—] Shares M/A-COM TECHNOLOGY SOLUTIONS HOLDINGS, INC. Common Stock UNDERWRITING AGREEMENT

Exhibit 1.1

[—] Shares

M/A-COM TECHNOLOGY SOLUTIONS HOLDINGS, INC.

Common Stock

UNDERWRITING AGREEMENT

[Insert date]

BARCLAYS CAPITAL INC.

▇.▇. ▇▇▇▇▇▇ SECURITIES LLC

As Representatives of the several

Underwriters named in Schedule I attached hereto,

c/o Barclays Capital Inc.

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and

c/o ▇.▇. ▇▇▇▇▇▇ Securities LLC

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Ladies and Gentlemen:

M/A-COM Technology Solutions Holdings, Inc., a Delaware corporation (the “Company”), and certain stockholders of the Company named in Schedule II attached hereto (the “Selling Stockholders”), propose, severally and not jointly, to sell an aggregate of — shares (the “Firm Stock”) of the Company’s common stock, par value $[—] per share (the “Common Stock”). Of the [—] shares of the Firm Stock, [—] are being sold by the Company and [—] are being sold by the Selling Stockholders. In addition, the Company and the Selling Stockholders propose, severally and not jointly, to grant to the underwriters (the “Underwriters”) named in Schedule I attached to this agreement (this “Agreement”) an option to purchase up to an aggregate of [—] additional shares of the Common Stock on the terms set forth in Section 3 (the “Option Stock”). The Firm Stock and the Option Stock, if purchased, are hereinafter collectively called the “Stock”. This Agreement is to confirm the agreement concerning the purchase of the Stock from the Company and the Selling Stockholders by the Underwriters.

1. Representations, Warranties and Agreements of the Company. The Company represents, warrants and agrees that:

(a) A registration statement on Form S-1 (File No. 333-175934) relating to the Stock has (i) been prepared by the Company in conformity with the requirements of the Securities Act of 1933, as amended (the “Securities Act”), and the rules and regulations of the Securities and Exchange Commission (the “Commission”) thereunder; (ii) been filed with the Commission under the Securities Act; and (iii) become effective under the Securities Act. Copies of such registration statement and any amendment thereto have been delivered by the Company to you as the representatives (the “Representatives”) of the Underwriters. As used in this Agreement:

(i) “Applicable Time” means [—] [a.m.][p.m.] (New York City time) [insert date];

(ii) “Effective Date” means the date and time as of which such registration statement was declared effective by the Commission;

(iii) “Issuer Free Writing Prospectus” means each “free writing prospectus” (as defined in Rule 405 under the Securities Act) prepared by or on behalf of the Company or used or referred to by the Company in connection with the offering of the Stock;

(iv) “Preliminary Prospectus” means any preliminary prospectus relating to the Stock included in such registration statement or filed with the Commission pursuant to Rule 424(b) under the Securities Act;

(v) “Pricing Disclosure Package” means, as of the Applicable Time, the most recent Preliminary Prospectus, together with the information included in Schedule IV hereto and each Issuer Free Writing Prospectus listed in Schedule VI, other than a road show that is an Issuer Free Writing Prospectus but is not required to be filed under Rule 433 under the Securities Act;

(vi) “Prospectus” means the final prospectus relating to the Stock, as filed with the Commission pursuant to Rule 424(b) under the Securities Act; and

(vii) “Registration Statement” means such registration statement, as amended as of the Effective Date, including any Preliminary Prospectus or the Prospectus, all exhibits to such registration statement and including the information deemed by virtue of Rule 430A under the Securities Act to be part of such registration statement as of the Effective Date.

Any reference to the “most recent Preliminary Prospectus” shall be deemed to refer to the latest Preliminary Prospectus included in the Registration Statement or filed pursuant to Rule 424(b) under the Securities Act prior to or on the date hereof. [Any reference herein to the term “Registration Statement” shall be deemed to include the abbreviated registration statement to register additional shares of Common Stock under Rule 462(b) under the Securities Act (the “Rule 462(b) Registration Statement”).] The Commission has not issued any order preventing or suspending the use of any Preliminary Prospectus or the Prospectus or suspending the effectiveness of the Registration Statement, and no proceeding or examination for such purpose has been instituted or, to the Company’s knowledge, threatened by the Commission.

(b) The Company was not at the time of initial filing of the Registration Statement and at the earliest time thereafter that the Company or another offering participant made a bona fide offer (within the meaning of Rule 164(h)(2) under the Securities Act) of the Stock, is not on the date hereof and will not be on the applicable Delivery Date, an “ineligible issuer” (as defined in Rule 405 under the Securities Act).

(c) The Registration Statement conformed and will conform in all material respects on the Effective Date and on the applicable Delivery Date, and any amendment to the Registration Statement filed after the date hereof will conform in all material respects when filed, to the applicable requirements of the Securities Act and the rules and regulations thereunder. The most recent Preliminary Prospectus conformed, and the Prospectus will conform, in all material respects when filed with the Commission pursuant to Rule 424(b) under the Securities Act and on the applicable Delivery Date, to the applicable requirements of the Securities Act and the rules and regulations thereunder.

(d) The Registration Statement did not, as of the Effective Date, contain an untrue statement of a material fact or omit to state a material fact required to be stated therein or necessary to make the statements therein not misleading; provided that no representation or warranty is made as to information contained in or omitted from the Registration Statement in reliance upon and in conformity with written information furnished to the Company through the Representatives by or on behalf of any Underwriter specifically for inclusion therein, which information is specified in Section 10(f).

(e) The Prospectus will not, as of its date or as of the applicable Delivery Date, contain an untrue statement of a material fact or omit to state a material fact necessary to make the statements therein, in the light of the circumstances under which they were made, not misleading; provided that no representation or warranty is made as to information contained in or omitted from the Prospectus in reliance upon and in conformity with written information furnished to the Company through the Representatives by or on behalf of any Underwriter specifically for inclusion therein, which information is specified in Section 10(f).

(f) The Pricing Disclosure Package did not, as of the Applicable Time, contain an untrue statement of a material fact or omit to state a material fact necessary to make the statements therein, in the light of the circumstances under which they were made, not misleading; provided that no representation or warranty is made as to information contained in or omitted from the Pricing Disclosure Package in reliance upon and in conformity with written information furnished to the Company through the Representatives by or on behalf of any Underwriter specifically for inclusion therein, which information is specified in Section 10(f).

(g) The Pricing Disclosure Package, when taken together with each Issuer Free Writing Prospectus listed in Schedule V hereto, did not, as of the Applicable Time, contain an untrue statement of a material fact or omit to state a material fact necessary to make the statements therein, in the light of the circumstances under which they were made, not misleading; provided that no representation or warranty is made as to information contained in or omitted from the Pricing Disclosure Package (or such electronic road show listed in Schedule V hereto) in reliance upon and in conformity with written information furnished to the Company through the Representatives by or on behalf of any Underwriter specifically for inclusion therein, which information is specified in Section 10(f).

(h) Each Issuer Free Writing Prospectus conformed or will conform in all material respects to the requirements of the Securities Act and the rules and regulations thereunder on the date of first use, and the Company has complied with all prospectus delivery and any filing requirements applicable to such Issuer Free Writing Prospectus pursuant to the Securities Act and rules and regulations thereunder. The Company has not made any offer relating to the Stock that would constitute an Issuer Free Writing Prospectus without the prior written consent of the Representatives. The Company has retained in accordance with the Securities Act and the rules and regulations thereunder all Issuer Free Writing Prospectuses that were not required to be filed pursuant to the Securities Act and the rules and regulations thereunder. The Company has taken all actions necessary so that any “road show” (as defined in Rule 433 under the Securities Act) in connection with the offering of the Stock will not be required to be filed pursuant to the Securities Act and the rules and regulations thereunder.

(i) The Company and each of its subsidiaries have been duly organized, is validly existing and in good standing as a corporation or other business entity under the laws of its jurisdiction of organization (to the extent applicable under the laws of such jurisdiction) and is duly qualified to do business and in good standing as a foreign corporation or other business entity in each jurisdiction in which its ownership or lease of property or the conduct of its businesses requires such qualification, except where the failure to be so qualified or in good standing would not, individually or in the aggregate, reasonably be expected to have a material adverse effect on the condition (financial or otherwise), results of operations, stockholders’ equity, properties, business or prospects of the Company and its subsidiaries taken as a whole (a “Material Adverse Effect”). The Company and each of its subsidiaries have all power and authority necessary to own or hold its properties and to conduct the businesses in which it is engaged. The Company does not own or control, directly or indirectly, any corporation, association or other entity other than the subsidiaries listed in Exhibit 21 to the Registration Statement.

(j) The Company has an authorized capitalization as set forth in each of the most recent Preliminary Prospectus and the Prospectus, and all of the issued shares of capital stock of the Company have been duly authorized and validly issued, are fully paid and non-assessable, conform in all material respects to the description thereof contained in the most recent Preliminary Prospectus and were issued in compliance with federal and state securities laws and not in violation of any preemptive right, resale right, right of first refusal or similar right. All of the Company’s options, warrants and other rights to purchase or exchange any securities for shares of the Company’s capital stock have been duly authorized and validly issued, conform in all material respects to the description thereof contained in the most recent Preliminary Prospectus and were issued in compliance with federal and state securities laws. All of the issued shares of capital stock of each subsidiary of the Company have been duly authorized and validly issued, are fully paid and non-assessable and are owned directly or indirectly by the Company, free and clear of all liens, encumbrances, equities or claims, except for such liens, encumbrances, equities or claims as would not, individually or in the aggregate, reasonably be expected to have a Material Adverse Effect.

(k) The shares of the Stock to be issued and sold by the Company to the Underwriters hereunder have been duly authorized and, upon payment and delivery in accordance with this Agreement, will be validly issued, fully paid and non-assessable, will conform in all material respects to the description thereof contained in the most recent Preliminary Prospectus, will be issued in compliance with federal and state securities laws and will be free of statutory and contractual preemptive rights, rights of first refusal and similar rights.

(l) The Company has all requisite corporate power and authority to execute, deliver and perform its obligations under this Agreement. This Agreement has been duly and validly authorized, executed and delivered by the Company.

(m) The issue and sale of the Stock, the execution, delivery and performance of this Agreement by the Company, the consummation of the transactions contemplated hereby and the application of the proceeds from the sale of the Stock as described under “Use of Proceeds” in the most recent Preliminary Prospectus will not (i) conflict with or result in a breach or violation of any of the terms or provisions of, impose any lien, charge or encumbrance upon any property or assets of the Company and its subsidiaries, or constitute a default under, any indenture, mortgage, deed of trust, loan agreement, license, lease or other agreement or instrument to which the Company or any of its subsidiaries is a party or by which the Company or any of its subsidiaries is bound or to which any of the property or assets of the Company or any of its subsidiaries is subject; (ii) result in any violation of the provisions of the charter or by-laws (or similar organizational documents) of the Company or any of its subsidiaries; or (iii) result in any violation of any statute or any judgment, order, decree, rule or regulation of any court or governmental agency or body having jurisdiction over the Company or any of its subsidiaries or any of their properties or assets, except, with respect to clauses (i) and (iii), conflicts or violations that would not, individually or in the aggregate, reasonably be expected to have a Material Adverse Effect.

(n) No consent, approval, authorization or order of, or filing, registration or qualification with, any court or governmental agency or body having jurisdiction over the Company or any of its subsidiaries or any of their properties or assets is required for the issue and sale of the Stock, the execution, delivery and performance of this Agreement by the Company, the consummation of the transactions contemplated hereby, and the application of the proceeds from the sale of the Stock as described under “Use of Proceeds” in the most recent Preliminary Prospectus, except for the registration of the Stock under the Securities Act and such consents, approvals, authorizations, orders, filings, registrations or qualifications as may be required under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), and applicable state or foreign securities laws in connection with the purchase and sale of the Stock by the Underwriters.

(o) The historical financial statements (including the related notes and supporting schedules) included in the most recent Preliminary Prospectus comply as to form in all material respects with the requirements of Regulation S-X under the Securities Act and present fairly in all material respects the financial condition, results of operations and cash flows of the entities purported to be shown thereby at the dates and for the

periods indicated and have been prepared in conformity with accounting principles generally accepted in the United States applied on a consistent basis throughout the periods involved.

(p) Deloitte & Touche LLP, who have audited certain financial statements of the Company and its consolidated subsidiaries, whose report appears in the most recent Preliminary Prospectus and who have delivered the initial letter referred to in Section 9(g) hereof, are independent public accountants as required by the Securities Act and the rules and regulations thereunder.

(q) The Company and each of its subsidiaries maintain a system of internal control over financial reporting (as such term is defined in Rule 13a-15(f) of the Exchange Act) that has been designed by, or under the supervision of, the Company’s principal executive and principal financial officers, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principals in the United States, including, but not limited to, internal accounting controls sufficient to provide reasonable assurance that (i) transactions are executed in accordance with management’s general or specific authorization, (ii) transactions are recorded as necessary to permit preparation of the Company’s financial statements in conformity with accounting principles generally accepted in the United States and to maintain accountability for its assets, (iii) access to the Company’s assets is permitted only in accordance with management’s general or specific authorization, and (iv) the recorded accountability for the Company’s assets is compared with existing assets at reasonable intervals and appropriate action is taken with respect to any differences. As of the date of the most recent balance sheet of the Company and its consolidated subsidiaries reviewed or audited by Deloitte & Touche LLP and the audit committee of the board of directors of the Company, there were no material weaknesses in the Company’s internal controls.

(r) (i) The Company and each of its subsidiaries maintain disclosure controls and procedures (as such term is defined in Rule 13a-15(e) under the Exchange Act), (ii) such disclosure controls and procedures are designed to ensure that the information required to be disclosed by the Company and its subsidiaries in the reports filed or to be filed or submitted under the Exchange Act is accumulated and communicated to management of the Company and its subsidiaries, including their respective principal executive officers and principal financial officers, as appropriate, to allow timely decisions regarding required disclosures to be made, and (iii) such disclosure controls and procedures are effective in all material respects to perform the functions for which they were established.

(s) Since the date of the most recent balance sheet of the Company and its consolidated subsidiaries reviewed or audited by Deloitte & Touche LLP and the audit committee of the board of directors of the Company, (i) the Company has not been advised of or become aware of (A) any significant deficiencies in the design or operation of internal controls that has not been adequately remediated or that could adversely affect the ability of the Company or any of its subsidiaries to record, process, summarize and report financial data, or any material weaknesses in internal controls, and (B) any fraud,

whether or not material, that involves management or other employees who have a significant role in the internal controls of the Company and each of its subsidiaries; and (ii) there have been no significant changes in internal controls or in other factors that could significantly adversely affect internal controls.

(t) The section entitled “Management’s Discussion and Analysis of Financial Condition and Results of Operations – Critical Accounting Policies and Estimates” set forth in the most recent Preliminary Prospectus accurately describes in all material respects (i) the accounting policies that the Company believes are the most important in the portrayal of the Company’s financial condition and results of operations and that require management’s most difficult, subjective or complex judgments (“Critical Accounting Policies”); and (ii) the judgments and uncertainties affecting the application of Critical Accounting Policies.

(u) There is and has been no failure on the part of the Company and, to the Company’s knowledge, any of the Company’s directors or officers, in their capacities as such, to comply in all material respects with any applicable provision of the ▇▇▇▇▇▇▇▇-▇▇▇▇▇ Act of 2002 and the rules and regulations promulgated in connection therewith.

(v) Except as disclosed in the most recent Preliminary Prospectus, since the date of the latest audited financial statements included in the most recent Preliminary Prospectus, neither the Company nor any of its subsidiaries has (i) sustained any loss or interference with its business from fire, explosion, flood or other calamity, whether or not covered by insurance, or from any labor dispute or court or governmental action, order or decree, (ii) issued or granted any securities (other than the issuance of shares of Common Stock upon exercise of stock options and warrants described as outstanding in, and the grant of options and awards under existing equity incentive plans described in, the most recent Preliminary Prospectus), (iii) incurred any material liability or obligation, direct or contingent, other than liabilities and obligations that were incurred in the ordinary course of business, (iv) entered into any material transaction not in the ordinary course of business, or (v) declared or paid any dividend on its capital stock, and since such date, there has not been any change in the capital stock (other than the issuance of shares of Common Stock upon exercise of stock options and warrants described as outstanding in, and the grant of options and awards under existing equity incentive plans described in, the most recent Preliminary Prospectus) or long-term debt of the Company or any of its subsidiaries or any adverse change, or any development involving a prospective adverse change, in or affecting the condition (financial or otherwise), results of operations, stockholders’ equity, properties, management, business or prospects of the Company and its subsidiaries taken as a whole, in each case except as would not, individually or in the aggregate, reasonably be expected to have a Material Adverse Effect.

(w) The Company and each of its subsidiaries have good and marketable title in fee simple to all real property and good and marketable title to all personal property owned by them, in each case free and clear of all liens, encumbrances and defects, except such liens, encumbrances and defects as are described in the most recent Preliminary Prospectus or such as do not materially affect the value of such property and do not materially interfere with the use made and proposed to be made of such property by the

Company and its subsidiaries. All assets held under lease by the Company and its subsidiaries are held by them under valid, subsisting and enforceable leases, with such exceptions as do not materially interfere with the use made and proposed to be made of such assets by the Company and its subsidiaries.

(x) The Company and each of its subsidiaries have such permits, licenses, franchises, certificates of need and other approvals or authorizations of governmental or regulatory authorities (“Permits”) as are necessary under applicable law to own their properties and conduct their businesses in the manner described in the most recent Preliminary Prospectus, except for any of the foregoing that would not, individually or in the aggregate, reasonably be expected to have a Material Adverse Effect. The Company and each of its subsidiaries have fulfilled and performed all of its obligations with respect to the Permits, and, to the Company’s knowledge, no event has occurred that allows, or after notice or lapse of time would allow, revocation or termination thereof or results in any other impairment of the rights of the holder or any such Permits, except for any of the foregoing that would not reasonably be expected to have a Material Adverse Effect. Neither the Company nor any of its subsidiaries has received notice of any revocation or modification of any such Permits or has any reason to believe that any such Permits will not be renewed in the ordinary course.

(y) The Company and each of its subsidiaries (i) own or possess adequate rights to use all material patents, patent applications, trademarks, service marks, trade names, trademark registrations, service ▇▇▇▇ registrations, copyrights, licenses, know-how, software, systems and technology (including trade secrets and other unpatented and/or unpatentable proprietary or confidential information, systems or procedures) necessary for the conduct of their respective businesses and (ii) have no reason to believe that the conduct of their respective businesses will materially conflict with, and, except as would not reasonably be expected to result in a Material Adverse Effect, have not received any notice of any claim of conflict with, any such rights of others.

(z) Except as described in the most recent Preliminary Prospectus, there are no legal or governmental proceedings pending to which the Company or any of its subsidiaries is a party or of which any property or assets of the Company or any of its subsidiaries is the subject that would, individually or in the aggregate, reasonably be expected to have a Material Adverse Effect or would, individually or in the aggregate, reasonably be expected to have a material adverse effect on the performance of this Agreement or the consummation of the transactions contemplated hereby; and to the Company’s knowledge, no such proceedings are threatened or contemplated by governmental authorities or others.

(aa) There are no contracts or other documents required to be described in the Registration Statement or the most recent Preliminary Prospectus or filed as exhibits to the Registration Statement that are not described and filed as required. The statements made in the most recent Preliminary Prospectus, insofar as they purport to constitute summaries of the terms of the contracts and other documents described and filed, constitute accurate summaries of the terms of such contracts and documents in all material respects. Neither the Company nor any of its subsidiaries has knowledge that any other party to any such contract or other document has any intention not to render full performance in all material respects as contemplated by the terms thereof.

(bb) The statements made in each of the most recent Preliminary Prospectus and the Prospectus under the captions “Certain Relationships and Related Person Transactions,” “Description of Capital Stock,” and “Material U.S. Federal Income and Estate Tax Consequences to Non-U.S. Holders,” in each case insofar as they purport to constitute summaries of the terms of laws, statutes, rules or regulations, legal or governmental proceedings or contracts and other documents, constitute accurate summaries of the terms of such statutes, rules and regulations, legal and governmental proceedings and contracts and other documents in all material respects.

(cc) The Company and each of its subsidiaries carry, or are covered by, insurance from insurers of recognized financial responsibility in such amounts and covering such risks as they reasonably believe is adequate for the conduct of their respective businesses and the value of their respective properties and as is customary for companies engaged in similar businesses in similar industries. All policies of insurance of the Company and its subsidiaries are in full force and effect; the Company and each of its subsidiaries are in compliance with the terms of such policies in all material respects; and neither the Company nor any of its subsidiaries has received notice from any insurer or agent of such insurer that capital improvements or other expenditures are required or necessary to be made in order to continue such insurance; there are no [material] claims by the Company or any of its subsidiaries under any such policy or instrument as to which any insurance company is denying liability or defending under a reservation of rights clause; and neither the Company nor any such subsidiary has any reason to believe that it will not be able to renew its existing insurance coverage as and when such coverage expires or to obtain similar coverage from similar insurers as may be necessary to continue its business at a cost that would not reasonably be expected to have a Material Adverse Effect.

(dd) No relationship, direct or indirect, exists between or among the Company, on the one hand, and the directors, officers, stockholders, customers or suppliers of the Company, on the other hand, that is required to be described in the most recent Preliminary Prospectus which is not so described.

(ee) No labor disturbance by or dispute with the employees of the Company or any of its subsidiaries exists or, to the knowledge of the Company, is imminent that would reasonably be expected to have a Material Adverse Effect.

(ff) Neither the Company nor any of its subsidiaries (i) is in violation of its charter or by-laws (or similar organizational documents), (ii) is in default, and no event has occurred that, with notice or lapse of time or both, would constitute such a default, in the due performance or observance of any term, covenant, condition or other obligation contained in any indenture, mortgage, deed of trust, loan agreement, license or other agreement or instrument to which it is a party or by which it is bound or to which any of its properties or assets is subject, or (iii) is in violation of any statute or any order, rule or regulation of any court or governmental agency or body having jurisdiction over it or its

property or assets or has failed to obtain any license, permit, certificate, franchise or other governmental authorization or permit necessary to the ownership of its property or to the conduct of its business, except in the case of clauses (ii) and (iii), to the extent any such conflict, breach, violation or default would not, individually or in the aggregate, reasonably be expected to have a Material Adverse Effect.

(gg) The Company and each of its subsidiaries (i) are, and at all times prior hereto were, in compliance with all laws, regulations, ordinances, rules, orders, judgments, decrees, permits or other legal requirements of any governmental authority, including without limitation any international, foreign, national, state, provincial, regional, or local authority, relating to pollution, the protection of human health or safety, the environment, or natural resources, or to use, handling, storage, manufacturing, transportation, treatment, discharge, disposal or release of hazardous or toxic substances or wastes, pollutants or contaminants (“Environmental Laws”) applicable to such entity, which compliance includes, without limitation, obtaining, maintaining and complying with all permits and authorizations and approvals required by Environmental Laws to conduct their respective businesses, and (ii) have not received notice or otherwise have knowledge of any actual or alleged violation of Environmental Laws, or of any actual or potential liability for or other obligation concerning the presence, disposal or release of hazardous or toxic substances or wastes, pollutants or contaminants, except in the case of clause (i) or (ii) where such non-compliance, violation, liability, or other obligation would not, individually or in the aggregate, reasonably be expected to have a Material Adverse Effect. Except as described in the most recent Preliminary Prospectus, (x) there are no proceedings that are pending, or known to be contemplated, against the Company or any of its subsidiaries under Environmental Laws in which a governmental authority is also a party, other than such proceedings regarding which it is reasonably believed no monetary sanctions of $100,000 or more will be imposed, (y) the Company and its subsidiaries are not aware of any issues regarding compliance with Environmental Laws, including any pending or proposed Environmental Laws, or liabilities or other obligations under Environmental Laws or concerning hazardous or toxic substances or wastes, pollutants or contaminants, that would reasonably be expected to have a material effect on the capital expenditures, earnings or competitive position of the Company and its subsidiaries, taken as a whole, and (z) none of the Company and its subsidiaries anticipates material capital expenditures relating to Environmental Laws.

(hh) The Company and each of its subsidiaries have filed all federal, state, local and foreign tax returns required to be filed through the date hereof, subject to permitted extensions, and have paid all taxes due, and no tax deficiency has been determined adversely to the Company or any of its subsidiaries, nor does the Company have any knowledge of any tax deficiencies that have been, or could reasonably be expected to be asserted against the Company, that would, individually or in the aggregate, reasonably be expected to have a Material Adverse Effect.

(ii) (i) Each “employee benefit plan” (within the meaning of Section 3(3) of the Employee Retirement Security Act of 1974, as amended (“ERISA”)) for which the Company or any member of its “Controlled Group” (defined as any organization which is a member of a controlled group of corporations within the meaning of Section 414 of the

Internal Revenue Code of 1986, as amended (the “Code”)) would have any liability (each a “Plan”) has been maintained in compliance with its terms and with the requirements of all applicable statutes, rules and regulations including ERISA and the Code (except for any noncompliance that would not reasonably be expected to result in a material liability to the Company and its subsidiaries taken as a whole); (ii) neither the Company, any member of its Controlled Group, nor, to the Company’s knowledge, any other person has engaged in a prohibited transaction, within the meaning of Section 406 of ERISA or Section 4975 of the Code, with respect to any Plan (excluding transactions effected pursuant to a statutory or administrative exemption) that could reasonably be expected to result in a material liability to the Company and its subsidiaries taken as a whole; (iii) with respect to each Plan subject to Title IV of ERISA (A) no “reportable event” (within the meaning of Section 4043(c) of ERISA), other than a reportable event for which the 30-day notice requirement has been waived, has occurred or is reasonably expected to occur, (B) neither the Company nor any member of its Controlled Group has failed (or reasonably expects to fail) to satisfy the “minimum funding standard” (as defined in Section 302(a)(2) of ERISA or Section 412(a) of the Code), and (C) neither the Company nor any member of its Controlled Group has incurred, or reasonably expects to incur, any liability under Title IV of ERISA (other than for contributions to the Plan or premiums to the Pension Benefit Guaranty Corporation in the ordinary course and without default) in respect of a Plan (including a “multiemployer plan”, within the meaning of Section 4001(a)(3) of ERISA); and (iv) each Plan that is intended to be qualified under Section 401(a) of the Code (A) is the subject of a favorable determination letter from the Internal Revenue Service (“IRS”) with respect to such Plan’s qualified status under the Code, (B) has a timely filed request for such a determination letter pending with the IRS or has remaining a period of time under the Code or applicable Treasury Regulations or IRS pronouncements in which to request, and to adopt any amendments necessary to obtain, such a letter from the IRS, or (C) is a prototype or volume submitter plan entitled, under applicable IRS guidance, to rely on the favorable opinion or advisory letter issued by the IRS to the sponsor of such prototype or volume submitter plan, and nothing has occurred, whether by action or by failure to act, which would reasonably be expected to cause the loss of such qualification.

(jj) The statistical and market-related data included in the most recent Preliminary Prospectus are based on or derived from sources that the Company believes to be reliable in all material respects.

(kk) Neither the Company nor any of its subsidiaries is, and as of the applicable Delivery Date and, after giving effect to the offer and sale of the Stock and the application of the proceeds therefrom as described under “Use of Proceeds” in the most recent Preliminary Prospectus and the Prospectus, none of them will be, (i) an “investment company” or a company “controlled” by an “investment company” within the meaning of the Investment Company Act of 1940, as amended (the “Investment Company Act”), and the rules and regulations of the Commission thereunder, or (ii) a “business development company” (as defined in Section 2(a)(48) of the Investment Company Act).

(ll) Except as described in the most recent Preliminary Prospectus, there are no contracts, agreements or understandings between the Company and any person granting such person the right (other than rights that have been waived in writing or otherwise satisfied) to require the Company to file a registration statement under the Securities Act with respect to any securities of the Company owned or to be owned by such person or to require the Company to include such securities in the securities registered pursuant to the Registration Statement or in any securities being registered pursuant to any other registration statement filed by the Company under the Securities Act.

(mm) Neither the Company nor any of its subsidiaries is a party to any contract, agreement or understanding with any person (other than this Agreement) that would give rise to a valid claim against any of them or the Underwriters for a brokerage commission, finder’s fee or like payment in connection with the offering and sale of the Stock.

(nn) The Company has not sold or issued any securities that would be integrated with the offering of the Stock contemplated by this Agreement pursuant to the Securities Act, the rules and regulations thereunder or the interpretations thereof by the Commission.

(oo) The Company and its affiliates have not taken, directly or indirectly, any action designed to or that has constituted or that could reasonably be expected to cause or result in the stabilization or manipulation of the price of any security of the Company in connection with the offering of the shares of the Stock.

(pp) The Stock has been approved for listing, subject to official notice of issuance and evidence of satisfactory distribution on, The NASDAQ Global Select Market.

(qq) The Company has not distributed and, prior to the later to occur of any Delivery Date and completion of the distribution of the Stock, will not distribute any offering material in connection with the offering and sale of the Stock other than any Preliminary Prospectus, the Prospectus, any Issuer Free Writing Prospectus to which the Representatives have consented in accordance with Section 1(h) or 6(a)(vi) and any Issuer Free Writing Prospectus set forth on Schedule VI hereto and, in connection with the Directed Share Program described in Section 4, the enrollment materials prepared by Barclays Capital Inc. on behalf of the Company or any other materials approved thereby.

(rr) Neither the Company nor any subsidiary is in violation of or has received notice of any violation with respect to any federal or state law relating to discrimination in the hiring, promotion or pay of employees, nor any applicable federal or state wage and hour laws, nor any state law precluding the denial of credit due to the neighborhood in which a property is situated, the violation of any of which would reasonably be expected to have a Material Adverse Affect.

(ss) Neither the Company nor any of its subsidiaries, nor, to the knowledge of the Company, any director, officer, agent, employee or other person associated with or

acting on behalf of the Company or any of its subsidiaries, has (i) used any corporate funds for any unlawful contribution, gift, entertainment or other unlawful expense relating to political activity; (ii) made any direct or indirect unlawful payment to any foreign or domestic government official or employee from corporate funds; (iii) violated or is in violation of any provision of the U.S. Foreign Corrupt Practices Act of 1977; or (iv) made any bribe, rebate, payoff, influence payment, kickback or other unlawful payment.

(tt) The operations of the Company and its subsidiaries are and have been conducted at all times in compliance with applicable financial recordkeeping and reporting requirements of the Currency and Foreign Transactions Reporting Act of 1970, as amended, the money laundering statutes of all jurisdictions, the rules and regulations thereunder and any related or similar rules, regulations or guidelines, issued, administered or enforced by any governmental agency (collectively, the “Money Laundering Laws”) and no action, suit or proceeding by or before any court or governmental agency, authority or body or any arbitrator involving the Company or any of its subsidiaries with respect to the Money Laundering Laws is pending or, to the knowledge of the Company, threatened.

(uu) Neither the Company nor any of its subsidiaries nor, to the knowledge of the Company, any director, officer, agent, employee or affiliate of the Company or any of its subsidiaries is currently subject to any U.S. sanctions administered by the Office of Foreign Assets Control of the U.S. Treasury Department (“OFAC”); and the Company will not directly or indirectly use the proceeds of the offering, or lend, contribute or otherwise make available such proceeds to any subsidiary, joint venture partner or other person or entity, for the purpose of financing the activities of any person currently subject to any U.S. sanctions administered by OFAC.

(vv) Neither the Company nor any of its subsidiaries nor, to the knowledge of the Company, any director, officer, agent, employee or of the Company or any of its subsidiaries has violated the Arms Export Control Act, the International Traffic in Arms Regulations and the Export Administration Regulations and the Company and its subsidiaries have obtained all of the specific authorizations required under the U.S. Department of State’s Directorate of Defense Trade Controls in order to fulfill their respective obligations with non-U.S. entities, except as would not reasonably be expected to have, individually or in the aggregate, a Material Adverse Effect.

(ww) Each Preliminary Prospectus, the Prospectus and each Issuer Free Writing Prospectus comply, and any further amendments or supplements thereto will comply in all material respects, with any applicable laws or regulations of foreign jurisdictions in which such Preliminary Prospectus, Prospectus or such Issuer Free Writing Prospectus, as amended or supplemented, if applicable, are distributed in connection with the Directed Share Program. No consent, approval, authorization or order of, or filing, registration or qualification with, any court or governmental agency or body, other than such as have been obtained, is required under the securities laws and regulations of any foreign jurisdiction in which the Directed Shares are offered or sold outside the United States.

(xx) The Company has not offered, or caused Barclays Capital Inc. to offer, Stock to any person pursuant to the Directed Share Program with the specific intent to unlawfully influence (i) a customer or supplier of the Company to alter the customer’s or supplier’s level or type of business with the Company or (ii) a trade journalist or publication to write or publish favorable information about the Company, its business or its products.

Any certificate signed by any officer of the Company and delivered to the Representatives or counsel for the Underwriters in connection with the offering of the Stock shall be deemed a representation and warranty by the Company, as to matters covered thereby, to each Underwriter.

2. Representations, Warranties and Agreements of the Selling Stockholders. Each Selling Stockholder, severally and not jointly, represents, warrants and agrees that:

(a) Neither the Selling Stockholder nor any person acting on behalf of the Selling Stockholder (other than, if applicable, the Company and the Underwriters) has used or referred to any “free writing prospectus” (as defined in Rule 405 under the Securities Act) relating to the Stock.

(b) The Selling Stockholder has, and immediately prior to any Delivery Date on which the Selling Stockholder is selling shares of Stock, the Selling Stockholder will have, good and marketable title to the shares of Stock to be sold by the Selling Stockholder hereunder on such Delivery Date and any “security entitlement” within the meaning of Section 8-501 of the New York Uniform Commercial Code (the “UCC”) in respect thereof, free and clear of all liens, encumbrances, equities, community property rights, restrictions on transfer or claims, except for any liens, encumbrances, equities or claims arising under the Custody Agreement (as defined below).

(c) The Stock to be sold by the Selling Stockholder hereunder, which is represented by the applicable certificate or certificates held in custody for the Selling Stockholder under the Custody Agreement, is subject to the interest of the Underwriters and the other Selling Stockholders thereunder, the arrangements made by the Selling Stockholder for such custody are to that extent irrevocable, and the obligations of the Selling Stockholder hereunder shall not be terminated by any act of the Selling Stockholder, by operation of law, by the death or incapacity of any individual Selling Stockholder or, in the case of a trust, by the death or incapacity of any executor or trustee or the termination of such trust, or the occurrence of any other event.

(d) Upon payment for the Stock to be sold by such Selling Stockholder pursuant to this Agreement, delivery of such Stock, as directed by the Underwriters, to Cede & Co. (“Cede”) or such other nominee as may be designated by The Depository Trust Company (“DTC”), registration of such Stock in the name of Cede or such other nominee and the crediting of such Stock on the books of DTC to securities accounts of the Underwriters (assuming that neither DTC nor such Underwriters have notice of any adverse claim (within the meaning of Section 8-105 of the UCC) to such Stock) (i) DTC shall be a “protected purchaser” of such Stock within the meaning of ▇▇▇▇▇▇▇ ▇-▇▇▇ ▇▇ ▇▇▇

▇▇

▇▇▇, (▇▇) under Section 8-501 of the UCC, the Underwriters will acquire a valid security entitlement in respect of such Stock, and (iii) an action based on an adverse claim (within the meaning of Section 8-105 of the UCC) to such securities entitlement, whether framed in conversion, replevin, constructive trust, equitable lien or other theory, may not be successfully asserted against the Underwriters with respect to such security entitlement. For purposes of this representation, such Selling Stockholder may assume that when such payment, delivery and crediting occur, (x) such Stock will have been registered in the name of Cede or another nominee designated by DTC, in each case on the Company’s share registry in accordance with its certificate of incorporation, bylaws and applicable law, (y) DTC will be registered as a “clearing corporation” within the meaning of Section 8-102 of the UCC, and (z) appropriate entries to the accounts of the several Underwriters on the records of DTC will have been made pursuant to the UCC.

(e) The Selling Stockholder has placed in custody under a custody agreement (the “Custody Agreement” and, together with all other similar agreements executed by the other Selling Stockholders, the “Custody Agreements”) with American Stock Transfer & Trust Company, LLC, as custodian (the “Custodian”), for delivery under this Agreement, certificates in negotiable form (with signature guaranteed by a participant in the Securities Transfer Agents Medallion Program, the New York Stock Exchange Medallion Signature Program or the Stock Exchange Medallion Program) representing the shares of Stock to be sold by the Selling Stockholder hereunder.

(f) The Selling Stockholder has duly executed and delivered an irrevocable power of attorney (the “Power of Attorney” and, together with all other similar agreements executed by the other Selling Stockholders, the “Powers of Attorney”) appointing the Custodian and ▇▇▇▇▇▇▇ ▇▇▇▇▇ and ▇▇▇▇▇▇ ▇▇▇▇▇▇ as attorneys-in-fact, with full power of substitution, and with full authority (exercisable by any one or more of them) to execute and deliver this Agreement and to take such other action as may be necessary or desirable to carry out the provisions hereof on behalf of the Selling Stockholder.

(g) The Selling Stockholder has full right, power and authority, corporate or otherwise, to enter into this Agreement, the Custody Agreement and the Power of Attorney.

(h) This Agreement has been duly and validly authorized (with respect to a Selling Stockholder who is not a natural person), executed and delivered by or on behalf of the Selling Stockholder.

(i) The Power of Attorney and the Custody Agreement have been duly and validly authorized (with respect to a Selling Stockholder who is not a natural person), executed and delivered by or on behalf of the Selling Stockholder and constitute valid and legally binding obligations of the Selling Stockholder enforceable against the Selling Stockholder in accordance with their terms, subject to (i) the effects of bankruptcy, insolvency, fraudulent conveyance, reorganization, moratorium and other similar laws relating to or affecting creditors’ rights generally, (ii) general equitable principles (whether considered in a proceeding in equity or at law), and (iii) an implied covenant of good faith and fair dealing.

(j) The sale of the Stock by the Selling Stockholder, the execution, delivery and performance of this Agreement, the Custody Agreement and the Power of Attorney by the Selling Stockholder and the consummation by the Selling Stockholder of the transactions contemplated hereby and thereby do not and will not (i) conflict with or result in a breach or violation of any of the terms or provisions of, or constitute a default under, any indenture, mortgage, deed of trust, loan agreement, license, lease or other agreement or instrument to which the Selling Stockholder is a party or by which the Selling Stockholder is bound or to which any of the property or assets of the Selling Stockholder is subject, (ii) if the selling stockholder is a corporation, result in any violation of the provisions of the charter or by-laws (or similar organizational documents) of the Selling Stockholder, (iii) if the selling stockholder is a trust, result in any violation of the provisions of the deed of trust (or similar organizational documents) of the Selling Stockholder, or (iv) result in any violation of any statute or any judgment, order, decree, rule or regulation of any court or governmental agency or body having jurisdiction over the Selling Stockholder or the property or assets of the Selling Stockholder, except, in the case of clauses (i) and (iv), for such conflicts, breaches, violations or defaults that would not, individually or in the aggregate, reasonably be expected to adversely affect the ability of the Selling Stockholder to perform its obligations hereunder and under the Custody Agreement and the Power of Attorney.

(k) No consent, approval, authorization or order of, or filing or registration with, any court or governmental agency or body having jurisdiction over the Selling Stockholder or the property or assets of the Selling Stockholder is required for the sale of the Stock by the Selling Stockholder, the execution, delivery and performance of this Agreement, the Custody Agreement or the Power of Attorney by the Selling Stockholder and the consummation by the Selling Stockholder of the transactions contemplated hereby and thereby, except for the registration of the Stock under the Securities Act and such consents, approvals, authorizations, orders, filings, registrations or qualifications as may be required under the Exchange Act and applicable state or foreign securities laws in connection with the purchase and sale of the Stock by the Underwriters.

(l) To the extent that any statements or omissions made in the Registration Statement are made in reliance upon and in conformity with written information furnished to the Company by such Selling Stockholder for inclusion therein, which information is specified in Section 10(b), such Registration Statement did not, as of the Effective Date, contain an untrue statement of a material fact or omit to state a material fact required to be stated therein or necessary to make the statements therein not misleading.

(m) To the extent that any statements or omissions made in the Prospectus are made in reliance upon and in conformity with written information furnished to the Company by such Selling Stockholder for inclusion therein, which information is specified in Section 10(b), the Prospectus will not, as of its date or as of the applicable Delivery Date, contain an untrue statement of a material fact or omit to state a material fact necessary to make the statements therein, in the light of the circumstances under which they were made, not misleading.

(n) To the extent that any statements or omissions made in the Pricing Disclosure Package are made in reliance upon and in conformity with written information furnished to the Company by such Selling Stockholder for inclusion therein, which information is specified in Section 10(b), the Pricing Disclosure Package did not, as of the Applicable Time, contain an untrue statement of a material fact or omit to state a material fact necessary to make the statements therein, in the light of the circumstances under which they were made, not misleading.

(o) To the extent that any statements or omissions made in the Pricing Disclosure Package, when taken together with each Issuer Free Writing Prospectus listed in Schedule V hereto, are made in reliance upon and in conformity with written information furnished to the Company by such Selling Stockholder for inclusion therein, which information is specified in Section 10(b), the Pricing Disclosure Package, when taken together with each Issuer Free Writing Prospectus listed in Schedule V hereto, did not, as of the Applicable Time, contain an untrue statement of a material fact or omit to state a material fact necessary to make the statements therein, in the light of the circumstances under which they were made, not misleading.

(p) The Selling Stockholder is not prompted to sell shares of Common Stock by any information concerning the Company that is not set forth in the Registration Statement, the Pricing Disclosure Package and the Prospectus.

(q) The Selling Stockholder has not taken, directly or indirectly, any action that is designed to or that has constituted or that could reasonably be expected to cause or result in the stabilization or manipulation of the price of any security of the Company in connection with the offering of the shares of the Stock.

Any certificate signed by any Selling Stockholder or, if applicable, an officer of a Selling Stockholder, and delivered to the Representatives or counsel for the Underwriters in connection with the offering of the Stock shall be deemed a representation and warranty by such Selling Stockholder, as to matters covered thereby, to each Underwriter.

3. Purchase of the Stock by the Underwriters. On the basis of the representations, warranties and covenants contained in, and subject to the terms and conditions of, this Agreement, the Company agrees to sell [—] shares of the Firm Stock and each Selling Stockholder agrees to sell the number of shares of the Firm Stock set forth opposite its name in Schedule II hereto, severally and not jointly, to the several Underwriters, and each of the Underwriters, severally and not jointly, agrees to purchase the number of shares of the Firm Stock set forth opposite that Underwriter’s name in Schedule I hereto. Each Underwriter shall be obligated to purchase from the Company, and from each Selling Stockholder, that number of shares of the Firm Stock that represents the same proportion of the number of shares of the Firm Stock to be sold by the Company and by each Selling Stockholder as the number of shares of the Firm Stock set forth opposite the name of such Underwriter in Schedule I represents to the total number of shares of the Firm Stock to be purchased by all of the Underwriters pursuant to this Agreement. The respective purchase obligations of the Underwriters with respect to the Firm Stock shall be rounded among the Underwriters to avoid fractional shares, as the Representatives may determine.

In addition, the Company grants to the Underwriters an option to purchase up to [—] additional shares of Option Stock and each Selling Stockholder grants to the Underwriters an option to purchase up to the number of shares of Option Stock set forth opposite such Selling Stockholder’s name in Schedule II hereto, severally and not jointly. Such options are exercisable in the event that the Underwriters sell more shares of Common Stock than the number of Firm Stock in the offering and as set forth in Section 5 hereof. Any such election to purchase Option Stock shall be made in proportion to the maximum number of shares of Option Stock to be sold by the Company and each Selling Shareholder as set forth in Schedule II hereto. Each Underwriter agrees, severally and not jointly, to purchase the number of shares of Option Stock (subject to such adjustments to eliminate fractional shares as the Representatives may determine) that bears the same proportion to the total number of shares of Option Stock to be sold on such Delivery Date as the number of shares of Firm Stock set forth in Schedule I hereto opposite the name of such Underwriter bears to the total number of shares of Firm Stock.

The purchase price payable by the Underwriters for both the Firm Stock and any Option Stock is $[—] per share.

The Company and the Selling Stockholders are not obligated to deliver any of the Firm Stock or Option Stock to be delivered on the applicable Delivery Date, except upon payment for all such Stock to be purchased on such Delivery Date as provided herein.

4. Offering of Stock by the Underwriters. Upon authorization by the Representatives of the release of the Firm Stock, the several Underwriters propose to offer the Firm Stock for sale upon the terms and conditions to be set forth in the Prospectus.

It is understood that approximately [—] shares of the Firm Stock (the “Directed Shares”) will initially be reserved by the several Underwriters for offer and sale upon the terms and conditions to be set forth in the most recent Preliminary Prospectus and in accordance with the rules and regulations of the Financial Industry Regulatory Authority, Inc. (“FINRA”) to parties (“Directed Share Participants”) associated with the Company and its subsidiaries who have heretofore delivered to Barclays Capital Inc. offers or indications of interest to purchase shares of Firm Stock in form reasonably satisfactory to Barclays Capital Inc. (such program, the “Directed Share Program”) and that any allocation of such Firm Stock among such persons will be made in accordance with timely directions received by Barclays Capital Inc. from the Company; provided that under no circumstances will Barclays Capital Inc. or any Underwriter be liable to the Company or to any such person for any action taken or omitted in good faith in connection with such Directed Share Program. It is further understood that any Directed Shares not orally affirmatively reconfirmed for purchase by any participant in the Directed Share Program by [—]:00 A.M., New York City time, on the first business day following the date hereof or otherwise are not purchased by such persons will be offered by the Underwriters to the public upon the terms and conditions set forth in the Prospectus.

The Company agrees to pay all fees and disbursements reasonably incurred by the Underwriters in connection with the Directed Share Program and any stamp duties or other taxes incurred by the Underwriters in connection with the Directed Share Program.

5. Delivery of and Payment for the Stock. Delivery of and payment for the Firm Stock shall be made at [—] A.M., New York City time, on the third full business day following the date of this Agreement or at such other date or place as shall be determined by agreement between the Representatives and the Company. This date and time are sometimes referred to as the “Initial Delivery Date”. Delivery of the Firm Stock shall be made to the Representatives for the account of each Underwriter against payment by the several Underwriters through the Representatives and of the respective aggregate purchase prices of the Firm Stock being sold by the Company and the Selling Stockholders to or upon the order of the Company and the Selling Stockholders of the purchase price by wire transfer in immediately available funds to the respective accounts specified by the Company and the Selling Stockholders. Time shall be of the essence, and delivery at the time and place specified pursuant to this Agreement is a further condition of the obligation of each Underwriter hereunder. The Company shall deliver the Firm Stock through the facilities of DTC unless the Representatives shall otherwise instruct.

The options granted in Section 3 will expire 30 days after the date of this Agreement and may be exercised in whole or from time to time in part by written notice being given to the Company and the Selling Stockholders by the Representatives; provided that if such date falls on a day that is not a business day, the options granted in Section 3 will expire on the next succeeding business day. Such notice shall set forth the aggregate number of shares of Option Stock as to which the options are being exercised, the names in which the shares of Option Stock are to be registered, the denominations in which the shares of Option Stock are to be issued and the date and time, as determined by the Representatives, when the shares of Option Stock are to be delivered; provided, however, that this date and time shall not be earlier than the Initial Delivery Date nor earlier than the second business day after the date on which the options shall have been exercised nor later than the fifth business day after the date on which the options shall have been exercised. Each date and time the shares of Option Stock are delivered is sometimes referred to as an “Option Stock Delivery Date”, and the Initial Delivery Date and any Option Stock Delivery Date are sometimes each referred to as a “Delivery Date”.

Delivery of the Option Stock by the Company and the Selling Stockholders and payment for the Option Stock by the several Underwriters through the Representatives shall be made at [ ] A.M., New York City time, on the date specified in the corresponding notice described in the preceding paragraph or at such other date or place as shall be determined by agreement between the Representatives and the Company. On the Option Stock Delivery Date, the Company and the Selling Stockholders shall deliver or cause to be delivered the Option Stock to the Representatives for the account of each Underwriter against payment by the several Underwriters through the Representatives and of the respective aggregate purchase prices of the Option Stock being sold by the Company and the Selling Stockholders to or upon the order of the Company and the Selling Stockholders of the purchase price by wire transfer in immediately available funds to the respective accounts specified by the Company and the Selling Stockholders. Time shall be of the essence, and delivery at the time and place specified pursuant to this Agreement is a further condition of the obligation of each Underwriter hereunder. The Company and the Selling Stockholders shall deliver the Option Stock through the facilities of DTC unless the Representatives shall otherwise instruct.

6. Further Agreements of the Company and the Underwriters. (a) The Company agrees:

(i) To prepare the Prospectus in a form approved by the Representatives and to file such Prospectus pursuant to Rule 424(b) under the Securities Act not later than the Commission’s close of business on the second business day following the execution and delivery of this Agreement; to make no further amendment or any supplement to the Registration Statement or the Prospectus prior to the last Delivery Date except as provided in this Agreement; to advise the Representatives, promptly after it receives notice thereof, of the time when any amendment or supplement to the Registration Statement or the Prospectus has been filed and to furnish the Representatives with copies thereof; to advise the Representatives, promptly after it receives notice thereof, of the issuance by the Commission of any stop order or of any order preventing or suspending the use of the Prospectus or any Issuer Free Writing Prospectus, of the suspension of the qualification of the Stock for offering or sale in any jurisdiction, of the initiation or threatening of any proceeding or examination for any such purpose or of any request by the Commission for the amending or supplementing of the Registration Statement, the Prospectus or any Issuer Free Writing Prospectus or for additional information; and, in the event of the issuance of any stop order or of any order preventing or suspending the use of the Prospectus or any Issuer Free Writing Prospectus or suspending any such qualification, to use promptly its reasonable best efforts to obtain its withdrawal.

(ii) To furnish promptly to each of the Representatives and to counsel for the Underwriters a signed copy of the Registration Statement as originally filed with the Commission, and each amendment thereto filed with the Commission, including all consents and exhibits filed therewith.

(iii) To deliver promptly to the Representatives such number of the following documents as the Representatives shall reasonably request: (A) conformed copies of the Registration Statement as originally filed with the Commission and each amendment thereto (in each case excluding exhibits other than this Agreement and the computation of per share earnings), (B) each Preliminary Prospectus, the Prospectus and any amended or supplemented Prospectus, and (C) each Issuer Free Writing Prospectus; and, if the delivery of a prospectus is required at any time after the date hereof in connection with the offering or sale of the Stock or any other securities relating thereto and if at such time any events shall have occurred as a result of which the Prospectus as then amended or supplemented would include an untrue statement of a material fact or omit to state any material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made when such Prospectus is delivered, not misleading, or, if for any other reason it shall be necessary to amend or supplement the Prospectus in order to comply with the Securities Act, to notify the Representatives and, upon their reasonable request, to file such document and to prepare and furnish without charge to each Underwriter and to any dealer in securities as many copies as the Representatives may from time to time reasonably request of an amended or supplemented Prospectus that will correct such statement or omission or effect such compliance.

(iv) To file promptly with the Commission any amendment or supplement to the Registration Statement or the Prospectus that may, in the judgment of the Company or the reasonable judgment of the Representatives, be required by the Securities Act or requested by the Commission.

(v) Prior to filing with the Commission any amendment or supplement to the Registration Statement or the Prospectus, to furnish a copy thereof to the Representatives and counsel for the Underwriters and not file any such amendment or supplement to which the Representatives reasonably object.

(vi) Not to make any offer relating to the Stock that would constitute an Issuer Free Writing Prospectus, other than as listed in Schedule V and VI, without the prior written consent of the Representatives.

(vii) To comply with all applicable requirements of Rule 433 under the Securities Act with respect to any Issuer Free Writing Prospectus. If at any time after the date hereof any events shall have occurred as a result of which any Issuer Free Writing Prospectus, as then amended or supplemented, would conflict with the information in the Registration Statement, the most recent Preliminary Prospectus or the Prospectus or would include an untrue statement of a material fact or omit to state any material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading, or, if for any other reason it shall be necessary to amend or supplement any Issuer Free Writing Prospectus, to notify the Representatives and, upon their reasonable request, to file such document and to prepare and furnish without charge to each Underwriter as many copies as the Representatives may from time to time reasonably request of an amended or supplemented Issuer Free Writing Prospectus that will correct such conflict, statement or omission or effect such compliance.

(viii) As soon as practicable after the Effective Date (it being understood that the Company shall have until at least 410 days or, if the fourth quarter following the fiscal quarter that includes the Effective Date is the last fiscal quarter of the Company’s fiscal year, 455 days after the end of the Company’s current fiscal quarter), to make generally available to the Company’s security holders and to deliver to the Representatives (or make available through the Commission’s electronic data gathering, analysis and retrieval system) an earnings statement of the Company and its subsidiaries (which need not be audited) complying with Section 11(a) of the Securities Act and the rules and regulations thereunder (including, at the option of the Company, Rule 158).

(ix) Promptly from time to time to take such action as the Representatives may reasonably request to qualify the Stock for offering and sale under the securities or Blue Sky laws of Canada and such other jurisdictions as the Representatives may reasonably request and to comply with such laws so as to permit the continuance of sales and dealings therein in such jurisdictions for as long as may be necessary to complete the distribution of the Stock; provided that in connection therewith the Company shall not be required to (i) qualify as a foreign corporation in any jurisdiction in which it would not otherwise be required to so qualify, (ii) file a general consent to service of process in any such jurisdiction, or (iii) subject itself to taxation in any jurisdiction in which it would not otherwise be subject.

(x) For a period commencing on the date hereof (the “Offering Date”) and ending on the 180th day after the date of the Prospectus (the “Lock-Up Period”), not to (A) offer for sale, sell, pledge, or otherwise directly or indirectly dispose of (or enter into any transaction or device that is designed to, or could be expected to, result in the disposition by the Company at any time in the future of) any shares of Common Stock or securities convertible into or exercisable or exchangeable for Common Stock (other than the Stock and shares or securities issued pursuant to employee benefit plans, qualified stock option plans or other compensation or incentive plans existing on the date hereof or pursuant to currently outstanding options, warrants or rights not issued under one of those plans), or sell or grant options, rights or warrants with respect to any shares of Common Stock or securities convertible into or exchangeable for Common Stock (other than the grant of options or awards pursuant to employee benefit plans, qualified stock option plans or other compensation or incentive plans existing on the date hereof), (B) enter into any swap or other derivatives transaction that, directly or indirectly, transfers to another, in whole or in part, any of the economic benefits or risks of ownership of such shares of Common Stock, whether any such transaction described in clause (A) or (B) above is to be settled by delivery of Common Stock or other securities, in cash or otherwise, (C) file or cause to be filed a registration statement, including any amendments thereto, with respect to the registration of any shares of Common Stock or securities convertible, exercisable or exchangeable into Common Stock or any other securities of the Company (other than any registration statement on Form S-8), or (D) publicly disclose the intention to do any of the foregoing, in each case without the prior written consent of Barclays Capital Inc. and ▇.▇. ▇▇▇▇▇▇ Securities LLC, on behalf of the Underwriters (provided, however, that the foregoing subclauses (A), (B), (C) and (D) shall not apply to (w) any follow-on offering conducted by Barclays Capital Inc. and ▇.▇. ▇▇▇▇▇▇ Securities LLC or (x) the issuance by the Company of Common Stock (and/or securities convertible into or exercisable or exchangeable for Common Stock) in connection with mergers or acquisitions to which the Company or its subsidiaries are a party, provided that (i) such issuance shall not exceed 10% of the shares of Common Stock outstanding, on a fully-diluted basis, immediately prior to such issuance, and (ii) prior to such issuance, the persons acquiring such securities shall furnish to the Representatives a letter or letters substantially in the form of Exhibit A hereto, any registration by the Company of such Common Stock or securities), and to use commercially reasonable efforts to cause each officer, director and stockholder of the Company set forth on Schedule III hereto to furnish to the Representatives, prior to the Initial Delivery Date, a letter or letters, substantially in the form of Exhibit A hereto (the “Lock-Up Agreements”).

Notwithstanding the foregoing, if (y) during the last 17 days of the Lock-Up Period, the Company issues an earnings release or material news or a material event relating to the Company occurs, or (z) prior to the expiration of the Lock-Up Period, the Company announces that it will release earnings results during the 16-day period beginning on the last day of the Lock-Up Period, then the restrictions imposed in this paragraph shall continue to apply until the expiration of the 18-day period beginning on the issuance of the earnings release or the announcement of the material news or the occurrence of the material event, unless Barclays Capital Inc. and ▇.▇. ▇▇▇▇▇▇ Securities LLC, on behalf of the Underwriters, agree not to require such extension in writing.

(xi) If Barclays Capital Inc. and ▇.▇. ▇▇▇▇▇▇ Securities LLC in their sole discretion, agree to release or waive the restrictions set forth in a Lock-Up Agreement for an officer or director of the Company and provide the Company with notice of the impending release or waiver at least three business days before the effective date of the release or waivers, the Company agrees to announce the impending release or waiver by issuing a press release substantially in the form of Exhibit B hereto, and containing such other information as Barclays Capital Inc. and ▇.▇. ▇▇▇▇▇▇ Securities LLC may reasonably request with respect to the circumstances of the release or waiver and/or the identity of the officer(s) and/or director(s) with respect to which the release or waiver applies, through a major news service at least two business days before the effective date of the release or waiver.

(xii) To apply the net proceeds from the sale of the Stock being sold by the Company substantially in accordance with the description as set forth in the Prospectus under the caption “Use of Proceeds.”

(xiii) To file with the Commission such information on Form 10-Q or Form 10-K as may be required by Rule 463 under the Securities Act.

(xiv) If the Company elects to rely upon Rule 462(b) under the Securities Act, the Company shall file a Rule 462(b) Registration Statement with the Commission in compliance with Rule 462(b) under the Securities Act by 10:00 P.M., Washington, D.C. time, on the date of this Agreement, and the Company shall at the time of filing pay the Commission the filing fee for the Rule 462(b) Registration Statement.

(xv) To comply with all applicable securities and other applicable laws, rules and regulations in each foreign jurisdiction in which the Directed Shares are offered in connection with the Directed Share Program.

(xvi) The Company and its controlled affiliates will not take, directly or indirectly, any action designed to or that has constituted or that reasonably would be expected to cause or result in the stabilization or manipulation of the price of any security of the Company in connection with the offering of the Stock.

(xvii) The Company shall use commercially reasonable efforts to do and perform all things required or necessary to be done and performed under this Agreement by it prior to each Delivery Date, and to satisfy all conditions precedent to the Underwriters’ obligations hereunder to purchase the Stock.

(b) Each Underwriter severally agrees that such Underwriter shall not include any “issuer information” (as defined in Rule 433 under the Securities Act) in any “free writing prospectus” (as defined in Rule 405 under the Securities Act) used or referred to by such Underwriter without the prior written consent of the Company (any such issuer information with respect to whose use the Company has given its consent, “Permitted Issuer Information”).

7. Further Agreements of the Selling Stockholders. Each Selling Stockholder agrees, severally and not jointly:

(a) It has or will deliver a Lock-Up Agreement in substantially the form of Exhibit A.

(b) Neither the Selling Stockholder nor any person acting on behalf of the Selling Stockholder (other than, if applicable, the Company and the Underwriters) shall use or refer to any “free writing prospectus” (as defined in Rule 405 under the Securities Act), relating to the Stock;

(c) To deliver to the Representatives prior to the Initial Delivery Date a properly completed and executed United States Treasury Department Form W-8 (if the Selling Stockholder is a non-United States person) or Form W-9 (if the Selling Stockholder is a United States person).

(d) The Selling Stockholder will not take, directly or indirectly, any action designed to or that has constituted or that reasonably would be expected to cause or result in the stabilization or manipulation of the price of any security of the Company in connection with the offering of the Stock.

8. Expenses. The Company agrees, whether or not the transactions contemplated by this Agreement are consummated or this Agreement is terminated, to pay all expenses, costs, fees and taxes incident to and in connection with (a) the authorization, issuance, sale and delivery of the Stock and any stamp duties or transfer or documentary taxes payable in connection with the original issuance and sale of the Stock by the Company, and the preparation and printing of certificates for the Stock; (b) the preparation, printing and filing under the Securities Act of the Registration Statement (including any exhibits thereto), any Preliminary Prospectus, the Prospectus, any Issuer Free Writing Prospectus and any amendment or supplement thereto; (c) the distribution of the Registration Statement (including any exhibits thereto), any Preliminary Prospectus, the Prospectus, any Issuer Free Writing Prospectus and any amendment or supplement thereto, all as provided in this Agreement; (d) the production and distribution of this Agreement, any supplemental agreement among Underwriters, and any other related documents in connection with the offering, purchase, sale and delivery of the Stock; (e) any required review by the FINRA of the terms of sale of the Stock (including related reasonable fees and expenses of counsel to the Underwriters); (e) the delivery and distribution of the Custody Agreements and the Powers of Attorney and the fees and expenses of the Custodian (and any other attorney-in-fact); (f) the listing of the Stock on The NASDAQ Global Select Market and/or any other exchange; (g) the qualification of the Stock under the securities laws of the several jurisdictions as provided in Section 6(a)(ix) and the preparation, printing and distribution of a Blue Sky Memorandum (including related reasonable fees and expenses of counsel to the Underwriters); (h) the preparation, printing and distribution of one or more versions of the Preliminary Prospectus and the Prospectus for distribution in Canada, often in the form of a Canadian “wrapper” (including related reasonable fees and expenses of Canadian counsel to the Underwriters); (i) the offer and sale of shares of the Stock by the Underwriters in connection with the Directed Share Program, including the reasonable fees and disbursements of counsel to the Underwriters related thereto, the costs and expenses of preparation, printing and

distribution of the Directed Share Program material and all stamp duties or other taxes incurred by the Underwriters in connection with the Directed Share Program; (j) expenses incurred by the Company in connection with the investor presentations on any “road show” undertaken in connection with the marketing of the Stock, including, without limitation, such expenses associated with any electronic road show, travel and lodging expenses of the representatives and officers of the Company and the Company’s pro rata cost by passenger of any aircraft chartered in connection with the road show by the Company or the Underwriters with the prior written approval of the Company; and (k) all other costs and expenses incident to the performance of the obligations of the Company under this Agreement; provided that, (A) except as expressly provided in this Section 8 and in Section 13, the Underwriters shall pay their own costs and expenses (including, without limitation, the costs and expenses of their counsel, any transfer taxes on the Stock which they may sell, the Underwriters’ pro rata cost by passenger of any aircraft chartered in connection with the road show and the expenses of advertising any offering of the Stock made by the Underwriters), and (B) it is understood and agreed, severally and not jointly by the Selling Stockholders, that each of the Selling Stockholders will (other than as set forth in the Amended and Restated Investor Rights Agreement, dated as of December 21, 2010, by and among the Company and the stockholders named therein) pay all of its own costs and expenses, including, without limitation, fees and disbursements of its counsel and any transfer taxes on the resale by such Selling Stockholder of any of the shares of Stock.

9. Conditions of Underwriters’ Obligations. The respective obligations of the Underwriters hereunder are subject to the accuracy, when made and on each Delivery Date, of the representations and warranties of the Company and the Selling Stockholders contained herein, to the performance by the Company and the Selling Stockholders of their respective obligations hereunder, and to each of the following additional terms and conditions:

(a) The Prospectus shall have been timely filed with the Commission in accordance with Section 6(a)(i). The Company shall have complied with all filing requirements applicable to any Issuer Free Writing Prospectus used or referred to after the date hereof; no stop order suspending the effectiveness of the Registration Statement or preventing or suspending the use of the Prospectus or any Issuer Free Writing Prospectus shall have been issued and no proceeding or examination for such purpose shall have been initiated or threatened by the Commission; and any request of the Commission for inclusion of additional information in the Registration Statement or the Prospectus or otherwise shall have been complied with. If the Company has elected to rely upon Rule 462(b) under the Securities Act, the Rule 462(b) Registration Statement shall have become effective by 10:00 P.M., Washington, D.C. time, on the date of this Agreement.

(b) No Underwriter shall have discovered and disclosed to the Company on or prior to such Delivery Date that the Registration Statement, the Prospectus or the Pricing Disclosure Package, or any amendment or supplement thereto, contains an untrue statement of a fact which, in the opinion of Ropes & ▇▇▇▇ LLP, counsel for the Underwriters, is material or omits to state a fact which, in the opinion of such counsel, is material and is required to be stated therein or is necessary to make the statements therein not misleading.

(c) All corporate proceedings and other legal matters incident to the authorization, form and validity of this Agreement, the Custody Agreements, the Powers of Attorney, the Stock, the Registration Statement, the Prospectus and any Issuer Free Writing Prospectus, and all other legal matters relating to this Agreement and the transactions contemplated hereby shall be reasonably satisfactory in all material respects to counsel for the Underwriters, and the Company and the Selling Stockholders shall have furnished to such counsel all documents and information that they may reasonably request to enable them to pass upon such matters.

(d) ▇▇▇▇▇▇▇ Coie LLP shall have furnished to the Representatives its written opinion, as counsel to the Company, addressed to the Underwriters and dated such Delivery Date, in form and substance reasonably satisfactory to the Representatives, substantially in the form attached hereto as Exhibit C-1.

(e) ▇▇▇▇▇▇▇ Coie LLP, counsel for each of the Selling Stockholders, shall have furnished to the Representatives its written opinion, as counsel to each of the Selling Stockholders, addressed to the Underwriters and dated such Delivery Date, in form and substance reasonably satisfactory to the Representatives, substantially in the form attached hereto as Exhibit C-2.

(f) The Representatives shall have received from Ropes & ▇▇▇▇ LLP, counsel for the Underwriters, such opinion or opinions, dated such Delivery Date, with respect to the issuance and sale of the Stock, the Registration Statement, the Prospectus and the Pricing Disclosure Package and other related matters as the Representatives may reasonably require, and the Company shall have furnished to such counsel such documents as they reasonably request for the purpose of enabling them to pass upon such matters.

(g) At the time of execution of this Agreement, the Representatives shall have received from Deloitte & Touche LLP a letter, in form and substance satisfactory to the Representatives, addressed to the Underwriters and dated the date hereof (i) confirming that they are independent public accountants within the meaning of the Securities Act and are in compliance with the applicable requirements relating to the qualification of accountants under Rule 2-01 of Regulation S-X of the Commission, and (ii) stating, as of the date hereof (or, with respect to matters involving changes or developments since the respective dates as of which specified financial information is given in the most recent Preliminary Prospectus, as of a date not more than three days prior to the date hereof), the conclusions and findings of such firm with respect to the financial information and other matters ordinarily covered by accountants’ “comfort letters” to underwriters in connection with registered public offerings.

(h) With respect to the letter of Deloitte & Touche LLP referred to in the preceding paragraph and delivered to the Representatives concurrently with the execution of this Agreement (the “initial letter”), the Company shall have caused to be furnished to the Representatives a letter (the “bring-down letter”) of such accountants, addressed to the Underwriters and dated such Delivery Date (i) confirming that they are independent public accountants within the meaning of the Securities Act and are in compliance with

the applicable requirements relating to the qualification of accountants under Rule 2-01 of Regulation S-X of the Commission, (ii) stating, as of the date of the bring-down letter (or, with respect to matters involving changes or developments since the respective dates as of which specified financial information is given in the Prospectus, as of a date not more than three days prior to the date of the bring-down letter), the conclusions and findings of such firm with respect to the financial information and other matters covered by the initial letter, and (iii) confirming in all material respects the conclusions and findings set forth in the initial letter.

(i) The Company shall have furnished to the Representatives a certificate, dated such Delivery Date, of its Chief Executive Officer and its Chief Financial Officer as to such matters as the Representatives may reasonably request, including, without limitation, a statement to the knowledge of such officers that:

(i) The representations, warranties and agreements of the Company in Section 1 are true and correct on and as of such Delivery Date, and the Company has complied with all its agreements contained herein and satisfied all the conditions on its part to be performed or satisfied hereunder at or prior to such Delivery Date;

(ii) No stop order suspending the effectiveness of the Registration Statement has been issued; and no proceedings or examination for that purpose have been instituted or threatened; and

(iii) They have examined the Registration Statement, the Prospectus and the Pricing Disclosure Package, and, to their knowledge, (A) (1) the Registration Statement, as of the Effective Date, (2) the Prospectus, as of its date and on the applicable Delivery Date, and (3) the Pricing Disclosure Package, as of the Applicable Time, did not and do not contain any untrue statement of a material fact and did not and do not omit to state a material fact required to be stated therein or necessary to make the statements therein (except in the case of the Registration Statement, in the light of the circumstances under which they were made) not misleading, and (B) since the Effective Date, no event has occurred that should have been set forth in a supplement or amendment to the Registration Statement, the Prospectus or any Issuer Free Writing Prospectus that has not been so set forth.

(j) Each Selling Stockholder (or the Custodian or one or more attorneys-in-fact on behalf of the Selling Stockholders) shall have furnished to the Representatives on such Delivery Date a certificate, dated such Delivery Date, signed by, or on behalf of, the Selling Stockholder (or the Custodian or one or more attorneys-in-fact) stating that the representations, warranties and agreements of the Selling Stockholder contained herein are true and correct on and as of such Delivery Date and that the Selling Stockholder has complied with all its agreements contained herein and has satisfied all the conditions on its part to be performed or satisfied hereunder at or prior to such Delivery Date.

(k) Except as disclosed in the Pricing Disclosure Package as of the Applicable Time, neither the Company nor any of its subsidiaries shall have sustained, since the date of the latest audited financial statements included in the most recent Preliminary Prospectus, any loss or interference with its business from fire, explosion, flood or other calamity, whether or not covered by insurance, or from any labor dispute or court or governmental action, order or decree, or since such date there shall not have been any change in the capital stock (other than the issuance of shares of Common Stock upon exercise of stock options and warrants described as outstanding in, and the grant of options and awards under existing equity incentive plans described in, the most recent Preliminary Prospectus) or long-term debt of the Company or any of its subsidiaries or any change, or any development involving a prospective change, in or affecting the condition (financial or otherwise), results of operations, stockholders’ equity, properties, management, business or prospects of the Company and its subsidiaries taken as a whole, the effect of which, in any such case described in this Section 9(k), is, individually or in the aggregate, in the judgment of the Representatives, so material and adverse as to make it impracticable or inadvisable to proceed with the public offering or the delivery of the Stock being delivered on such Delivery Date on the terms and in the manner contemplated in the Prospectus.

(l) Subsequent to the execution and delivery of this Agreement (i) no downgrading shall have occurred in the rating accorded the Company’s debt securities or preferred stock by any “nationally recognized statistical rating organization” (as that term is defined by the Commission for purposes of Rule 436(g)(2) under the Securities Act), and (ii) no such organization shall have publicly announced that it has under surveillance or review, with possible negative implications, its rating of any of the Company’s debt securities or preferred stock.

(m) Subsequent to the execution and delivery of this Agreement there shall not have occurred any of the following: (i) trading in (A) securities generally on The New York Stock Exchange, The NASDAQ Global Select Market, The NASDAQ Global Market or The NASDAQ Capital Market or (B) any securities of the Company on any such exchange, shall have been suspended or materially limited or the settlement of such trading generally shall have been materially disrupted or minimum prices shall have been established on any such exchange or such market by the Commission, by such exchange or by any other regulatory body or governmental authority having jurisdiction, (ii) a general moratorium on commercial banking activities shall have been declared by federal or state authorities, (iii) the United States shall have become engaged in hostilities, there shall have been an escalation in hostilities involving the United States or there shall have been a declaration of a national emergency or war by the United States, and in each case the effect of such engagement, escalation or declaration shall be such as to make it, in the judgment of the Representatives, impracticable or inadvisable to proceed with the public offering or delivery of the Stock being delivered on such Delivery Date on the terms and in the manner contemplated in the Prospectus or (iv) there shall have occurred such a material adverse change in general economic, political or financial conditions (whether within or outside the United States and including, without limitation, as a result of terrorist activities after the date hereof) and the effect of such material adverse change on the financial markets of the United States shall be such as to make it, in the judgment of

the Representatives, impracticable or inadvisable to proceed with the public offering or delivery of the Stock being delivered on such Delivery Date on the terms and in the manner contemplated in the Prospectus.

(n) The NASDAQ Global Select Market shall have approved the Stock for listing, subject only to official notice of issuance and evidence of satisfactory distribution.

(o) The Lock-Up Agreements between the Representatives and the officers, directors and stockholders of the Company set forth on Schedule III, delivered to the Representatives on or before the date of this Agreement, shall be in full force and effect on such Delivery Date.

(p) On or prior to each Delivery Date, the Company shall have furnished to the Underwriters such further certificates and documents as the Representatives may reasonably request.

All opinions, letters, evidence and certificates mentioned above or elsewhere in this Agreement shall be deemed to be in compliance with the provisions hereof only if they are in form and substance reasonably satisfactory to counsel for the Underwriters.

10. Indemnification and Contribution.

(a) The Company hereby agrees to indemnify and hold harmless each Underwriter, its affiliates, directors, officers and employees and each person, if any, who controls any Underwriter within the meaning of Section 15 of the Securities Act or Section 20 of the Exchange Act, from and against any loss, claim, damage or liability, joint or several, or any action in respect thereof (including, but not limited to, any loss, claim, damage, liability or action relating to purchases and sales of Stock), to which that Underwriter, affiliate, director, officer, employee or controlling person may become subject, under the Securities Act or otherwise, insofar as such loss, claim, damage, liability or action arises out of, or is based upon, (i) any untrue statement or alleged untrue statement of a material fact contained in (A) any Preliminary Prospectus, the Registration Statement, the Prospectus or in any amendment or supplement thereto, (B) any Issuer Free Writing Prospectus or in any amendment or supplement thereto, (C) any Permitted Issuer Information used or referred to in any “free writing prospectus” (as defined in Rule 405 under the Securities Act) used or referred to by any Underwriter, or (D) any materials or information provided to investors by, or with the written approval of, the Company in connection with the marketing of the offering of the Stock, including any “road show” (as defined in Rule 433 under the Securities Act) not constituting an Issuer Free Writing Prospectus (“Marketing Materials”), or (ii) the omission or alleged omission to state in any Preliminary Prospectus, the Registration Statement, the Prospectus, any Issuer Free Writing Prospectus or in any amendment or supplement thereto or in any Permitted Issuer Information or any Marketing Materials, any material fact required to be stated therein or necessary to make the statements therein (except in the case of the Registration Statement, in light of the circumstances under which they were made) not misleading, and shall reimburse each Underwriter and each such affiliate, director, officer, employee or controlling person promptly upon demand for any legal or

other expenses reasonably incurred by that Underwriter, affiliate, director, officer, employee or controlling person in connection with investigating or defending or preparing to defend against any such loss, claim, damage, liability or action as such expenses are incurred; provided, however, that the Company shall not be liable in any such case to the extent that any such loss, claim, damage, liability or action arises out of, or is based upon, any untrue statement or alleged untrue statement or omission or alleged omission made in any Preliminary Prospectus, the Registration Statement, the Prospectus, any Issuer Free Writing Prospectus or in any such amendment or supplement thereto or in any Permitted Issuer Information or any Marketing Materials, in reliance upon and in conformity with written information furnished to the Company through the Representatives by or on behalf of any Underwriter specifically for inclusion therein, which information consists solely of the information specified in Section 10(f). The foregoing indemnity agreement is in addition to any liability which the Company may otherwise have to any Underwriter or to any affiliate, director, officer, employee or controlling person of that Underwriter.

(b) The Selling Stockholders, severally, and not jointly, in proportion to the number of shares of Stock to be sold by each of them hereunder, shall indemnify and hold harmless each Underwriter, its affiliates, directors, officers and employees, and each person, if any, who controls any Underwriter within the meaning of Section 15 of the Securities Act or Section 20 of the Exchange Act, from and against any loss, claim, damage or liability, joint or several, or any action in respect thereof (including, but not limited to, any loss, claim, damage, liability or action relating to purchases and sales of Stock), to which that Underwriter, affiliate, director, officer, employee or controlling person may become subject, under the Securities Act or otherwise, insofar as such loss, claim, damage, liability or action arises out of, or is based upon, (i) any untrue statement or alleged untrue statement of a material fact contained in any Preliminary Prospectus, the Registration Statement, the Prospectus, any Issuer Free Writing Prospectus or in any amendment or supplement thereto or in any Marketing Materials or any “free writing prospectus” (as defined in Rule 405 under the Securities Act) (any such free writing prospectus that was prepared by or on behalf of the Selling Stockholder or used or referred to by the Selling Stockholder in connection with the offering of the Stock in violation of Section 7(b) being referred to as a “Selling Stockholder Free Writing Prospectus”), or (ii) the omission or alleged omission to state in any Preliminary Prospectus, Registration Statement, the Prospectus, any Issuer Free Writing Prospectus or in any amendment or supplement thereto or in any Marketing Materials or any Selling Stockholder Free Writing Prospectus, any material fact required to be stated therein or necessary to make the statements therein (except in the case of the Registration Statement, in light of the circumstances under which they were made) not misleading, and shall reimburse each Underwriter, its affiliates, directors, officers and employees and each such controlling person promptly upon demand for any legal or other expenses reasonably incurred by that Underwriter, its affiliates, directors, officers and employees or controlling persons in connection with investigating or defending or preparing to defend against any such loss, claim, damage, liability or action as such expenses are incurred; provided, however, that each Selling Stockholder shall be liable in any such case only to the extent that any such loss, claim, damage, liability or action arises out of, or is based upon, any untrue statement or alleged untrue statement or omission or alleged

omission made in any Preliminary Prospectus, the Registration Statement, the Prospectus, any Issuer Free Writing Prospectus or any such amendment or supplement or any Marketing Materials in reliance upon and in conformity with written information concerning such Selling Stockholder furnished to the Company by such Selling Stockholder specifically for inclusion therein, which information is limited to the information set forth in the Prospectus under the caption “Selling Stockholders”, or arises out of, or is based upon, any untrue statement or alleged untrue statement or omission or alleged omission made in any Selling Stockholder Free Writing Prospectus. No Selling Stockholder shall be liable under the indemnity agreement contained in this paragraph in excess of an amount equal to the total net proceeds (before deducting expenses but after deducting underwriting commissions and discounts) applicable to the shares of the Stock sold by such Selling Stockholder pursuant to this Agreement. The foregoing indemnity agreement is in addition to any liability that the Selling Stockholders may otherwise have to any Underwriter or any affiliate, director, officer, employee or controlling person of that Underwriter.

(c) Each Underwriter, severally and not jointly, shall indemnify and hold harmless the Company, each Selling Stockholder, its respective directors (including any person who, with his or her consent, is named in the Registration Statement as about to become a director of the Company), officers and employees, and each person, if any, who controls the Company or such Selling Stockholder within the meaning of Section 15 of the Securities Act or Section 20 of the Exchange Act, from and against any loss, claim, damage or liability, joint or several, or any action in respect thereof, to which the Company, such Selling Stockholder or any such director, officer, employee or controlling person may become subject, under the Securities Act or otherwise, insofar as such loss, claim, damage, liability or action arises out of, or is based upon, (i) any untrue statement or alleged untrue statement of a material fact contained in any Preliminary Prospectus, the Registration Statement, the Prospectus, any Issuer Free Writing Prospectus or in any amendment or supplement thereto or in any Marketing Materials, or (ii) the omission or alleged omission to state in any Preliminary Prospectus, the Registration Statement, the Prospectus, any Issuer Free Writing Prospectus or in any amendment or supplement thereto or in any Marketing Materials, any material fact required to be stated therein or necessary to make the statements therein not misleading, but in each case only to the extent that the untrue statement or alleged untrue statement or omission or alleged omission was made in reliance upon and in conformity with written information furnished to the Company through the Representatives by or on behalf of that Underwriter specifically for inclusion therein, which information is limited to the information set forth in Section 10(f). The foregoing indemnity agreement is in addition to any liability that any Underwriter may otherwise have to the Company, such Selling Stockholder or any such director, officer, employee or controlling person.

(d) Promptly after receipt by an indemnified party under this Section 10 of notice of any claim or the commencement of any action, the indemnified party shall, if a claim in respect thereof is to be made against the indemnifying party under this Section 10, notify the indemnifying party in writing of the claim or the commencement of that action; provided, however, that the failure to notify the indemnifying party shall not relieve it from any liability which it may have under this Section 10 except to the extent it

has been materially prejudiced (through the forfeiture of substantive rights and defenses) by such failure and, provided, further, that the failure to notify the indemnifying party shall not relieve it from any liability which it may have to an indemnified party otherwise than under this Section 10. If any such claim or action shall be brought against an indemnified party, the indemnifying party shall be entitled to participate therein and, to the extent that it wishes, jointly with any other similarly notified indemnifying party, to assume the defense thereof with counsel reasonably satisfactory to the indemnified party. After notice from the indemnifying party to the indemnified party of its election to assume the defense of such claim or action, the indemnifying party shall not be liable to the indemnified party under this Section 10 for any legal or other expenses subsequently incurred by the indemnified party in connection with the defense thereof other than reasonable costs of investigation; provided, however, that the indemnified party shall have the right to employ counsel to represent jointly the indemnified party and those other indemnified parties and their respective directors, officers, employees and controlling persons who may be subject to liability arising out of any claim in respect of which indemnity may be sought under this Section 10 if (i) the indemnified party and the indemnifying party shall have so mutually agreed; (ii) the indemnifying party has failed within a reasonable time to retain counsel reasonably satisfactory to the indemnified party; (iii) the indemnified party and its directors, officers, employees and controlling persons shall have reasonably concluded that there may be legal defenses available to them that are different from or in addition to those available to the indemnifying party; or (iv) the named parties in any such proceeding (including any impleaded parties) include both the indemnified parties or their respective directors, officers, employees or controlling persons, on the one hand, and the indemnifying party, on the other hand, and representation of both sets of parties by the same counsel would be inappropriate due to actual or potential differing interests between them, and in any such event the reasonable fees and expenses of such separate counsel shall be paid by the indemnifying party. It is understood and agreed that the indemnifying party shall not, in connection with any proceeding or related proceedings in the same jurisdiction, be liable for the reasonable fees and expenses of more than one separate firm (in addition to any local counsel) for all indemnified parties. Any such separate firm for any Underwriter, its affiliates, directors and officers and any control persons of such Underwriter shall be designated in writing by the Representatives, acting together, and any such separate firm for the Company, its directors, its officers who signed the Registration Statement and any control persons of the Company shall be designated in writing by the Company, and any such separate firm for the Selling Stockholders shall be designated in writing by the attorneys-in-fact under the Custody Agreement or any one of them. No indemnifying party shall (x) without the prior written consent of the indemnified parties (which consent shall not be unreasonably withheld), settle or compromise or consent to the entry of any judgment with respect to any pending or threatened claim, action, suit or proceeding in respect of which indemnification or contribution may be sought hereunder (whether or not the indemnified parties are actual or potential parties to such claim or action) unless such settlement, compromise or consent includes an unconditional release of each indemnified party from all liability arising out of such claim, action, suit or proceeding and does not include a statement as to, or an admission of fault, culpability or a failure to act by or on behalf of any indemnified party, or (y) be liable for any settlement of any such action effected

without its written consent (which consent shall not be unreasonably withheld), but if settled with the consent of the indemnifying party or if there be a final judgment for the plaintiff in any such action, the indemnifying party agrees, subject to the other terms of this Section 10, to indemnify and hold harmless any indemnified party from and against any loss or liability by reason of such settlement or judgment.

(e) If the indemnification provided for in this Section 10 shall for any reason be unavailable to or insufficient to hold harmless an indemnified party under Section 10(a), 10(b), 10(c) or 10(g) in respect of any loss, claim, damage or liability, or any action in respect thereof, referred to therein, then each indemnifying party shall, in lieu of indemnifying such indemnified party, contribute to the amount paid or payable by such indemnified party as a result of such loss, claim, damage or liability, or action in respect thereof, (i) in such proportion as shall be appropriate to reflect the relative benefits received by the Company and the Selling Stockholders, on the one hand, and the Underwriters, on the other, from the offering of the Stock (and with the proportion between the Company and the Selling Stockholders to reflect the relative benefits received by the Company and the Selling Stockholders), or (ii) if the allocation provided by clause (i) above is not permitted by applicable law, in such proportion as is appropriate to reflect not only the relative benefits referred to in clause (i) above but also the relative fault of the Company and the Selling Stockholders, on the one hand, and the Underwriters, on the other (and with the proportion between the Company and the Selling Stockholders to reflect the relative fault of the Company and the Selling Stockholders), with respect to the statements or omissions that resulted in such loss, claim, damage or liability, or action in respect thereof, as well as any other relevant equitable considerations. The relative benefits received by the Company and the Selling Stockholders, on the one hand, and the Underwriters, on the other, and between the Company and the Selling Stockholders with respect to such offering shall be deemed to be in the same proportion as the total net proceeds from the offering of the Stock purchased under this Agreement (before deducting expenses but after deducting underwriter commissions and discounts) received by the Company and the Selling Stockholders, as set forth in the table on the cover page of the Prospectus, on the one hand, and the total underwriting discounts and commissions received by the Underwriters with respect to the shares of the Stock purchased under this Agreement, as set forth in the table on the cover page of the Prospectus, on the other hand. The relative fault shall be determined by reference to whether the untrue or alleged untrue statement of a material fact or omission or alleged omission to state a material fact relates to information supplied by the Company, the Selling Stockholders or the Underwriters, the intent of the parties and their relative knowledge, access to information and opportunity to correct or prevent such statement or omission. The Company, the Selling Stockholders and the Underwriters agree that it would not be just and equitable if contributions pursuant to this Section 10(e) were to be determined by pro rata allocation (even if the Underwriters were treated as one entity for such purpose) or by any other method of allocation that does not take into account the equitable considerations referred to herein. The amount paid or payable by an indemnified party as a result of the loss, claim, damage or liability, or action in respect thereof, referred to above in this Section 10(e) shall be deemed to include, for purposes of this Section 10(e), any legal or other expenses reasonably incurred by such indemnified party in connection with investigating or defending any

such action or claim. Notwithstanding the provisions of this Section 10(e), in no event shall an Underwriter be required to contribute any amount in excess of the amount by which the total underwriting discounts and commissions received by such Underwriter with respect to the offering of the Stock exceeds the amount of any damages that such Underwriter has otherwise been required to pay by reason of such untrue or alleged untrue statement or omission or alleged omission. Notwithstanding the foregoing, in no event shall any Selling Stockholder be required to contribute any amount in excess of the amount by which the aggregate net proceeds (before deducting expenses but after deducting underwriting commissions and discounts) applicable to the shares of Stock sold by such Selling Stockholder pursuant to this Agreement exceed the amount of any damages that such Selling Stockholder has otherwise been required to pay by reason of such untrue or alleged untrue statement or omission or alleged omission. No person guilty of fraudulent misrepresentation (within the meaning of Section 11(f) of the Securities Act) shall be entitled to contribution from any person who was not guilty of such fraudulent misrepresentation. The Underwriters’ obligations to contribute as provided in this Section 10(e) are several in proportion to their respective underwriting obligations and not joint. The Selling Stockholder’ obligations to contribute pursuant to this Section 10 are several in proportion to their respective obligations to sell shares of Stock hereunder and not joint.

(f) The Underwriters severally confirm and the Company and each Selling Stockholder acknowledges and agrees that [(i) the statements regarding delivery of shares by the Underwriters set forth on the cover page of, and (ii) the list of Underwriters and their respective participation in the sale of the Stock, the statements regarding concession and reallowances and the paragraphs relating to stabilization, short positions, and penalty bids by the Underwriters appearing under the caption “Underwriting”] in, the most recent Preliminary Prospectus and the Prospectus are correct and constitute the only information concerning such Underwriters furnished in writing to the Company by or on behalf of the Underwriters specifically for inclusion in any Preliminary Prospectus, the Registration Statement, the Prospectus, any Issuer Free Writing Prospectus or in any amendment or supplement thereto or in any Marketing Materials.

(g) The Company shall indemnify and hold harmless Barclays Capital Inc. (including its affiliates, directors, officers and employees) and each person, if any, who controls Barclays Capital Inc. within the meaning of Section 15 of the Securities Act or Section 20 of the Exchange Act (“Barclays Entities”), from and against any loss, claim, damage or liability or any action in respect thereof to which any of the Barclays Entities may become subject, under the Securities Act or otherwise, insofar as such loss, claim, damage, liability or action (i) arises out of, or is based upon, any untrue statement or alleged untrue statement of a material fact contained in the prospectus wrapper material prepared by or with the approval of the Company for distribution in foreign jurisdictions to Directed Share Participants in connection with the Directed Share Program attached to the Prospectus, any Preliminary Prospectus or any Issuer Free Writing Prospectus or any omission or alleged omission to state therein a material fact required to be stated therein or necessary to make the statements therein not misleading, (ii) arises out of, or is based upon, the failure of the Directed Share Participant to pay for and accept delivery of Directed Shares which, immediately following the Effective Date of the Registration

Statement, were subject to a properly confirmed agreement to purchase with the Directed Share Participant, or (iii) is otherwise related to the Directed Share Program; provided that the Company shall not be liable under this clause (iii) for any loss, claim, damage, liability or action that is determined in a final judgment by a court of competent jurisdiction to have resulted from the gross negligence or willful misconduct of the Barclays Entities. The Company shall reimburse the Barclays Entities promptly upon demand for any legal or other expenses reasonably incurred by them in connection with investigating or defending or preparing to defend against any such loss, claim, damage, liability or action as such expenses are incurred.

11. Defaulting Underwriters.

(a) If, on any Delivery Date, any Underwriter defaults in its obligations to purchase the Stock that it has agreed to purchase under this Agreement, the remaining non-defaulting Underwriters may in their discretion arrange for the purchase of such Stock by the non-defaulting Underwriters or other persons satisfactory to the Company on the terms contained in this Agreement. If, within 36 hours after any such default by any Underwriter, the non-defaulting Underwriters do not arrange for the purchase of such Stock, then the Company shall be entitled to a further period of 36 hours within which to procure other persons satisfactory to the non-defaulting Underwriters to purchase such Stock on such terms. In the event that within the respective prescribed periods, the non-defaulting Underwriters notify the Company that they have so arranged for the purchase of such Stock, or the Company notifies the non-defaulting Underwriters that it has so arranged for the purchase of such Stock, either the non-defaulting Underwriters or the Company may postpone such Delivery Date for up to seven full business days in order to effect any changes that in the opinion of counsel for the Company or counsel for the Underwriters may be necessary in the Registration Statement, the Prospectus or in any other document or arrangement, and the Company agrees to promptly prepare any amendment or supplement to the Registration Statement, the Prospectus or in any such other document or arrangement that effects any such changes. As used in this Agreement, the term “Underwriter” includes, for all purposes of this Agreement unless the context requires otherwise, any party not listed in Schedule I hereto that, pursuant to this Section 11, purchases Stock that a defaulting Underwriter agreed but failed to purchase.

(b) If, after giving effect to any arrangements for the purchase of the Stock of a defaulting Underwriter or Underwriters by the non-defaulting Underwriters and the Company as provided in paragraph (a) above, the total number of shares of the Stock that remains unpurchased does not exceed one-eleventh of the total number of shares of all the Stock, then the Company shall have the right to require each non-defaulting Underwriter to purchase the total number of shares of Stock that such Underwriter agreed to purchase hereunder plus such Underwriter’s pro rata share (based on the total number of shares of Stock that such Underwriter agreed to purchase hereunder) of the Stock of such defaulting Underwriter or Underwriters for which such arrangements have not been made; provided that the non-defaulting Underwriters shall not be obligated to purchase more than 110% of the total number of shares of Stock that it agreed to purchase on such Delivery Date pursuant to the terms of Section 3.

(c) If, after giving effect to any arrangements for the purchase of the Stock of a defaulting Underwriter or Underwriters by the non-defaulting Underwriters and the Company as provided in paragraph (a) above, the total number of shares of Stock that remains unpurchased exceeds one-eleventh of the total number of shares of all the Stock, or if the Company shall not exercise the right described in paragraph (b) above, then this Agreement shall terminate without liability on the part of the non-defaulting Underwriters. Any termination of this Agreement pursuant to this Section 11 shall be without liability on the part of the Company, except that the Company will continue to be liable for the payment of expenses to the extent set forth in Sections 8 and 13 and except that the provisions of Section 10 shall not terminate and shall remain in effect.

(d) Nothing contained herein shall relieve a defaulting Underwriter of any liability it may have to the Company or any non-defaulting Underwriter for damages caused by its default.

12. Termination. This Agreement may be terminated by the Representatives by notice given to and received by the Company and the Selling Stockholders prior to delivery of and payment for the Firm Stock if, prior to that time, any of the events described in Section 9(n) shall have occurred.

13. Reimbursement of Underwriters’ Expenses. If (a) the Company or any Selling Stockholder shall fail to tender the Stock for delivery to the Underwriters for any reason other than as a result of Section 11 or clause (i)(A), (ii), (iii) or (iv) of Section 9(m), or (b) the Underwriters shall decline to purchase the Stock for any reason permitted under this Agreement by reason of any failure on the part of the Company or the Selling Stockholders to perform any undertaking or satisfy any condition of this Agreement or to comply with any of the terms hereof on its or their part to be performed (unless where such failure is the result of Section 11 or clause (i)(A), (ii), (iii) or (iv) of Section 9(m)) or (c) if this Agreement is terminated pursuant to Section 12 based on the occurrence of any of the events described in Section 9(m)(i)(B), the Company (or, if one or more Selling Stockholders fail to tender their shares of Stock for delivery to the Underwriters or if this Agreement is terminated as a result of such Selling Stockholder’s or Selling Stockholders’ failure to perform its or their obligations under Section 7, in each case without any fault on the part of the Company, the Underwriters or the other Selling Stockholders and other than as the result of Section 11 or clause (i)(A), (ii), (iii) or (iv) of Section 9(m), each of those Selling Stockholders) will reimburse the Underwriters for all reasonable out-of-pocket expenses (including reasonable fees and disbursements of counsel for the Underwriters) incurred by the Underwriters in connection with this Agreement and the proposed purchase of the Stock; provided, however, that, if a Selling Stockholder fails to tender its shares of Stock for delivery to the Underwriters (without any fault on the part of the Company, the Underwriters or the other Selling Stockholders and other than as the result of Section 11 or clause (i)(A), (ii), (iii) or (iv) of Section 9(m)), such Selling Stockholder agrees to reimburse the Underwriters only for such out-of-pocket costs and expenses (including the fees and expenses of their counsel) reasonably incurred by the Underwriters in connection with such Selling Stockholder’s failure to deliver its shares of the Stock.

14. Research Analyst Independence. The Company acknowledges that the Underwriters’ research analysts and research departments are required to be independent from their respective investment banking divisions and are subject to certain regulations and internal policies, and that such Underwriters’ research analysts may hold views and make statements or investment recommendations and/or publish research reports with respect to the Company and/or the offering that differ from the views of their respective investment banking divisions. The Company and the Selling Stockholders hereby waives and releases, to the fullest extent permitted by law, any claims that the Company or the Selling Stockholders may have against the Underwriters with respect to any conflict of interest that may arise from the fact that the views expressed by their independent research analysts and research departments may be different from or inconsistent with the views or advice communicated to the Company or the Selling Stockholders by such Underwriters’ investment banking divisions. The Company and the Selling Stockholders acknowledge that each of the Underwriters is a full service securities firm and as such from time to time, subject to applicable securities laws, may effect transactions for its own account or the account of its customers and hold long or short positions in debt or equity securities of the companies that may be the subject of the transactions contemplated by this Agreement.

15. No Fiduciary Duty. The Company and the Selling Stockholders acknowledge and agree that in connection with this offering, sale of the Stock or any other services the Underwriters may be deemed to be providing hereunder, notwithstanding any preexisting relationship, advisory or otherwise, between the parties or any oral representations or assurances previously or subsequently made by the Underwriters: (a) no fiduciary or agency relationship between the Company, Selling Stockholders and any other person, on the one hand, and the Underwriters, on the other, exists; (b) the Underwriters are not acting as advisors, expert or otherwise, to either the Company or the Selling Stockholders, including, without limitation, with respect to the determination of the public offering price of the Stock, and such relationship between the Company and the Selling Stockholders, on the one hand, and the Underwriters, on the other, is entirely and solely commercial, based on arms-length negotiations; (c) any duties and obligations that the Underwriters may have to the Company or Selling Stockholders shall be limited to those duties and obligations specifically stated herein; and (d) the Underwriters and their respective affiliates may have interests that differ from those of the Company and the Selling Stockholders. The Company and the Selling Stockholders hereby waive any claims that the Company or the Selling Stockholders may have against the Underwriters with respect to any breach of fiduciary duty in connection with this offering.

16. Notices, etc. All statements, requests, notices and agreements hereunder shall be in writing, and:

(a) if to the Underwriters, shall be delivered or sent by mail or facsimile transmission to Barclays Capital Inc., ▇▇▇ ▇▇▇▇▇▇▇ ▇▇▇▇▇▇, ▇▇▇ ▇▇▇▇, ▇▇▇ ▇▇▇▇ ▇▇▇▇▇, Attention: Syndicate Registration (Fax: ▇▇▇-▇▇▇-▇▇▇▇), with a copy, in the case of any notice pursuant to Section 10(d), to the Director of Litigation, Office of the General Counsel, Barclays Capital Inc., ▇▇▇ ▇▇▇▇▇▇▇ ▇▇▇▇▇▇, ▇▇▇ ▇▇▇▇, ▇▇▇ ▇▇▇▇ ▇▇▇▇▇ and to ▇.▇. ▇▇▇▇▇▇ Securities LLC, ▇▇▇ ▇▇▇▇▇▇▇ ▇▇▇▇▇▇, ▇▇▇ ▇▇▇▇▇, ▇▇▇ ▇▇▇▇, ▇▇▇ ▇▇▇▇ ▇▇▇▇▇ Attention: Equity Syndicate Desk (Fax: ▇▇▇-▇▇▇-▇▇▇▇), with a copy, in case of notice pursuant to Section 10(d), to the Director of Litigation, Office of the General Counsel, ▇.▇. ▇▇▇▇▇▇ Securities LLC, ▇▇▇ ▇▇▇▇ ▇▇▇▇▇▇, ▇▇▇ ▇▇▇▇, ▇▇▇ ▇▇▇▇ 10179);

(b) if to the Company, shall be delivered or sent by mail or facsimile transmission to the address of the Company set forth in the Registration Statement, Attention: General Counsel (Fax: (▇▇▇) ▇▇▇-▇▇▇▇), with a copy to ▇▇▇▇▇ ▇▇▇, ▇▇▇▇▇▇▇ Coie LLP, ▇▇▇▇ ▇▇▇▇▇▇▇▇▇ ▇▇▇▇▇▇, ▇▇▇▇▇ ▇▇▇▇, ▇▇▇▇▇▇, ▇▇▇▇▇▇▇▇ ▇▇▇▇▇ (Fax: (▇▇▇) ▇▇▇-▇▇▇▇); and

(c) if to any Selling Stockholders, shall be delivered or sent by mail or facsimile transmission to such Selling Stockholder at the address set forth on Schedule II hereto, with a copy to ▇▇▇▇▇ ▇▇▇, ▇▇▇▇▇▇▇ Coie LLP, ▇▇▇▇ ▇▇▇▇▇▇▇▇▇ ▇▇▇▇▇▇, ▇▇▇▇▇ ▇▇▇▇, ▇▇▇▇▇▇, ▇▇▇▇▇▇▇▇ ▇▇▇▇▇ (Fax: (▇▇▇) ▇▇▇-▇▇▇▇).

Any such statements, requests, notices or agreements shall take effect at the time of receipt thereof. The Company and the Selling Stockholders shall be entitled to act and rely upon any request, consent, notice or agreement given or made on behalf of the Underwriters by Barclays Capital Inc. on behalf of the Representatives, and the Company and the Underwriters shall be entitled to act and rely upon any request, consent, notice or agreement given or made on behalf of the Selling Stockholders by the Custodian.

17. Persons Entitled to Benefit of Agreement. This Agreement shall inure to the benefit of and be binding upon the Underwriters, the Company, the Selling Stockholders and their respective personal representatives and successors. This Agreement and the terms and provisions hereof are for the sole benefit of only those persons, except that (a) the representations, warranties, indemnities and agreements of the Company and the Selling Stockholders contained in this Agreement shall also be deemed to be for the benefit of the directors, officers and employees of the Underwriters and each person or persons, if any, who control any Underwriter within the meaning of Section 15 of the Securities Act, and (b) the indemnity agreement of the Underwriters contained in Section 10(c) of this Agreement shall be deemed to be for the benefit of the directors of the Company, the officers of the Company who have signed the Registration Statement and any person controlling the Company within the meaning of Section 15 of the Securities Act and the directors, officers and employees of, and each person, if any, who controls a Selling Stockholder within the meaning of Section 15 of the Securities Act or Section 20 of the Exchange Act. Nothing in this Agreement is intended or shall be construed to give any person, other than the persons referred to in this Section 17, any legal or equitable right, remedy or claim under or in respect of this Agreement or any provision contained herein.

18. Survival. The respective indemnities, representations, warranties and agreements of the Company, the Selling Stockholders and the Underwriters contained in this Agreement or made by or on behalf of them, respectively, pursuant to this Agreement, shall survive the delivery of and payment for the Stock and shall remain in full force and effect, regardless of any investigation made by or on behalf of any of them or any person controlling any of them.

19. Definition of the Terms “Business Day”, “Affiliate” and “Subsidiary”. For purposes of this Agreement, (a) “business day” means each Monday, Tuesday, Wednesday, Thursday or Friday that is not a day on which banking institutions in New York are generally authorized or obligated by law or executive order to close, and (b) “affiliate” and “subsidiary” have the meanings set forth in Rule 405 under the Securities Act.

20. Governing Law. This Agreement shall be governed by and construed in accordance with the laws of the State of New York.

21. Waiver of Jury Trial. The Company, the Selling Stockholders and the Underwriters hereby irrevocably waive, to the fullest extent permitted by applicable law, any and all right to trial by jury in any legal proceeding arising out of or relating to this Agreement or the transactions contemplated hereby.

22. Counterparts. This Agreement may be executed in one or more counterparts and, if executed in more than one counterpart, the executed counterparts shall each be deemed to be an original but all such counterparts shall together constitute one and the same instrument.

23. Headings. The headings herein are inserted for convenience of reference only and are not intended to be part of, or to affect the meaning or interpretation of, this Agreement.

[Signature pages follow]

If the foregoing correctly sets forth the agreement among the Company, the Selling Stockholders and the Underwriters, please indicate your acceptance in the space provided for that purpose below.


Very truly yours,

M/A-COM TECHNOLOGY SOLUTIONS HOLDINGS, INC.

By:
		Name:
		Title:

THE SELLING STOCKHOLDERS NAMED IN SCHEDULE II TO THIS AGREEMENT

By:
		Attorney-in-Fact
		Name:
		Title:

Accepted:


BARCLAYS CAPITAL INC. ▇.▇. ▇▇▇▇▇▇ SECURITIES LLC

For themselves and as Representatives of the several Underwriters named in Schedule I hereto

By BARCLAYS CAPITAL INC.

By:
		Authorized Representative

By ▇.▇. ▇▇▇▇▇▇ SECURITIES LLC

By:
		Authorized Representative

SCHEDULE I


Underwriters		Number of Shares of Firm Stock

Barclays Capital Inc.
▇.▇. ▇▇▇▇▇▇ Securities LLC
▇▇▇▇▇▇▇▇▇ & Company, Inc.
▇▇▇▇▇▇ ▇▇▇▇▇▇ & Company, Inc.
▇▇▇▇▇▇▇ & Company, LLC
▇▇▇▇▇▇▇ ▇▇▇▇▇ & Associates, Inc.
▇▇▇▇▇▇, ▇▇▇▇▇▇▇▇ & Company, Incorporated

Total

SCHEDULE II


Name and Address of Selling Stockholder	Number of Shares of Firm Stock	Number of Shares of Option Stock

[Selling Stockholder Name and Address]





Total

SCHEDULE III

PERSONS DELIVERING LOCK-UP AGREEMENTS

Directors

Officers

Stockholders

SCHEDULE IV

ORALLY CONVEYED PRICING INFORMATION

1. [Public offering price]

2. [Number of shares offered]

SCHEDULE V

ISSUER FREE WRITING PROSPECTUSES – ELECTRONIC ROAD SHOW

[Insert list of “electronic road shows”]

SCHEDULE VI

ISSUER FREE WRITING PROSPECTUS

[Insert list of all “Issuer Free Writing Prospectuses”]

EXHIBIT A

LOCK-UP LETTER AGREEMENT

BARCLAYS CAPITAL INC.

▇.▇. ▇▇▇▇▇▇ SECURITIES LLC

As Representatives of the several

Underwriters named in Schedule I

to the Underwriting Agreement,

c/o Barclays Capital Inc.

▇▇▇ ▇▇▇▇▇▇▇ ▇▇▇▇▇▇

▇▇▇ ▇▇▇▇, ▇▇▇ ▇▇▇▇ ▇▇▇▇▇

Ladies and Gentlemen:

The undersigned understands that you and certain other firms (the “Underwriters”) propose to enter into an Underwriting Agreement (the “Underwriting Agreement”) with M/A-COM Technology Solutions Holdings, Inc., a Delaware corporation (the “Company”), and the Selling Stockholders to be named therein providing for the purchase by the Underwriters of shares (the “Shares”) of common stock, par value $0.001 per share (the “Common Stock”), of the Company, and that the Underwriters propose to reoffer the Shares to the public (the “Offering”).

In consideration of the execution of the Underwriting Agreement by the Underwriters, and for other good and valuable consideration, the undersigned hereby agrees that, without the prior written consent of Barclays Capital Inc. and ▇.▇. ▇▇▇▇▇▇ Securities LLC, on behalf of the Underwriters (the “Representatives”), the undersigned will not (1) offer for sale, sell, pledge, or otherwise directly or indirectly dispose of (or enter into any transaction or device that is designed to, or could be expected to, result in the disposition by the undersigned at any time in the future of) any shares of Common Stock (including, without limitation, shares of Common Stock that may be deemed to be beneficially owned by the undersigned in accordance with the rules and regulations of the Securities and Exchange Commission and shares of Common Stock that may be issued upon exercise of any options or warrants) or securities convertible into or exercisable or exchangeable for Common Stock (collectively, “Restricted Securities”), (2) enter into any swap or other derivatives transaction that, directly or indirectly, transfers to another, in whole or in part, any of the economic benefits or risks of ownership of shares of Common Stock, whether any such transaction described in clause (1) or (2) above is to be settled by delivery of Common Stock or other securities, in cash or otherwise, (3) make any demand for or exercise any right or cause to be filed a registration statement, including any amendments thereto, with respect to the registration of any Restricted Securities (other than any demand or request for, any exercise of any right with respect to, or the taking of any other action in preparation of, a registration by the Company (a) of Restricted Securities, provided that no transfer of the undersigned’s Restricted Securities registered pursuant to any such demand or request or exercise of rights or taking of action shall occur, and no registration statement shall be filed, during the Lock-Up

Period, or (b) in connection with an exercise of so-called piggyback registration rights set forth in Section 5.02 of that certain Amended and Restated Investor Rights Agreement, dated as of December 21, 2010, by and among the Company and the stockholders named therein (the “Investor Rights Agreement”), subject to the underwriters’ rights of consent and full cutback contained therein), or (4) publicly disclose the intention to do any of the foregoing during the period commencing on the date hereof and ending 180 days after the date (the “Offering Date”) of the final prospectus relating to the Offering (such 180-day period, the “Lock-Up Period”). The undersigned further agrees that the foregoing provisions shall be equally applicable to any shares the undersigned may purchase in the Directed Share Program (as defined in the Underwriting Agreement).

The provisions of the immediately preceding paragraph shall not apply to (or otherwise restrict):

(a) Common Stock acquired in open market transactions after the completion of the Offering or acquired pursuant to the employee stock purchase plan described in the final prospectus relating to the Offering;

(b) shares of Common Stock sold by the undersigned to the Underwriters in the Offering;

(c) transfers of shares of Restricted Securities (i) to an immediate family member or a trust formed for the benefit of an immediate family member, provided that any such transfer shall not involve a disposition for value, (ii) by bona fide gift, will or intestacy, (iii) that occur by operation of law, such as rules of descent and distribution, or pursuant to a qualified domestic order or in connection with a divorce settlement, (iv) if the undersigned is a corporation, partnership or other business entity (A) to another corporation, partnership or other business entity that is a controlled or managed affiliate of the undersigned or (B) as part of a disposition, transfer or distribution without consideration by the undersigned to its stockholders, members, limited or general partners or other equity holders, (iv) if the undersigned is a trust, to a settlor, trustor, trustee, grantor, grantee or beneficiary of the trust, or (v) as collateral for any bona fide loan, provided that, in the case of any transfer, pledge or distribution pursuant to this clause (c), it shall be a condition of transfer, pledge or distribution that each transferee, trustee, donee, lender or distributee shall sign and deliver a lock-up letter agreement substantially in the form of this Lock-Up Letter Agreement;

(d) the exercise of options or warrants to purchase shares of Common Stock or the conversion of outstanding preferred stock of the Company into shares of Common Stock, provided that such shares of Common Stock shall remain subject to the terms of this Lock-Up Letter Agreement;

(e) the transfer or forfeiture of Restricted Securities solely to the Company to satisfy the applicable exercise price and/or applicable withholding taxes required to be paid upon the exercise of an option or warrant to purchase Common Stock or upon vesting of restricted stock awards or units;

(f) as required under any of the Company’s employee benefit or equity plans described in the final prospectus relating to the Offering;

(g) (i) the receipt of consideration for shares of Restricted Securities upon the consummation of a merger or consolidation of the Company (other than with a subsidiary, or group of subsidiaries, of the Company) or an acquisition of the Company by another person or entity (however structured) and any voting of the Restricted Securities in favor of or in connection with, or any public announcement in support of, such transaction or (ii) the sale of Restricted Securities upon the consummation of a sale, lease, exclusive license or other conveyance of all or substantially all of the assets of the Company, except where such sale, lease, exclusive license or other conveyance is to a subsidiary, or group of subsidiaries, of the Company;

(h) entering into a written plan meeting the requirements of Rule 10b5-1 under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), provided that, by its terms, no sales of Restricted Securities shall occur under such plan, and no public disclosure of any such action shall be required or shall be voluntarily made by the undersigned or the Company, in each case during the Lock-Up Period;

(i) the sale of securities in connection with an exercise of so-called piggyback registration rights pursuant to Section 5.02 of the Investor Rights Agreement, subject to the underwriters’ rights of consent and full cutback contained therein; or

(j) the sale of Common Stock by the undersigned in a follow-on offering conducted by Barclays Capital Inc. and ▇.▇. ▇▇▇▇▇▇ Securities LLC;

provided, that, with respect to (a) and (c) no filing by any person under the Exchange Act, or other public announcement of such gift or transfer shall be required or shall be made voluntarily, including under Section 16(a) of the Exchange Act, during the Lock-Up Period (as such may be extended pursuant to the terms hereof).

For the purposes of this Lock-Up Letter Agreement, “immediate family” means any relationship by blood, marriage (including, without limitation, “step” relationships), domestic partnership or adoption, no more remote than a first cousin.

If the undersigned is an officer or director of the Company, (i) the Representatives agree that, at least three business days before the effective date of any release or waiver of the foregoing restrictions in connection with a transfer of Restricted Securities by such officer or director of the Company, the Representatives will notify the Company of the impending release or waiver, and (ii) the Company has agreed in the Underwriting Agreement to announce the impending release or waiver by issuing a press release through a major news service at least two business days before the effective date of the release or waiver. Any release or waiver granted by the Representatives hereunder

to any such officer or director shall only be effective two business days after the publication date of such press release. The provisions of this paragraph will not apply if both (a) the release or waiver is effected solely to permit a transfer not for consideration, and (b) the transferee has agreed in writing to be bound by the same terms described in this Lock-Up Letter Agreement that are applicable to the transferor, to the extent and for the duration that such terms remain in effect at the time of the transfer.

Notwithstanding the foregoing, if (1) during the last 17 days of the Lock-Up Period, the Company issues an earnings release or material news or a material event relating to the Company occurs, or (2) prior to the expiration of the Lock-Up Period, the Company announces that it will release earnings results during the 16-day period beginning on the last day of the Lock-Up Period, then the restrictions imposed by this Lock-Up Letter Agreement shall continue to apply until the expiration of the 18-day period beginning on the issuance of the earnings release or the announcement of the material news or the occurrence of the material event, unless the Representatives agree not to require such extension in writing.

In furtherance of the foregoing, the Company and its transfer agent are hereby authorized to decline to make any transfer of Restricted Securities if such transfer would constitute a violation or breach of this Lock-Up Letter Agreement.

It is understood that, if the Company notifies the Underwriters or the Representatives notify the Company that they do not intend to proceed with the Offering, if the Underwriting Agreement does not become effective, if the Underwriting Agreement (other than the provisions thereof which survive termination) shall terminate or be terminated prior to payment for and delivery of the Shares, if the Offering has not been consummated prior to December 31, 2011, or if an application for withdrawal of the registration statement is filed with the Securities and Exchange Commission, then the undersigned will be automatically and immediately released from all obligations under this Lock-Up Letter Agreement.

The undersigned understands that the Company and the Underwriters will proceed with the Offering in reliance on this Lock-Up Letter Agreement.

Whether or not the Offering actually occurs depends on a number of factors, including market conditions. Any Offering will only be made pursuant to an Underwriting Agreement, the terms of which are subject to negotiation between the Company, the Selling Stockholders named therein and the Underwriters.

[Signature page follows]

The undersigned hereby represents and warrants that the undersigned has full power and authority to enter into this Lock-Up Letter Agreement. Any obligations of the undersigned shall be binding upon the heirs, personal representatives, successors and assigns of the undersigned.

Very truly yours,

Name:


Dated:

EXHIBIT B

FORM OF PRESS RELEASE

EXHIBIT C-1

FORM OF OPINION OF COMPANY’S COUNSEL

EXHIBIT C-2

FORM OF OPINION OF SELLING STOCKHOLDER(S)’ COUNSEL

ANNEX A

Form of Waiver of Lock-up

[Letterhead of Barclays Capital Inc.]

M/A-Com Technology Solutions Holdings, Inc.

Public Offering of Common Stock

[Insert date]

[Insert Name and Address of

Officer or Director

Requesting Waiver]

Dear Mr./Ms. [Insert Name]:

This letter is being delivered to you in connection with the offering by M/A-Com Technology Solutions Holdings, Inc. (the “Company”) of [—] shares of common stock, $[—] par value (the “Common Stock”), of the Company and the lock-up letter agreement dated [insert date] (the “Lock-Up Agreement”), executed by you in connection with such offering, and your request for a [waiver] [release] dated [insert date] with respect to [—] shares of Common Stock (the “Shares”).

[Barclays Capital Inc. and ▇.▇. ▇▇▇▇▇▇ Securities LLC], as representatives of the Underwriters (as defined in the Lock-Up Agreement), hereby agrees (subject to the proviso below) to [waive] [release] the transfer restrictions set forth in the Lock-Up Agreement, but only with respect to the Shares, effective [insert date] (the “Anticipated Effective Date”); provided, however, that such [waiver] [release] is expressly conditioned on the Company announcing the impending [waiver] [release] by issuing a press release through a major news service at least two business days before the Anticipated Effective Date. This letter will serve as notice to the Company of the impending [waiver] [release].

Except as expressly [waived] [released] hereby, the Lock-Up Agreement shall remain in full force and effect.

Yours very truly,

cc: [Insert name of issuer]

—] Shares M/A-COM TECHNOLOGY SOLUTIONS HOLDINGS, INC. Common Stock UNDERWRITING AGREEMENT

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