JACOBS ENGINEERING GROUP INC. $190,000,000 4.27% Senior Notes, Series A, due May 8, 2025 $180,000,000 4.42% Senior Notes, Series B, due May 8, 2028 $130,000,000 4.52% Senior Notes, Series C, due May 8, 2030 NOTE PURCHASE AGREEMENT Dated March 12, 2018

Exhibit 4.1

EXECUTION VERSION

▇▇▇▇▇▇ ENGINEERING GROUP INC.

$500,000,000

$190,000,000 4.27% Senior Notes, Series A, due May 8, 2025

$180,000,000 4.42% Senior Notes, Series B, due May 8, 2028

$130,000,000 4.52% Senior Notes, Series C, due May 8, 2030

NOTE PURCHASE AGREEMENT

Dated March 12, 2018

TABLE OF CONTENTS


SECTION	HEADING	PAGE

SECTION 1.	AUTHORIZATION OF NOTES		1

Section 1.1.	Description of Notes		1
Section 1.2.	Additional Interest		1

SECTION 2.	SALE AND PURCHASE OF NOTES		2

SECTION 3.	CLOSING		2

SECTION 4.	CONDITIONS TO CLOSING		3

Section 4.1.	Representations and Warranties		3
Section 4.2.	Performance; No Default		3
Section 4.3.	Compliance Certificates		3
Section 4.4.	Opinions of Counsel		3
Section 4.5.	Purchase Permitted by Applicable Law, Etc.		4
Section 4.6.	Sale of Other Notes		4
Section 4.7.	Payment of Special Counsel Fees		4
Section 4.8.	Private Placement Number		4
Section 4.9.	Changes in Corporate Structure		4
Section 4.10.	Funding Instructions		4
Section 4.11.	Paying Agent		4
Section 4.12.	Proceedings and Documents		5

SECTION 5.	REPRESENTATIONS AND WARRANTIES OF THE COMPANY		5

Section 5.1.	Organization; Power and Authority		5
Section 5.2.	Authorization, Etc.		5
Section 5.3.	Disclosure		5
Section 5.4.	Organization and Ownership of Shares of Subsidiaries; Affiliates		6
Section 5.5.	Financial Statements; Material Liabilities		6
Section 5.6.	Compliance with Laws, Other Instruments, Etc.		7
Section 5.7.	Governmental Authorizations, Etc.		7
Section 5.8.	Litigation; Observance of Agreements, Statutes and Orders		7
Section 5.9.	Taxes		7
Section 5.10.	Title to Property; Leases		8
Section 5.11.	Licenses, Permits, Etc.		8
Section 5.12.	Compliance with Employee Benefit Plans		8
Section 5.13.	Private Offering by the Company		9
Section 5.14.	Use of Proceeds; Margin Regulations		10
Section 5.15.	Existing Indebtedness; Future Liens		10
Section 5.16.	Foreign Assets Control Regulations, Etc.		10

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Section 5.17.	Status under Certain Statutes	11
Section 5.18.	Environmental Matters	11

SECTION 6.	REPRESENTATIONS OF THE PURCHASERS	12

Section 6.1.	Purchase for Investment	12
Section 6.2.	Source of Funds	12

SECTION 7.	INFORMATION AS TO COMPANY	14

Section 7.1.	Financial and Business Information	14
Section 7.2.	Officer’s Certificate	16
Section 7.3.	Visitation	17
Section 7.4.	Electronic Delivery	18

SECTION 8.	PAYMENT AND PREPAYMENT OF THE NOTES	19

Section 8.1.	Maturity	19
Section 8.2.	Optional Prepayments with Make-Whole Amount	19
Section 8.3.	Allocation of Partial Prepayments	19
Section 8.4.	Maturity; Surrender, Etc.	19
Section 8.5.	Purchase of Notes	20
Section 8.6.	Make-Whole Amount	20
Section 8.7.	Change of Control	22
Section 8.8.	Prepayment in Connection with Asset Sales	22
Section 8.9.	Payments Due on Non-Business Days	23

SECTION 9.	AFFIRMATIVE COVENANTS	23

Section 9.1.	Compliance with Laws	23
Section 9.2.	Insurance	23
Section 9.3.	Maintenance of Properties	23
Section 9.4.	Payment of Taxes and Claims	24
Section 9.5.	Corporate Existence, Etc.	24
Section 9.6.	Books and Records	24
Section 9.7.	Subsidiary Guarantors	24

SECTION 10.	NEGATIVE COVENANTS	26

Section 10.1.	Transactions with Affiliates	26
Section 10.2.	Merger, Consolidation, Etc.	26
Section 10.3.	Line of Business	27
Section 10.4.	Economic Sanctions, Etc.	27
Section 10.5.	Liens	28
Section 10.6.	Dispositions	30
Section 10.7.	Financial Covenants	31

SECTION 11.	EVENTS OF DEFAULT	32

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SECTION 12.	REMEDIES ON DEFAULT, ETC.	35

Section 12.1.	Acceleration	35
Section 12.2.	Other Remedies	35
Section 12.3.	Rescission	36
Section 12.4.	No Waivers or Election of Remedies, Expenses, Etc.	36

SECTION 13.	REGISTRATION; EXCHANGE; SUBSTITUTION OF NOTES	36

Section 13.1.	Registration of Notes	36
Section 13.2.	Transfer and Exchange of Notes	36
Section 13.3.	Replacement of Notes	37

SECTION 14.	PAYMENTS ON NOTES	37

Section 14.1.	Place of Payment	37
Section 14.2.	Payment by Wire Transfer	38
Section 14.3.	FATCA Information	38

SECTION 15.	EXPENSES, ETC.	39

Section 15.1.	Transaction Expenses	39
Section 15.2.	Certain Taxes	40
Section 15.3.	Survival	40

SECTION 16.	SURVIVAL OF REPRESENTATIONS AND WARRANTIES; ENTIRE AGREEMENT	40

SECTION 17.	AMENDMENT AND WAIVER	40

Section 17.1.	Requirements	40
Section 17.2.	Solicitation of Holders of Notes	41
Section 17.3.	Binding Effect, Etc.	41
Section 17.4.	Notes Held by Company, Etc.	42

SECTION 18.	NOTICES	42

SECTION 19.	REPRODUCTION OF DOCUMENTS	42

SECTION 20.	CONFIDENTIAL INFORMATION	43

SECTION 21.	SUBSTITUTION OF PURCHASER	44

SECTION 22.	MISCELLANEOUS	44

Section 22.1.	Successors and Assigns	44
Section 22.2.	Accounting Terms	44
Section 22.3.	Severability	45
Section 22.4.	Construction, Etc.	45

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Section 22.5.	Counterparts	46
Section 22.6.	Paying Agent	46
Section 22.7.	Governing Law	46
Section 22.8.	Jurisdiction and Process; Waiver of Jury Trial	46

Signature

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EXHIBIT A	—	Defined Terms

EXHIBIT B-1	—	Form of 4.27% Senior Notes, Series A due May 8, 2025

EXHIBIT B-2	—	Form of 4.42% Senior Notes, Series B due May 8, 2028

EXHIBIT B-3	—	Form of 4.52% Senior Notes, Series C due May 8, 2030

SCHEDULE 4.4(a)	—	Form of Opinion of Special Counsel for the Company

SCHEDULE 4.4(b)	—	Form of Opinion of Special Counsel for the Purchasers

SCHEDULE 5.3	—	Disclosure Materials

SCHEDULE 5.4	—	Subsidiaries of the Company and Ownership of Subsidiary Stock

SCHEDULE 5.5	—	Financial Statements

SCHEDULE 5.8	—	Litigation

SCHEDULE 5.15	—	Existing Indebtedness

SCHEDULE 10.5	—	Existing Liens

PURCHASER SCHEDULE	—	Information Relating to Purchasers

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▇▇▇▇▇▇ ENGINEERING GROUP INC.

▇▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇

▇▇▇▇▇ ▇▇▇▇

▇▇▇▇▇▇, ▇▇ ▇▇▇▇▇

$190,000,000 4.27% Senior Notes, Series A, due May 8, 2025

$180,000,000 4.42% Senior Notes, Series B, due May 8, 2028

$130,000,000 4.52% Senior Notes, Series C, due May 8, 2030

March 12, 2018

TO EACH OF THE PURCHASERS LISTED IN

THE PURCHASER SCHEDULE HERETO:

Ladies and Gentlemen:

▇▇▇▇▇▇ ENGINEERING GROUP INC., a Delaware corporation (the “Company”), agrees with each of the Purchasers as follows:

SECTION 1. AUTHORIZATION OF NOTES.

Section 1.1. Description of Notes. The Company will authorize the issue and sale of (i) $190,000,000 aggregate principal amount of its 4.27% Senior Notes, Series A, due May 8, 2025 (the “Series A Notes”), (ii) $180,000,000 aggregate principal amount of its 4.42% Senior Notes, Series B, due May 8, 2028 (the “Series B Notes”) and (iii) $130,000,000 aggregate principal amount of its 4.52% Senior Notes, Series C, due May 8, 2030 (the “Series C Notes”, together with the Series A Notes and the Series B Notes, the “Notes”). The Notes shall be substantially in the form set out in Exhibit B-1, Exhibit B-2 and Exhibit B-3, respectively. Certain capitalized and other terms used in this Agreement are defined in Exhibit A and, for purposes of this Agreement, the rules of construction set forth in Section 22.4 shall govern.

Section 1.2. Additional Interest. (a) If, during an Elevated Compliance Period, the Consolidated Leverage Ratio of the Company exceeds as of the end of any fiscal quarter (such date, the “Calculation Date”) (i) on or prior to December 28, 2018, 3.25 to 1.00 or (ii) as of the end of any fiscal quarter ending after December 28, 2018, 3.00 to 1.00 (as applicable, the “Elevated Leverage”), as evidenced by an Officer’s Certificate delivered pursuant to Section 7.2(a), the interest rate payable on each series of Notes shall be increased, as of the date set forth in this Section 1.2, by 0.75% per annum (the “Incremental Interest”). The Incremental Interest shall become effective on the first Business Day of the fiscal quarter immediately following the Calculation Date in which the certificate delivered pursuant to Section 7.2 demonstrated Elevated Leverage as of such Calculation Date (provided, however, that if such certificate is not delivered when due, then the Incremental Interest shall apply as of the first Business Day of the fiscal quarter occurring during an Elevated Compliance Period after the date in which such


▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

certificate was required to have been due and remain in effect until the date in which such certificate is delivered; provided that, if such certificate shall demonstrate that there was no Elevated Leverage as of the end of such fiscal quarter for which such certificate has been delivered, the Incremental Interest shall not apply) and shall cease to be effective on the earlier of (i) expiration of such Elevated Compliance Period and (ii) the first Business Day of the fiscal quarter immediately following the Calculation Date for which a certificate is delivered pursuant to Section 7.2 demonstrating that the Consolidated Leverage Ratio as of such Calculation Date is not more than (x) with respect to any date on or prior to December 28, 2018, 3.25 to 1.00 or (y) with respect to any date after December 28, 2018, 3.00 to 1.00. Any Incremental Interest that is due hereunder shall be payable to each holder of a Note on the same dates that any other interest payment thereunder is due. The Company will provide, or cause the Paying Agent to provide, holders of the Notes calculations demonstrating the amount of Incremental Interest to be paid for each Note in conjunction with the payment thereof.

(b) For avoidance of doubt, no Incremental Interest will be used in calculating any Make-Whole Amount. Furthermore, payment of any Incremental Interest due is not a waiver of any Default or Event of Default hereunder.

SECTION 2. SALE AND PURCHASE OF NOTES.

Subject to the terms and conditions of this Agreement, the Company will issue and sell to each Purchaser and each Purchaser will purchase from the Company, at the Closing provided for in Section 3, Notes in the principal amount specified opposite such Purchaser’s name in the Purchaser Schedule at the purchase price of 100% of the principal amount thereof. The Purchasers’ obligations hereunder are several and not joint obligations and no Purchaser shall have any liability to any Person for the performance or non-performance of any obligation by any other Purchaser hereunder.

SECTION 3. CLOSING.

This Agreement shall be executed and delivered on March 12, 2018. The sale and purchase of the Notes to be purchased by each Purchaser shall occur at the offices of ▇▇▇▇▇▇▇ and ▇▇▇▇▇▇ LLP, ▇▇▇ ▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇▇▇, ▇▇▇▇▇▇▇, ▇▇▇▇▇▇▇▇ ▇▇▇▇▇ at 8:00 am Chicago time, at a closing (the “Closing”) on May 8, 2018 or on such other Business Day thereafter on or prior to May 11, 2018 as may be agreed upon by the Company and the Purchasers. At the Closing the Company will deliver to each Purchaser the Notes to be purchased by such Purchaser in the form of a single Note (or such greater number of Notes in denominations of at least $100,000 as such Purchaser may request) dated the date of the Closing and registered in such Purchaser’s name (or in the name of its nominee), against delivery by such Purchaser to the Company or its order of immediately available funds in the amount of the purchase price therefor by wire transfer of immediately available funds for the account of the Company to the accounts designated by the Company in writing (or designated by the Paying Agent in writing at the direction of the Company) to the Purchasers in accordance with Section 4.10 hereof. If at the Closing the Company shall fail to tender such Notes to any Purchaser as provided above in this Section 3, or any of the conditions specified in Section 4 shall not have been fulfilled to such Purchaser’s satisfaction, such Purchaser shall, at its election, be relieved of all further obligations under this Agreement, without thereby waiving any rights such Purchaser may have by reason of such failure by the Company to tender such Notes or any of the conditions specified in Section 4 not having been fulfilled to such Purchaser’s satisfaction.

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▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

SECTION 4. CONDITIONS TO CLOSING.

Each Purchaser’s obligation to purchase and pay for the Notes to be sold to such Purchaser at the Closing is subject to the fulfillment to such Purchaser’s satisfaction, prior to or at the Closing, of the following conditions:

Section 4.1. Representations and Warranties. The representations and warranties of the Company in this Agreement shall be correct when made and at the Closing provided that the Company shall be permitted to make modifications to Schedule 5.4, 5.5, 5.8, 5.15 and 10.5 after the date of this Agreement but prior to the Closing, so long as (a) the Company shall have provided such schedule to each Purchaser at least five (5) Business Days prior to the Closing, (b) any such modifications are in all respects reasonably satisfactory to each Purchaser and (c) such Schedule is included in the Officer’s Certificate provided in accordance with Section 4.3(a) for the Closing.

Section 4.2. Performance; No Default. The Company shall have performed and complied with all agreements and conditions contained in this Agreement required to be performed or complied with by it prior to or at the Closing. Before and after giving effect to the issue and sale of the Notes (and the application of the proceeds thereof as contemplated by Section 5.14), no Default or Event of Default shall have occurred and be continuing. Neither the Company nor any Subsidiary shall have entered into any transaction since the date of the Memorandum that would have been prohibited by Section 10 had such Section applied since such date.

Section 4.3. Compliance Certificates.

(a) Officer’s Certificate. The Company shall have delivered to such Purchaser an Officer’s Certificate, dated the date of the Closing, certifying that the conditions specified in Sections 4.1, 4.2 and 4.9 have been fulfilled.

(b) Secretary’s Certificate. The Company shall have delivered to such Purchaser a certificate of its Secretary or Assistant Secretary, dated the date of the Closing, certifying as to (i) the resolutions attached thereto and other corporate proceedings relating to the authorization, execution and delivery of the Notes and this Agreement and (ii) the Company’s organizational documents as then in effect.

Section 4.4. Opinions of Counsel. Such Purchaser shall have received opinions in form and substance satisfactory to such Purchaser, dated the date of the Closing (a) from ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇, General Counsel to the Company covering the matters set forth in paragraph 6(a) and 6(b) of Schedule 4.4(a) and covering such other matters incident to the transactions contemplated hereby as such Purchasers or its counsel may reasonably request (and the Company hereby instructs its counsel to deliver such opinion to the Purchasers) (b) from Jenner & Block LLP, counsel for the Company, covering the remaining matters set forth in Schedule 4.4(a) and covering such other matters incident to the transactions contemplated hereby as such Purchaser

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▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

or its counsel may reasonably request (and the Company hereby instructs its counsel to deliver such opinion to the Purchasers) and (c) from ▇▇▇▇▇▇▇ and ▇▇▇▇▇▇ LLP, the Purchasers’ special counsel in connection with such transactions, substantially in the form set forth in Schedule 4.4(b) and covering such other matters incident to such transactions as such Purchaser may reasonably request.

Section 4.5. Purchase Permitted by Applicable Law, Etc. On the date of the Closing such Purchaser’s purchase of Notes shall (a) be permitted by the laws and regulations of each jurisdiction to which such Purchaser is subject, without recourse to provisions (such as section 1405(a)(8) of the New York Insurance Law) permitting limited investments by insurance companies without restriction as to the character of the particular investment, (b) not violate any applicable law or regulation (including Regulation T, U or X of the Board of Governors of the Federal Reserve System) and (c) not subject such Purchaser to any tax, penalty or liability under or pursuant to any applicable law or regulation, which law or regulation was not in effect on the date hereof. If requested by such Purchaser, such Purchaser shall have received an Officer’s Certificate certifying as to such matters of fact as such Purchaser may reasonably specify to enable such Purchaser to determine whether such purchase is so permitted.

Section 4.6. Sale of Other Notes. Contemporaneously with the Closing the Company shall sell to each other Purchaser and each other Purchaser shall purchase the Notes to be purchased by it at the Closing as specified in the Purchaser Schedule.

Section 4.7. Payment of Special Counsel Fees. Without limiting Section 15.1, the Company shall have paid on or before the Closing the reasonable fees, charges and out-of-pocket disbursements of the Purchasers’ special counsel referred to in Section 4.4 to the extent reflected in a statement of such counsel rendered to the Company at least three Business Days prior to the Closing.

Section 4.8. Private Placement Number. A Private Placement Number issued by Standard & Poor’s CUSIP Service Bureau (in cooperation with the SVO) shall have been obtained for each series of Notes.

Section 4.9. Changes in Corporate Structure. The Company shall not have changed its jurisdiction of incorporation or organization, as applicable, or, other than pursuant to the CH2M Acquisition Agreement, been a party to any merger or consolidation or succeeded to all or any substantial part of the liabilities of any other entity, at any time following the date of the most recent financial statements referred to in Schedule 5.5.

Section 4.10. Funding Instructions. At least three Business Days prior to the date of the Closing, each Purchaser shall have received written instructions signed by a Responsible Officer on letterhead of the Company confirming the information specified in Section 3 including (i) the name and address of the transferee bank, (ii) such transferee bank’s ABA number and (iii) the account name and number into which the purchase price for the Notes is to be deposited.

Section 4.11. Paying Agent . To the extent the Company has designated a Paying Agent prior to the date of Closing, the Company will deliver a notice specifying the Paying Agent, the principal office thereof and any other administrative details reasonably requested by the holders of Notes.

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▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

Section 4.12. Proceedings and Documents. All corporate and other proceedings in connection with the transactions contemplated by this Agreement and all documents and instruments incident to such transactions shall be reasonably satisfactory to such Purchaser and its special counsel, and such Purchaser and its special counsel shall have received all such counterpart originals or certified or other copies of such documents as such Purchaser or such special counsel may reasonably request.

SECTION 5. REPRESENTATIONS AND WARRANTIES OF THE COMPANY.

The Company represents and warrants to each Purchaser as of the date of this Agreement and at Closing that:

Section 5.1. Organization; Power and Authority. The Company is a corporation duly organized, validly existing and in good standing under the laws of its jurisdiction of incorporation, and is duly qualified as a foreign corporation and is in good standing in each jurisdiction in which such qualification is required by law, other than those jurisdictions as to which the failure to be so qualified or in good standing could not, individually or in the aggregate, reasonably be expected to have a Material Adverse Effect. The Company (a) has the corporate power and authority to own or hold under lease the properties it purports to own or hold under lease, (b) to transact the business it transacts and proposes to transact, (c) to execute and deliver this Agreement and (d) the Notes and to perform the provisions hereof and thereof, except, in the case of clauses (a) and (b), to the extent it could not reasonably be expected to have a Material Adverse Effect.

Section 5.2. Authorization, Etc. This Agreement and the Notes have been duly authorized by all necessary corporate action on the part of the Company, and this Agreement constitutes, and upon execution and delivery thereof each Note will constitute, a legal, valid and binding obligation of the Company enforceable against the Company in accordance with its terms, except as such enforceability may be limited by (i) applicable bankruptcy, insolvency, reorganization, moratorium or other similar laws affecting the enforcement of creditors’ rights generally and (ii) general principles of equity (regardless of whether such enforceability is considered in a proceeding in equity or at law).

Section 5.3. Disclosure. The Company, through its agent, ▇▇▇▇▇ Fargo Securities LLC and U.S. Bancorp Investments, Inc., has delivered to each Purchaser a copy of a Private Placement Memorandum, dated January 9, 2018 (the “Memorandum”), relating to the transactions contemplated hereby. The Memorandum, as supplemented in writing, fairly describes, in all material respects, the general nature of the business and principal properties of the Company and its Subsidiaries. This Agreement, the Memorandum, the financial statements listed in Schedule 5.5 and the documents, certificates or other writings delivered to the Purchasers by or on behalf of the Company prior to February 9, 2018 in connection with the transactions contemplated hereby and identified in Schedule 5.3 (this Agreement, the Memorandum and such documents, certificates or other writings and such financial statements delivered to each Purchaser being referred to, collectively, as the “Disclosure Documents”),

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▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

taken as a whole, do not contain any untrue statement of a material fact or omit to state any material fact necessary to make the statements therein not misleading in light of the circumstances under which they were made; provided that, with respect to projected financial information, the Company represents that such information was prepared in good faith based upon assumptions believed to be reasonable at the time such information was prepared. Except as disclosed in the Disclosure Documents, since September 29, 2017, there has been no event or circumstance, individually or in the aggregate, that could reasonably be expected to have a Material Adverse Effect.

Section 5.4. Organization and Ownership of Shares of Subsidiaries; Affiliates. (a) Schedule 5.4 contains (except as noted therein) complete and correct lists of (i) the Company’s Material Subsidiaries, showing, as to each Material Subsidiary, the name thereof, the jurisdiction of its organization, the percentage of shares of each class of its capital stock or similar equity interests outstanding owned by the Company and each other Material Subsidiary and whether such Subsidiary is a Subsidiary Guarantor as of Closing, and (iii) the Company’s directors and senior officers.

(b) All of the outstanding shares of capital stock or similar equity interests of each Material Subsidiary shown in Schedule 5.4 as being owned by the Company and its Subsidiaries have been validly issued, are fully paid and non-assessable and are owned by the Company or another Material Subsidiary free and clear of any Lien that is prohibited by this Agreement.

(c) Each Subsidiary is a corporation or other legal entity duly organized, validly existing and, where applicable, in good standing under the laws of its jurisdiction of organization, and is duly qualified as a foreign corporation or other legal entity and, where applicable, is in good standing in each jurisdiction in which such qualification is required by law, other than those jurisdictions as to which the failure to be so qualified or in good standing could not, individually or in the aggregate, reasonably be expected to have a Material Adverse Effect. Each such Subsidiary has the corporate or other power and authority to own or hold under lease the properties it purports to own or hold under lease and to transact the business it transacts and proposes to transact except to the extent such lack of power or authority could not, individually or in the aggregate, reasonably be expected to have a Material Adverse Effect.

(d) No Subsidiary is subject to any legal, regulatory, contractual or other restriction (other than the agreements listed on Schedule 5.4 and customary limitations imposed by corporate law or similar statutes) restricting the ability of such Subsidiary to pay dividends out of profits or make any other similar distributions of profits to the Company or any of its Subsidiaries that owns outstanding shares of capital stock or similar equity interests of such Subsidiary.

Section 5.5. Financial Statements; Material Liabilities. The Company has delivered to each Purchaser copies of the financial statements of the Company and its Subsidiaries listed on Schedule 5.5. All of such financial statements (including in each case the related schedules and notes) fairly present in all material respects the consolidated financial position of the Company and its Subsidiaries as of the respective dates specified in such Schedule and the consolidated results of their operations and cash flows for the respective periods so specified and have been prepared in accordance with GAAP consistently applied throughout the periods involved except as set forth in the statements thereto (subject, in the case of any interim financial statements, to normal year-end adjustments). The Company and its Subsidiaries do not have any Material liabilities that are not disclosed in the Disclosure Documents.

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▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

Section 5.6. Compliance with Laws, Other Instruments, Etc. The execution, delivery and performance by the Company of this Agreement and the Notes will not (i) contravene, result in any breach of, or constitute a default under, or result in the creation of any Lien in respect of any material property of the Company or any Subsidiary under, any material indenture, mortgage, deed of trust, loan, purchase or credit agreement, lease, corporate charter, regulations or by-laws, shareholders agreement or any other agreement or instrument to which the Company or any Subsidiary is bound or by which the Company or any Subsidiary is a party, (ii) conflict with or result in a breach of any of the terms, conditions or provisions of any material order, judgment, decree or ruling of any court, arbitrator or Governmental Authority applicable to the Company or any Subsidiary or (iii) violate any material provision of any statute or other rule or regulation of any Governmental Authority applicable to the Company or any Subsidiary.

Section 5.7. Governmental Authorizations, Etc. No consent, approval or authorization of, or registration, filing or declaration with, any Governmental Authority (other than the filing of a Form 8-K with the SEC, and appropriate filings with the Defense Security Service of the U.S. Department of Defense) is required to be made by the Company in connection with the execution, delivery or performance by the Company of this Agreement or the Notes.

Section 5.8. Litigation; Observance of Agreements, Statutes and Orders. (a) Except as disclosed on Schedule 5.8, there are no actions, suits, investigations or proceedings pending or, to the best knowledge of the Company, threatened against or affecting the Company or any Subsidiary or any property of the Company or any Subsidiary in any court or before any arbitrator of any kind or before or by any Governmental Authority that could, individually or in the aggregate, reasonably be expected to have a Material Adverse Effect.

(b) Neither the Company nor any Subsidiary is (i) in default under any agreement or instrument to which it is a party or by which it is bound, (ii) in violation of any order, judgment, decree or ruling of any court, any arbitrator of any kind or any Governmental Authority or (iii) in violation of any applicable law, ordinance, rule or regulation of any Governmental Authority (including Environmental Laws, the USA PATRIOT Act or any of the other laws and regulations that are referred to in Section 5.16), which default or violation could, individually or in the aggregate, reasonably be expected to have a Material Adverse Effect.

Section 5.9. Taxes. The Company and its Subsidiaries have filed all material Tax returns that are required to have been filed in any jurisdiction, and have paid all Taxes shown to be due and payable on such returns and all Taxes levied upon them or their properties, assets, income or franchises, to the extent such taxes and assessments have become due and payable and before they have become delinquent, except for any Taxes (i) the amount of which, individually or in the aggregate, is not Material or (ii) the amount, applicability or validity of which is currently being contested in good faith by appropriate proceedings and with respect to which the Company or a Subsidiary, as the case may be, has established adequate reserves in accordance with GAAP. The Company knows of no basis for any other tax or assessment that could, individually or in the aggregate, reasonably be expected to have a Material Adverse Effect. The charges, accruals and reserves on the books of the Company and its Subsidiaries in respect of

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▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

U.S. federal, state or other taxes for all fiscal periods are adequate in accordance with GAAP. The U.S. federal income tax liabilities have been finally determined (whether by reason of completed audits or the statute of limitations having run) for all fiscal years up to and including the fiscal year ended December 31, 2008 for CH2M and its Subsidiaries and for all fiscal years up to and including the fiscal year ended September 26, 2014 for the Company and its Subsidiaries (other than CH2M and its Subsidiaries).

Section 5.10. Title to Property; Leases. The Company and its Subsidiaries have good and sufficient title (except for such defects in title as could not, individually or in the aggregate, reasonably be expected to have a Material Adverse Effect) to their respective properties that individually or in the aggregate are Material, including all such properties reflected in the most recent audited balance sheet referred to in Section 5.5 or purported to have been acquired by the Company or any Subsidiary after such date (except as sold or otherwise disposed of in the ordinary course of business), in each case free and clear of Liens prohibited by this Agreement. All leases that individually or in the aggregate are Material are valid and subsisting and are in full force and effect except as could not, individually or in the aggregate, reasonably be expected to have a Material Adverse Effect.

Section 5.11. Licenses, Permits, Etc. (a) Except as could not reasonably be expected to have a Material Adverse Effect, the Company and its Subsidiaries own or possess all licenses, permits, franchises, authorizations, patents, copyrights, proprietary software, service marks, trademarks and trade names, or rights thereto, that individually or in the aggregate are Material, without known conflict with the rights of others.

(b) To the best knowledge of the Company, no product or service of the Company or any of its Subsidiaries infringes in any material respect any license, permit, franchise, authorization, patent, copyright, proprietary software, service ▇▇▇▇, trademark, trade name or other right owned by any other Person.

(c) To the best knowledge of the Company, there is no Material violation by any Person of any right of the Company or any of its Subsidiaries with respect to any license, permit, franchise, authorization, patent, copyright, proprietary software, service ▇▇▇▇, trademark, trade name or other right owned or used by the Company or any of its Subsidiaries.

Section 5.12. Compliance with Employee Benefit Plans. (a) The Company and each ERISA Affiliate have operated and administered each Plan in compliance with all applicable laws except for such instances of noncompliance as have not resulted in and could not, individually or in the aggregate, reasonably be expected to result in a Material Adverse Effect. Neither the Company nor any ERISA Affiliate has incurred any liability pursuant to Title I or IV of ERISA or the penalty or excise tax provisions of the Code relating to employee benefit plans (as defined in section 3 of ERISA), and no event, transaction or condition has occurred or exists that could, individually or in the aggregate, reasonably be expected to result in the incurrence of any such liability by the Company or any ERISA Affiliate, or in the imposition of any Lien on any of the rights, properties or assets of the Company or any ERISA Affiliate, in either case pursuant to Title I or IV of ERISA or to section 430(k) of the Code or to any such penalty or excise tax provisions under the Code or federal law or section 4068 of ERISA or by the granting of a security interest in connection with the amendment of a Plan, other than such liabilities or Liens as would not be individually or in the aggregate Material.

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▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

(b) The present value of the aggregate benefit liabilities under each of the Plans (limited to Plans subject to Title IV of ERISA other than Multiemployer Plans), determined as of the beginning of such Plan’s most recently ended plan year on the basis of the actuarial assumptions specified for funding purposes in such Plan’s most recent actuarial valuation report, did not exceed the aggregate current value of the assets of such Plan allocable to such benefit liabilities by more than $4,519,927 in the case of any single such Plan and by more than $8,760,949 in the aggregate for all such Plans. The present value of the accrued benefit liabilities (whether or not vested) under each Non-U.S. Plan that is funded, determined as of the start of the Company’s most recently ended fiscal year on the basis of reasonable actuarial assumptions, did not exceed the current value of the assets of such Non-U.S. Plan allocable to such benefit liabilities by more than $256,061,629. The term “benefit liabilities” has the meaning specified in section 4001 of ERISA and the terms “current value” and “present value” have the meaning specified in section 3 of ERISA.

(c) The Company and its ERISA Affiliates have not incurred (i) withdrawal liabilities (and are not subject to contingent withdrawal liabilities) under section 4201 or 4204 of ERISA in respect of Multiemployer Plans that individually or in the aggregate are Material or (ii) any obligation in connection with the termination of or withdrawal from any Non-U.S. Plan that individually or in the aggregate are Material.

(d) The expected postretirement benefit obligation (determined as of the last day of the Company’s most recently ended fiscal year in accordance with Financial Accounting Standards Board Accounting Standards Codification Topic 715-60, without regard to liabilities attributable to continuation coverage mandated by section 4980B of the Code) of the Company and its Subsidiaries is not Material.

(e) The execution and delivery of this Agreement and the issuance and sale of the Notes hereunder will not involve any transaction that is subject to the prohibitions of section 406 of ERISA or in connection with which a tax could be imposed pursuant to section 4975(c)(1)(A)-(D) of the Code. The representation by the Company to each Purchaser in the first sentence of this Section 5.12(e) is made in reliance upon and subject to the accuracy of such Purchaser’s representation in Section 6.2 as to the sources of the funds to be used to pay the purchase price of the Notes to be purchased by such Purchaser.

(f) All Non-U.S. Plans have been established, operated, administered and maintained in compliance with all laws, regulations and orders applicable thereto, except where failure so to comply could not be reasonably expected to have a Material Adverse Effect. All premiums, contributions and any other amounts required by applicable Non-U.S. Plan documents or applicable laws to be paid or accrued by the Company and its Subsidiaries have been paid or accrued as required, except where failure so to pay or accrue could not be reasonably expected to have a Material Adverse Effect.

Section 5.13. Private Offering by the Company. Neither the Company nor anyone acting on its behalf has offered the Notes or any similar Securities for sale to, or solicited any offer to buy the Notes or any similar Securities from, or otherwise approached or negotiated in respect thereof with, more than 70 other Institutional Investors (including the Purchasers), each of which has been offered the Notes at a private sale for investment. Neither the Company nor anyone acting on its behalf has taken, or will take, any action that would subject the issuance or sale of the Notes to the registration requirements of section 5 of the Securities Act or to the registration requirements of any Securities or blue sky laws of any applicable jurisdiction.

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▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

Section 5.14. Use of Proceeds; Margin Regulations. The Company will apply the proceeds of the sale of the Notes hereunder as set forth in Section I.D. of the Memorandum. No part of the proceeds from the sale of the Notes hereunder will be used, directly or indirectly, for the purpose of buying or carrying any margin stock within the meaning of Regulation U of the Board of Governors of the Federal Reserve System (12 CFR 221), or for the purpose of buying or carrying or trading in any Securities under such circumstances as to involve the Company in a violation of Regulation X of said Board (12 CFR 224) or to involve any broker or dealer in a violation of Regulation T of said Board (12 CFR 220). Margin stock does not constitute more than 5% of the value of the consolidated assets of the Company and its Subsidiaries and the Company does not have any present intention that margin stock will constitute more than 5% of the value of such assets. As used in this Section, the terms “margin stock” and “purpose of buying or carrying” shall have the meanings assigned to them in said Regulation U.

Section 5.15. Existing Indebtedness; Future Liens. (a) Except as described therein, Schedule 5.15 sets forth a complete and correct list of all outstanding Indebtedness of the Company and its Subsidiaries in excess of $200,000,000 as of December 29, 2017 (including descriptions of the obligors and obligees, principal amounts outstanding, any collateral therefor and any Guarantee thereof), since which date there has been no Material change in the amounts, interest rates, sinking funds, installment payments or maturities of the Indebtedness of the Company or its Subsidiaries. Neither the Company nor any Subsidiary is in default and no waiver of default is currently in effect, in the payment of any principal or interest on any Indebtedness of the Company or such Subsidiary in excess of $200,000,000 and no event or condition exists with respect to any Indebtedness of the Company or any Subsidiary that would permit (or that with notice or the lapse of time, or both, would permit) one or more Persons to cause such Indebtedness to become due and payable before its stated maturity or before its regularly scheduled dates of payment.

(b) Except as disclosed in Schedule 5.15, neither the Company nor any Subsidiary has agreed or consented to cause or permit any of its property, whether now owned or hereafter acquired, to be subject to a Lien that secures Indebtedness in excess of $200,000,000 or to cause or permit in the future (upon the happening of a contingency or otherwise) any of its property, whether now owned or hereafter acquired, to be subject to a Lien that secures Indebtedness.

(c) Neither the Company nor any Subsidiary is a party to, or otherwise subject to any provision contained in, any instrument evidencing Indebtedness of the Company or such Subsidiary in excess of $200,000,000, any agreement relating thereto or any other agreement (including its charter or any other organizational document) which limits the amount of, or otherwise imposes restrictions on the incurring of, Indebtedness of the Company, except as disclosed in Schedule 5.15.

Section 5.16. Foreign Assets Control Regulations, Etc. (a) Neither the Company nor any Controlled Entity (i) is a Blocked Person, (ii) has been notified that its name appears or may in the future appear on a State Sanctions List or (iii) is a target of sanctions that have been imposed by the United Nations or the European Union.

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▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

(b) Neither the Company nor any Controlled Entity (i) has violated, been found in violation of, or been charged or convicted under, any applicable U.S. Economic Sanctions Laws, Anti-Money Laundering Laws or Anti-Corruption Laws in any material respect or (ii) to the Company’s knowledge, is under investigation by any Governmental Authority for possible material violation of any U.S. Economic Sanctions Laws, Anti-Money Laundering Laws or Anti-Corruption Laws.

(i) constitutes or will constitute funds obtained on behalf of any Blocked Person or will otherwise be used by the Company or any Controlled Entity, directly or indirectly, (A) in connection with any investment in, or any transactions or dealings with, any Blocked Person, (B) for any purpose that would cause any Purchaser to be in violation of any U.S. Economic Sanctions Laws or (C) otherwise in violation of any U.S. Economic Sanctions Laws;

(ii) will be used, directly or indirectly, in violation of, or cause any Purchaser to be in violation of, any applicable Anti-Money Laundering Laws; or

(iii) will be used, directly or indirectly, for the purpose of making any improper payments, including bribes, to any Governmental Official or commercial counterparty in order to obtain, retain or direct business or obtain any improper advantage, in each case which would be in violation of, or cause any Purchaser to be in violation of, any applicable Anti-Corruption Laws.

(d) The Company has established procedures and controls which it reasonably believes are adequate (and otherwise comply with applicable law) to ensure that the Company and each Controlled Entity is and will continue to be in compliance with all applicable U.S. Economic Sanctions Laws, Anti-Money Laundering Laws and Anti-Corruption Laws.

Section 5.17. Status under Certain Statutes. Neither the Company nor any Subsidiary is subject to regulation under the Investment Company Act of 1940, the Public Utility Holding Company Act of 2005, the ICC Termination Act of 1995, or the Federal Power Act.

Section 5.18. Environmental Matters. (a) Neither the Company nor any Subsidiary has knowledge of any claim or has received any notice of any claim and no proceeding has been instituted asserting any claim against the Company or any of its Subsidiaries or any of their respective real properties or other assets now or formerly owned, leased or operated by any of them, alleging any damage to the environment or violation of any Environmental Laws, except, in each case, such as could not reasonably be expected to result in a Material Adverse Effect.

(b) Neither the Company nor any Subsidiary has knowledge of any facts which would give rise to any claim, public or private, of violation of Environmental Laws or damage to the environment emanating from, occurring on or in any way related to real properties now or formerly owned, leased or operated by any of them or to other assets or their use, except, in each case, such as could not, individually or in the aggregate, reasonably be expected to result in a Material Adverse Effect.

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▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

(c) Neither the Company nor any Subsidiary has stored any Hazardous Materials on real properties now or formerly owned, leased or operated by any of them in a manner which is contrary to any Environmental Law that could, individually or in the aggregate, reasonably be expected to result in a Material Adverse Effect.

(d) Neither the Company nor any Subsidiary has disposed of any Hazardous Materials in a manner which is contrary to any Environmental Law that could, individually or in the aggregate, reasonably be expected to result in a Material Adverse Effect.

(e) All buildings on all real properties now owned, leased or operated by the Company or any Subsidiary are in compliance with applicable Environmental Laws, except where failure to comply could not, individually or in the aggregate, reasonably be expected to result in a Material Adverse Effect.

SECTION 6. REPRESENTATIONS OF THE PURCHASERS.

Section 6.1. Purchase for Investment. Each Purchaser severally represents that it is an “accredited investor” within the meaning of subparagraph (a)(1), (2), (3) or (7) of Rule 501 of the Securities Act (Regulation D) acting for its own account or as a fiduciary or agent for others who are also “accredited investors.” Each Purchaser severally represents that it is purchasing the Notes for its own account or for one or more separate accounts maintained by such Purchaser or for the account of one or more pension or trust funds and not with a view to the distribution thereof, provided that the disposition of such Purchaser’s or their property shall at all times be within such Purchaser’s or their control. Each Purchaser understands that the Notes have not been registered under the Securities Act and may be resold only if registered pursuant to the provisions of the Securities Act or if an exemption from registration is available, except under circumstances where neither such registration nor such an exemption is required by law, and that the Company is not required to register the Notes. Each Purchaser further represents that such Purchaser has had the opportunity to ask questions of the Company and received answers concerning the terms and conditions of the sale of the Notes.

Section 6.2. Source of Funds. Each Purchaser severally represents that at least one of the following statements is an accurate representation as to each source of funds (a “Source”) to be used by such Purchaser to pay the purchase price of the Notes to be purchased by such Purchaser hereunder:

(a) the Source is an “insurance company general account” (as the term is defined in the United States Department of Labor’s Prohibited Transaction Exemption (“PTE”) 95-60) in respect of which the reserves and liabilities (as defined by the annual statement for life insurance companies approved by the NAIC (the “NAIC Annual Statement”)) for the general account contract(s) held by or on behalf of any employee benefit plan together with the amount of the reserves and liabilities for the general account contract(s) held by or on behalf of any other employee benefit plans maintained by the same employer (or affiliate thereof as defined in PTE 95-60) or by the same employee organization in the general account do not exceed 10% of the total reserves and liabilities of the general account (exclusive of separate account liabilities) plus surplus as set forth in the NAIC Annual Statement filed with such Purchaser’s state of domicile; or

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▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

(b) the Source is a separate account that is maintained solely in connection with such Purchaser’s fixed contractual obligations under which the amounts payable, or credited, to any employee benefit plan (or its related trust) that has any interest in such separate account (or to any participant or beneficiary of such plan (including any annuitant)) are not affected in any manner by the investment performance of the separate account; or

(c) the Source is either (i) an insurance company pooled separate account, within the meaning of PTE 90-1 or (ii) a bank collective investment fund, within the meaning of the PTE 91-38 and, except as disclosed by such Purchaser to the Company in writing pursuant to this clause (c), no employee benefit plan or group of plans maintained by the same employer or employee organization beneficially owns more than 10% of all assets allocated to such pooled separate account or collective investment fund; or

(d) the Source constitutes assets of an “investment fund” (within the meaning of Part VI of PTE 84-14 (the “QPAM Exemption”)) managed by a “qualified professional asset manager” or “QPAM” (within the meaning of Part VI of the QPAM Exemption), no employee benefit plan’s assets that are managed by the QPAM in such investment fund, when combined with the assets of all other employee benefit plans established or maintained by the same employer or by an affiliate (within the meaning of Part VI(c)(1) of the QPAM Exemption) of such employer or by the same employee organization and managed by such QPAM, represent more than 20% of the total client assets managed by such QPAM, the conditions of Part I(c) and (g) of the QPAM Exemption are satisfied, neither the QPAM nor a person controlling or controlled by the QPAM maintains an ownership interest in the Company that would cause the QPAM and the Company to be “related” within the meaning of Part VI(h) of the QPAM Exemption and (i) the identity of such QPAM and (ii) the names of any employee benefit plans whose assets in the investment fund, when combined with the assets of all other employee benefit plans established or maintained by the same employer or by an affiliate (within the meaning of Part VI(c)(1) of the QPAM Exemption) of such employer or by the same employee organization, represent 10% or more of the assets of such investment fund, have been disclosed to the Company in writing pursuant to this clause (d);or

(e) the Source constitutes assets of a “plan(s)” (within the meaning of Part IV(h) of PTE 96-23 (the “INHAM Exemption”)) managed by an “in-house asset manager” or “INHAM” (within the meaning of Part IV(a) of the INHAM Exemption), the conditions of Part I(a), (g) and (h) of the INHAM Exemption are satisfied, neither the INHAM nor a person controlling or controlled by the INHAM (applying the definition of “control” in Part IV(d)(3) of the INHAM Exemption) owns a 10% or more interest in the Company and (i) the identity of such INHAM and (ii) the name(s) of the employee benefit plan(s) whose assets constitute the Source have been disclosed to the Company in writing pursuant to this clause (e); or

(f) the Source is a governmental plan; or

(g) the Source is one or more employee benefit plans, or a separate account or trust fund comprised of one or more employee benefit plans, each of which has been identified to the Company in writing pursuant to this clause (g); or

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▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

(h) the Source does not include assets of any employee benefit plan, other than a plan exempt from the coverage of ERISA.

As used in this Section 6.2, the terms “employee benefit plan,” “governmental plan,” and “separate account” shall have the respective meanings assigned to such terms in section 3 of ERISA.

SECTION 7. INFORMATION AS TO COMPANY

Section 7.1. Financial and Business Information. The Company shall deliver, or shall cause the Paying Agent to deliver, to each holder of a Note that is an Institutional Investor:

(a) Quarterly Statements — within 55 days (or such shorter period as is the earlier of (x) 15 days greater than the period applicable to the filing of the Company’s Quarterly Report on Form 10-Q (the “Form 10-Q”) with the SEC regardless of whether the Company is subject to the filing requirements thereof and (y) the date by which such financial statements are required to be delivered under any Material Credit Facility or the date on which such corresponding financial statements are delivered under any Material Credit Facility if such delivery occurs earlier than such required delivery date) after the end of each quarterly fiscal period in each fiscal year of the Company (other than the last quarterly fiscal period of each such fiscal year), duplicate copies of,

(i) a consolidated balance sheet of the Company and its Subsidiaries as at the end of such quarter, and

(ii) consolidated statements of earnings and cash flows of the Company and its Subsidiaries, for such quarter and (in the case of the second and third quarters) for the portion of the fiscal year ending with such quarter, setting forth in each case in comparative form the figures for the corresponding periods in the previous fiscal year, all in reasonable detail, prepared in accordance with GAAP applicable to quarterly financial statements generally, and certified by a Senior Financial Officer as fairly presenting, in all material respects, the financial position of the companies being reported on and their results of operations and cash flows, subject to changes resulting from year-end adjustments;

(b) Annual Statements — within 105 days (or such shorter period as is the earlier of (x) 15 days greater than the period applicable to the filing of the Company’s Annual Report on Form 10-K (the “Form 10-K”) with the SEC regardless of whether the Company is subject to the filing requirements thereof and (y) the date by which such financial statements are required to be delivered under any Material Credit Facility or the date on which such corresponding financial statements are delivered under any Material Credit Facility if such delivery occurs earlier than such required delivery date) after the end of each fiscal year of the Company, duplicate copies of

(i) a consolidated balance sheet of the Company and its Subsidiaries as at the end of such year, and

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▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

(ii) consolidated statements of earnings, shareholders’ equity and cash flows of the Company and its Subsidiaries for such year,

setting forth in each case in comparative form the figures for the previous fiscal year, all in reasonable detail, prepared in accordance with GAAP, and accompanied by an opinion thereon (without a “going concern” or similar qualification or exception, other than with respect to, or as a result of, an upcoming maturity date of any Indebtedness occurring within one year from the time such opinion is delivered) and without any qualification or exception as to the scope of the audit on which such opinion is based) of independent public accountants of recognized national standing, which opinion shall state that such financial statements present fairly, in all material respects, the financial position of the companies being reported upon and their results of operations and cash flows and have been prepared in conformity with GAAP, and that the examination of such accountants in connection with such financial statements has been made in accordance with generally accepted auditing standards, and that such audit provides a reasonable basis for such opinion in the circumstances;

(c) SEC and Other Reports — promptly upon their becoming available, one copy of (i) each financial statement, report, notice, proxy statement or similar document sent by the Company or any Subsidiary (x) to its creditors under any Material Credit Facility (excluding information sent to such creditors in the ordinary course of administration of a credit facility, such as information relating to pricing and borrowing availability) or (y) to its public Securities holders generally, and (ii) each regular or periodic report, each registration statement (without exhibits except as expressly requested by such holder), and each prospectus and all amendments thereto filed by the Company or any Subsidiary with the SEC and of all press releases and other statements made available generally by the Company or any Subsidiary to the public concerning developments that are Material;

(d) Notice of Default or Event of Default — promptly after a Responsible Officer becoming aware of the existence of any Default or Event of Default or that any Person has given any notice or taken any action with respect to a claimed default hereunder or that any Person has given any notice or taken any action with respect to a claimed default of the type referred to in Section 11(f), a written notice specifying the nature and period of existence thereof and what action the Company is taking or proposes to take with respect thereto;

(e) Employee Benefits Matters — promptly, and in any event within 5 days after a Responsible Officer becoming aware of any of the following, a written notice setting forth the nature thereof and the action, if any, that the Company or an ERISA Affiliate proposes to take with respect thereto:

(i) with respect to any Plan, any reportable event, as defined in section 4043(c) of ERISA and the regulations thereunder, for which notice thereof has not been waived pursuant to such regulations as in effect on the date hereof provided that such reportable event could reasonably be expected to result in a Material Adverse Effect;

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▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

(ii) the taking by the PBGC of steps to institute, or, to the extent it could reasonably be expected to result in the termination of a Plan or the appointment of a trustee, the threatening by the PBGC of the institution of, proceedings under section 4042 of ERISA for the termination of, or the appointment of a trustee to administer, any Plan, or provided such action could reasonably be expected to result in a Material Adverse Effect, the receipt by the Company or any ERISA Affiliate of a notice from a Multiemployer Plan that such action has been taken by the PBGC with respect to such Multiemployer Plan;

(iii) any event, transaction or condition that could result in the incurrence of any liability by the Company or any ERISA Affiliate pursuant to Title I or IV of ERISA or the penalty or excise tax provisions of the Code relating to employee benefit plans, or in the imposition of any Lien on any of the rights, properties or assets of the Company or any ERISA Affiliate pursuant to Title I or IV of ERISA or such penalty or excise tax provisions, if such liability or Lien, taken together with any other such liabilities or Liens then existing, could reasonably be expected to have a Material Adverse Effect; or

(iv) receipt of notice of the imposition of a Material financial penalty (which for this purpose shall mean any tax, penalty or other liability, whether by way of indemnity or otherwise) with respect to one or more Non-U.S. Plans;

(f) Notices from Governmental Authority — promptly, and in any event within 30 days of receipt thereof, copies of any notice to the Company or any Subsidiary from any Governmental Authority relating to any order, ruling, statute or other law or regulation that could reasonably be expected to have a Material Adverse Effect; provided that the filing of a Form 8-K with the SEC on ▇▇▇▇▇ shall satisfy this Section 7.1(f);

(g) Resignation or Replacement of Auditors — within 10 days following the date on which the Company’s auditors resign or the Company elects to change auditors, as the case may be, notification thereof; provided that the filing of a Form 8-K with the SEC on ▇▇▇▇▇ shall satisfy this Section 7.1(g); and

(h) Requested Information — with reasonable promptness, such other data and information relating to the business, operations, affairs, financial condition, assets or properties of the Company or any of its Subsidiaries (including actual copies of the Company’s Form 10-Q and Form 10-K) or relating to the ability of the Company to perform its obligations hereunder and under the Notes as from time to time may be reasonably requested by any such holder of a Note.

Notwithstanding anything to the contrary herein no data or information shall include, and no holder of a Note shall be entitled to receive, any classified, privileged or confidential customer-level information or data.

Section 7.2. Officer’s Certificate. Each set of financial statements delivered to a holder of a Note pursuant to Section 7.1(a) or Section 7.1(b) shall be accompanied by a certificate of a Senior Financial Officer:

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▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

(a) Covenant Compliance — setting forth the information from such financial statements that is required in order to establish whether the Company was in compliance with the requirements of Section 10 during the quarterly or annual period covered by the financial statements then being furnished (including with respect to each such provision that involves mathematical calculations, the information from such financial statements that is required to perform such calculations) and detailed calculations of the maximum or minimum amount, ratio or percentage, as the case may be, permissible under the terms of such Section, and the calculation of the amount, ratio or percentage then in existence. In the event that the Company or any Subsidiary has made an election to measure any financial liability using fair value (which election is being disregarded for purposes of determining compliance with this Agreement pursuant to Section 22.2) as to the period covered by any such financial statement, such Senior Financial Officer’s certificate as to such period shall include a reconciliation from GAAP with respect to such election;

(b) Event of Default — certifying that such Senior Financial Officer has reviewed the relevant terms hereof and has made, or caused to be made, under his or her supervision, a review of the transactions and conditions of the Company and its Subsidiaries from the beginning of the quarterly or annual period covered by the statements then being furnished to the date of the certificate and that such review shall not have disclosed the existence during such period of any condition or event that constitutes a Default or an Event of Default or, if any such condition or event existed or exists (including any such event or condition resulting from the failure of the Company or any Subsidiary to comply with any Environmental Law), specifying the nature and period of existence thereof and what action the Company shall have taken or proposes to take with respect thereto; and

(c) Subsidiary Guarantors – setting forth a list of all Subsidiaries that are Subsidiary Guarantors, if any, and certifying that each Subsidiary that is required to be a Subsidiary Guarantor pursuant to Section 9.7 is a Subsidiary Guarantor, in each case, as of the date of such certificate of Senior Financial Officer.

Section 7.3. Visitation. The Company shall permit the representatives of each holder of a Note that is an Institutional Investor:

(a) No Default — if no Default or Event of Default then exists, at the expense of such holder and upon reasonable prior notice to the Company, to visit the principal executive office of the Company, to discuss the affairs, finances and accounts of the Company and its Subsidiaries with the Company’s Responsible Officers, and (with the consent of the Company, which consent will not be unreasonably withheld) to visit the other offices and properties of the Company and each Subsidiary, all at such reasonable times and as often as may be reasonably requested in writing provided that such visit shall be limited to no more than once during any fiscal year of for all of the holders of Notes, taken as a whole; and

(b) Default — if a Default or Event of Default then exists, at the expense of the Company to visit and inspect any of the offices or properties of the Company or any Subsidiary, to examine all their respective books of account, records, reports and other papers, to make copies and extracts therefrom, and to discuss their respective affairs,

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▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

finances and accounts with their respective officers and independent public accountants (and by this provision the Company authorizes said accountants to discuss the affairs, finances and accounts of the Company and its Subsidiaries), all at such times and as often as may be requested.

Section 7.4. Electronic Delivery. Financial statements, opinions of independent certified public accountants, other information and Officer’s Certificates that are required to be delivered by the Company pursuant to Sections 7.1(a), (b) or (c) and Section 7.2 shall be deemed to have been delivered if the Company satisfies any of the following requirements with respect thereto:

(a) such financial statements satisfying the requirements of Section 7.1(a) or (b) and related Officer’s Certificate satisfying the requirements of Section 7.2 and any other information required under Section 7.1(c) are delivered to each holder of a Note by e-mail at the e-mail address set forth in such holder’s Purchaser Schedule or as communicated from time to time in a separate writing delivered to the the Paying Agent (or the Company if a Paying Agent has not been designated);

(b) the Company shall have timely filed such Form 10–Q or Form 10–K, satisfying the requirements of Section 7.1(a) or Section 7.1(b), as the case may be, with the SEC on ▇▇▇▇▇ and shall have made such form and the related Officer’s Certificate satisfying the requirements of Section 7.2 available on its home page on the internet, which is located at ▇▇▇▇://▇▇▇▇▇▇.▇▇▇ as of the date of this Agreement;

(c) such financial statements satisfying the requirements of Section 7.1(a) or Section 7.1(b) and related Officer’s Certificate(s) satisfying the requirements of Section 7.2 and any other information required under Section 7.1(c) are timely posted by or on behalf of the Company on IntraLinks or on any other similar website to which each holder of Notes has free access; or

(d) the Company shall have timely filed any of the items referred to in Section 7.1(c) with the SEC on ▇▇▇▇▇ and shall have made such items available on its home page on the internet or on IntraLinks or on any other similar website to which each holder of Notes has free access;

provided however, that in no case shall access to such financial statements, other information and Officer’s Certificates be conditioned upon any waiver or other agreement or consent (other than confidentiality provisions consistent with Section 20 of this Agreement); provided further, that in the case of any of clauses (b), (c) or (d), the Company shall have given, or shall cause the Paying Agent to give, each holder of a Note written notice, which may be by e-mail or in accordance with Section 18, of such posting or filing in connection with each delivery, provided further, that upon request of any holder to receive paper copies of such forms, financial statements, other information and Officer’s Certificates or to receive them by e-mail, the Company will promptly e-mail them or deliver such paper copies, as the case may be, to such holder.

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▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

SECTION 8. PAYMENT AND PREPAYMENT OF THE NOTES.

Section 8.1. Maturity. As provided therein, the entire unpaid principal balance of each Note shall be due and payable on the Maturity Date thereof.

Section 8.2. Optional Prepayments with Make-Whole Amount. (a) The Company may, at its option, upon notice as provided below, prepay at any time all, or from time to time any part of, any series of Notes, in an amount not less than 10% of the aggregate principal amount of the Notes of such series then outstanding in the case of a partial prepayment, at 100% of the principal amount so prepaid, and the Make-Whole Amount determined for the prepayment date with respect to such principal amount. The Company will give each holder of Notes being so prepaid written notice of each optional prepayment under this Section 8.2 not less than 10 days and not more than 60 days prior to the date fixed for such prepayment unless the Company and the holders of at least a majority in principal amount outstanding of the Notes to be prepaid agree to another time period pursuant to Section 17. Each such notice shall specify such date (which shall be a Business Day), the aggregate principal amount of the series of the Notes to be prepaid on such date, the principal amount of each Note held by such holder to be prepaid (determined in accordance with Section 8.3), and the interest to be paid on the prepayment date with respect to such principal amount being prepaid, and shall be accompanied by a certificate of a Senior Financial Officer as to the estimated Make-Whole Amount due in connection with such prepayment (calculated as if the date of such notice were the date of the prepayment), setting forth the details of such computation. Two Business Days prior to such prepayment, the Company shall deliver to each holder of Notes a certificate of a Senior Financial Officer specifying the calculation of such Make-Whole Amount as of the specified prepayment date.

(b) Notwithstanding anything contained in this Section 8.2 to the contrary, if and so long as any Default or Event of Default shall have occurred and be continuing, any partial prepayment of the Notes pursuant to the provisions of Section 8.2(a) shall be allocated among all of the Notes of all series at the time outstanding in proportion, as nearly as practicable, to the respective unpaid principal amounts thereof.

Section 8.3. Allocation of Partial Prepayments. In the case of each partial prepayment of the Notes of any series pursuant to Section 8.2, the principal amount of the Notes to be prepaid shall be allocated among all of the Notes of such series at the time outstanding in proportion, as nearly as practicable, to the respective unpaid principal amounts thereof not theretofore called for prepayment.

Section 8.4. Maturity; Surrender, Etc. In the case of each prepayment of Notes pursuant to this Section 8, the principal amount of each Note to be prepaid shall mature and become due and payable on the date fixed for such prepayment, together with interest on such principal amount accrued to such date and the applicable Make-Whole Amount, if any. From and after such date, unless the Company shall fail to pay such principal amount when so due and payable, together with the interest and Make-Whole Amount, if any, as aforesaid, interest on such principal amount shall cease to accrue. Any Note paid or prepaid in full shall be surrendered to the Company and cancelled and shall not be reissued, and no Note shall be issued in lieu of any prepaid principal amount of any Note.

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▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

Section 8.5. Purchase of Notes. The Company will not and will not permit any Affiliate to purchase, redeem, prepay or otherwise acquire, directly or indirectly, any of the outstanding Notes except (a) upon the payment or prepayment of the Notes in accordance with this Agreement and the Notes or (b) pursuant to an offer to purchase made by the Company or an Affiliate pro rata to the holders of all Notes at the time outstanding upon the same terms and conditions (taking into account differences in the Maturity Date and interest rate of each series of Notes). Any such offer shall provide each holder with sufficient information to enable it to make an informed decision with respect to such offer, and shall remain open for at least 15 Business Days. If the holders of more than 10% of the principal amount of the Notes then outstanding accept such offer, the Company shall promptly notify the remaining holders of such fact and the expiration date for the acceptance by holders of Notes of such offer shall be extended by the number of days necessary to give each such remaining holder at least 15 Business Days from its receipt of such notice to accept such offer. The Company will promptly cancel all Notes acquired by it or any Affiliate pursuant to any payment, prepayment or purchase of Notes pursuant to this Agreement and no Notes may be issued in substitution or exchange for any such Notes.

Section 8.6. Make-Whole Amount. The term “Make-Whole Amount” means an amount equal to the excess, if any, of the Discounted Value of the Remaining Scheduled Payments with respect to the Called Principal of such Note over the amount of such Called Principal, provided that the Make-Whole Amount may in no event be less than zero; provided further that the Make-Whole Amount shall equal zero with respect to the relevant Series of Notes if such prepayment occurs on or after the date which is thirty (30) days prior to their respective Maturity Dates of such series of Notes. For the purposes of determining the Make-Whole Amount with respect to any Note, the following terms have the following meanings:

“Applicable Percentage” means 0.50% (50 basis points).

“Called Principal” means the principal of such Note that is to be prepaid pursuant to Section 8.2 or has become or is declared to be immediately due and payable pursuant to Section 12.1, as the context requires.

“Discounted Value” means, with respect to the Called Principal of such Note, the amount obtained by discounting all Remaining Scheduled Payments with respect to such Called Principal from their respective scheduled due dates to the Settlement Date with respect to such Called Principal, in accordance with accepted financial practice and at a discount factor (applied on the same periodic basis as that on which interest on the Note is payable) equal to the Reinvestment Yield with respect to such Called Principal.

“Reinvestment Yield” means, the sum of the (x) Applicable Percentage plus (y) the yield to maturity implied by the yield(s) reported as of 10:00 a.m. (New York City time) on the second Business Day preceding the Settlement Date with respect to such Called Principal, on the display designated as “Page PX1” (or such other display as may replace Page PX1) on Bloomberg Financial Markets for the most recently issued actively traded on-the-run U.S. Treasury securities (“Reported”) having a maturity equal to the Remaining Average Life of such Called Principal as of such Settlement Date. If there are no such U.S. Treasury securities Reported having a maturity equal to such Remaining Average Life, then such implied yield to

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▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

maturity will be determined by (a) converting U.S. Treasury ▇▇▇▇ quotations to bond equivalent yields in accordance with accepted financial practice and (b) interpolating linearly between the yields Reported for the applicable most recently issued actively traded on-the-run U.S. Treasury securities with the maturities (1) closest to and greater than such Remaining Average Life and (2) closest to and less than such Remaining Average Life. The Reinvestment Yield shall be rounded to the number of decimal places as appears in the interest rate of the applicable Note.

If such yields are not Reported or the yields Reported as of such time are not ascertainable (including by way of interpolation), then “Reinvestment Yield” means, with respect to the Called Principal of any Note, the sum of (x) the Applicable Percentage plus (y) the yield to maturity implied by the U.S. Treasury constant maturity yields reported, for the latest day for which such yields have been so reported as of the second Business Day preceding the Settlement Date with respect to such Called Principal, in Federal Reserve Statistical Release H.15 (or any comparable successor publication) for the U.S. Treasury constant maturity having a term equal to the Remaining Average Life of such Called Principal as of such Settlement Date. If there is no such U.S. Treasury constant maturity having a term equal to such Remaining Average Life, such implied yield to maturity will be determined by interpolating linearly between (1) the U.S. Treasury constant maturity so reported with the term closest to and greater than such Remaining Average Life and (2) the U.S. Treasury constant maturity so reported with the term closest to and less than such Remaining Average Life. The Reinvestment Yield shall be rounded to the number of decimal places as appears in the interest rate of the applicable Note.

“Remaining Average Life” means, with respect to any Called Principal, the number of years (calculated to the nearest one-twelfth year) obtained by dividing (i) such Called Principal into (ii) the sum of the products obtained by multiplying (a) the principal component of each Remaining Scheduled Payment with respect to such Called Principal by (b) the number of years (calculated to the nearest one-twelfth year) that will elapse between the Settlement Date with respect to such Called Principal and the scheduled due date of such Remaining Scheduled Payment.

“Remaining Scheduled Payments” means, with respect to the Called Principal of any Note, all payments of such Called Principal and interest thereon that would be due after the Settlement Date with respect to such Called Principal if no payment of such Called Principal were made prior to its scheduled due date, provided that if such Settlement Date is not a date on which an interest payment is due to be made under the terms of such Note, then the amount of the next succeeding scheduled interest payment will be reduced by the amount of interest accrued to such Settlement Date and required to be paid on such Settlement Date pursuant to Section 8.2 or Section 12.1.

“Settlement Date” means, with respect to the Called Principal of any Note, the date on which such Called Principal is to be prepaid pursuant to Section 8.2 or has become or is declared to be immediately due and payable pursuant to Section 12.1, as the context requires.

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▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

Section 8.7. Change of Control.

(a) Notice of Change of Control. The Company will no earlier than 30 Business Days prior and no later than five (5) Business Days after the occurrence of any Change of Control, give written notice (the “Change of Control Notice”) of such Change of Control to each holder of Notes. Such Change of Control Notice shall contain and constitute an offer to prepay the Notes as described in Section 8.8(b) hereof and shall be accompanied by the certificate described in Section 8.8(e).

(b) Offer to Prepay Notes. The offer to prepay Notes contemplated by Section 8.8(a) shall be an offer to prepay, in accordance with and subject to this Section 8.8, all, but not less than all, of the Notes held by each holder (in this case only, “holder” in respect of any Note registered in the name of a nominee for a disclosed beneficial owner shall mean such beneficial owner) on a date specified in such Change of Control Notice (the “Proposed Prepayment Date”). Such date shall be not fewer than 30 days and not more than 60 days after the date of delivery of the Change of Control Notice.

(c) Acceptance. Any holder of Notes may accept the offer to prepay made pursuant to this Section 8.8 by causing a notice of such acceptance to be delivered to the Company not fewer than 10 days prior to the Proposed Prepayment Date. A failure by a holder of Notes to respond to an offer to prepay made pursuant to this Section 8.8 shall be deemed to constitute a rejection of such offer by such holder.

(d) Prepayment. Prepayment of the Notes to be prepaid pursuant to this Section 8.8 shall be at 100% of the principal amount of such Notes together with accrued and unpaid interest thereon, but without any Make-Whole Amount or other premium. The prepayment shall be made on the Proposed Prepayment Date.

(e) Officer’s Certificate. Each offer to prepay the Notes pursuant to this Section 8.8 shall be accompanied by a certificate, executed by a Responsible Officer and dated the date of delivery of the Change of Control Notice, specifying: (i) the Proposed Prepayment Date; (ii) that such offer is made pursuant to this Section 8.8; (iii) the principal amount of each Note offered to be prepaid (which shall be 100% of the outstanding principal balance of each such Note); (iv) the interest that would be due on each Note offered to be prepaid, accrued to the Proposed Prepayment Date; (v) that the conditions of this Section 8.8 required to be fulfilled prior to the giving of notice have been fulfilled; and (vi) in reasonable detail, the general nature and date of the Change of Control.

Section 8.8. Prepayment in Connection with Asset Sales. If the Company elects, in accordance with Section 10.2, to offer to prepay the Notes using the proceeds of a Disposition of the Company and its Subsidiaries, the Company will give written notice thereof to each holder of a Note, which notice shall describe such sale in reasonable detail and (a) refer specifically to this Section 8.9, (b) specify the pro rata portion of each Note being so offered to be so prepaid (determined based on the unpaid principal amount of each Note in proportion to the aggregate unpaid principal of all Notes at the time outstanding), (c) specify a date not less than 30 days and not more than 60 days after the date of such notice (the “Asset Sale Prepayment Date”) and specify the Asset Sale Response Date (as defined below) and (d) offer to prepay on the Asset Sale Prepayment Date such pro rata portion of each Note, together with interest accrued thereon to the Asset Sale Prepayment Date, if any. Each holder of a Note shall notify the Company of such holder’s acceptance or rejection of such offer by giving written notice thereof to the Company on a date at least 10 Business Days prior to the Asset Sale Prepayment Date (such date

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▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

10 Business Days prior to the Asset Sale Prepayment Date being the “Asset Sale Response Date”), and the Company shall prepay on the Asset Sale Prepayment Date such pro rata portion of each Note held by the holders who have accepted such offer in accordance with this Section 8.9 at a price in respect of each Note held by such holder equal to 100% of the principal amount of such pro rata portion, together with interest accrued thereon to the Asset Sale Prepayment Date, if any, and in each case without any Make-Whole Amount or other premium; provided, however, that the failure by a holder of any Note to respond to such offer in writing on or before the Asset Sale Response Date shall be deemed to be a rejection of such offer.

Section 8.9. Payments Due on Non-Business Days. Anything in this Agreement or the Notes to the contrary notwithstanding, (x) except as set forth in clause (y), any payment of interest on any Note that is due on a date that is not a Business Day shall be made on the next succeeding Business Day without including the additional days elapsed in the computation of the interest payable on such next succeeding Business Day; and (y) any payment of principal of or Make-Whole Amount on any Note (including principal due on the Maturity Date of such Note) that is due on a date that is not a Business Day shall be made on the next succeeding Business Day and shall include the additional days elapsed in the computation of interest payable on such next succeeding Business Day.

SECTION 9. AFFIRMATIVE COVENANTS.

The Company covenants that so long as any of the Notes are outstanding:

Section 9.1. Compliance with Laws. Without limiting Section 10.4, the Company will, and will cause each of its Subsidiaries to, comply in all material respects with all laws, ordinances or governmental rules or regulations to which each of them is subject (including ERISA, Environmental Laws, the USA PATRIOT Act and the other laws and regulations that are referred to in Section 5.16) and will obtain and take all reasonable action to maintain in effect all licenses, certificates, permits, franchises and other governmental authorizations necessary to the ownership of their respective properties or to the conduct of their respective businesses, in each case to the extent necessary to ensure that non-compliance with such laws, ordinances or governmental rules or regulations or failures to obtain or maintain in effect such licenses, certificates, permits, franchises and other governmental authorizations could not, individually or in the aggregate, reasonably be expected to have a Material Adverse Effect.

Section 9.2. Insurance. The Company will, and will cause each of its Subsidiaries to, maintain, with financially sound and reputable insurers, insurance with respect to their respective properties and businesses against such casualties and contingencies, of such types, on such terms and in such amounts (including deductibles, co-insurance and self-insurance, if adequate reserves are maintained with respect thereto) as is customary in the case of entities of established reputations engaged in the same or a similar business and similarly situated.

Section 9.3. Maintenance of Properties. The Company will, and will cause each of its Subsidiaries to, maintain and keep, or cause to be maintained and kept, their respective properties necessary to the operation of its business in good repair, working order and condition (other than ordinary wear and tear), so that the business carried on in connection therewith may be properly conducted at all times, provided that this Section 9.3 shall not prevent the Company

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▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

or any Subsidiary from discontinuing the operation and the maintenance of any of its properties if such discontinuance is desirable in the conduct of its business and the Company has concluded that such discontinuance could not, individually or in the aggregate, reasonably be expected to have a Material Adverse Effect.

Section 9.4. Payment of Taxes and Claims. The Company will, and will cause each of its Subsidiaries to, pay and discharge all Taxes shown to be due and payable on its Tax returns and all other Taxes, assessments, governmental charges, or levies imposed on them or any of their properties, assets, income or franchises, to the extent the same have become due and payable and before they have become delinquent and all claims for which sums have become due and payable that have or might become a Lien on properties or assets of the Company or any Subsidiary, provided that neither the Company nor any Subsidiary need pay any such Tax, assessment, charge, levy or claim if (i) the amount, applicability or validity thereof is contested by the Company or such Subsidiary on a timely basis in good faith and in appropriate proceedings, and the Company or a Subsidiary has established adequate reserves therefor in accordance with GAAP on the books of the Company or such Subsidiary or (ii) the nonpayment of all such Taxes, assessments, charges, levies and claims could not, individually or in the aggregate, reasonably be expected to have a Material Adverse Effect.

Section 9.5. Corporate Existence, Etc. Subject to Section 10.2, the Company will at all times preserve and keep its corporate existence in full force and effect. Subject to Section 10.2, the Company will at all times preserve and keep in full force and effect the corporate existence of each of its Subsidiaries (unless merged into the Company or a Wholly-Owned Subsidiary) and all rights and franchises of the Company and its Subsidiaries unless, in the good faith judgment of the Company, the termination of or failure to preserve and keep in full force and effect such corporate existence, right or franchise could not, individually or in the aggregate, have a Material Adverse Effect.

Section 9.6. Books and Records. The Company will, and will cause each of its Subsidiaries to, maintain proper books of record and account in conformity with GAAP (or the applicable foreign equivalent thereof) and in material conformity with all applicable requirements of any Governmental Authority having legal or regulatory jurisdiction over the Company or such Subsidiary, as the case may be.

Section 9.7. Subsidiary Guarantors. (a) On and after the Closing, the Company will cause each of its wholly-owned Domestic Subsidiaries that guarantees or otherwise becomes liable at any time, whether as a borrower or an additional or co-borrower or otherwise, for or in respect of any Indebtedness of the Company under any Material Credit Facility to concurrently therewith:

(i) enter into an agreement in form and substance reasonably satisfactory to the Required Holders providing for the guaranty by such Subsidiary, on a joint and several basis with all other such Subsidiaries, of (x) the prompt payment in full when due of all amounts payable by the Company pursuant to the Notes (whether for principal, interest, Make-Whole Amount or otherwise) and this Agreement, including all indemnities, fees and expenses payable by the Company thereunder and (y) the prompt, full and faithful performance, observance and discharge by the Company of each and every covenant, agreement, undertaking and provision required pursuant to the Notes or this Agreement to be performed, observed or discharged by it (a “Subsidiary Guaranty”); and

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▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

(ii) deliver the following to each holder of a Note:

(A) an executed counterpart of such Subsidiary Guaranty;

(B) a certificate signed by an authorized responsible officer of such Subsidiary containing representations and warranties on behalf of such Subsidiary to the same effect, mutatis mutandis, as those contained in Sections 5.1, 5.2, 5.6, 5.7 and 5.16 of this Agreement (but with respect to such Subsidiary and such Subsidiary Guaranty rather than the Company);

(C) all documents as may be reasonably requested by the Required Holders to evidence the due organization, continuing existence and, where applicable, good standing of such Subsidiary and the due authorization by all requisite action on the part of such Subsidiary of the execution and delivery of such Subsidiary Guaranty and the performance by such Subsidiary of its obligations thereunder; and

(D) an opinion of counsel reasonably satisfactory to the Required Holders covering such matters relating to such Subsidiary and such Subsidiary Guaranty as the Required Holders may reasonably request.

(b) At the election of the Company and by written notice to each holder of Notes, any Subsidiary Guarantor may be discharged from all of its obligations and liabilities under its Subsidiary Guaranty and shall be automatically released from its obligations thereunder without the need for the execution or delivery of any other document by the holders, provided that (i) if such Subsidiary Guarantor is a guarantor or is otherwise liable for or in respect of any Indebtedness of the Company or any Material Credit Facility, then such Subsidiary Guarantor has been released and discharged (or will be released and discharged concurrently with the release of such Subsidiary Guarantor under its Subsidiary Guaranty) under such Material Credit Facility, (ii) at the time of, and after giving effect to, such release and discharge, no Default or Event of Default shall be existing, (iii) no amount is then due and payable under such Subsidiary Guaranty, (iv) if in connection with such Subsidiary Guarantor being released and discharged under any Material Credit Facility, any fee or other form of consideration is given to any holder of Indebtedness under such Material Credit Facility for such release, the holders of the Notes shall receive equivalent consideration substantially concurrently therewith and (v) each holder shall have received a certificate of a Responsible Officer certifying as to the matters set forth in clauses (i) through (iv). In the event of any such release, for purposes of Section 10.7(c), all Indebtedness of such Subsidiary shall be deemed to have been incurred concurrently with such release.

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▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

SECTION 10. NEGATIVE COVENANTS.

The Company covenants that so long as any of the Notes are outstanding:

Section 10.1. Transactions with Affiliates. The Company will not, and will not permit any Subsidiary to, enter into directly or indirectly any transaction or group of related transactions (including the purchase, lease, sale or exchange of properties of any kind or the rendering of any service) with any Affiliate (other than between the Company and a Subsidiary or between a Subsidiary and another Subsidiary), except in the ordinary course and pursuant to the reasonable requirements of the Company’s or such Subsidiary’s business and upon fair and reasonable terms no less favorable to the Company or such Subsidiary than would be obtainable in a comparable arm’s-length transaction with a Person not an Affiliate; provided that the foregoing restriction shall not apply to (i) transactions otherwise permitted under this Agreement, (ii) the existence of, and performance by the Company and any of its Subsidiaries of their respective obligations under the terms of any joint venture agreement, limited partnership agreement, limited liability company agreement, shareholders agreement, security holders’ agreement (including any registration rights agreement or purchase agreement related thereto) or similar agreements and arrangements (collectively, “Affiliate Agreements”), so long as the terms of the Affiliate Agreements, taken as a whole, are not materially adverse to the Company and its Subsidiaries, taken as a whole, and (iii) customary compensation, severance and indemnification paid or provided to officers, directors or employees.

Section 10.2. Merger, Consolidation, Etc. The Company will not, and will not permit any Subsidiary Guarantor to, consolidate with or merge with any other Person or convey, transfer or lease all or substantially all of its assets in a single transaction or series of transactions to any Person unless:

(a) in the case of any such transaction involving the Company, the successor formed by such consolidation or the survivor of such merger or the Person that acquires by conveyance, transfer or lease all or substantially all of the assets of the Company as an entirety, as the case may be, shall be a solvent corporation or limited liability company organized and existing under the laws of the United States or any state thereof (including the District of Columbia), and, if the Company is not such corporation or limited liability company, (i) such corporation or limited liability company shall have executed and delivered to each holder of any Notes its assumption of the due and punctual performance and observance of each covenant and condition of this Agreement and the Notes and (ii) such corporation or limited liability company shall have caused to be delivered to each holder of any Notes an opinion of nationally recognized independent counsel, or other independent counsel reasonably satisfactory to the Required Holders, to the effect that all agreements or instruments effecting such assumption are enforceable in accordance with their terms and comply with the terms hereof;

(b) in the case of any such transaction involving a Subsidiary Guarantor, the successor formed by such consolidation or the survivor of such merger or the Person that acquires by conveyance, transfer or lease all or substantially all of the assets of such Subsidiary Guarantor as an entirety, as the case may be, shall be (1) the Company, such Subsidiary Guarantor or another Subsidiary Guarantor; (2) a solvent corporation or limited liability company (other than the Company or another Subsidiary Guarantor) that is organized and existing under the laws of the United States or any state thereof (including the District of Columbia) and, if such Subsidiary Guarantor is not such corporation or limited liability company, (A) such corporation or limited liability company shall have executed and delivered to each holder of Notes its assumption of the

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▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

due and punctual performance and observance of each covenant and condition of the Subsidiary Guaranty of such Subsidiary Guarantor and (B) the Company shall have caused to be delivered to each holder of Notes an opinion of nationally recognized independent counsel, or other independent counsel reasonably satisfactory to the Required Holders, to the effect that all agreements or instruments effecting such assumption are enforceable in accordance with their terms and comply with the terms hereof; or (3) any other Person so long as the transaction is treated as a disposition of all of the assets of such Subsidiary Guarantor for purposes of Section 10.6 and, based on such characterization, would be permitted pursuant to Section 10.6;

(c) except in the case of any dispositions permitted under Section 10.6 or any release of a Subsidiary Guarantor in accordance with Section 9.7(b), each Subsidiary Guarantor under any Subsidiary Guaranty that is outstanding at the time such transaction or each transaction in such a series of transactions occurs reaffirms its obligations under such Subsidiary Guaranty in writing at such time pursuant to documentation that is reasonably acceptable to the Required Holders; and

(d) immediately before and immediately after giving effect to such transaction or each transaction in any such series of transactions, no Default or Event of Default shall have occurred and be continuing.

No such conveyance, transfer or lease of substantially all of the assets of the Company or any Subsidiary Guarantor shall have the effect of releasing the Company or such Subsidiary Guarantor, as the case may be, or any successor corporation or limited liability company that shall theretofore have become such in the manner prescribed in this Section 10.2, from its liability under (x) this Agreement or the Notes (in the case of the Company) or (y) the Subsidiary Guaranty (in the case of any Subsidiary Guarantor), unless, in the case of the conveyance, transfer or lease of substantially all of the assets of a Subsidiary Guarantor, such Subsidiary Guarantor is released from its Subsidiary Guaranty in accordance with Section 9.7(b) in connection with or immediately following such conveyance, transfer or lease.

Section 10.3. Line of Business. The Company will not and will not permit any Subsidiary to engage in any business if, as a result, the general nature of the business in which the Company and its Subsidiaries, taken as a whole, would then be engaged would be substantially changed from the general nature of the business in which the Company and its Subsidiaries, taken as a whole, are engaged on the date of this Agreement as described in the Memorandum (except to the extent such changes are substantially related, complementary, ancillary or incidental thereto, or are reasonable extensions of the general nature of the business).

Section 10.4. Economic Sanctions, Etc. The Company will not, and will not permit any Controlled Entity to (a) become (including by virtue of being owned or controlled by a Blocked Person), own or control a Blocked Person or (b) directly or indirectly have any investment in or engage in any dealing or transaction (including any investment, dealing or transaction involving the proceeds of the Notes) with any Person if such investment, dealing or transaction (i) would cause any holder of the Notes or any affiliate of such holder to be in violation of, or subject to sanctions under, any law or regulation applicable to such holder, or (ii) is prohibited by or subject to sanctions under any U.S. Economic Sanctions Laws.

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▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

Section 10.5. Liens. The Company will not and will not permit any of its Subsidiaries to create, incur, assume or suffer to exist any Lien upon any of its property, assets or revenues, whether now owned or hereafter acquired, except for the following (“Permitted Liens”):

(a) Liens securing the obligations under this Agreement;

(b) Liens existing on the date hereof and any refinancing, renewals or extensions thereof, provided that the property covered thereby is not increased and that the amount of the Indebtedness secured thereby is not increased at the time of such refinancing, renewal or extension except by an amount equal to a reasonable premium or other reasonable amount paid, and fees and expenses reasonably incurred, in connection with such refinancing and by an amount equal to any existing commitments unutilized thereunder, and provided further that any such Liens existing on the date hereof and securing Indebtedness with a principal or face amount exceeding U.S.$25,000,000 shall be listed on Schedule 10.5:

(c) Liens for Taxes, provided that such Taxes are (i) not yet delinquent or are being contested in good faith and by appropriate proceedings diligently conducted, if adequate reserves with respect thereto are maintained on the books of the applicable Person in accordance with GAAP or (ii) do not exceed $10,000,000 in the aggregate;

(d) carriers’, warehousemen’s, mechanics’, materialmen’s, repairmen’s or other like Liens arising in the ordinary course of business which are not overdue for a period of more than 30 days or which are being contested in good faith and by appropriate proceedings diligently conducted, if adequate reserves with respect thereto are maintained on the books of the applicable Person;

(e) pledges or deposits in the ordinary course of business in connection with workers’ compensation, unemployment insurance and other social security legislation, other than any Lien imposed by ERISA or any Non-U.S. Plan;

(f) deposits to secure the performance of bids, trade contracts, government contracts and leases (other than Indebtedness), statutory obligations, surety bonds (other than bonds related to judgments or litigation), performance bonds and other obligations of a like nature incurred in the ordinary course of business (including obligations imposed by the applicable Laws of foreign jurisdictions and excluding obligations for the payment of borrowed money);

(g) easements, rights-of-way, restrictions and other similar encumbrances affecting real property which, in the aggregate, are not substantial in amount, and which do not in any case materially detract from the value of the property subject thereto or materially interfere with the ordinary conduct of the business of the applicable Person;

(h) Liens securing judgments for the payment of money not constituting an Event of Default under Section 11(j) or securing appeal or other surety bonds related to such judgments;

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▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

(i) Liens securing Indebtedness in respect of capital leases, Synthetic Lease Obligations and purchase money obligations for fixed or capital assets, including real estate; provided that (i) such Liens do not at any time encumber any property other than the property financed by such Indebtedness, and (ii) the Indebtedness secured thereby does not exceed the cost of the property being acquired on the date of acquisition;

(j) the interest of a purchaser of Permitted Receivables acquired pursuant to, or any Lien on the assets of a Securitization Subsidiary granted pursuant to, one or more Permitted Securitizations, provided that the aggregate amount of Indebtedness outstanding at any time pursuant to this clause (j) does not exceed the Securitizations Threshold (measured as of the most recently completed fiscal quarter of Company for which financial statements have been delivered to pursuant to Section 7.1);

(k) Liens on assets acquired in any acquisitions permitted hereunder after the date of this Agreement; provided, however, that (A) such Liens existed at the time of such Acquisition and were not created in anticipation thereof, (B) any such Lien does not by its terms cover any assets after the time of such Acquisition which were not covered immediately prior thereto, (C) any such Lien does not by its terms secure any Indebtedness other than Indebtedness existing immediately prior to the time of such Acquisition and any refinancing Indebtedness in respect thereof so long as such refinancing does not increase the amount of Indebtedness except by an amount equal to a reasonable premium or other reasonable amount paid, and fees, expenses reasonably incurred, in connection with such refinancing and by an amount equal to any existing commitments unutilized thereunder and (D) the incurrence of such Indebtedness secured by such Lien does not result in a Default or Event of Default hereunder;

(l) Liens arising by virtue of any contractual, statutory or common law provision relating to banker’s liens, rights of setoff or similar rights and remedies as to deposit accounts or other funds maintained with a creditor depository institution; provided that such deposit account is not a dedicated cash collateral account and is not subject to restrictions against access by the Company or the relevant Subsidiary in excess of those set forth by the regulations promulgated by the FRB;

(m) Liens consisting of precautionary financing statements filed in connection with operating leases;

(n) other Liens securing Indebtedness provided that such Indebtedness is permitted by Section 10.7(c) and provided, further, that notwithstanding the foregoing, the Company shall not, and shall not permit any of its Domestic Subsidiaries to, secure pursuant to this Section 10.5(n) any Indebtedness outstanding under or pursuant to any Material Credit Facility (other than with respect to any cash collateralization of letters of credit and similar obligations) unless and until the Notes (and any guaranty delivered in connection therewith) shall concurrently be secured, by the Company and/or such Domestic Subsidiary, as applicable, equally and ratably with such Indebtedness pursuant to documentation reasonably acceptable to the Required Holders in substance and in form, including an intercreditor agreement and opinions of counsel to the Company and/or any such Subsidiary, as the case may be, from counsel that is reasonably acceptable to the Required Holders;

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▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

(o) Liens arising by virtue of deposits made in the ordinary course of business to secure liability for premiums to insurance carriers;

(p) Liens arising out of conditional sale, title retention, consignment or similar arrangements for the sale of goods entered into by the Company or any of its Subsidiaries thereof in the ordinary course of business;

(q) licenses of intellectual property (i) granted by the Company or any of its Subsidiaries in the ordinary course of business and (ii) between or among the Company and\or its Subsidiaries;

(r) Liens in favor of customs and revenue authorities arising as a matter of law to secure payment of customs duties in connection with the importation of goods in the ordinary course of business;

(s) restrictions on transfers of securities imposed by applicable securities laws;

(t) any interest or title of a lessor, sublessor, licensor or sublicensor by a lessor’s, sublessor’s, licensor’s or sublicensor’s interest under leases or licenses entered into by the Company or any Subsidiary as tenant, subtenant, licensee or sublicense in the ordinary course of business, including any assignments of insurance or condemnation proceeds provided to landlords (or their mortgagees) pursuant to the terms of any lease and Liens and rights reserved in any lease for rent or for compliance with the terms of such lease (including real estate security deposits with respect to leaseholds in the ordinary course of business);

(u) Liens on (i) any ▇▇▇▇ ▇▇▇▇▇▇▇ money deposits made by the Company or any Subsidiary in connection with any proposed Acquisition, letter of intent or purchase agreement permitted hereunder and (ii) cash relating to escrows established for an adjustment in purchase price or liabilities or indemnities for Dispositions, to the extent the relevant Disposition is permitted hereby; and

(v) Liens in favor of a trustee or agent in an indenture or similar document relating to any Indebtedness to the extent such Liens secure only customary compensation and reimbursement obligations of such trustee or agent.

Section 10.6. Dispositions. The Company and its Subsidiary shall not make any Disposition, except:

(a) Dispositions of obsolete or worn out property, whether now owned or hereafter acquired, in the ordinary course of business;

(b) Dispositions in the ordinary course of business;

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▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

(c) Dispositions of equipment or real property to the extent that (i) such property is exchanged for credit against the purchase price of similar replacement property, (ii) the proceeds of such Disposition are reasonably promptly applied to the purchase price of such replacement property, or (iii) in the case of equipment or real property, such equipment or real property is no longer useful in or material to the continued operation of the Company’s or a Subsidiary’s business;

(d) Dispositions of property by any Subsidiary to the Company or to a Wholly-Owned Subsidiary;

(e) Dispositions permitted by Section 10.2;

(f) a sale or transfer of Permitted Receivables pursuant to one or more Permitted Securitizations, subject to the limitations set forth in Section 10.5(j) with respect to any such Permitted Securitizations;

(g) dispositions of leases of property, including real property, in each case in the ordinary course of business not materially interfering with the conduct of the business of the Company and its Subsidiaries;

(h) dispositions pursuant to the unwinding of any Swap Contracts; and

(i) Dispositions by the Company and its Subsidiaries not otherwise permitted under this Section 10.6; provided that (i) at the time of such Disposition, no Default or Event of Default shall exist or would result from such Disposition and (ii) the aggregate book value of all property Disposed of in reliance on this clause (i) during any 12 month period shall not exceed 20% of the Company’s Consolidated Net Worth at the time of such Disposition; provided that if the net proceeds from any Disposition is applied to a Debt Prepayment Application or a Property Reinvestment Application within one year after such Disposition, then such Disposition, only for the purpose of determining compliance with subsection (i) of this Section 10.6 as of a date on or after the net proceeds are so applied, shall be deemed not to be an Disposition for purposes of the calculation in clause (ii).

Section 10.7. Financial Covenants. The Company and its Subsidiaries shall not:

(a) Consolidated Net Worth. Permit Consolidated Net Worth at any time to be less than the sum of (i) U.S.$3,718,900,000, (ii) an amount equal to 50% of the Consolidated Net Income earned after December 29, 2017 in any fiscal year (with no deduction for a net loss in any such fiscal year) and (iii) an amount equal to 100% of the aggregate increases in Shareholders’ Equity of the Company and its Subsidiaries after December 29, 2017, by reason of the issuance and sale of capital stock or other equity interests of the Company or any Subsidiary (other than issuances to the Company or a wholly-owned Subsidiary and other than proceeds received from any issue of new shares of the Company’s or its Subsidiaries’ common stock in connection with an employee equity incentive plan), including upon any conversion of debt securities of the Company into such capital stock or other equity interests, less any decreases in Shareholders’ Equity of the Company after December 29, 2017, by reason of any repurchase of shares of capital stock of the Company (x) that are intended to be used to satisfy the Company’s or a Subsidiary’s obligations under an employee equity incentive plan, or (y) in an aggregate number that does not exceed the number of shares issued for that purpose in the six months prior to any such repurchase.

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▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

(b) Consolidated Leverage Ratio. Permit the Consolidated Leverage Ratio as of the end of any fiscal quarter of the Company to be greater than a level equal to (i) with respect to any fiscal quarter ending after the Closing and on or prior to December 28, 2018, 3.25:1.00; and (ii) thereafter, 3.00:1.00; provided that, at the request of the Company following a Material Permitted Acquisition, such permitted level shall be increased to 3.50:1.00 for four fiscal quarters following the Material Permitted Acquisition (an “Elevated Compliance Period”); so long as (A) such level shall be reduced to 3.00:1:00 for one full fiscal quarter period prior to any subsequent Elevated Compliance Period; and further provided that there shall not be more than four (4) Elevated Compliance Periods during the life of this Agreement and (B) the Company shall be obligated to pay Incremental Interest pursuant to and to the extent required under Section 1.2.

(c) Priority Debt. Permit Priority Debt of the Company and the Subsidiaries to exceed 15% of Consolidated Net Worth (measured as of the most recently completed fiscal quarter of the Company for which financial statements have been delivered pursuant to Section 7.1) at any time.

SECTION 11. EVENTS OF DEFAULT.

An “Event of Default” shall exist if any of the following conditions or events shall occur and be continuing:

(a) the Company defaults in the payment of any principal or Make-Whole Amount, if any, on any Note when the same becomes due and payable, whether at maturity or at a date fixed for prepayment or by declaration or otherwise; or

(b) the Company defaults in the payment of any interest on any Note for more than five Business Days after the same becomes due and payable; or

(d) the Company or any Subsidiary Guarantor defaults in the performance of or compliance with any term contained herein (other than those referred to in Sections 11(a), (b) and (c)) or in any Subsidiary Guaranty and such default is not remedied within 30 days after the earlier of (i) a Responsible Officer obtaining actual knowledge of such default and (ii) the Company receiving written notice of such default from any holder of a Note (any such written notice to be identified as a “notice of default” and to refer specifically to this Section 11(d)); or

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▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

(e) (i) any representation or warranty made in writing by or on behalf of the Company or by any officer of the Company in this Agreement or any writing furnished in connection with the transactions contemplated hereby proves to have been false or incorrect in any material respect on the date as of which made, or (ii) any representation or warranty made in writing by or on behalf of any Subsidiary Guarantor or by any officer of such Subsidiary Guarantor in any Subsidiary Guaranty or any writing furnished in connection with such Subsidiary Guaranty proves to have been false or incorrect in any material respect on the date as of which made; or

(f) (i) the Company or any Subsidiary (A) fails to make any payment when due (whether by scheduled maturity, required prepayment, acceleration, demand, or otherwise) in respect of any Indebtedness or Guarantee (other than Indebtedness hereunder and Indebtedness under Swap Contracts) having an aggregate principal amount of more than the Threshold Amount, or (B) fails to observe or perform any other agreement or condition relating to any such Indebtedness or Guarantee or contained in any instrument or agreement evidencing, securing or relating thereto, or any other event occurs, the effect of which default or other event is to cause, or to permit the holder or holders of such Indebtedness or the beneficiary or beneficiaries of such Guarantee (or a trustee or agent on behalf of such holder or holders or beneficiary or beneficiaries) to cause, with the giving of notice if required, such Indebtedness to be demanded or to become due or to be repurchased, prepaid, defeased or redeemed (automatically or otherwise), or an offer to repurchase, prepay, defease or redeem such Indebtedness to be made, prior to its stated maturity, or such Guarantee to become payable or cash collateral in respect thereof to be demanded; or (ii) there occurs under any Swap Contract an Early Termination Date (as defined in such Swap Contract) resulting from (A) any event of default under such Swap Contract as to which the Company or any Subsidiary is the Defaulting Party (as defined in such Swap Contract) or (B) any Termination Event (as so defined) under such Swap Contract as to which the Company or any Subsidiary is an Affected Party (as so defined) and, in either event, the Swap Termination Value owed by the Borrower or such Subsidiary as a result thereof is greater than the Threshold Amount; or

(g) the Company or any Material Subsidiary (i) is generally not paying, or admits in writing its inability to pay, its debts as they become due, (ii) files, or consents by answer or otherwise to the filing against it of, a petition for relief or reorganization or arrangement or any other petition in bankruptcy, for liquidation or to take advantage of any bankruptcy, insolvency, reorganization, moratorium or other similar law of any jurisdiction, (iii) makes an assignment for the benefit of its creditors, (iv) consents to the appointment of a custodian, receiver, trustee or other officer with similar powers with respect to it or with respect to any substantial part of its property, (v) is adjudicated as insolvent or to be liquidated, or (vi) takes corporate action for the purpose of any of the foregoing; or

(h) a court or other Governmental Authority of competent jurisdiction enters an order appointing, without consent by the Company or any of its Material Subsidiaries, a custodian, receiver, trustee or other officer with similar powers with respect to it or with respect to any substantial part of its property, or constituting an order for relief or approving a petition for relief or reorganization or any other petition in bankruptcy or for liquidation or to take advantage of any bankruptcy or insolvency law of any jurisdiction, or ordering the dissolution, winding-up or liquidation of the Company or any of its Material Subsidiaries, or any such petition shall be filed against the Company or any of its Material Subsidiaries and such petition shall not be dismissed within 60 days; or

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▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

(i) any event occurs with respect to the Company or any Material Subsidiary which under the laws of any jurisdiction is analogous to any of the events described in Section 11(g) or Section 11(h), provided that the applicable grace period, if any, which shall apply shall be the one applicable to the relevant proceeding which most closely corresponds to the proceeding described in Section 11(g) or Section 11(h); or

(j) other than with respect to the Inpex Litigation, one or more final judgments or orders for the payment of money aggregating in excess of the Threshold Amount (to the extent not covered by independent third-party insurance as to which the insurer does not dispute coverage), including any such final order enforcing a binding arbitration decision, are rendered against one or more of the Company and its Subsidiaries and which judgments are not, within 60 days after entry thereof, paid, bonded, discharged or stayed pending appeal, or are not paid or discharged within 60 days after the expiration of such stay; or

(k) if (i) any Plan shall fail to satisfy the minimum funding standards of ERISA or the Code for any plan year or part thereof or a waiver of such standards or extension of any amortization period is sought or granted under section 412 of the Code, (ii) a notice of intent to terminate any Plan shall have been or is reasonably expected to be filed with the PBGC or the PBGC shall have instituted proceedings under ERISA section 4042 to terminate or appoint a trustee to administer any Plan or the PBGC shall have notified the Company or any ERISA Affiliate that a Plan may become a subject of any such proceedings, (iii) there is any “amount of unfunded benefit liabilities” (within the meaning of section 4001(a)(18) of ERISA) under one or more Plans, determined in accordance with Title IV of ERISA, (iv) the aggregate present value of accrued benefit liabilities under all funded Non-U.S. Plans exceeds the aggregate current value of the assets of such Non-U.S. Plans allocable to such liabilities, (v) the Company or any ERISA Affiliate shall have incurred or is reasonably expected to incur any liability pursuant to Title I or IV of ERISA or the penalty or excise tax provisions of the Code relating to employee benefit plans, (vi) the Company or any ERISA Affiliate withdraws from any Multiemployer Plan, (vii) the Company or any Subsidiary establishes or amends any employee welfare benefit plan that provides post-employment welfare benefits in a manner that would increase the liability of the Company or any Subsidiary thereunder, (viii) the Company or any Subsidiary fails to administer or maintain a Non-U.S. Plan in compliance with the requirements of any and all applicable laws, statutes, rules, regulations or court orders or any Non-U.S. Plan is involuntarily terminated or wound up, or (ix) the Company or any Subsidiary becomes subject to the imposition of a financial penalty (which for this purpose shall mean any tax, penalty or other liability, whether by way of indemnity or otherwise) with respect to one or more Non-U.S. Plans; and any such event or events described in clauses (i) through (ix) above, either individually or together with any other such event or events, could reasonably be expected to have a Material Adverse Effect. As used in this Section 11(k), the terms “employee benefit plan” and “employee welfare benefit plan” shall have the respective meanings assigned to such terms in section 3 of ERISA; or

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▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

(l) any Subsidiary Guaranty shall cease to be in full force and effect, any Subsidiary Guarantor or any Person acting on behalf of any Subsidiary Guarantor shall contest in any manner the validity, binding nature or enforceability of any Subsidiary Guaranty, or the obligations of any Subsidiary Guarantor under any Subsidiary Guaranty are not or cease to be legal, valid, binding and enforceable in accordance with the terms of such Subsidiary Guaranty.

SECTION 12. REMEDIES ON DEFAULT, ETC.

Section 12.1. Acceleration. (a) If an Event of Default with respect to the Company described in Section 11(g), (h) or (i) (other than an Event of Default described in clause (i) of Section 11(g) or described in clause (vi) of Section 11(g) by virtue of the fact that such clause encompasses clause (i) of Section 11(g)) has occurred, all the Notes then outstanding shall automatically become immediately due and payable.

(b) If any other Event of Default has occurred and is continuing, the Required Holders may at any time at its or their option, by notice or notices to the Company, declare all the Notes then outstanding to be immediately due and payable.

(c) If any Event of Default described in Section 11(a) or (b) has occurred and is continuing, any holder or holders of Notes at the time outstanding affected by such Event of Default may at any time, at its or their option, by notice or notices to the Company, declare all the Notes held by it or them to be immediately due and payable.

Upon any Notes becoming due and payable under this Section 12.1, whether automatically or by declaration, such Notes will forthwith mature and the entire unpaid principal amount of such Notes, plus (x) all accrued and unpaid interest thereon (including interest accrued thereon at the Default Rate) and (y) the Make-Whole Amount determined in respect of such principal amount with respect to such principal amount, shall all be immediately due and payable, in each and every case without presentment, demand, protest or further notice, all of which are hereby waived. The Company acknowledges, and the parties hereto agree, that each holder of a Note has the right to maintain its investment in the Notes free from repayment by the Company (except as herein specifically provided for) and that the provision for payment of a Make-Whole Amount by the Company in the event that the Notes are prepaid or are accelerated as a result of an Event of Default, is intended to provide compensation for the deprivation of such right under such circumstances.

Section 12.2. Other Remedies. If any Default or Event of Default has occurred and is continuing, and irrespective of whether any Notes have become or have been declared immediately due and payable under Section 12.1, the holder of any Note at the time outstanding may proceed to protect and enforce the rights of such holder by an action at law, suit in equity or other appropriate proceeding, whether for the specific performance of any agreement contained herein or in any Note or Subsidiary Guaranty, or for an injunction against a violation of any of the terms hereof or thereof, or in aid of the exercise of any power granted hereby or thereby or by law or otherwise.

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▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

Section 12.3. Rescission. At any time after any Notes have been declared due and payable pursuant to Section 12.1(b) or (c), the Required Holders, by written notice to the Company, may rescind and annul any such declaration and its consequences if (a) the Company has paid all overdue interest on the Notes, all principal of and Make-Whole Amount, if any, on any Notes that are due and payable and are unpaid other than by reason of such declaration, and all interest on such overdue principal and Make-Whole Amount, if any, and (to the extent permitted by applicable law) any overdue interest in respect of the Notes, at the Default Rate, (b) neither the Company nor any other Person shall have paid any amounts which have become due solely by reason of such declaration, (c) all Events of Default and Defaults, other than non-payment of amounts that have become due solely by reason of such declaration, have been cured or have been waived pursuant to Section 17, and (d) no judgment or decree has been entered for the payment of any monies due pursuant hereto or to the Notes. No rescission and annulment under this Section 12.3 will extend to or affect any subsequent Event of Default or Default or impair any right consequent thereon.

Section 12.4. No Waivers or Election of Remedies, Expenses, Etc. No course of dealing and no delay on the part of any holder of any Note in exercising any right, power or remedy shall operate as a waiver thereof or otherwise prejudice such holder’s rights, powers or remedies. No right, power or remedy conferred by this Agreement, any Subsidiary Guaranty or any Note upon any holder thereof shall be exclusive of any other right, power or remedy referred to herein or therein or now or hereafter available at law, in equity, by statute or otherwise. Without limiting the obligations of the Company under Section 15, the Company will pay to the holder of each Note on demand such further amount as shall be sufficient to cover all costs and expenses of such holder incurred in any enforcement or collection under this Section 12, including reasonable attorneys’ fees, expenses and disbursements.

SECTION 13. REGISTRATION; EXCHANGE; SUBSTITUTION OF NOTES.

Section 13.1. Registration of Notes. The Company shall keep, or shall cause the Paying Agent to keep, at its or its Paying Agent’s principal executive office a register for the registration and registration of transfers of Notes. The name and address of each holder of one or more Notes, each transfer thereof and the name and address of each transferee of one or more Notes shall be registered in such register. If any holder of one or more Notes is a nominee, then (a) the name and address of the beneficial owner of such Note or Notes shall also be registered in such register as an owner and holder thereof and (b) at any such beneficial owner’s option, either such beneficial owner or its nominee may execute any amendment, waiver or consent pursuant to this Agreement. Prior to due presentment for registration of transfer, the Person in whose name any Note shall be registered shall be deemed and treated as the owner and holder thereof for all purposes hereof, and the Company shall not be affected by any notice or knowledge to the contrary. The Company, or shall cause the Paying Agent to, shall give to any holder of a Note that is an Institutional Investor promptly upon request therefor, a complete and correct copy of the names and addresses of all registered holders of Notes.

Section 13.2. Transfer and Exchange of Notes. Upon surrender of any Note to the Paying Agent (or the Company if a Paying Agent has not been designatred) at the address and to the attention of the designated officer (all as specified in Section 18(iii)), for registration of transfer or exchange (and in the case of a surrender for registration of transfer accompanied by a

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▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

written instrument of transfer duly executed by the registered holder of such Note or such holder’s attorney duly authorized in writing and accompanied by the relevant name, address and other information for notices of each transferee of such Note or part thereof), within 10 Business Days thereafter, the Company shall, or shall cause the Paying Agent to execute and deliver, at the Company’s expense (except as provided below), one or more new Notes of the same series (as requested by the holder thereof) in exchange therefor, in an aggregate principal amount equal to the unpaid principal amount of the surrendered Note. Each such new Note shall be payable to such Person as such holder may request and shall be substantially in the form of Exhibit ▇-▇, ▇-▇ and B-3, as appropriate. Each such new Note shall be dated and bear interest from the date to which interest shall have been paid on the surrendered Note or dated the date of the surrendered Note if no interest shall have been paid thereon. The Company may require payment of a sum sufficient to cover any stamp tax or governmental charge imposed in respect of any such transfer of Notes. Notes shall not be transferred in denominations of less than $100,000, provided that if necessary to enable the registration of transfer by a holder of its entire holding of Notes, one Note may be in a denomination of less than $100,000. Any transferee, by its acceptance of a Note registered in its name (or the name of its nominee), shall be deemed to have made the representation set forth in Section 6.2.

Section 13.3. Replacement of Notes. Upon receipt by the Paying Agent (or the Company if a Paying Agent has not been designated) at the address and to the attention of the designated officer (all as specified in Section 18(iii)) of evidence reasonably satisfactory to it of the ownership of and the loss, theft, destruction or mutilation of any Note (which evidence shall be, in the case of an Institutional Investor, notice from such Institutional Investor of such ownership and such loss, theft, destruction or mutilation), and

(a) in the case of loss, theft or destruction, of indemnity reasonably satisfactory to it (provided that if the holder of such Note is, or is a nominee for, an original Purchaser or another holder of a Note with a minimum net worth of at least $50,000,000 or a Qualified Institutional Buyer, such Person’s own unsecured agreement of indemnity shall be deemed to be satisfactory), or

(b) in the case of mutilation, upon surrender and cancellation thereof,

within 10 Business Days thereafter, the Company at its own expense shall, or shall cause the Paying Agent to, execute and deliver, in lieu thereof, a new Note, dated and bearing interest from the date to which interest shall have been paid on such lost, stolen, destroyed or mutilated Note or dated the date of such lost, stolen, destroyed or mutilated Note if no interest shall have been paid thereon.

SECTION 14. PAYMENTS ON NOTES.

Section 14.1. Place of Payment. Subject to Section 14.2, payments of principal, Make-Whole Amount, if any, and interest becoming due and payable on the Notes shall be made in New York, New York at the principal office of the Paying Agent designated by the Company from time to time in writing (or designated by the Paying Agent in writing at the direction of the Company) in such jurisdiction. The Company may at any time, by notice to each holder of a Note, change the place of payment of the Notes so long as such place of payment shall be either the principal office of the Company or the Paying Agent in such jurisdiction or the principal office of a bank or trust company in such jurisdiction.

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▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

Section 14.2. Payment by Wire Transfer. So long as any Purchaser or its nominee shall be the holder of any Note, and notwithstanding anything contained in Section 14.1 or in such Note to the contrary, the Company, or the Paying Agent on its behalf, will pay all sums becoming due on such Note for principal, Make-Whole Amount, if any, interest and all other amounts becoming due hereunder by the method and at the address specified for such purpose below such Purchaser’s name in the Purchaser Schedule, or by such other method or at such other address as such Purchaser shall have from time to time specified to the Company or the Paying Agent in writing for such purpose, without the presentation or surrender of such Note or the making of any notation thereon, except that upon written request of the Company or the Paying Agent made concurrently with or reasonably promptly after payment or prepayment in full of any Note, such Purchaser shall surrender such Note for cancellation, reasonably promptly after any such request, to the Paying Agent at its principal executive office or at the place of payment most recently designated by the Company pursuant to Section 14.1 (or to the Company if a Paying Agent has not been designated). Prior to any sale or other disposition of any Note held by a Purchaser or its nominee, such Purchaser will, at its election, either endorse thereon the amount of principal paid thereon and the last date to which interest has been paid thereon or surrender such Note to the Company in exchange for a new Note or Notes pursuant to Section 13.2. The Company will afford the benefits of this Section 14.2 to any Institutional Investor that is the direct or indirect transferee of any Note purchased by a Purchaser under this Agreement and that has made the same agreement relating to such Note as the Purchasers have made in this Section 14.2.

Section 14.3. FATCA Information. By acceptance of any Note, the holder of such Note agrees that such holder will with reasonable promptness duly complete and deliver to the Company, or to such other Person as may be reasonably requested by the Company including the Paying Agent, from time to time (a) in the case of any such holder that is a United States Person, such holder’s United States tax identification number or other Forms reasonably requested by the Company or the Paying Agent necessary to establish such holder’s status as a United States Person under FATCA and as may otherwise be necessary for the Company or the Paying Agent to comply with its obligations under FATCA or to determine the amount (if any) to deduct and withhold from any such payment made to such holder and (b) in the case of any such holder that is not a United States Person, such documentation prescribed by applicable law (including as prescribed by section 1471(b)(3)(C)(i) of the Code) and such additional documentation as may be necessary for the Company or the Paying Agent to comply with its obligations under FATCA and to determine that such holder has complied with such holder’s obligations under FATCA or to determine the amount (if any) to deduct and withhold from any such payment made to such holder. Nothing in this Section 14.3 shall require any holder to provide information that is confidential or proprietary to such holder unless the Company or the Paying Agent is required to obtain such information under FATCA and, in such event, the Company or the Paying Agent shall treat any such information it receives as confidential.

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▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

SECTION 15. EXPENSES, ETC.

Section 15.1. Transaction Expenses. Whether or not the transactions contemplated hereby are consummated, the Company will pay all reasonable and documented out-of-pocket costs and expenses (which in the case of counsel for the holders of Notes, shall be limited to the reasonable attorneys’ fees of one special counsel and, if reasonably required by the Required Holders, one local or other counsel for the Purchasers) incurred by the Purchasers and each other holder of a Note in connection with such transactions and in connection with any amendments, waivers or consents under or in respect of this Agreement, any Subsidiary Guaranty or the Notes (whether or not such amendment, waiver or consent becomes effective), including: (a) the costs and expenses incurred in enforcing or defending (or determining whether or how to enforce or defend) any rights under this Agreement, any Subsidiary Guaranty or the Notes or in responding to any subpoena or other legal process or informal investigative demand issued in connection with this Agreement, any Subsidiary Guaranty or the Notes, or by reason of being a holder of any Note (except to the extent such defense is due to bad faith, willful misconduct, gross negligence of, or material breach of this Agreement by, such Purchaser, such holder of the Notes or of any of their respective officers, directors, agents, affiliates or employees as determined by a court of final jurisdiction), (b) the costs and expenses, including financial advisors’ fees, incurred in connection with the insolvency or bankruptcy of the Company or any Subsidiary or in connection with any work-out or restructuring of the transactions contemplated hereby and by the Notes and any Subsidiary Guaranty, (c) the costs and expenses incurred in connection with the initial filing of this Agreement and all related documents and financial information with the SVO provided, that such costs and expenses under this clause (c) shall not exceed $5,000 per series of Note, and (d) the costs, expenses, fees and disbursements of any Person (other than the Company) acting as Paying Agent from time to time hereunder, to the extent required by any other agreements solely between the Company and such Paying Agent. If required by the NAIC, the Company shall obtain and maintain at its own cost and expense a Legal Entity Identifier (LEI).

The Company will pay, and will save each Purchaser and each other holder of a Note harmless from, (i) all claims in respect of any fees, costs or expenses, if any, of brokers and finders (other than those, if any, retained by a Purchaser or other holder in connection with its purchase of the Notes), (ii) any and all wire transfer fees that any bank or other financial institution deducts from any payment under such Note to such holder or otherwise charges to a holder of a Note with respect to a payment under such Note and (iii) any judgment, liability, claim, order, decree, fine, penalty, cost, fee, expense (including reasonable and documented out-of-pocket attorneys’ fees and expenses) or obligation resulting from the consummation of the transactions contemplated hereby, including the use of the proceeds of the Notes by the Company (except to the extent such judgment, liability, claim, order, decree, fine, penalty, cost, fee, expense (including reasonable and documented out-of-pocket attorneys’ fees and expenses) or obligation is due to bad faith, willful misconduct, gross negligence of, or material breach of this Agreement by, such Purchaser, such holder of the Notes or of any of their respective officers, directors, agents, affiliates or employees as determined by a court of final jurisdiction).

None of the Company, any of its Subsidiaries, any Purchaser, any holder of any Note or any of their respective affiliates shall have any liability (whether direct or indirect, in contract or tort or otherwise) to any other such party or any of their respective officers, directors, agents, employees, affiliates, equity holders or creditors arising out of, related to or in connection with any aspect of the transactions contemplated hereby, for any special, indirect, consequential or punitive damages.

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▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

Section 15.2. Certain Taxes. The Company, or the Paying Agent on its behalf, agrees to pay all stamp, documentary or similar taxes or fees which may be payable in respect of the execution and delivery or the enforcement of this Agreement or any Subsidiary Guaranty or the execution and delivery (but not the transfer) or the enforcement of any of the Notes in the United States or any other jurisdiction where the Company or any Subsidiary Guarantor has assets or of any amendment of, or waiver or consent under or with respect to, this Agreement or any Subsidiary Guaranty or of any of the Notes, and to pay any value added tax due and payable in respect of reimbursement of costs and expenses by the Company pursuant to this Section 15, and will save each holder of a Note to the extent permitted by applicable law harmless against any loss or liability resulting from nonpayment or delay in payment of any such tax or fee required to be paid by the Company hereunder.

Section 15.3. Survival. The obligations of the Company under this Section 15 will survive the payment or transfer of any Note, the enforcement, amendment or waiver of any provision of this Agreement, any Subsidiary Guaranty or the Notes, and the termination of this Agreement.

SECTION 16. SURVIVAL OF REPRESENTATIONS AND WARRANTIES; ENTIRE AGREEMENT.

All representations and warranties contained herein shall survive the execution and delivery of this Agreement and the Notes, the purchase or transfer by any Purchaser of any Note or portion thereof or interest therein and the payment of any Note, and may be relied upon by any subsequent holder of a Note, regardless of any investigation made at any time by or on behalf of such Purchaser or any other holder of a Note. All statements contained in any certificate or other instrument delivered by or on behalf of the Company pursuant to this Agreement shall be deemed representations and warranties of the Company under this Agreement. Subject to the preceding sentence, this Agreement, the Notes and any Subsidiary Guaranties embody the entire agreement and understanding between each Purchaser and the Company and supersede all prior agreements and understandings relating to the subject matter hereof.

SECTION 17. AMENDMENT AND WAIVER.

Section 17.1. Requirements. This Agreement and the Notes may be amended, and the observance of any term hereof or of the Notes may be waived (either retroactively or prospectively), only with the written consent of the Company and the Required Holders, except that:

(a) no amendment or waiver of any of Sections 1, 2, 3, 4, 5, 6 or 21 hereof, or any defined term (as it is used therein), will be effective as to any Purchaser unless consented to by such Purchaser in writing; and

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▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

(b) no amendment or waiver may, without the written consent of each Purchaser and the holder of each Note at the time outstanding, (i) subject to Section 12 relating to acceleration or rescission, change the amount or time of any prepayment or payment of principal of, or reduce the rate or change the time of payment or method of computation of (x) interest on the Notes or (y) the Make-Whole Amount on any Notes, (ii) change the percentage of the principal amount of the Notes the holders of which are required to consent to any amendment or waiver, or (iii) amend any of Sections 8 (except as set forth in the second sentence of Section 8.2), 11(a), 11(b), 12, 17 or 20.

Section 17.2. Solicitation of Holders of Notes.

(a) Solicitation. The Company will provide each holder of a Note with sufficient information, sufficiently far in advance of the date a decision is required, to enable such holder to make an informed and considered decision with respect to any proposed amendment, waiver or consent in respect of any of the provisions hereof or of the Notes or any Subsidiary Guaranty. The Company will deliver executed or true and correct copies of each amendment, waiver or consent effected pursuant to this Section 17 or any Subsidiary Guaranty to each holder of a Note promptly following the date on which it is executed and delivered by, or receives the consent or approval of, the requisite holders of Notes.

(b) Payment. The Company will not directly or indirectly pay or cause to be paid any remuneration, whether by way of supplemental or additional interest, fee or otherwise, or grant any security or provide other credit support, to any holder of a Note as consideration for or as an inducement to the entering into by such holder of any waiver or amendment of any of the terms and provisions hereof or of any Subsidiary Guaranty or any Note unless such remuneration is concurrently paid, or security is concurrently granted or other credit support concurrently provided, on the same terms, ratably to each holder of a Note even if such holder did not consent to such waiver or amendment.

(c) Consent in Contemplation of Transfer. Any consent given pursuant to this Section 17 or any Subsidiary Guaranty by a holder of a Note that has transferred or has agreed to transfer its Note to (i) the Company, (ii) any Subsidiary or any other Affiliate or (iii) any other Person in connection with, or in anticipation of, such other Person acquiring, making a tender offer for or merging with the Company and/or any of its Affiliates, in each case in connection with such consent, shall be void and of no force or effect except solely as to such holder, and any amendments effected or waivers granted or to be effected or granted that would not have been or would not be so effected or granted but for such consent (and the consents of all other holders of Notes that were acquired under the same or similar conditions) shall be void and of no force or effect except solely as to such holder.

Section 17.3. Binding Effect, Etc. Any amendment or waiver consented to as provided in this Section 17 or any Subsidiary Guaranty applies equally to all holders of Notes and is binding upon them and upon each future holder of any Note and upon the Company without regard to whether such Note has been marked to indicate such amendment or waiver. No such amendment or waiver will extend to or affect any obligation, covenant, agreement, Default or Event of Default not expressly amended or waived or impair any right consequent thereon. No course of dealing between the Company and any holder of a Note and no delay in exercising any rights hereunder or under any Note or Subsidiary Guaranty shall operate as a waiver of any rights of any holder of such Note.

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▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

Section 17.4. Notes Held by Company, Etc. Solely for the purpose of determining whether the holders of the requisite percentage of the aggregate principal amount of Notes then outstanding approved or consented to any amendment, waiver or consent to be given under this Agreement, any Subsidiary Guaranty or the Notes, or have directed the taking of any action provided herein or in any Subsidiary Guaranty or the Notes to be taken upon the direction of the holders of a specified percentage of the aggregate principal amount of Notes then outstanding, Notes directly or indirectly owned by the Company or any of its Affiliates shall be deemed not to be outstanding.

SECTION 18. NOTICES.

Except to the extent otherwise provided in Section 7.4, all notices and communications provided for hereunder shall be in writing and sent (a) by telecopy if the sender on the same day sends a confirming copy of such notice by an internationally recognized overnight delivery service (charges prepaid), or (b) by registered or certified mail with return receipt requested (postage prepaid), or (c) by an internationally recognized overnight delivery service (charges prepaid). Any such notice must be sent:

(i) if to any Purchaser or its nominee, to such Purchaser or nominee at the address specified for such communications in the Purchaser Schedule, or at such other address as such Purchaser or nominee shall have specified to the Company in writing,

(ii) if to any other holder of any Note, to such holder at such address as such other holder shall have specified to the Company in writing, or

(iii) if to the Company, to the Company at its address set forth at the beginning hereof to the attention of the Chief Financial Officer, with one copy (which shall on its own not constitute notice) to the Company’s General Counsel and another copy to the Paying Agent, if one has been designated, at the address specified from time to time in writing by the Company (or the Paying Agent at the direction of the Company), or at such other address as the Company shall have specified to the holder of each Note in writing.

Notices under this Section 18 will be deemed given only when actually received.

SECTION 19. REPRODUCTION OF DOCUMENTS.

This Agreement and all documents relating thereto, including (a) consents, waivers and modifications that may hereafter be executed, (b) documents received by any Purchaser at the Closing (except the Notes themselves), and (c) financial statements, certificates and other information previously or hereafter furnished to any Purchaser, may be reproduced by such Purchaser by any photographic, photostatic, electronic, digital, or other similar process and such Purchaser may destroy any original document so reproduced. The Company agrees and stipulates that, to the extent permitted by applicable law, any such reproduction shall be admissible in evidence as the original itself in any judicial or administrative proceeding (whether or not the original is in existence and whether or not such reproduction was made by such Purchaser in the regular course of business) and any enlargement, facsimile or further

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▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

reproduction of such reproduction shall likewise be admissible in evidence. This Section 19 shall not prohibit the Company or any other holder of Notes from contesting any such reproduction to the same extent that it could contest the original, or from introducing evidence to demonstrate the inaccuracy of any such reproduction.

SECTION 20. CONFIDENTIAL INFORMATION.

For the purposes of this Section 20, “Confidential Information” means information delivered to any Purchaser by or on behalf of the Company or any Subsidiary in connection with the transactions contemplated by or otherwise pursuant to this Agreement that was clearly marked or labeled or otherwise adequately identified when received by such Purchaser as being confidential information of the Company or such Subsidiary, provided that such term does not include information that (a) was publicly known or otherwise known to such Purchaser prior to the time of such disclosure, (b) subsequently becomes publicly known through no act or omission by such Purchaser or any Person acting on such Purchaser’s behalf, (c) otherwise becomes known to such Purchaser other than through disclosure by the Company or any Subsidiary or (d) constitutes financial statements delivered to such Purchaser under Section 7.1 that are otherwise publicly available. Each Purchaser will maintain the confidentiality of such Confidential Information in accordance with procedures adopted by such Purchaser in good faith to protect confidential information of third parties delivered to such Purchaser, provided that such Purchaser may deliver or disclose Confidential Information to (i) its directors, officers, employees, agents, attorneys, trustees and affiliates (to the extent such disclosure reasonably relates to the administration of the investment represented by its Notes), (ii) its auditors, financial advisors and other professional advisors who agree to hold confidential the Confidential Information substantially in accordance with this Section 20, (iii) any other holder of any Note, (iv) any Institutional Investor to which it sells or offers to sell such Note or any part thereof or any participation therein (if such Person has agreed in writing prior to its receipt of such Confidential Information to be bound by this Section 20), (v) any Person from which it offers to purchase any Security of the Company (if such Person has agreed in writing prior to its receipt of such Confidential Information to be bound by this Section 20), (vi) any federal or state regulatory authority having jurisdiction over such Purchaser, (vii) the NAIC or the SVO or, in each case, any similar organization, or any nationally recognized rating agency that requires access to information about such Purchaser’s investment portfolio, or (viii) any other Person to which such delivery or disclosure may be necessary or appropriate (w) to effect compliance with any law, rule, regulation or order applicable to such Purchaser, (x) in response to any subpoena or other legal process, (y) in connection with any litigation to which such Purchaser is a party or (z) if an Event of Default has occurred and is continuing, to the extent such Purchaser may reasonably determine such delivery and disclosure to be necessary or appropriate in the enforcement or for the protection of the rights and remedies under such Purchaser’s Notes, this Agreement or any Subsidiary Guaranty. Each holder of a Note, by its acceptance of a Note, will be deemed to have agreed to be bound by and to be entitled to the benefits of this Section 20 as though it were a party to this Agreement. On reasonable request by the Company in connection with the delivery to any holder of a Note of information required to be delivered to such holder under this Agreement or requested by such holder (other than a holder that is a party to this Agreement or its nominee), such holder will enter into an agreement with the Company embodying this Section 20.

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▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

In the event that as a condition to receiving access to information relating to the Company or its Subsidiaries in connection with the transactions contemplated by or otherwise pursuant to this Agreement, any Purchaser or holder of a Note is required to agree to a confidentiality undertaking (whether through IntraLinks, another secure website, a secure virtual workspace or otherwise) which is inconsistent from this Section 20, this Section 20 shall not be amended thereby and, as between such Purchaser or such holder and the Company, this Section 20 shall supersede any such other confidentiality undertaking.

SECTION 21. SUBSTITUTION OF PURCHASER.

Each Purchaser shall have the right to substitute any one of its Affiliates or another Purchaser or any one of such other Purchaser’s Affiliates (a “Substitute Purchaser”) as the purchaser of the Notes that it has agreed to purchase hereunder, by written notice to the Company and the Paying Agent, which notice shall be signed by both such Purchaser and such Substitute Purchaser, shall contain such Substitute Purchaser’s agreement to be bound by this Agreement and shall contain a confirmation by such Substitute Purchaser of the accuracy with respect to it of the representations set forth in Section 6. Upon receipt of such notice, any reference to such Purchaser in this Agreement (other than in this Section 21), shall be deemed to refer to such Substitute Purchaser in lieu of such original Purchaser. In the event that such Substitute Purchaser is so substituted as a Purchaser hereunder and such Substitute Purchaser thereafter transfers to such original Purchaser all of the Notes then held by such Substitute Purchaser, upon receipt by the Paying Agent (or by the Company if a Paying Agent has not been designated) of notice of such transfer, any reference to such Substitute Purchaser as a “Purchaser” in this Agreement (other than in this Section 21), shall no longer be deemed to refer to such Substitute Purchaser, but shall refer to such original Purchaser, and such original Purchaser shall again have all the rights and obligations of an original holder of the Notes under this Agreement.

SECTION 22. MISCELLANEOUS.

Section 22.1. Successors and Assigns. All covenants and other agreements contained in this Agreement by or on behalf of any of the parties hereto bind and inure to the benefit of their respective successors and assigns (including any subsequent holder of a Note) whether so expressed or not, except that, subject to Section 10.2, the Company may not assign or otherwise transfer any of its rights or obligations hereunder or under the Notes without the prior written consent of each holder. Nothing in this Agreement, expressed or implied, shall be construed to confer upon any Person (other than the parties hereto and their respective successors and assigns permitted hereby) any legal or equitable right, remedy or claim under or by reason of this Agreement.

Section 22.2. Accounting Terms. (a) All accounting terms used herein which are not expressly defined in this Agreement have the meanings respectively given to them in accordance with GAAP. Except as otherwise specifically provided herein, (i) all computations made pursuant to this Agreement shall be made in accordance with GAAP, and (ii) all financial statements shall be prepared in accordance with GAAP. For purposes of determining compliance with this Agreement (including Section 9, Section 10 and the definition of “Indebtedness”), any election by the Company to measure any financial liability using fair value

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▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

(as permitted by Financial Accounting Standards Board Accounting Standards Codification Topic No. ▇▇▇-▇▇-▇▇ – Fair Value Option, International Accounting Standard 39 – Financial Instruments: Recognition and Measurement or any similar accounting standard) shall be disregarded and such determination shall be made as if such election had not been made. Without limiting the foregoing, leases shall continue to be classified and accounted for on a basis consistent with that reflected in the audited financial statements for all purposes of this Agreement, notwithstanding any change in GAAP relating thereto, unless the parties hereto shall enter into a mutually acceptable amendment addressing such changes, as provided for above.

(b) Changes in GAAP. If at any time any change in GAAP would affect the computation of any financial ratio or requirement set forth in this Agreement, and either the Company or the Required Holders shall so request, the holders of Notes and the Company shall negotiate in good faith to amend such ratio or requirement to preserve the original intent thereof in light of such change in GAAP (subject to the approval of the Required Holders); provided that, until so amended, (i) such ratio or requirement shall continue to be computed in accordance with GAAP prior to such change therein and (ii) the Company shall provide to the holders of Notes financial statements and other documents required under this Agreement or as reasonably requested hereunder setting forth a reconciliation between calculations of such ratio or requirement made before and after giving effect to such change in GAAP.

Section 22.3. Severability. Any provision of this Agreement that is prohibited or unenforceable in any jurisdiction shall, as to such jurisdiction, be ineffective to the extent of such prohibition or unenforceability without invalidating the remaining provisions hereof, and any such prohibition or unenforceability in any jurisdiction shall (to the full extent permitted by law) not invalidate or render unenforceable such provision in any other jurisdiction.

Section 22.4. Construction, Etc. Each covenant contained herein shall be construed (absent express provision to the contrary) as being independent of each other covenant contained herein, so that compliance with any one covenant shall not (absent such an express contrary provision) be deemed to excuse compliance with any other covenant. Where any provision herein refers to action to be taken by any Person, or which such Person is prohibited from taking, such provision shall be applicable whether such action is taken directly or indirectly by such Person.

Defined terms herein shall apply equally to the singular and plural forms of the terms defined. Whenever the context may require, any pronoun shall include the corresponding masculine, feminine and neuter forms. The words “include,” “includes” and “including” shall be deemed to be followed by the phrase “without limitation.” The word “will” shall be construed to have the same meaning and effect as the word “shall.” Unless the context requires otherwise (a) any definition of or reference to any agreement, instrument or other document herein shall be construed as referring to such agreement, instrument or other document as from time to time amended, supplemented or otherwise modified (subject to any restrictions on such amendments, supplements or modifications set forth herein) and, for purposes of the Notes, shall also include any such notes issued in substitution therefor pursuant to Section 13, (b) subject to Section 22.1, any reference herein to any Person shall be construed to include such Person’s successors and assigns, (c) the words “herein,” “hereof” and “hereunder,” and words of similar import, shall be construed to refer to this Agreement in its entirety and not to any particular provision hereof, (d) all references herein to Sections, Exhibits and Schedules shall be construed to refer to Sections of, Exhibits to and Schedules to, this Agreement, and (e) any reference to any law or regulation herein shall, unless otherwise specified, refer to such law or regulation as amended, modified or supplemented from time to time.

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▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

Section 22.5. Counterparts. This Agreement may be executed in any number of counterparts, each of which shall be an original but all of which together shall constitute one instrument. Each counterpart may consist of a number of copies hereof, each signed by less than all, but together signed by all, of the parties hereto.

Section 22.6. Paying Agent. The Company designates and appoints the Paying Agent to act as registrar and paying agent on its behalf in connection with the Notes. Any notice, payment or other delivery to be made by the Company in accordance with this Agreement may be made by the Paying Agent on behalf of the Company. The Company may appoint and change any Paying Agent in its sole discretion; provided that the Company shall provide written notice of such appointment or change to the holders of the Notes.

Section 22.7. Governing Law. This Agreement shall be construed and enforced in accordance with, and the rights of the parties shall be governed by, the law of the State of New York excluding choice-of-law principles of the law of such State that would permit the application of the laws of a jurisdiction other than such State.

Section 22.8. Jurisdiction and Process; Waiver of Jury Trial. (a) The Company irrevocably submits to the non-exclusive jurisdiction of any New York State or federal court sitting in the Borough of Manhattan, The City of New York, over any suit, action or proceeding arising out of or relating to this Agreement or the Notes. To the fullest extent permitted by applicable law, the Company irrevocably waives and agrees not to assert, by way of motion, as a defense or otherwise, any claim that it is not subject to the jurisdiction of any such court, any objection that it may now or hereafter have to the laying of the venue of any such suit, action or proceeding brought in any such court and any claim that any such suit, action or proceeding brought in any such court has been brought in an inconvenient forum.

(b) The Company agrees, to the fullest extent permitted by applicable law, that a final judgment in any suit, action or proceeding of the nature referred to in Section 22.8(a) brought in any such court shall be conclusive and binding upon it subject to rights of appeal, as the case may be, and may be enforced in the courts of the United States of America or the State of New York (or any other courts to the jurisdiction of which it or any of its assets is or may be subject) by a suit upon such judgment.

(c) The Company consents to process being served by or on behalf of any holder of Notes in any suit, action or proceeding of the nature referred to in Section 22.8(a) by mailing a copy thereof by registered, certified, priority or express mail (or any substantially similar form of mail), postage prepaid, return receipt or delivery confirmation requested, to it at its address specified in Section 18 or at such other address of which such holder shall then have been notified pursuant to said Section. The Company agrees that such service upon receipt (i) shall be deemed in every respect effective service of process upon it in any such suit, action or proceeding and (ii) shall, to the fullest extent permitted by applicable law, be taken and held to be valid personal service upon and personal delivery to it. Notices hereunder shall be conclusively presumed received as evidenced by a delivery receipt furnished by the United States Postal Service or any reputable commercial delivery service.

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▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

(d) Nothing in this Section 22.8 shall affect the right of any holder of a Note to serve process in any manner permitted by law, or limit any right that the holders of any of the Notes may have to bring proceedings against the Company in the courts of any appropriate jurisdiction or to enforce in any lawful manner a judgment obtained in one jurisdiction in any other jurisdiction.

(e) THE PARTIES HERETO HEREBY WAIVE TRIAL BY JURY IN ANY ACTION BROUGHT ON OR WITH RESPECT TO THIS AGREEMENT, THE NOTES OR ANY OTHER DOCUMENT EXECUTED IN CONNECTION HEREWITH OR THEREWITH.

* * * * *

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If you are in agreement with the foregoing, please sign the form of agreement on a counterpart of this Agreement and return it to the Company, whereupon this Agreement shall become a binding agreement between you and the Company.


Very truly yours, ▇▇▇▇▇▇ ENGINEERING GROUP INC.
Very truly yours, ▇▇▇▇▇▇ ENGINEERING GROUP INC.
By		/s/ ▇▇▇▇▇ ▇▇▇▇▇▇▇▇
		Name: ▇▇▇▇▇ ▇▇▇▇▇▇▇▇
		Title: Chief Financial Officer


▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

This Agreement is hereby

accepted and agreed to as

of the date hereof.


METROPOLITAN LIFE INSURANCE COMPANY
GENERAL AMERICAN LIFE INSURANCE COMPANY by Metropolitan Life Insurance Company, its Investment Manager
By:		/s/ ▇▇▇▇ ▇. ▇▇▇▇▇
		Name: ▇▇▇▇ ▇. ▇▇▇▇▇
		Title: Senior Vice President and
Managing Director
BRIGHTHOUSE LIFE INSURANCE COMPANY by MetLife Investment Advisors, LLC, Its Investment Manager
BRIGHTHOUSE LIFE INSURANCE COMPANY OF NY by MetLife Investment Advisors, LLC, Its Investment Manager
By:		/s/ ▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇
		Name: ▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇
		Title: Managing Director


▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement


EMPLOYERS REASSURANCE CORPORATION by MetLife Investment Advisors, LLC, Its Investment Adviser
TRANSATLANTIC REINSURANCE COMPANY by MetLife Investment Advisors, LLC, Its Investment Manager
By:		/s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇
		Name: ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇
		Title: Managing Director


▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

This Agreement is hereby

accepted and agreed to as

of the date hereof.


SYMETRA LIFE INSURANCE COMPANY by MetLife Investment Advisors, LLC, Its Investment Manager ZURICH AMERICAN INSURANCE COMPANY by MetLife Investment Advisors, LLC, Its Investment Manager PENSION AND SAVINGS COMMITTEE, ON BEHALF OF THE ZURICH AMERICAN INSURANCE COMPANY MASTER RETIREMENT TRUST by MetLife Investment Advisors, LLC, Its Investment Manager FARMERS NEW WORLD LIFE INSURANCE COMPANY by MetLife Investment Advisors, LLC, Its Investment Manager



By:		/s/ ▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇
		Name: ▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇
		Title: Managing Director


▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

This Agreement is hereby

accepted and agreed to as

of the date hereof.


STATE FARM LIFE INSURANCE COMPANY
By		/s/ ▇▇▇▇▇ ▇▇▇▇▇
		Name: ▇▇▇▇▇ ▇▇▇▇▇
		Title: Investment Executive
By		/s/ ▇▇▇▇▇▇▇ ▇▇▇▇▇▇▇
		Name: ▇▇▇▇▇▇▇ ▇▇▇▇▇▇▇
		Title: Investment Professional
STATE FARM LIFE AND ACCIDENT ASSURANCE COMPANY
By		/s/ ▇▇▇▇▇ ▇▇▇▇▇
		Name: ▇▇▇▇▇ ▇▇▇▇▇
		Title: Investment Executive
By		/s/ ▇▇▇▇▇▇▇ ▇▇▇▇▇▇▇
		Name: ▇▇▇▇▇▇▇ ▇▇▇▇▇▇▇
		Title: Investment Professional


▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

This Agreement is hereby

accepted and agreed to as

of the date hereof.


TRANSAMERICA FINANCIAL LIFE INSURANCE COMPANY
By:		AEGON USA Investment Management, LLC, its investment manager
By		/s/ ▇▇▇▇▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇
		Name: ▇▇▇▇▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇
		Title: Vice President
TRANSAMERICA PREMIER LIFE INSURANCE COMPANY
By:		AEGON USA Investment Management, LLC, its investment manager
By		/s/ ▇▇▇▇▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇
		Name: ▇▇▇▇▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇
		Title: Vice President
TRANSAMERICA LIFE INSURANCE COMPANY
By:		AEGON USA Investment Management, LLC, its investment manager
By		/s/ ▇▇▇▇▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇
		Name: ▇▇▇▇▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇
		Title: Vice President
TRANSAMERICA CASUALTY INSURANCE COMPANY
By:		AEGON USA Investment Management, LLC, its investment manager
By		/s/ ▇▇▇▇▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇
		Name: ▇▇▇▇▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇
		Title: Vice President


▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

This Agreement is hereby

accepted and agreed to as

of the date hereof.


UNUM LIFE INSURANCE COMPANY OF AMERICA By: Provident Investment Management, LLC

Its: Agent
By:		/s/ ▇▇▇ ▇▇▇▇▇
		Name: ▇▇▇ ▇▇▇▇▇
		Title: Vice President, Senior Managing Director


▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

This Agreement is hereby

accepted and agreed to as

of the date hereof.


PRINCIPAL LIFE INSURANCE COMPANY

By:		Principal Global Investors, LLC a Delaware limited liability company, its authorized signatory

By:		/s/ ▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇
Name: ▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇
Title: Portfolio Manager

By:		/s/ ▇▇▇▇▇▇ ▇▇▇▇▇
Name: ▇▇▇▇▇▇ ▇▇▇▇▇
Title: Portfolio Manager


▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

This Agreement is hereby

accepted and agreed to as

of the date hereof.


AMERICAN EQUITY INVESTMENT LIFE INSURANCE COMPANY

By:		/s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇
		Name: ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇
		Title: Authorized Signatory

EAGLE LIFE INSURANCE COMPANY

By:		/s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇
		Name: ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇
		Title: Authorized Signatory


▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

This Agreement is hereby

accepted and agreed to as

of the date hereof.


AMERICAN UNITED LIFE INSURANCE COMPANY

By		/s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇▇
Name: ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇▇
Title: VP, Fixed Income Securities

THE STATE LIFE INSURANCE COMPANY
By: American United Life Insurance Company
Its: Agent

By		/s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇▇
Name: ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇▇
Title: VP, Fixed Income Securities

UNITED FARM FAMILY LIFE INSURANCE COMPANY
By: American United Life Insurance Company
Its: Agent

By		/s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇▇
Name: ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇▇
Title: VP, Fixed Income Securities


▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

This Agreement is hereby

accepted and agreed to as

of the date hereof.


GENWORTH MORTGAGE INSURANCE CORPORATION

By:		/s/ ▇▇▇▇▇▇ ▇ ▇▇▇▇
		Name: ▇▇▇▇▇▇ ▇ ▇▇▇▇
		Title: Investment Officer

GENWORTH LIFE INSURANCE COMPANY

By:		/s/ ▇▇▇▇▇▇ ▇ ▇▇▇▇
		Name: ▇▇▇▇▇▇ ▇ ▇▇▇▇
		Title: Investment Officer

GENWORTH LIFE AND ANNUITY INSURANCE COMPANY

By:		/s/ ▇▇▇▇▇▇ ▇ ▇▇▇▇
		Name: ▇▇▇▇▇▇ ▇ ▇▇▇▇
		Title: Investment Officer


▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

This Agreement is hereby

accepted and agreed to as

of the date hereof.


STATE OF WISCONSIN INVESTMENT BOARD

By:		/s/ ▇▇▇▇▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇▇▇
		Name: ▇▇▇▇▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇▇▇
		Title: Portfolio Manager


▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

This Agreement is hereby

accepted and agreed to as

of the date hereof.


THE STANDARD FIRE INSURANCE COMPANY

By:		/s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇
Name:		▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇
Title:		Executive Vice President

ST. ▇▇▇▇ FIRE AND MARINE INSURANCE COMPANY

By:		/s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇
Name:		▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇
Title:		Executive Vice President


▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

This Agreement is hereby

accepted and agreed to as

of the date hereof.


RGA REINSURANCE COMPANY

By:		/s/ ▇▇▇ ▇▇▇▇▇▇
Name:		▇▇▇ ▇▇▇▇▇▇
Title:		VICE PRESIDENT


▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

This Agreement is hereby

accepted and agreed to as

of the date hereof.


MODERN WOODMEN OF AMERICA

By		/s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇
		Name: ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇
		Title: Group Head – Private Placements


▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

This Agreement is hereby

accepted and agreed to as

of the date hereof.


AMERITAS LIFE INSURANCE CORP.
AMERITAS LIFE INSURANCE CORP. OF NEW YORK
By:		Ameritas Investment Partners Inc., as Agent

By:		/s/ ▇▇▇▇ ▇▇▇▇▇
		Name: ▇▇▇▇ ▇▇▇▇▇
		Title: Vice President and Managing Director


▇▇▇▇▇▇ Engineering Group Inc.		Note Purchase Agreement

This Agreement is hereby

accepted and agreed to as

of the date hereof.


SOUTHERN FARM BUREAU LIFE INSURANCE COMPANY

By:		/s/ ▇▇▇▇▇ ▇▇▇▇▇▇
		Name: ▇▇▇▇▇ ▇▇▇▇▇▇
		Title: Senior Portfolio Manager

DEFINED TERMS

As used herein, the following terms have the respective meanings set forth below or set forth in the Section hereof following such term:

“Acquisition” means any transaction or series of related transactions for the purpose of or resulting, directly or indirectly, in (a) the acquisition of all or substantially all of the assets of a Person, or of any business or division of a Person, (b) the acquisition of in excess of 50% of the capital stock, partnership interests, membership interests or equity of any Person, or otherwise causing any Person to become a Subsidiary, or (c) a merger or consolidation or any other combination with another Person (other than a Person that is a Subsidiary of the Company).

“Affiliate” means, at any time, and with respect to any specified Person, another Person that directly, or indirectly through one or more intermediaries, Controls or is Controlled by or is under common Control with the Person specified.

“Agreement” means this Note Purchase Agreement, including all Exhibits and Schedules attached to this Agreement.

“Anti-Corruption Laws” means any law or regulation in a U.S. or any non-U.S. jurisdiction regarding bribery or any other corrupt activity, including the U.S. Foreign Corrupt Practices Act and the U.K. ▇▇▇▇▇▇▇ ▇▇▇ ▇▇▇▇.

“Anti-Money Laundering Laws” means any law or regulation in a U.S. or any non-U.S. jurisdiction regarding money laundering, drug trafficking, terrorist-related activities or other money laundering predicate crimes, including the Currency and Foreign Transactions Reporting Act of 1970 (otherwise known as the Bank Secrecy Act) and the USA PATRIOT Act.

“Attributable Indebtedness” means, on any date, (a) in respect of any capital lease of any Person, the capitalized amount thereof that would appear on a balance sheet of such Person prepared as of such date in accordance with GAAP, (b) in respect of any Synthetic Lease Obligation, the capitalized amount of the remaining lease payments under the relevant lease that would appear on a balance sheet of such Person prepared as of such date in accordance with GAAP if such lease were accounted for as a capital lease, and (c) in respect of any Permitted Securitization, an amount equal to (i) the outstanding principal amount of Indebtedness incurred at such time by the Securitization Subsidiary, or (ii) if the Securitization Subsidiary has incurred no such Indebtedness, the unrecovered purchase price of all Permitted Receivables (or interest therein) sold or transferred by such Securitization Subsidiary to the conduit entity or other receivables credit provider relating to such Permitted Securitization.

“Blocked Person” means (a) a Person whose name appears on the list of Specially Designated Nationals and Blocked Persons published by OFAC, (b) a Person, entity, organization, country or regime that is blocked or a target of sanctions that have been imposed under U.S. Economic Sanctions Laws or (c) a Person that is an agent, department or instrumentality of, or is otherwise beneficially owned by, controlled by or acting on behalf of, directly or indirectly, any Person, entity, organization, country or regime described in clause (a) or (b).

EXHIBIT A

(to Note Purchase Agreement)

“Business Day” means for the purposes of any other provision of this Agreement, any day other than a Saturday, a Sunday or a day on which commercial banks in New York, New York are required or authorized to be closed.

“Calculation Date” is defined in Section 1.2(b).

“CH2M” means CH2M Hill Companies, Ltd., a Delaware corporation.

“CH2M Acquisition Agreement” means the Agreement and Plan of Merger, dated as of August 1, 2017, between the Company, CH2M and Basketball Merger Sub Inc.

“CH2M Closing Date” means December 15, 2017.

“Change of Control” means, with respect to the Company, an event or series of related events by which any “person” or “group” (as such terms are used in Sections 13(d) and 14(d) of the Securities Exchange Act of 1934, but excluding any employee benefit plan of such person or its subsidiaries, and any person or entity acting in its capacity as trustee, agent or other fiduciary or administrator of any such plan) becomes the “beneficial owner” (as defined in Rules 13d-3 and 13d-5 under the Securities Exchange Act of 1934), directly or indirectly, of 35% or more of the equity securities of the Company ordinarily entitled to vote for members of the board of directors or equivalent governing body of the Company, on a fully-diluted basis.

“Change of Control Notice” is defined in Section 8.8(a).

“Closing” is defined in Section 3.

“Code” means the Internal Revenue Code of 1986 and the rules and regulations promulgated thereunder from time to time.

“Company” is defined in the first paragraph of this Agreement.

“Confidential Information” is defined in Section 20.

“Consolidated Net Income” means, for any period, the consolidated net income of the Company and its Subsidiaries as determined in accordance with GAAP.

“Consolidated EBITDA” means, for any period, an amount determined for the Company and its Subsidiaries on a consolidated basis equal to:

(a) Consolidated Net Income for such period, plus,

(b) the following to the extent deducted in calculating such Consolidated Net Income, the sum, without duplication, of amounts for:

A-2

(i) Consolidated Interest Charges,

(ii) the provision for Federal, state, local and foreign income taxes payable by the Company and its Subsidiaries,

(iii) depreciation and amortization,

(iv) any extraordinary, unusual, infrequent or non-recurring losses,

(v) (i) any costs, charges, accruals, reserves or expenses attributable to the undertaking and/or implementation of cost savings, operating expense reductions, restructuring, severance, business optimization, integration, transition, decommissioning, lease termination payments, consolidation and other restructuring costs, charges, accruals, reserves or expenses in an amount not to exceed with respect to any four-fiscal quarter period the last quarter of which is the first, second, third or fourth full fiscal quarter after the CH2M Acquisition Closing Date (or the first partial quarter after the CH2M Acquisition Closing Date), (x) $200,000,000 in the aggregate in respect of any such cash costs, charges, accruals, reserves or expenses attributable to the Company and its Subsidiaries (other than CH2M and its Subsidiaries) and (y) $200,000,000 in the aggregate in respect any such cash costs, charges, accruals, reserves or expenses attributable to CH2M and its Subsidiaries, and

(ii) any restructuring costs, charges, accruals, reserves or expenses attributable to the undertaking and/or implementation of cost savings, operating expense reductions, restructuring, severance, integration, transition, lease termination payments, consolidation and other restructuring costs, charges, accruals, reserves or expenses in an amount not to exceed with respect to any four-fiscal quarter period the last quarter of which is subsequent to the fourth full fiscal quarter after the CH2M Acquisition Closing Date, the greater of (x) 10% of Consolidated EBITDA (calculated prior to giving effect to any adjustment pursuant to this clause) and (y) $100,000,000, in the aggregate in respect any such cash costs, charges, accruals, reserves or expenses attributable to the Company and its Subsidiaries (including CH2M and its Subsidiaries); provided that

for the avoidance of doubt and without duplication, when calculating any amounts under this clause (v) with respect to the four-fiscal quarter period the last quarter of which is the fifth, sixth and seventh full fiscal quarters after the CH2M Acquisition Closing Date, any such cost, charge, accrual, reserve or expense incurred in the second, third or fourth full fiscal quarters after the CH2M Acquisition Closing Date (whether or not in respect of CH2M and its Subsidiaries) shall be subject to, together with any additional cost, charge, accrual, reserve or expense incurred in the applicable four-fiscal quarter period, the caps set forth in clause (v)(ii) above without regard for the caps set forth in clause (v)(i) above,

A-3

(vi) fees and expenses in connection with the CH2M Acquisition and the related transactions contemplated by the CH2M Acquisition Agreement (including the fees and expenses related to or in connection with the Material Credit Facilities),

(vii) fees and expenses incurred during such period in connection with any proposed or actual equity issuance or any proposed or actual issuance or incurrence of any Indebtedness, or any proposed or actual Acquisitions, Investments or Dispositions, including any financing fees and any merger and acquisition fees,

(viii) any losses during such period resulting from the sale or Disposition of any assets of, or the discontinuation of any operations of, in each case, the Company or any Subsidiary,

(ix) non-cash charges and expenses that are either (a) related to stock option awards or other equity compensation, (b) in connection with any Acquisition, Investment or Disposition or (c) impairment charges,

(x) any other non-cash charges or expenses (provided, that any cash payment made with respect to any such non-cash charge shall be subtracted in computing Consolidated EBITDA during the period in which such cash payment is made),

(xi) fees and expenses related to this Agreement, the Notes, and the transactions contemplated thereby, and

(xii) any cash or non-cash charges related to project losses in an aggregate amount not to exceed $50,000,000 for the twelve-month period following the CH2M Acquisition Closing Date, minus

(c) without duplication and to the extent included in arriving at such Consolidated Net Income, any extraordinary, unusual, infrequent or non-recurring gains for such period;

provided, however, that if there has occurred a Permitted Acquisition, Investment or Disposition during the relevant period, Consolidated EBITDA shall be calculated, at the option of the Company, on a pro forma basis after giving effect to such Permitted Acquisition, Investment or Disposition as if such Permitted Acquisition, Investment or Disposition occurred on the first day of such period, and provided, further, that Consolidated EBITDA may, at the option of the Company, be further adjusted for any pro forma adjustments that are made in accordance with the SEC pro forma reporting rules under the Securities Exchange Act of 1934.

“Consolidated Funded Indebtedness” means, as of any date of determination, for the Company and its Subsidiaries on a consolidated basis, the sum of (a) the outstanding principal amount of all obligations, whether current or long-term, for borrowed money (including obligations hereunder) and the outstanding principal amount of all obligations evidenced by bonds, debentures, notes, loan agreements or other similar instruments, (b) all purchase money Indebtedness, (c) all direct obligations arising under letters of credit (including standby and

A-4

commercial letters of credit, bankers’ acceptances, bank guaranties, surety bonds and similar instruments (except as provided below)), (d) all obligations in respect of the deferred purchase price of property or services (other than (i) trade accounts payable and accrued liabilities incurred in the ordinary course of business, (ii) deferred compensation and (iii) any contingent earn-out obligation related to an Acquisition or Investment permitted hereunder), (e) Attributable Indebtedness in respect of capital leases, Synthetic Lease Obligations and Permitted Securitizations, (f) without duplication, all Guarantees with respect to outstanding Indebtedness of the types specified in clauses (a) through (e) above of Persons other than the Company or any Subsidiary, and (g) all Indebtedness of the types referred to in clauses (a) through (f) above of any partnership or joint venture (other than a joint venture that is itself a corporation or limited liability company) in which the Company or a Subsidiary is a general partner or joint venturer, unless such Indebtedness is expressly made non-recourse to the Company or such Subsidiary; provided that for purposes of determining compliance with Section 10.7(b), “Consolidated Funded Indebtedness” shall include the aggregate undrawn stated amount of all Financial Credits and all payment and reimbursement obligations due in respect thereof; and provided further that “Consolidated Funded Indebtedness” shall exclude the aggregate undrawn stated amount of all Performance Credits, performance-based bank guarantees and performance-based surety bonds, but shall include all payment and reimbursement obligations due in respect thereof.

“Consolidated Interest Charges” means, for any period, for the Company and its Subsidiaries on a consolidated basis, all interest expense in such period determined in accordance with GAAP.

“Consolidated Leverage Ratio” means, as of any date of determination, the ratio of (a) Consolidated Funded Indebtedness as of such date to (b) Consolidated EBITDA for the period of four consecutive fiscal quarters most recently ended for which the Company has delivered financial statements pursuant to Section 7.1(a) or (b).

“Consolidated Net Income” means, for any period, the consolidated net income of the Company and its Subsidiaries as determined in accordance with GAAP.

“Consolidated Net Worth” means, as of any date of determination, Shareholders’ Equity minus any amounts attributable to preferred stock that is mandatorily redeemable, or redeemable at the option of the holder thereof, at any time prior to the date that is one year after the Maturity Date.

“Consolidated Tangible Assets” means, as of any date of determination, the Company’s consolidated assets that are considered to be tangible assets under GAAP.

“Contractual Obligation” means, as to any Person, any provision of any security issued by such Person or of any agreement, instrument or other undertaking to which such Person is a party or by which it or any of its property is bound.

“Control” means the possession, directly or indirectly, of the power to direct or cause the direction of the management and policies of a Person, whether through the ownership of voting securities, by contract or otherwise; and the terms “Controlled” and “Controlling” shall have meanings correlative to the foregoing.

A-5

“Controlled Entity” means (a) any of the Subsidiaries of the Company and any of their or the Company’s respective Controlled Affiliates and (b) if the Company has a parent company, such parent company and its Controlled Affiliates.

“Debt Prepayment Application” means, with respect to any Disposition of property, the application by the Company or its Subsidiaries of cash in an amount equal to the net proceeds with respect to such Disposition to pay Senior Indebtedness of the Company (other than Senior Indebtedness owing to the Company, any of their Subsidiaries or any Affiliate and Senior Funded Debt in respect of any revolving credit or similar credit facility providing); provided that if prepaying such Senior Indebtedness, the Company shall, in accordance with Section 8.9, offer to prepay each outstanding Note in a principal amount which equals the Ratable Portion for such Note.

“Default” means an event or condition the occurrence or existence of which would, with the lapse of time or the giving of notice or both, become an Event of Default.

“Default Rate” means, for any series of Notes, that rate of interest per annum that is the greater of (a) 2.00% above the rate of interest stated in clause (a) of the first paragraph of the Notes of such series or (b) 2.00% over the rate of interest publicly announced by BNP Paribas in New York, New York as its “base” or “prime” rate.

“Disclosure Documents” is defined in Section 5.3.

“Disposition” or “Dispose” means the sale, transfer, license, lease or other disposition (including any sale and leaseback transaction) of any property by any Person, including any sale, assignment, transfer or other disposal, with or without recourse, of any notes or accounts receivable or any rights and claims associated therewith.

“Dollars” or “$” means lawful money of the United States of America.

“Domestic Subsidiary” means any Subsidiary that is organized under the laws of the United States, a state thereof or the District of Colombia, except for any such Subsidiary with no material assets other than equity interest of one or more Subsidiaries that is not organized under the laws of the United States, a state thereof or the District of Colombia.

“▇▇▇▇▇” means the SEC’s Electronic Data Gathering, Analysis and Retrieval System or any successor SEC electronic filing system for such purposes.

“Elevated Compliance Period” is defined in Section 10.7(b).

“Elevated Leverage” is defined in Section 1.2(b).

“Environmental Laws” means any and all United States federal, state, and local statutes, laws, regulations, ordinances, rules, judgments, orders, decrees, permits, concessions, grants, franchises, licenses, agreements or governmental restrictions relating to pollution and the protection of the environment or the release of any materials into the environment, including those related to Hazardous Materials.

A-6

“Equity Interests” means, with respect to any Person, all of the shares of capital stock of (or other ownership or profit interests in) such Person, all of the warrants, options or other rights for the purchase or acquisition from such Person of shares of capital stock of (or other ownership or profit interests in) such Person, all of the securities convertible into or exchangeable for shares of capital stock of (or other ownership or profit interests in) such Person or warrants, rights or options for the purchase or acquisition from such Person of such shares (or such other interests), and all of the other ownership or profit interests in such Person (including partnership, member or trust interests therein), whether voting or nonvoting, and whether or not such shares, warrants, options, rights or other interests are outstanding on any date of determination.

“ERISA” means the Employee Retirement Income Security Act of 1974 and the rules and regulations promulgated thereunder from time to time in effect.

“ERISA Affiliate” means any trade or business (whether or not incorporated) that is treated as a single employer together with the Company under section 414 of the Code.

“Event of Default” is defined in Section 11.

“Existing Indebtedness” means the Indebtedness listed in Schedule 1.1(a).

“FATCA” means (a) sections 1471 through 1474 of the Code, as of the date of this Agreement (or any amended or successor version that is substantively comparable and not materially more onerous to comply with), together with any current or future regulations or official interpretations thereof, (b) any treaty, law or regulation of any other jurisdiction, or relating to an intergovernmental agreement between the United States of America and any other jurisdiction, which (in either case) facilitates the implementation of the foregoing clause (a), and (c) any agreements entered into pursuant to section 1471(b)(1) of the Code.

“Financial Credits” means a letter of credit used directly or indirectly to cover a default in payment of any financial contractual obligation of the Company and its Subsidiaries, including insurance-related obligations and payment obligations under specific contracts in respect of Indebtedness undertaken by the Company or any Subsidiary, and any letter of credit issued in favor of a bank or other surety who in connection therewith issues a guarantee or similar undertaking, performance bond, surety bond or other similar instrument that covers a default in payment of any such financial contractual obligations, that is classified as a financial standby letter of credit by the Board of Governors of the Federal Reserve System of the United States or by the U.S. Office of the Comptroller of the Currency.

“Form 10-K” is defined in Section 7.1(b).

“Form 10-Q” is defined in Section 7.1(a).

“GAAP” means (a) generally accepted accounting principles as in effect from time to time in the United States of America and (b) for purposes of Section 9.6, with respect to any Subsidiary, generally accepted accounting principles (including International Financial Reporting Standards, as applicable) as in effect from time to time in the jurisdiction of organization of such Subsidiary.

A-7

“Governmental Authority” means

(a) the government of

(i) the United States of America or any state or other political subdivision thereof, or

(ii) any other jurisdiction in which the Company or any Subsidiary conducts all or any part of its business, or which asserts jurisdiction over any properties of the Company or any Subsidiary, or

(b) any entity exercising executive, legislative, judicial, regulatory or administrative functions of, or pertaining to, any such government.

“Governmental Official” means any governmental official or employee, employee of any government-owned or government-controlled entity, political party, any official of a political party, candidate for political office, official of any public international organization or anyone else acting in an official capacity.

“Guarantee” means, as to any Person, (a) any obligation, contingent or otherwise, of such Person guaranteeing or having the economic effect of guaranteeing any Indebtedness or other obligation payable or performable by another Person (the “primary obligor”) in any manner, whether directly or indirectly, and including any obligation of such Person, direct or indirect, (i) to purchase or pay (or advance or supply funds for the purchase or payment of) such Indebtedness or other obligation, (ii) to purchase or lease property, securities or services for the purpose of assuring the obligee in respect of such Indebtedness or other obligation of the payment or performance of such Indebtedness or other obligation, (iii) to maintain working capital, equity capital or any other financial statement condition or liquidity or level of income or cash flow of the primary obligor so as to enable the primary obligor to pay such Indebtedness or other obligation, or (iv) entered into for the purpose of assuring in any other manner the obligee in respect of such Indebtedness or other obligation of the payment or performance thereof or to protect such obligee against loss in respect thereof (in whole or in part), or (b) any Lien on any assets of such Person securing any Indebtedness or other obligation of any other Person, whether or not such Indebtedness or other obligation is assumed by such Person (or any right, contingent or otherwise, of any holder of such Indebtedness to obtain any such Lien); provided, however, that the term “Guarantee” shall not include parent company guarantees not otherwise constituting Indebtedness of the Company or any Subsidiary, endorsements of instruments for deposit or collection in the ordinary course of business or reasonable indemnity obligations in effect on the Closing Date or otherwise entered into in the ordinary course of business, including in connection with any acquisition or Disposition of assets or incurrence of Indebtedness or other obligations, in any case to the extent permitted under this Agreement. The amount of any Guarantee shall be deemed to be an amount equal to the stated or determinable amount of the related primary obligation, or portion thereof, in respect of which such Guarantee is made or, if not stated or determinable, the maximum reasonably anticipated liability in respect thereof as determined by the guaranteeing Person in good faith. The term “Guarantee” as a verb has a corresponding meaning.

A-8

“Hazardous Materials” means any and all pollutants, toxic or hazardous wastes or other substances that might pose a hazard to health and safety, the removal of which may be required or the generation, manufacture, refining, production, processing, treatment, storage, handling, transportation, transfer, use, disposal, release, discharge, spillage, seepage or filtration of which is or shall be restricted, prohibited or penalized by any applicable law, including asbestos, urea formaldehyde foam insulation, polychlorinated biphenyls, petroleum, petroleum products, lead based paint, radon gas or similar restricted, prohibited or penalized substances.

“holder” means, with respect to any Note, the Person in whose name such Note is registered in the register maintained by the Company pursuant to Section 13.1, provided, however, that if such Person is a nominee, then for the purposes of Sections 7, 12, 17.2 and 18 and any related definitions in this Exhibit A, “holder” shall mean the beneficial owner of such Note whose name and address appears in such register.

“Incremental Interest” is defined in Section 1.2(a).

“INHAM Exemption” is defined in Section 6.2(e).

“Indebtedness” means, as to any Person at a particular time, without duplication, all of the following, whether or not included as indebtedness or liabilities in accordance with GAAP (except as otherwise provided below):

(a) the principal amount of all obligations of such Person for borrowed money and the principal amount of all obligations of such Person evidenced by bonds, debentures, notes, loan agreements or other similar instruments;

(b) all direct or contingent obligations (other than parent company guarantees not otherwise constituting Indebtedness of the Company or any Subsidiary) of such Person arising under letters of credit (including standby and commercial), bankers’ acceptances, bank guaranties, surety bonds and similar instruments (except as provided below);

(c) net obligations of such Person under any Swap Contract (only to the extent such net obligations result in a liability under GAAP);

(d) all obligations in respect of the deferred purchase price of property or services (other than (i) trade accounts payable and accrued liabilities incurred in the ordinary course of business, (ii) deferred compensation and (iii) any contingent earn-out obligation related to an Acquisition or Investment permitted hereunder);

(e) indebtedness (excluding prepaid interest thereon) secured by a Lien on property owned or being purchased by such Person (including indebtedness arising under conditional sales or other title retention agreements), whether or not such indebtedness shall have been assumed by such Person or is limited in recourse;

A-9

(f) Attributable Indebtedness in respect of capital leases, Synthetic Lease Obligations and Permitted Securitizations; and

(g) all Guarantees of such Person in respect of any of the foregoing.

For all purposes hereof, the Indebtedness of any Person shall include the Indebtedness of any partnership or joint venture (other than a joint venture that is itself a corporation or limited liability company) in which such Person is a general partner or a joint venturer, unless such Indebtedness is expressly made non-recourse to such Person. For all purposes hereof, the Indebtedness of any Person shall exclude (x) the aggregate undrawn stated amount of all Financial Credits (but shall include all payment and reimbursement obligations due in respect thereof) and (y) the aggregate undrawn stated amount of all Performance Credits, performance-based bank guarantees and performance-based surety bonds and all payment and reimbursement obligations due in respect thereof (but shall include all payment and reimbursement obligations due in respect thereof). The amount of any net obligation under any Swap Contract on any date shall be deemed to be the Swap Termination Value thereof as of such date.

“Inpex Litigation” means that any court proceeding, arbitration or mediation arising out disputes related to the contract by JKC Australia LNG Pty Limited, and involving UGL Infrastructure Pty Limited, General Electric and GE Electrical International Inc., for the engineering, procurement, construction and commissioning of a 360 MW Combined Cycle Power Plant for INPEX Operations Australia Pty Limited at ▇▇▇▇▇▇▇ ▇▇▇▇▇, ▇▇▇▇▇▇, ▇▇, ▇▇▇▇▇▇▇▇▇.

“Institutional Investor” means (a) any Purchaser of a Note, (b) any holder of a Note holding (together with one or more of its affiliates) more than 5.0% of the aggregate principal amount of the Notes then outstanding, (c) any bank, trust company, savings and loan association or other financial institution, any pension plan, any investment company, any insurance company, any broker or dealer, or any other similar financial institution or entity, regardless of legal form, and (d) any Related Fund of any holder of any Note.

“Intangible Assets” means assets that are considered to be intangible assets under GAAP.

“Investment” means, as to any Person, any direct or indirect acquisition or investment by such Person, whether by means of (a) the purchase or other acquisition of capital stock or other securities of another Person or (b) a loan, advance or capital contribution to, Guarantee or assumption of debt of, or purchase or other acquisition of any other debt or equity participation or interest in, another Person, including any partnership or joint venture interest in such other Person. For purposes of covenant compliance, the amount of any Investment in another Person shall be the amount actually invested, without adjustment for subsequent increases or decreases in the value of such Investment, less the amount of cash distributions received by such Person from the Person in which such Investment was made.

A-10

“Lien” means any mortgage, pledge, hypothecation, assignment, deposit arrangement, encumbrance, lien (statutory or other), charge, or preference, priority or other security interest or preferential arrangement in the nature of a security interest of any kind or nature whatsoever (including any conditional sale or other title retention agreement, any easement, right of way or other encumbrance on title to real property, and any financing lease having substantially the same economic effect as any of the foregoing).

“Make-Whole Amount” is defined in Section 8.6.

“Material” means material in relation to the business, operations, affairs, financial condition, assets, properties, or prospects of the Company and its Subsidiaries taken as a whole.

“Material Adverse Effect” means a material adverse effect on (a) the business, operations, financial condition, liabilities or properties of the Company and its Subsidiaries taken as a whole, (b) the ability of the Company to perform its obligations under this Agreement and the Notes, (c) the ability of any Subsidiary Guarantor to perform its obligations under its Subsidiary Guaranty, or (d) the validity or enforceability against the Company or a Subsidiary Guarantor, if any, of this Agreement, the Notes or any Subsidiary Guaranty.

“Material Credit Facility” means, as to the Company and its Subsidiaries,

(a) the Credit Agreement dated as of September 28, 2017 among ▇▇▇▇▇▇ Engineering Group, Inc., BNP Paribas, as administrative agent, and the other lenders party thereto, including any renewals, extensions, amendments, supplements, modifications, restatements, replacements or refinancing thereof;

(b) the Amended and Restated Credit Agreement dated as of February 7, 2014 among ▇▇▇▇▇▇ Engineering Group, Inc., BNP Paribas, as administrative agent, and the other lenders party thereto, including any renewals, extensions, amendments, supplements, modifications, restatements, replacements or refinancing thereof; and

(c) any other agreement(s) creating or evidencing Indebtedness for borrowed money (other than any Permitted Securitizations, purchase money Indebtedness or Indebtedness incurred solely to finance the acquisition, construction or renovation of any real property or other asset of the Company or any of its Subsidiaries) entered into on or after the date of Closing by the Company or any Subsidiary, or in respect of which the Company or any Subsidiary is an obligor or otherwise provides a guarantee or other credit support (“Credit Facility”), in a principal amount outstanding or available for borrowing equal to or greater than $200,000,000 (or the equivalent of such amount in the relevant currency of payment, determined as of the date of the closing of such facility based on the exchange rate of such other currency); and if no Credit Facility or Credit Facilities equal or exceed such amounts, then the largest Credit Facility shall be deemed to be a Material Credit Facility.

“Material Permitted Acquisition” means a Permitted Acquisition, or multiple Permitted Acquisitions substantially in the same line of business and consummated within 9-months of the initial Permitted Acquisition, the aggregate consideration for which is equal to or in excess of $400,000,000.

A-11

“Material Subsidiary” means, at any time during any fiscal year of the Company, a Subsidiary of the Company that: (i) has revenues which constitute ten percent (10%) or more of the Company’s consolidated total revenue; or (ii) contributes at least ten percent (10%) to the Company’s Consolidated EBITDA; or (iii) has assets the net book value of which constitutes ten percent (10%) or more of the Company’s net book value of consolidated total assets, in each case, based upon the Company’s most recent annual or quarterly financial statements delivered to the holders of the Notes under Section 7.1.

“Maturity Date” is defined in the first paragraph of each Note.

“Memorandum” is defined in Section 5.3.

“Multiemployer Plan” means any Plan that is a “multiemployer plan” (as such term is defined in section 4001(a)(3) of ERISA).

“NAIC” means the National Association of Insurance Commissioners.

“Non-U.S. Plan” means any plan, fund or other similar program that (a) is established or maintained outside the United States of America by the Company or any Subsidiary primarily for the benefit of employees of the Company or one or more Subsidiaries residing outside the United States of America, which plan, fund or other similar program provides, or results in, retirement income, a deferral of income in contemplation of retirement or payments to be made upon termination of employment, and (b) is not subject to ERISA or the Code.

“Notes” is defined in Section 1.

“OFAC” means the Office of Foreign Assets Control of the United States Department of the Treasury.

“OFAC Sanctions Program” means any economic or trade sanction that OFAC is responsible for administering and enforcing. A list of OFAC Sanctions Programs may be found at ▇▇▇▇://▇▇▇.▇▇▇▇▇▇▇▇.▇▇▇/▇▇▇▇▇▇▇▇-▇▇▇▇▇▇/▇▇▇▇▇▇▇▇▇/▇▇▇▇▇▇▇▇/▇▇▇▇▇/▇▇▇▇▇▇▇▇.▇▇▇▇.

“Officer’s Certificate” means a certificate of a Senior Financial Officer or of any other officer of the Company whose responsibilities extend to the subject matter of such certificate.

“Paying Agent” means the Person, if any, appointed by the Company in the Company’s sole discretion, serving from time to time as the “Paying Agent” hereunder.

“PBGC” means the Pension Benefit Guaranty Corporation referred to and defined in ERISA.

A-12

“Permitted Acquisition” means any Acquisition that conforms to the following requirements: (a) the assets, Person, division or line of business to be acquired is in a similar or complementary or ancillary or related line of business as the Company, or a reasonable extension thereof, (b) all transactions related to such Acquisition shall be consummated in accordance in all material respects with applicable Law, and (c) immediately after giving effect to such Acquisition: (i) no Event of Default under Section 11(a), 11(b), 11(g), 11(h) or 11(i) shall have occurred and be continuing or would result therefrom and (ii) the Company shall be in compliance with the financial covenants set forth in Section 10.7 on a pro forma basis as of the last day of the fiscal quarter most recently ended.

“Performance Credit” means a letter of credit used directly or indirectly to cover a default in the performance of any non-financial or commercial obligations of the Company or any Subsidiary under specific contracts, and any letter of credit issued in favor of a bank or other surety who in connection therewith issues a guarantee or similar undertaking, performance bond, surety bond or other similar instrument that covers a default of any such performance obligations, that is classified as a performance standby letter of credit the Board of Governors of the Federal Reserve System of the United States or by the U.S. Office of the Comptroller of the Currency.

“Permitted Lien” is defined in Section 10.5.

“Permitted Receivables” means accounts receivable (including notes, chattel paper, accounts, instruments and general intangibles consisting of rights to payment) generated by the Company or any of its Subsidiaries (each, an “originator”) in the ordinary course of business, together with any guarantees, insurance, letters of credit, collateral, service contracts and other agreements associated with any account receivable, the interest of the originator in the inventory and goods, including returned or repossessed inventory or goods, if any, the sale, financing or lease of which gave rise to an account receivable, the interest of the Securitization Subsidiary in the agreement with the originator pursuant to which such Securitization Subsidiary purchased such accounts receivable, and other ancillary rights of the originator arising in connection with the transaction giving rise to such accounts receivable and all business records relating thereto.

“Permitted Securitization” means (a) transfers constituting sales under GAAP, in respect of which a customary true-sale opinion has been given by independent counsel, to a Securitization Subsidiary of Permitted Receivables by the applicable originator; and (b) if applicable, the incurrence by the Securitization Subsidiary of Attributable Indebtedness to a conduit entity or other receivables credit provider secured by a Lien on any or all of the assets of such Securitization Subsidiary.

“Person” means an individual, partnership, corporation, limited liability company, association, trust, unincorporated organization, business entity or Governmental Authority.

“Plan” means an “employee benefit plan” (as defined in section 3(3) of ERISA) subject to Title I of ERISA that is or, within the preceding five years, has been established or maintained, or to which contributions are or, within the preceding five years, have been made or required to be made, by the Company or any ERISA Affiliate or with respect to which the Company or any ERISA Affiliate may have any liability.

A-13

“Primary Credit Agreements” means the credit facilities described in clause (a) and (b) of the definition of “Material Credit Facility”.

“Priority Debt” means (without duplication), as of the date of any determination thereof, the sum of (i) all unsecured Indebtedness of Subsidiaries of the Company but excluding (x) unsecured Indebtedness owing to the Company or any other Subsidiary, and (y) all unsecured Indebtedness of Subsidiary Guarantors, and (ii) all Indebtedness of the Company and its Subsidiaries secured by Liens other than Indebtedness secured by Liens permitted by clauses (a) through (m) and clauses (o) through (v) of Section 10.5.

“property” or “properties” means, unless otherwise specifically limited, real or personal property of any kind, tangible or intangible, ▇▇▇▇▇▇ or inchoate.

“Property Reinvestment Application” means, with respect to any Disposition of property, the application of an amount equal to the net proceeds received with respect to such Disposition to the acquisition by the Company or any Subsidiary of operating assets of the Company or any Subsidiary to be used in the ordinary course of business of such Person.

“Proposed Prepayment Date” is defined in Section 8.8(b).

“PTE” is defined in Section 6.2(a).

“Purchaser” or “Purchasers” means each of the purchasers that has executed and delivered this Agreement to the Company and such Purchaser’s successors and assigns (so long as any such assignment complies with Section 13.2), provided, however, that any Purchaser of a Note that ceases to be the registered holder or a beneficial owner (through a nominee) of such Note as the result of a transfer thereof pursuant to Section 13.2 shall cease to be included within the meaning of “Purchaser” of such Note for the purposes of this Agreement upon such transfer.

“Purchaser Schedule” means the Purchaser Schedule to this Agreement listing the Purchasers of the Notes and including their notice and payment information.

“Qualified Institutional Buyer” means any Person who is a “qualified institutional buyer” within the meaning of such term as set forth in Rule 144A(a)(1) under the Securities Act.

“QPAM Exemption” is defined in Section 6.2(d).

“Ratable Portion” means, with respect to any Note, an amount equal to the product of (x) the amount equal to the net proceeds being so applied to the repayment or prepayment of Senior Indebtedness of the Company or a Subsidiary in accordance with Section 10.6 multiplied by (y) a fraction the numerator of which is the outstanding principal amount of such Note and the denominator of which is the aggregate principal amount of Senior Indebtedness of the Company or its Subsidiaries being prepaid pursuant to Section 10.6.

“Related Fund” means, with respect to any holder of any Note, any fund or entity that (a) invests in Securities or bank loans, and (b) is advised or managed by such holder, the same investment advisor as such holder or by an affiliate of such holder or such investment advisor.

A-14

“Required Holders” means at any time on or after the Closing, the holders of at least a majority in principal amount of the Notes at the time outstanding (exclusive of Notes then owned by the Company or any of its Affiliates).

“Responsible Officer” means any Senior Financial Officer and any other officer of the Company with responsibility for the administration of the relevant portion of this Agreement.

“SEC” means the Securities and Exchange Commission of the United States of America.

“Securities” or “Security” shall have the meaning specified in section 2(1) of the Securities Act.

“Securities Act” means the Securities Act of 1933 and the rules and regulations promulgated thereunder from time to time in effect.

“Securitization Subsidiary” means a wholly-owned Subsidiary of the Company created solely for purposes of effectuating a Permitted Securitization, the activities and assets of which are limited solely to such purpose and assets, and the organizational documents of which contain customary bankruptcy—remote provisions.

“Securitizations Threshold” means the sum of (a) $200,000,000 and (b) an additional $50,000,000 for each Fiscal Year ending on or after September 27, 2019; provided that such amount may not exceed 10% of the Consolidated Net Worth of the Company and its Subsidiaries.

“Senior Financial Officer” means the chief financial officer, principal accounting officer, treasurer or comptroller of the Company.

“Senior Indebtedness” means Indebtedness of the Company that is senior and pari passu with the obligations hereunder and is not junior or subordinate to such obligations.

“Series A Notes” is defined in Section 1.

“Series B Notes” is defined in Section 1.

“Series C Notes” is defined in Section 1.

“Shareholders’ Equity” means, as of any date of determination, total consolidated stockholders’ equity of the Company as of that date determined in accordance with GAAP.

“Solvent” has the meaning specified in the Solvency Certificate.

“Source” is defined in Section 6.2.

“State Sanctions List” means a list that is adopted by any state Governmental Authority within the United States of America pertaining to Persons that engage in investment or other commercial activities in Iran or any other country that is a target of economic sanctions imposed under U.S. Economic Sanctions Laws.

A-15

“Subsidiary” means, as to any Person, any other Person in which such first Person or one or more of its Subsidiaries or such first Person and one or more of its Subsidiaries owns sufficient equity or voting interests to enable it or them (as a group) ordinarily, in the absence of contingencies, to elect a majority of the directors (or Persons performing similar functions) of such second Person, and any partnership or joint venture if more than a 50% interest in the profits or capital thereof is owned by such first Person or one or more of its Subsidiaries or such first Person and one or more of its Subsidiaries (unless such partnership or joint venture can and does ordinarily take major business actions without the prior approval of such Person or one or more of its Subsidiaries). Unless the context otherwise clearly requires, any reference to a “Subsidiary” is a reference to a Subsidiary of the Company.

“Subsidiary Guarantor” means each Subsidiary that has executed and delivered a Subsidiary Guaranty.

“Subsidiary Guaranty” is defined in Section 9.7(a).

“Substitute Purchaser” is defined in Section 21.

“SVO” means the Securities Valuation Office of the NAIC.

“Swap Contract” means (a) any and all rate swap transactions, basis swaps, credit derivative transactions, forward rate transactions, commodity swaps, commodity options, forward commodity contracts, equity or equity index swaps or options, bond or bond price or bond index swaps or options or forward bond or forward bond price or forward bond index transactions, interest rate options, forward foreign exchange transactions, cap transactions, floor transactions, collar transactions, currency swap transactions, cross-currency rate swap transactions, currency options, spot contracts, or any other similar transactions or any combination of any of the foregoing (including any options to enter into any of the foregoing), whether or not any such transaction is governed by or subject to any master agreement, and (b) any and all transactions of any kind, and the related confirmations, which are subject to the terms and conditions of, or governed by, any form of master agreement published by the International Swaps and Derivatives Association, Inc., any International Foreign Exchange Master Agreement, or any other master agreement (any such master agreement, together with any related schedules, a “Master Agreement”), including any such obligations or liabilities under any Master Agreement.

“Swap Termination Value” means, in respect of any one or more Swap Contracts, after taking into account the effect of any legally enforceable netting agreement relating to such Swap Contracts, (a) for any date on or after the date such Swap Contracts have been closed out and termination value(s) determined in accordance therewith, such termination value(s), and (b) for any date prior to the date referenced in clause (a), the amount(s) determined as the ▇▇▇▇-to-market value(s) for such Swap Contracts, as determined based upon one or more mid-market or other readily available quotations provided by any recognized dealer in such Swap Contracts.

A-16

“Synthetic Lease Obligation” means the monetary obligation of a Person under (a) a so-called synthetic, off-balance sheet or tax retention lease, or (b) an agreement for the use or possession of property creating obligations that do not appear on the balance sheet of such Person but which, upon the insolvency or bankruptcy of such Person, would be characterized as the indebtedness of such Person (without regard to accounting treatment).

“Taxes” means all present or future taxes, levies, imposts, duties, deductions, withholdings (including backup withholding), assessments, fees or other charges imposed by any Governmental Authority, including any interest, additions to tax or penalties applicable thereto.

“Threshold Amount” means the greater of (i) $200,000,000 (or its equivalent in the relevant currency payment) and (ii) 3% of the Consolidated Net Worth of the Company and its Subsidiaries at the time.

“United States Person” has the meaning set forth in Section 7701(a)(30) of the Code.

“USA PATRIOT Act” means United States Public Law 107-56, Uniting and Strengthening America by Providing Appropriate Tools Required to Intercept and Obstruct Terrorism (USA PATRIOT ACT) Act of 2001 and the rules and regulations promulgated thereunder from time to time in effect.

“U.S. Economic Sanctions Laws” means those laws, executive orders, enabling legislation or regulations administered and enforced by the United States pursuant to which economic sanctions have been imposed on any Person, entity, organization, country or regime, including the Trading with the Enemy Act, the International Emergency Economic Powers Act, the Iran Sanctions Act, the Sudan Accountability and Divestment Act and any other OFAC Sanctions Program.

“Wholly-Owned Subsidiary” means, at any time, any Subsidiary all of the equity interests (except directors’ qualifying shares) and voting interests of which are owned by any one or more of the Company and the Company’s other Wholly-Owned Subsidiaries at such time.

A-17

[FORM OF SERIES A NOTE]

▇▇▇▇▇▇ ENGINEERING GROUP INC.

4.27% SENIOR NOTES, SERIES A, DUE MAY 8, 2025

No. [ ]

$[ ]

[Date]

PPN: 469814 A*8

FOR VALUE RECEIVED, the undersigned, ▇▇▇▇▇▇ Engineering Group Inc. (herein called the “Company”), a corporation organized and existing under the laws of the State of Delaware, hereby promises to pay to [ ], or registered assigns, the principal sum of [ ] DOLLARS (or so much thereof as shall not have been prepaid) on May 8, 2025 (the “Maturity Date”), with interest (computed on the basis of a 360-day year of twelve 30-day months) (a) on the unpaid balance hereof at the rate of 4.27% per annum from the date hereof, payable semiannually, on the eighth day of May and November in each year, commencing with the May 8^th or November 8^th next succeeding the date hereof, and on the Maturity Date, until the principal hereof shall have become due and payable, and (b) to the extent permitted by law, (x) on any overdue payment of interest and (y) during the continuance of an Event of Default, on such unpaid balance and on any overdue payment of any Make-Whole Amount, at a rate per annum from time to time equal to the greater of (i) 6.27% or (ii) 2.00% over the rate of interest publicly announced by BNP Paribas from time to time in New York, New York as its “base” or “prime” rate, payable semiannually as aforesaid (or, at the option of the registered holder hereof, on demand).

Payments of principal of, interest on and any Make-Whole Amount with respect to this Note are to be made in lawful money of the United States of America at the principal office of the Paying Agent designated by the Company from time to time in writing (or designated by the Paying Agent in writing at the direction of the Company) or at such other place as the Company shall have designated by written notice to the holder of this Note as provided in the Note Purchase Agreement referred to below.

This Note is one of a series of Senior Notes (herein called the “Notes”) issued pursuant to the Note Purchase Agreement, dated March 12, 2018 (as from time to time amended, the “Note Purchase Agreement”), between the Company and the respective Purchasers named therein and is entitled to the benefits thereof. Each holder of this Note will be deemed, by its acceptance hereof, to have (i) agreed to the confidentiality provisions set forth in Section 20 of the Note Purchase Agreement and (ii) made the representation set forth in Section 6.2 of the Note Purchase Agreement. Unless otherwise indicated, capitalized terms used in this Note shall have the respective meanings ascribed to such terms in the Note Purchase Agreement.

This Note is a registered Note and, as provided in the Note Purchase Agreement, upon surrender of this Note for registration of transfer accompanied by a written instrument of transfer duly executed, by the registered holder hereof or such holder’s attorney duly authorized in

EXHIBIT B-1

(to Note Purchase Agreement)

writing, a new Note for a like principal amount will be issued to, and registered in the name of, the transferee. Prior to due presentment for registration of transfer, the Company may treat the Person in whose name this Note is registered as the owner hereof for the purpose of receiving payment and for all other purposes, and the Company will not be affected by any notice to the contrary.

This Note is subject to optional prepayment, in whole or from time to time in part, at the times and on the terms specified in the Note Purchase Agreement, but not otherwise.

If an Event of Default occurs and is continuing, the principal of this Note may be declared or otherwise become due and payable in the manner, at the price (including any applicable Make-Whole Amount) and with the effect provided in the Note Purchase Agreement.

This Note shall be construed and enforced in accordance with, and the rights of the Company and the holder of this Note shall be governed by, the law of the State of New York excluding choice-of-law principles of the law of such State that would permit the application of the laws of a jurisdiction other than such State.


▇▇▇▇▇▇ ENGINEERING GROUP, INC.



By
		[Title]

B-1-2

[FORM OF SERIES B NOTE]

▇▇▇▇▇▇ ENGINEERING GROUP INC.

4.42% SENIOR NOTES, SERIES B, DUE MAY 8, 2028

No. [ ]

$[ ]

[Date]

PPN: 469814 A@6

FOR VALUE RECEIVED, the undersigned, ▇▇▇▇▇▇ Engineering Group Inc. (herein called the “Company”), a corporation organized and existing under the laws of the State of Delaware, hereby promises to pay to [ ], or registered assigns, the principal sum of [ ] DOLLARS (or so much thereof as shall not have been prepaid) on May 8, 2028 (the “Maturity Date”), with interest (computed on the basis of a 360-day year of twelve 30-day months) (a) on the unpaid balance hereof at the rate of 4.42% per annum from the date hereof, payable semiannually, on the eighth day of May and November in each year, commencing with the May 8^th or November 8^th next succeeding the date hereof, and on the Maturity Date, until the principal hereof shall have become due and payable, and (b) to the extent permitted by law, (x) on any overdue payment of interest and (y) during the continuance of an Event of Default, on such unpaid balance and on any overdue payment of any Make-Whole Amount, at a rate per annum from time to time equal to the greater of (i) 6.42% or (ii) 2.00% over the rate of interest publicly announced by BNP Paribas from time to time in New York, New York as its “base” or “prime” rate, payable semiannually as aforesaid (or, at the option of the registered holder hereof, on demand).

Payments of principal of, interest on and any Make-Whole Amount with respect to this Note are to be made in lawful money of the United States of America at the principal office of the Paying Agent at designated by the Company from time to time in writing (or designated by the Paying Agent in writing at the direction of the Company) or at such other place as the Company shall have designated by written notice to the holder of this Note as provided in the Note Purchase Agreement referred to below.

This Note is one of a series of Senior Notes (herein called the “Notes”) issued pursuant to the Note Purchase Agreement, dated March 12, 2018 (as from time to time amended, the “Note Purchase Agreement”), between the Company and the respective Purchasers named therein and is entitled to the benefits thereof. Each holder of this Note will be deemed, by its acceptance hereof, to have (i) agreed to the confidentiality provisions set forth in Section 20 of the Note Purchase Agreement and (ii) made the representation set forth in Section 6.2 of the Note Purchase Agreement. Unless otherwise indicated, capitalized terms used in this Note shall have the respective meanings ascribed to such terms in the Note Purchase Agreement.

EXHIBIT B-2

(to Note Purchase Agreement)

This Note is subject to optional prepayment, in whole or from time to time in part, at the times and on the terms specified in the Note Purchase Agreement, but not otherwise.


▇▇▇▇▇▇ ENGINEERING GROUP, INC.

By
		[Title]

B-2-2

[FORM OF SERIES C NOTE]

▇▇▇▇▇▇ ENGINEERING GROUP INC.

4.52% SENIOR NOTES, SERIES C, DUE MAY 8, 2030

No. [ ]

$[ ]

[Date]

PPN: 469814 A#4

FOR VALUE RECEIVED, the undersigned, ▇▇▇▇▇▇ Engineering Group Inc. (herein called the “Company”), a corporation organized and existing under the laws of the State of Delaware, hereby promises to pay to [ ], or registered assigns, the principal sum of [ ] DOLLARS (or so much thereof as shall not have been prepaid) on May 8, 2030 (the “Maturity Date”), with interest (computed on the basis of a 360-day year of twelve 30-day months) (a) on the unpaid balance hereof at the rate of 4.52% per annum from the date hereof, payable semiannually, on the eighth day of May and November in each year, commencing with the May 8^th or November 8^th next succeeding the date hereof, and on the Maturity Date, until the principal hereof shall have become due and payable, and (b) to the extent permitted by law, (x) on any overdue payment of interest and (y) during the continuance of an Event of Default, on such unpaid balance and on any overdue payment of any Make-Whole Amount, at a rate per annum from time to time equal to the greater of (i) 6.52% or (ii) 2.00% over the rate of interest publicly announced by BNP Paribas from time to time in New York, New York as its “base” or “prime” rate, payable semiannually as aforesaid (or, at the option of the registered holder hereof, on demand).

EXHIBIT B-3

(to Note Purchase Agreement)

This Note is subject to optional prepayment, in whole or from time to time in part, at the times and on the terms specified in the Note Purchase Agreement, but not otherwise.


▇▇▇▇▇▇ ENGINEERING GROUP, INC.

By
		[Title]

B-3-2

JACOBS ENGINEERING GROUP INC. $190,000,000 4.27% Senior Notes, Series A, due May 8, 2025 $180,000,000 4.42% Senior Notes, Series B, due May 8, 2028 $130,000,000 4.52% Senior Notes, Series C, due May 8, 2030 NOTE PURCHASE AGREEMENT Dated March 12, 2018

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