SCIENCE APPLICATIONS INTERNATIONAL CORPORATION Purchase Agreement

EXHIBIT 1.1

SCIENCE APPLICATIONS INTERNATIONAL CORPORATION

$300,000,000

5¹/2% Notes due 2033

Purchase Agreement

June 16, 2003

▇.▇. ▇▇▇▇▇▇ Securities Inc.

As Representative of the

several Initial Purchasers listed

in Schedule 1 hereto

c/o ▇.▇. ▇▇▇▇▇▇ Securities Inc.

▇▇▇ ▇▇▇▇ ▇▇▇▇▇▇

▇▇▇ ▇▇▇▇, ▇▇▇ ▇▇▇▇ ▇▇▇▇▇

Ladies and Gentlemen:

Science Applications International Corporation, a Delaware corporation (the “Company”), proposes to issue and sell to the several Initial Purchasers listed in Schedule 1 hereto (the “Initial Purchasers”), for whom you are acting as representative (the “Representative”), $300,000,000 principal amount of its 5¹/2% Notes due 2033 (the “Securities”). The Securities will be issued pursuant to an Indenture (the “Indenture”) dated as of June 28, 2002 between the Company, and JPMorgan Chase Bank, as trustee (the “Trustee”).

The Securities will be sold to the Initial Purchasers without being registered under the Securities Act of 1933, as amended (the “Securities Act”), in reliance upon an exemption therefrom. The Company will prepare an offering memorandum dated the date hereof (the “Offering Memorandum”) setting forth information concerning the Company and the Securities. Copies of the Offering Memorandum will be delivered by the Company to the Initial Purchasers pursuant to the terms of this Agreement. The Company hereby confirms that it has authorized the use of the Offering Memorandum in connection with the offering and resale of the Securities by the Initial Purchasers in the manner contemplated by this Agreement. Capitalized terms used but not defined herein shall have the meanings given to such terms in the Offering Memorandum. References herein to the Offering Memorandum shall be deemed to refer to and include any document incorporated by reference therein.

Holders of the Securities (including the Initial Purchasers and their direct and indirect transferees) will be entitled to the benefits of a Registration Rights Agreement, to be dated the Closing Date (as defined below) and substantially in the form attached hereto as Exhibit A (the “Registration Rights Agreement”), pursuant to which the Company will agree to file one or more registration statements with the Securities and Exchange Commission (the “Commission”) providing for the registration under the

Securities Act of the Securities or the Exchange Securities referred to (and as defined) in the Registration Rights Agreement.

The Company hereby confirms its agreement with the several Initial Purchasers concerning the purchase and resale of the Securities, as follows:

1. Purchase and Resale of the Securities. (a) The Company agrees to issue and sell the Securities to the several Initial Purchasers as provided in this Agreement, and each Initial Purchaser, on the basis of the representations, warranties and agreements set forth herein and subject to the conditions set forth herein, agrees, severally and not jointly, to purchase from the Company the principal amount of Securities set forth opposite such Initial Purchaser’s name in Schedule 1 hereto at a price equal to 97.762% of the principal amount of the Securities plus accrued interest, if any, from June 19, 2003 to the Closing Date. The Company will not be obligated to deliver any of the Securities except upon payment for all the Securities to be purchased as provided herein.

(b) The Company understands that the Initial Purchasers intend to offer the Securities for resale on the terms set forth in the Offering Memorandum. Each Initial Purchaser, severally and not jointly, represents, warrants and agrees that:

(i) it is a qualified institutional buyer within the meaning of Rule 144A under the Securities Act (a “QIB”) and an accredited investor within the meaning of Rule 501(a) under the Securities Act;

(ii) it has not solicited offers for, or offered or sold, and will not solicit offers for, or offer or sell, the Securities by means of any form of general solicitation or general advertising within the meaning of Rule 502(c) of Regulation D under the Securities Act (“Regulation D”) or in any manner involving a public offering within the meaning of Section 4(2) of the Securities Act; and

(iii) it has not solicited offers for, or offered or sold, and will not solicit offers for, or offer or sell, the Securities as part of their initial offering except:

(A) within the United States to persons whom it reasonably believes to be QIBs in transactions pursuant to Rule 144A under the Securities Act (“Rule 144A”) and in connection with each such sale, it has taken or will take reasonable steps to ensure that the purchaser of the Securities is aware that such sale is being made in reliance on Rule 144A; or

(B) in accordance with the restrictions set forth in Annex A hereto.

(c) Each Initial Purchaser acknowledges and agrees that the Company and, for purposes of the opinions to be delivered to the Initial Purchasers pursuant to Sections 5(f) and 5(g), counsel for the Company and counsel for the Initial Purchasers,

respectively, may rely upon the accuracy of the representations and warranties of the Initial Purchasers, and compliance by the Initial Purchasers with their agreements, contained in paragraph (b) above (including Annex A hereto), and each Initial Purchaser hereby consents to such reliance.

(d) The Company acknowledges and agrees that the Initial Purchasers may offer and sell Securities to or through any affiliate of an Initial Purchaser and that any such affiliate may offer and sell Securities purchased by it to or through any Initial Purchaser.

2. Payment and Delivery. (a) Payment for and delivery of the Securities will be made at the offices of ▇▇▇▇▇▇▇▇ & ▇▇▇▇▇▇▇▇, ▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇, ▇▇▇ ▇▇▇▇, ▇▇▇ ▇▇▇▇ at 10:00 A.M., New York City time, on June 19, 2003, or at such other time or place on the same or such other date, not later than the fifth business day thereafter, as the Representative and the Company may agree upon in writing. The time and date of such payment and delivery is referred to herein as the “Closing Date”.

(b) Payment for the Securities shall be made by wire transfer in immediately available funds to the account(s) specified by the Company to the Representative against delivery to the nominee of The Depository Trust Company, for the account of the Initial Purchasers, of one or more global notes representing the Securities (collectively, the “Global Note”). The Global Note will be made available for inspection by the Representative not later than 1:00 P.M., New York City time, on the business day prior to the Closing Date.

3. Representations and Warranties of the Company. The Company represents and warrants to each Initial Purchaser that:

(a) Offering Memorandum. The Offering Memorandum, in the form first used by the Initial Purchasers to confirm sales of the Securities and as of the Closing Date, will not, contain any untrue statement of a material fact or omit to state a material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading; provided that the Company makes no representation or warranty with respect to any statements or omissions made in reliance upon and in conformity with information relating to any Initial Purchaser furnished to the Company in writing by such Initial Purchaser through the Representative expressly for use in the Offering Memorandum.

(b) Incorporated Documents. The documents incorporated by reference in the Offering Memorandum, when filed with the Commission, conformed or will conform, as the case may be, in all material respects with the requirements of the Exchange Act and did not and will not contain, as of their respective dates, an untrue statement of a material fact or omit to state a material fact required to be stated therein or necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading.

(c) Financial Statements. The financial statements and the related notes thereto included or incorporated by reference in the Offering Memorandum present fairly the consolidated financial position of the Company and its consolidated subsidiaries as of the dates indicated and the results of their operations and the changes in their consolidated cash flows for the periods specified; such financial statements have been prepared in all material respects in conformity with generally accepted accounting principles applied on a consistent basis throughout the periods covered thereby.

(d) No Material Adverse Change. Since the date of the most recent financial statements of the Company included or incorporated by reference in the Offering Memorandum, there has not been any material change in the capital stock or long-term debt of the Company or any of its subsidiaries, or any material adverse change, or any development involving a prospective material adverse change, in or affecting the business, financial position, stockholders’ equity or results of operations of the Company and its subsidiaries taken as a whole other than as set forth or contemplated in the Offering Memorandum.

(e) Organization and Good Standing. The Company has been duly incorporated and is validly existing as a corporation in good standing under the laws of its jurisdiction of incorporation, with power and authority (corporate and other) to own its properties and conduct its business as described in the Offering Memorandum, and has been duly qualified as a foreign corporation for the transaction of business and is in good standing under the laws of each other jurisdiction in which it owns or leases properties, or conducts any business, so as to require such qualification, other than where the failure to be so qualified or in good standing would not have a material adverse effect on the Company and its subsidiaries taken as a whole; each of the Company’s “significant subsidiaries”, as defined pursuant to Rule 1-02 of Regulation S-X (such subsidiaries, collectively, the “Significant Subsidiaries”), has been duly incorporated and is validly existing as a corporation under the laws of its jurisdiction of incorporation, with power and authority (corporate and other) to own its properties and conduct its business as described in the Offering Memorandum, and has been duly qualified as a foreign corporation for the transaction of business and is in good standing under the laws of each jurisdiction in which it owns or leases properties or conducts any business so as to require such qualification, other than where the failure to be so qualified or in good standing would not have a material adverse effect on the Company and its subsidiaries taken as a whole; and all the outstanding shares of capital stock of each Significant Subsidiary of the Company have been duly authorized and validly issued, are fully-paid and non-assessable, and (except for directors’ qualifying shares or as described in the Offering Memorandum) are owned by the Company, directly or indirectly, free and clear of all liens, encumbrances, security interests and claims.

(f) The Securities. The Securities have been duly authorized by the Company, and, when duly executed, authenticated, issued and delivered as provided in the Indenture and paid for as provided for herein, will constitute valid and binding obligations of the Company entitled to the benefits provided by the Indenture, except to the extent such enforceability may be limited by applicable bankruptcy, insolvency,

fraudulent conveyance, reorganization, moratorium and other similar laws affecting creditors’ rights generally and except as enforcement thereof is subject to general equitable principles (whether considered in a proceeding in equity or at law).

(g) The Exchange Securities. On the Closing Date, the Exchange Securities will have been duly authorized by the Company and, when duly executed, authenticated, issued and delivered as contemplated by the Registration Rights Agreement, will be duly and validly issued and outstanding and will constitute valid and binding obligations of the Company entitled to the benefits provided by the Indenture, except to the extent such enforceability may be limited by applicable bankruptcy, insolvency, fraudulent conveyance, reorganization, moratorium and other similar laws affecting creditors’ rights generally and except as enforcement thereof is subject to general equitable principles (whether considered in a proceeding in equity or at law).

(h) Purchase and Registration Rights Agreements. This Agreement has been duly authorized, executed and delivered by the Company; and the Registration Rights Agreement has been duly authorized by the Company and, when duly executed and delivered in accordance with its terms by each of the parties thereto, will constitute a valid and binding agreement of the Company, except to the extent such enforceability may be limited by applicable bankruptcy, insolvency, fraudulent conveyance, reorganization, moratorium and other similar laws affecting creditors’ rights generally and except as enforcement thereof is subject to general equitable principles (whether considered in a proceeding in equity or at law), and any rights to indemnity and contribution may be limited by federal and state securities laws and public policy considerations.

(i) The Indenture. The Indenture has been duly authorized, executed and delivered by the Company and the Trustee and the Indenture constitutes a valid and binding instrument, except to the extent such enforceability may be limited by applicable bankruptcy, insolvency, fraudulent conveyance, reorganization, moratorium and other similar laws affecting creditors’ rights generally and except as enforcement thereof is subject to general equitable principles (whether considered in a proceeding in equity or at law); the Indenture substantially conforms, and the Securities will substantially conform, to the descriptions thereof in the Offering Memorandum; and the Indenture conforms in all material respects to the requirements of the Trust Indenture Act of 1939, as amended, and the rules and requirements of the Commission applicable to an indenture that is qualified thereunder.

(j) No Violation or Default. Neither the Company nor any of its subsidiaries is, or with the giving of notice or lapse of time or both would be, in violation of or in default under, its certificate of incorporation (“Certificate of Incorporation”) or by-laws (“By-Laws”) or any indenture, mortgage, deed of trust, loan agreement, contract or subcontract or other agreement or instrument to which the Company or any of its subsidiaries is a party or by which it or any of them or any of their respective properties is bound except for violations and defaults which individually and in the aggregate are not material to the Company and its subsidiaries taken as a whole.

(k) No Conflicts. The issue and sale of the Securities and the performance by the Company of all its obligations under the Securities, the Indenture, the Registration Rights Agreement and this Agreement and the consummation of the transactions herein and therein contemplated will not conflict with or result in a breach of any of the terms or provisions of, or constitute a default under, any indenture, mortgage, deed of trust, loan agreement, contract or subcontract 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, except for conflicts, breaches or defaults which individually and in the aggregate are not material to the Company and its subsidiaries taken as a whole, nor will any such action result in any violation of the provisions of the Certificate of Incorporation or the By-Laws of the Company or any applicable law or statue or any order, rule or regulation of any court or governmental agency or body having jurisdiction over the Company, its subsidiaries or any of their respective properties other than violations of any applicable law or statue or any order, rule or regulation of any court or governmental agency or body having jurisdiction over the Company, its subsidiaries or any of their respective properties, which would not, individually and in the aggregate, have a material adverse effect on the Company and its subsidiaries taken as a whole.

(l) No Consents Required. Assuming the accuracy of the Initial Purchasers’ representations contained herein, no consent, approval, authorization, order, license, registration or qualification of or with any such court or governmental agency or body is required for the issue and sale of the Securities or the consummation by the Company of the transactions contemplated by this Agreement, the Indenture or the Registration Rights Agreement, except such consents, approvals, authorizations, orders, licenses, registrations or qualifications as may be required under the Securities Act, the Trust Indenture Act and state securities or Blue Sky laws pursuant to the Registration Rights Agreement and as may be required under state securities or Blue Sky Laws in connection with the purchase and resale of the Securities by the Initial Purchasers.

(m) Legal Proceedings. Other than as set forth or contemplated in the Offering Memorandum, there are no legal or governmental investigations, actions, suits or proceedings pending or, to the knowledge of the Company, threatened, to which the Company or any of its subsidiaries is or may be a party which, if determined adversely to the Company or any of its subsidiaries, would, individually or in the aggregate, have a material adverse effect on the business, financial position, stockholders’ equity or results of operations of the Company and its subsidiaries taken as a whole.

(n) Independent Accountants. Deloitte & Touche, LLP who have certified certain financial statements of the Company and its subsidiaries are independent public accountants as required by the Securities Act.

(o) Investment Company Act. The Company is not, and after giving effect to the offering and sale of the Securities and the application of the proceeds thereof as described in the Offering Memorandum will not be, an “investment company” or an entity “controlled” by an “investment company” within the meaning of the Investment

Company Act of 1940, as amended, and the rules and regulations of the Commission thereunder (collectively, “Investment Company Act”).

(p) No Broker’s Fees. None of the Company, or 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 any Initial Purchaser for a brokerage commission, finder’s fee or like payment in connection with the offering and sale of the Securities.

(q) Rule 144A Eligibility. On the Closing Date, the Securities will not be of the same class as securities listed on a national securities exchange registered under Section 6 of the Exchange Act or quoted in an automated inter-dealer quotation system; and the Offering Memorandum, as of its date, will contain all the information that, if requested by a prospective purchaser of the Securities, would be required to be provided to such prospective purchaser pursuant to Rule 144A(d)(4) under the Securities Act.

(r) No Integration. None of the Company, or any of its affiliates (as defined in Rule 501(b) of Regulation D) has, directly or through any agent, sold, offered for sale, solicited offers to buy or otherwise negotiated in respect of, any security (as defined in the Securities Act), that is or will be integrated with the sale of the Securities in a manner that would require registration of the Securities under the Securities Act.

(s) No General Solicitation or Directed Selling Efforts. None of the Company, or any of its affiliates or any other person acting on its or their behalf (other than the Initial Purchasers, as to which no representation is made) has (i) solicited offers for, or offered or sold, the Securities by means of any form of general solicitation or general advertising within the meaning of Rule 502(c) of Regulation D or in any manner involving a public offering within the meaning of Section 4(2) of the Securities Act or (ii) engaged in any directed selling efforts within the meaning of Regulation S under the Securities Act (“Regulation S”), and all such persons have complied with the offering restrictions requirement of Regulation S.

(t) Securities Law Exemptions. Assuming the accuracy of the representations and warranties of the Initial Purchasers contained in Section 1(b) (including Annex A hereto) and their compliance with their agreements set forth therein, it is not necessary, in connection with the issuance and sale of the Securities to the Initial Purchasers and the offer, resale and delivery of the Securities by the Initial Purchasers in the manner contemplated by this Agreement and the Offering Memorandum, to register the Securities under the Securities Act or to qualify the Indenture under the Trust Indenture Act.

(u) No Stabilization. The Company has not taken, directly or indirectly, any action designed to or that could reasonably be expected to cause or result in any stabilization or manipulation of the price of the Securities.

(v) Forward-Looking Statements. No forward-looking statement (within the meaning of Section 27A of the Securities Act and Section 21E of the Exchange Act) contained or incorporated by reference in the Offering Memorandum has been made or reaffirmed without a reasonable basis or has been disclosed other than in good faith.

(w) Taxes. Except as described in the Offering Memorandum, there is no deficiency with respect to taxes which has been or would reasonably be expected to be asserted against the Company or any of its subsidiaries that would have a material adverse effect on the Company or its subsidiaries taken as a whole.

(x) Licenses and Permits. Each of the Company and its subsidiaries owns, possesses or has obtained all licenses, permits, certificates, consents, orders, approvals and other authorizations from, and has made all declarations and filings with, all federal, state, local and other governmental authorities (including foreign regulatory agencies), all self-regulatory organizations and all courts and other tribunals, domestic or foreign, necessary to own or lease, as the case may be, and to operate its properties and to carry on its business as conducted as of the date hereof, except for those instances in which the failure to do so would not, individually and in the aggregate, have a material adverse effect on the Company and its subsidiaries taken as a whole; except as set forth in the Offering Memorandum, neither the Company nor any subsidiary has received any actual notice of any proceeding relating to revocation or modification of any such license, permit, certificate, consent, order, approval or other authorization, except for notices the content of which if accurate would not, individually and in the aggregate, have a material adverse effect on the Company and its subsidiaries taken as a whole; and each of the Company and its subsidiaries is in compliance with all laws and regulations relating to the conduct of its business as conducted as of the date hereof, except for the instances in which the failure to so be in compliance, individually and in the aggregate, would not have a material adverse effect on the Company and its subsidiaries taken as a whole.

(y) Intellectual Property. Each of the Company and its subsidiaries owns, possesses or has the right to use the Intellectual Property employed by it in connection with the business conducted by it as of the date hereof, except for those instances in which the failure to do so would not, individually and in the aggregate, have a material adverse effect on the Company and its subsidiaries taken as a whole; and, except as set forth in the Offering Memorandum, neither the Company nor any subsidiary has received any notice of the infringement of asserted rights of others with respect to any Intellectual Property, except for notices the content of which if accurate would not, individually and in the aggregate, have a material adverse effect on the Company and its subsidiaries taken as a whole; “Intellectual Property” means all patents, patent applications, trademarks, trademark applications, service marks, tradenames, copyrights, trade secrets, know-how (including all unpatented or unpatentable proprietary or confidential information, systems or procedures), technology, inventions, designs, processes, methods, technical data and information or other intangible asset or any license or other right to any of the foregoing.

(z) Contracts. All contracts and subcontracts from which the Company and its Significant Subsidiaries derive revenue in connection with the business conducted by them on the date hereof are valid and binding obligations of the Company and/or one or more of its Significant Subsidiaries, as the case may be, except for such contracts which, if not so valid and binding, would not have had and would not have, individually and in the aggregate, a material adverse effect on the Company and its subsidiaries taken as a whole, and, to the Company’s knowledge, no party thereto is, or with the giving or notice or the lapse of time or both would be, in default thereunder, except in such cases as have not had and would not have, individually and in the aggregate, a material adverse effect on the Company and its subsidiaries taken as a whole.

4. Further Agreements of the Company. The Company covenants and agrees with each Initial Purchaser that:

(a) Delivery of Copies. The Company will deliver to the Initial Purchasers as many copies of the Offering Memorandum (including all amendments and supplements thereto) as the Representative may reasonably request.

(b) Amendments or Supplements. From the date hereof until the completion of the initial offering, before making or distributing any amendment or supplement to the Offering Memorandum (excluding any documents incorporated by reference therein), the Company will furnish to the Representative and counsel for the Initial Purchasers a copy of the proposed amendment or supplement for review, and will not distribute any such proposed amendment or supplement (other than one resulting from the filing of any document under the Exchange Act which the Initial Purchasers were afforded a reasonable opportunity, in light of the circumstances in which such filing is made, to comment upon) or file any such document with the Commission to which the Representative reasonably objects, unless in the Company’s judgment such distribution or filing is necessary to comply with the securities laws.

(c) Notice to the Representative. The Company will advise the Representative promptly, and confirm such advice in writing, (i) of the issuance by any governmental or regulatory authority of any order preventing or suspending the use of the Offering Memorandum or the initiation or threatening of any proceeding for that purpose; (ii) of the occurrence of any event at any time prior to the completion of the initial offering of the Securities as a result of which the Offering Memorandum as then amended or supplemented would include any untrue statement of a material fact or omit to state a material fact necessary in order to make the statements therein, in the light of the circumstances existing when the Offering Memorandum is delivered to a purchaser, not misleading; and (iii) of the receipt by the Company of any notice with respect to any suspension of the qualification of the Securities for offer and sale in any jurisdiction or the initiation or threatening of any proceeding for such purpose; and the Company will use its reasonable best efforts to prevent the issuance of any such order preventing or suspending the use of the Offering Memorandum or suspending any such qualification of the Securities and, if any such order is issued, will obtain as soon as possible the withdrawal thereof.

(d) Ongoing Compliance of the Offering Memorandum. If at any time prior to the completion of the initial offering of the Securities (i) any event shall occur or condition shall exist as a result of which the Offering Memorandum as then amended or supplemented would include any 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 existing when the Offering Memorandum is delivered to a purchaser, not misleading or (ii) it is necessary to amend or supplement the Offering Memorandum to comply with law, the Company will immediately notify the Initial Purchasers thereof and forthwith prepare and, subject to paragraph (b) above, file with the Commission any document to be incorporated by reference therein or furnish to the Initial Purchasers such amendments or supplements to the Offering Memorandum as may be necessary so that the statements in the Offering Memorandum as so amended or supplemented (or including such document to be incorporated by reference therein) will not, in the light of the circumstances existing when the Offering Memorandum is delivered to a purchaser, be misleading or so that the Offering Memorandum will comply with law.

(e) Blue Sky Compliance. The Company will cooperate with the Initial Purchasers to qualify the Securities for offer and sale under the securities or Blue Sky laws of such jurisdictions as the Representative shall reasonably request and will continue such qualifications in effect so long as required for the offering and resale of the Securities; provided that the Company shall not be required to (i) qualify as a foreign corporation or other entity or as a dealer in securities in any such jurisdiction where it would not otherwise be required to so qualify, (ii) file any general consent to service of process in any such jurisdiction, (iii) subject itself to taxation in any such jurisdiction if it is not so subject, or (iv) make any change to its Certificate of Incorporation or By-laws or any agreement between it and its stockholders.

(f) Clear Market. During the period from the date hereof through and including the Closing Date, the Company will not, without the prior written consent of the Representative, offer, sell, contract to sell or otherwise dispose of any debt securities of the Company which are substantially similar to the Securities.

(g) Use of Proceeds. The Company will apply the net proceeds from the sale of the Securities as described in the Offering Memorandum under the heading “Use of Proceeds”.

(h) DTC. The Company will assist the Initial Purchasers in arranging for the Securities to be eligible for clearance and settlement through The Depository Trust Company (“DTC”).

(i) No Resales by the Company. Until the issuance of the Exchange Securities, the Company will not, and will not permit any of its affiliates (as defined in Rule 144 under the Securities Act) to, resell any of the Securities that have been acquired by any of them, except for Securities purchased by the Company or any of its affiliates and resold in a transaction registered under the Securities Act.

(j) No Integration. None of the Company or any of its affiliates (as defined in Rule 501(b) of Regulation D) will, directly or through any agent, sell, offer for sale, solicit offers to buy or otherwise negotiate in respect of, any security (as defined in the Securities Act), that is or will be integrated with the sale of the Securities in a manner that would require registration of the Securities under the Securities Act.

(k) No General Solicitation or Directed Selling Efforts. None of the Company or any of its affiliates or any other person acting on its or their behalf (other than the Initial Purchasers, as to which no covenant is given) will (i) solicit offers for, or offer or sell, the Securities by means of any form of general solicitation or general advertising within the meaning of Rule 502(c) of Regulation D or in any manner involving a public offering within the meaning of Section 4(2) of the Securities Act or (ii) engage in any directed selling efforts within the meaning of Regulation S, and all such persons will comply with the offering restrictions requirement of Regulation S.

(l) No Stabilization. The Company will not take, directly or indirectly, any action designed to or that could reasonably be expected to cause or result in any stabilization or manipulation of the price of the Securities.

5. Conditions of Initial Purchasers’ Obligations. The obligation of each Initial Purchaser to purchase Securities on the Closing Date as provided herein is subject to the performance by the Company of its obligations hereunder and to the following additional conditions:

(a) Representations and Warranties. The representations and warranties of the Company contained herein shall be true and correct on the date hereof and on and as of the Closing Date; and the statements of the Company and its officers made in any certificates delivered pursuant to this Agreement shall be true and correct on and as of the Closing Date.

(b) No Downgrade. Subsequent to the execution and delivery of this Agreement and prior to the Closing Date, (i) no downgrading shall have occurred in the rating accorded the Securities or any other debt securities or preferred stock issued by the Company by any “nationally recognized statistical rating organization”, as such 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, its rating of the Securities or of any other debt securities or preferred stock issued by the Company (other than an announcement with positive implications of a possible upgrading or confirmation of existing ratings).

(c) No Material Adverse Change. Subsequent to the execution and delivery of this Agreement, no event or condition of a type described in Section 3(d) hereof shall have occurred or shall exist, which event or condition is not described in the Offering Memorandum (excluding any amendment or supplement thereto or any document filed with the Commission after the date hereof and incorporated by reference therein) and the effect of which in the reasonable judgment of the Representative makes it

impracticable or inadvisable to proceed with the offering, sale or delivery of the Securities on the terms and in the manner contemplated by this Agreement and the Offering Memorandum.

(d) Officer’s Certificate. The Representative shall have received on and as of the Closing Date a certificate of an executive officer of the Company who has specific knowledge of the Company’s financial matters, acting as an officer of the Company and not in an individual capacity, and is satisfactory to the Representative confirming that the Company has complied with all agreements and satisfied all conditions on its part to be performed or satisfied hereunder at or prior to the Closing Date and to the effect set forth in paragraphs (a) through (c) above.

(e) Comfort Letter. On the Closing Date, Deloitte & Touche, LLP shall have furnished to the Representative, at the request of the Company, a letter, dated the Closing Date, of delivery thereof and addressed to the Initial Purchasers, in form and substance reasonably satisfactory to the Representative, containing statements and information of the type customarily included in accountants’ “comfort letters” to initial purchasers with respect to the financial statements and certain financial information contained or incorporated by reference in the Offering Memorandum; provided that the letter shall use a “cut-off” date no more than three business days prior to the Closing Date.

(f) Opinion of Counsel for the Company. Fried, Frank, Harris, ▇▇▇▇▇▇▇ & ▇▇▇▇▇▇▇▇, counsel for the Company, shall have furnished to the Representative, at the request of the Company, their written opinion, dated the Closing Date and addressed to the Initial Purchasers, in form and substance reasonably satisfactory to the Representative, substantially to the effect set forth in Annex B hereto. In rendering such opinions, such counsel may rely as to matters of fact, to the extent such counsel deems proper, on certificates of responsible officers of the Company and certificates or other written statements of official jurisdictions having custody of documents respecting the corporate existence or good standing of the Company. The opinion of Fried, Frank, Harris, ▇▇▇▇▇▇▇ & ▇▇▇▇▇▇▇▇ described above shall be rendered to the Initial Purchasers at the request of the Company and shall state so therein.

(g) Opinion of Counsel of the Company. ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇, Senior Vice President and General Counsel of the Company, shall have furnished to the Representative his written opinion, dated the Closing Date, in form and substance reasonably satisfactory to the Representative, to the effect set forth in Annex C hereto. In rendering such opinions, such counsel may rely as to matters of fact, to the extent such counsel deems proper, on certificates of responsible officers of the Company and certificates or other written statements of public officials.

(h) Opinion of Counsel for the Initial Purchasers. The Representative shall have received on and as of the Closing Date an opinion of ▇▇▇▇▇▇▇▇ & ▇▇▇▇▇▇▇▇ LLP, counsel for the Initial Purchasers, with respect to such matters as the Representative

may reasonably request, and such counsel shall have received such documents and information as they may reasonably request to enable them to pass upon such matters.

(i) No Legal Impediment to Issuance. No action shall have been taken and no statute, rule, regulation or order shall have been enacted, adopted or issued by any federal, state or foreign governmental or regulatory authority that would, as of the Closing Date, prevent the issuance or sale of the Securities; and no injunction or order of any federal, state or foreign court shall have been issued that would, as of the Closing Date, prevent the issuance or sale of the Securities.

(j) Good Standing. The Representative shall have received on and as of the Closing Date satisfactory evidence of the good standing of the Company in its jurisdiction of organization and its good standing in such other jurisdictions as the Representative may reasonably request, in each case in writing or any standard form of telecommunication, from the appropriate governmental authorities of such jurisdictions.

(k) Registration Rights Agreement. The Initial Purchasers shall have received a counterpart of the Registration Rights Agreement that shall have been executed and delivered by a duly authorized officer of the Company.

(l) DTC. The Securities shall be eligible for clearance and settlement through DTC.

(m) Additional Documents. On or prior to the Closing Date, the Company shall have furnished to the Representative such further certificates and documents as the Representative may reasonably request.

All opinions, letters, certificates and evidence 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 the Initial Purchasers.

6. Indemnification and Contribution.

(a) Indemnification of the Initial Purchasers. The Company agrees to indemnify and hold harmless each Initial Purchaser, its affiliates and each person, if any, who controls such Initial Purchaser within the meaning of Section 15 of the Securities Act or Section 20 of the Exchange Act, from and against any and all losses, claims, damages and liabilities (including, without limitation, reasonable legal fees and other expenses incurred in connection with any suit, action or proceeding or any claim asserted), joint or several, caused by any untrue statement or alleged untrue statement of a material fact contained in the Offering Memorandum (or any amendment or supplement thereto), or caused by any omission or alleged omission to state therein a material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading, except insofar as such losses, claims, damages or liabilities are caused by any untrue statement or omission or alleged untrue statement or omission made in reliance upon and in conformity with any

information relating to any Initial Purchaser furnished to the Company in writing by such Initial Purchaser through the Representative expressly for use therein.

(b) Indemnification of the Company. Each Initial Purchaser agrees, severally and not jointly, to indemnify and hold harmless the Company, its affiliates and each person, if any, who controls the Company within the meaning of Section 15 of the Securities Act or Section 20 of the Exchange Act to the same extent as the indemnity set forth in paragraph (a) above, but only with respect to any losses, claims, damages or liabilities caused by any untrue statement or omission or alleged untrue statement or omission made in reliance upon and in conformity with any information relating to such Initial Purchaser furnished to the Company in writing by such Initial Purchaser through the Representative expressly for use in the Offering Memorandum (or any amendment or supplement thereto).

(c) Notice and Procedures. If any suit, action, proceeding (including any governmental or regulatory investigation), claim or demand shall be brought or asserted against any person in respect of which indemnification may be sought pursuant to either paragraph (a) or (b) above, such person (the “Indemnified Person”) shall promptly notify the person against whom such indemnification may be sought (the “Indemnifying Person”) in writing; provided that the failure to notify the Indemnifying Person shall not relieve it from any liability that it may have under this Section 6 except to the extent that it has been materially prejudiced (through the forfeiture of substantive rights or defenses) by such failure; and provided, further, that the failure to notify the Indemnifying Person shall not relieve it from any liability that it may have to an Indemnified Person otherwise than under this Section 6. If any such proceeding shall be brought or asserted against an Indemnified Person and it shall have notified the Indemnifying Person thereof, the Indemnifying Person shall retain counsel reasonably satisfactory to the Indemnified Person to represent the Indemnified Person and any others entitled to indemnification pursuant to this Section 6 that the Indemnifying Person may designate in such proceeding and shall pay the fees and expenses of such counsel related to such proceeding. In any such proceeding, any Indemnified Person shall have the right to retain its own counsel, but the fees and expenses of such counsel shall be at the expense of such Indemnified Person unless (i) the Indemnifying Person and the Indemnified Person shall have mutually agreed to the contrary; (ii) the Indemnifying Person has failed within a reasonable time to retain counsel reasonably satisfactory to the Indemnified Person; (iii) the Indemnified Person shall have reasonably concluded that there may be legal defenses available to it that are different from or in addition to those available to the Indemnifying Person; or (iv) the named parties in any such proceeding (including any impleaded parties) include both the Indemnifying Person and the Indemnified Person and representation of both parties by the same counsel would be inappropriate due to actual or potential differing interests between them. It is understood and agreed that the Indemnifying Person shall not, in connection with any proceeding or related proceeding in the same jurisdiction, be liable for the fees and expenses of more than one separate firm (in addition to any local counsel) for all Indemnified Persons, and that all such fees and expenses shall be reimbursed. Any such separate firm for any Initial Purchaser, its affiliates and any control persons of such

Initial Purchaser shall be designated in writing by ▇.▇. ▇▇▇▇▇▇ Securities Inc. and any such separate firm for the Company and any control persons of the Company shall be designated in writing by the Company. The Indemnifying Person shall not be liable for any settlement of any proceeding effected without its written consent, but if settled with such consent or if there be a final judgment for the plaintiff, the Indemnifying Person agrees to indemnify each Indemnified Person from and against any loss or liability by reason of such settlement or judgment. Notwithstanding the foregoing sentence, if at any time an Indemnified Person shall have requested that an Indemnifying Person reimburse the Indemnified Person for the reasonable fees and expenses of counsel as contemplated by this paragraph, the Indemnifying Person shall be liable for any settlement of any proceeding effected without its written consent if (i) such settlement is entered into more than 60 days after receipt by the Indemnifying Person of such request and (ii) the Indemnifying Person shall not have reimbursed the Indemnified Person in accordance with such request prior to the date of such settlement. No Indemnifying Person shall, without the written consent of the Indemnified Person, effect any settlement of any pending or threatened proceeding in respect of which any Indemnified Person is or could have been a party and indemnification could have been sought hereunder by such Indemnified Person, unless such settlement (x) includes an unconditional release of such Indemnified Person, in form and substance reasonably satisfactory to such Indemnified Person, from all liability on claims that are the subject matter of such proceeding and (y) does not include any statement as to or any admission of fault, culpability or a failure to act by or on behalf of any Indemnified Person.

(d) Contribution. If the indemnification provided for in paragraphs (a) and (b) above is unavailable to an Indemnified Person or insufficient in respect of any losses, claims, damages or liabilities referred to therein, then each Indemnifying Person under such paragraph, in lieu of indemnifying such Indemnified Person thereunder, shall contribute to the amount paid or payable by such Indemnified Person as a result of such losses, claims, damages or liabilities (i) in such proportion as is appropriate to reflect the relative benefits received by the Company on the one hand and the Initial Purchasers on the other from the offering of the Securities or (ii) if the allocation provided by clause (i) is not permitted by applicable law, in such proportion as is appropriate to reflect not only the relative benefits referred to in clause (i) but also the relative fault of the Company on the one hand and the Initial Purchasers on the other in connection with the statements or omissions that resulted in such losses, claims, damages or liabilities, as well as any other relevant equitable considerations. The relative benefits received by the Company on the one hand and the Initial Purchasers on the other shall be deemed to be in the same respective proportions as the net proceeds (before deducting expenses) received by the Company from the sale of the Securities and the total discounts and commissions received by the Initial Purchasers in connection therewith, as provided in this Agreement, bear to the aggregate offering price of the Securities. The relative fault of the Company on the one hand and the Initial Purchasers on the other shall be determined by reference to, between other things, whether the untrue or alleged untrue statement of a material fact or the omission or alleged omission to state a material fact relates to information supplied by the Company or by the Initial

Purchasers and the parties’ relative intent, knowledge, access to information and opportunity to correct or prevent such statement or omission.

(e) Limitation on Liability. The Company and the Initial Purchasers agree that it would not be just and equitable if contribution pursuant to this Section 6 were determined by pro rata allocation (even if the Initial Purchasers were treated as one entity for such purpose) or by any other method of allocation that does not take account of the equitable considerations referred to in paragraph (d) above. The amount paid or payable by an Indemnified Person as a result of the losses, claims, damages and liabilities referred to in paragraph (d) above shall be deemed to include, subject to the limitations set forth above, any legal or other expenses reasonably incurred by such Indemnified Person in connection with any such action or claim. Notwithstanding the provisions of this Section 6, in no event shall an Initial Purchaser be required to contribute any amount in excess of the amount by which the total price at which the Securities sold by such Initial Purchaser were offered for resale exceeds the amount of any damages that such Initial Purchaser 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 Initial Purchasers’ obligations to contribute pursuant to this Section 6 are several in proportion to their respective purchase obligations hereunder and not joint.

(f) Non-Exclusive Remedies. The remedies provided for in this Section 6 are not exclusive and shall not limit any rights or remedies that may otherwise be available to any Indemnified Person at law or in equity.

7. Termination. This Agreement may be terminated in the absolute discretion of the Representative, by notice to the Company, if after the execution and delivery of this Agreement and prior to the Closing Date (i) trading generally shall have been suspended or materially limited on the New York Stock Exchange or the over-the-counter market; (ii) trading of any securities issued or guaranteed by the Company shall have been suspended on any exchange or in any over-the-counter market; (iii) a general moratorium on commercial banking activities shall have been declared by federal or New York State authorities; or (iv) there shall have occurred any outbreak or escalation of hostilities or any change in financial markets or any calamity or crisis, either within or outside the United States, that, in the judgment of the Representative, is material and adverse and makes it impracticable or inadvisable to proceed with the offering, sale or delivery of the Securities on the terms and in the manner contemplated by this Agreement and the Offering Memorandum.

8. Defaulting Initial Purchaser. (a) If, on the Closing Date, any Initial Purchaser defaults on its obligation to purchase the Securities that it has agreed to purchase hereunder, the non-defaulting Initial Purchasers may in their discretion arrange for the purchase of such Securities by other persons satisfactory to the Company on the terms contained in this Agreement. If, within 36 hours after any such

default by any Initial Purchaser, the non-defaulting Initial Purchasers do not arrange for the purchase of such Securities, then the Company shall be entitled to a further period of 36 hours within which to procure other persons satisfactory to the non-defaulting Initial Purchasers to purchase such Securities on such terms. If other persons become obligated or agree to purchase the Securities of a defaulting Initial Purchaser, either the non-defaulting Initial Purchasers or the Company may postpone the Closing Date for up to five full business days in order to effect any changes that in the opinion of counsel for the Company or counsel for the Initial Purchasers may be necessary in the Offering Memorandum or in any other document or arrangement, and the Company agrees to promptly prepare any amendment or supplement to the Offering Memorandum that effects any such changes. As used in this Agreement, the term “Initial Purchaser” includes, for all purposes of this Agreement unless the context otherwise requires, any person not listed in Schedule 1 hereto that, pursuant to this Section 8, purchases Securities that a defaulting Initial Purchaser agreed but failed to purchase.

(a) If, after giving effect to any arrangements for the purchase of the Securities of a defaulting Initial Purchaser or Initial Purchasers by the non-defaulting Initial Purchasers and the Company as provided in paragraph (a) above, the aggregate principal amount of such Securities that remains unpurchased does not exceed one-eleventh of the aggregate principal amount of all the Securities, then the Company shall have the right to require each non-defaulting Initial Purchaser to purchase the principal amount of Securities that such Initial Purchaser agreed to purchase hereunder plus such Initial Purchaser’s pro rata share (based on the principal amount of Securities that such Initial Purchaser agreed to purchase hereunder) of the Securities of such defaulting Initial Purchaser or Initial Purchasers for which such arrangements have not been made.

(b) If, after giving effect to any arrangements for the purchase of the Securities of a defaulting Initial Purchaser or Initial Purchasers by the non-defaulting Initial Purchasers and the Company as provided in paragraph (a) above, the aggregate principal amount of such Securities that remains unpurchased exceeds one-eleventh of the aggregate principal amount of all the Securities, 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 Initial Purchasers. Any termination of this Agreement pursuant to this Section 8 shall be without liability on the part of the Company, except that the Company will continue to be liable for the payment of expenses as set forth in Section 9 hereof and except that the provisions of Section 6 hereof shall not terminate and shall remain in effect.

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

9. Payment of Expenses. (a) Whether or not the transactions contemplated by this Agreement are consummated or this Agreement is terminated, the Company agrees to pay or cause to be paid all costs and expenses incident to the performance of

its obligations hereunder, including without limitation, (i) the costs incident to the authorization, issuance, sale, preparation and delivery of the Securities and any taxes payable in that connection; (ii) the costs incident to the preparation and printing of the Offering Memorandum (including any amendment or supplement thereto) and the distribution thereof; (iii) the costs of reproducing and distributing each of the Transaction Documents; (iv) the fees and expenses of the Company’s counsel and independent accountants; (v) the reasonable fees and expenses incurred in connection with the registration or qualification and determination of eligibility for investment of the Securities under the laws of such jurisdictions as the Representative may designate and the preparation, printing and distribution of a Blue Sky Memorandum (including the reasonable related fees and expenses of counsel for the Initial Purchasers which shall not exceed $10,000); (vi) any fees charged by rating agencies for rating the Securities; (vii) the fees and expenses of the Trustee and any paying agent (including reasonable related fees and expenses of any counsel to such parties); and (viii) all expenses and application fees incurred in connection with the approval of the Securities for book-entry transfer by DTC.

(b) If (i) this Agreement is terminated pursuant to Section 7(ii), (ii) the Company for any reason fails to tender the Securities for delivery to the Initial Purchasers (other than as a result of Section 7 or 8) or (iii) the Initial Purchasers decline to purchase the Securities for any other reason permitted under this Agreement (other than as a result of Section 7 or 8), the Company agrees to reimburse the Initial Purchasers for all out-of-pocket costs and expenses (including the reasonable fees and expenses of their counsel) reasonably incurred by the Initial Purchasers in connection with this Agreement and the offering contemplated hereby.

10. Persons Entitled to Benefit of Agreement. This Agreement shall inure to the benefit of and be binding upon the parties hereto, their respective affiliates and any controlling persons referred to herein, and their respective successors. Nothing in this Agreement is intended or shall be construed to give any other person any legal or equitable right, remedy or claim under or in respect of this Agreement or any provision contained herein. No purchaser of Securities from any Initial Purchaser shall be deemed to be a successor merely by reason of such purchase.

11. Survival. The respective indemnities, rights of contribution, representations, warranties and agreements of the Company and the Initial Purchasers contained in this Agreement or made by or on behalf of the Company or the Initial Purchasers pursuant to this Agreement or any certificate delivered pursuant hereto shall survive the delivery of and payment for the Securities and shall remain in full force and effect, regardless of any termination of this Agreement or any investigation made by or on behalf of the Company or the Initial Purchasers.

12. Certain Defined Terms. For purposes of this Agreement, (a) except where otherwise expressly provided, the term “affiliate” has the meaning set forth in Rule 405 under the Securities Act; (b) the term “business day” means any day other than a day on which banks are permitted or required to be closed in New York City; (c) the term

“Exchange Act” means the Securities Exchange Act of 1934, as amended; and (d) the term “subsidiary” has the meaning set forth in Rule 405 under the Securities Act.

13. Miscellaneous. (a) Authority of the Representative. Any action by the Initial Purchasers hereunder may be taken by ▇.▇. ▇▇▇▇▇▇ Securities Inc. on behalf of the Initial Purchasers, and any such action taken by ▇.▇. ▇▇▇▇▇▇ Securities Inc. shall be binding upon the Initial Purchasers.

(b) Notices. All notices and other communications hereunder shall be in writing and shall be deemed to have been duly given if mailed or transmitted and confirmed by any standard form of telecommunication. Notices to the Initial Purchasers shall be given to the Representative c/o ▇.▇. ▇▇▇▇▇▇ Securities Inc., ▇▇▇ ▇▇▇▇ ▇▇▇▇▇▇, ▇▇▇ ▇▇▇▇, ▇▇▇ ▇▇▇▇ ▇▇▇▇▇ (fax: (▇▇▇) ▇▇▇-▇▇▇▇); Attention: Transaction Execution Desk. Notices to the Company shall be given to them at ▇▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇, ▇▇▇ ▇▇▇▇▇, ▇▇▇▇▇▇▇▇▇▇ ▇▇▇▇▇, (fax: (▇▇▇) ▇▇▇-▇▇▇▇); Attention: ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇.

(c) Governing Law. THIS AGREEMENT SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK.

(d) Counterparts. This Agreement may be signed in counterparts (which may include counterparts delivered by any standard form of telecommunication), each of which shall be an original and all of which together shall constitute one and the same instrument.

(e) Amendments or Waivers. No amendment or waiver of any provision of this Agreement, nor any consent or approval to any departure therefrom, shall in any event be effective unless the same shall be in writing and signed by the parties hereto.

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

If the foregoing is in accordance with your understanding, please indicate your acceptance of this Agreement by signing in the space provided below.

Very truly yours,

SCIENCE APPLICATIONS INTERNATIONAL CORPORATION

By:
Name:		▇▇▇▇▇▇ ▇. ▇▇▇▇▇
Title:		Executive Vice President and Chief Financial Officer

▇.▇. ▇▇▇▇▇▇ SECURITIES INC.

For itself and on behalf of the several Initial Purchasers listed in Schedule 1 hereto.

By:
Name:
Title:

Schedule 1

Initial Purchasers	Principal Amount of Securities
▇.▇. ▇▇▇▇▇▇ Securities Inc.	$	150,000,000
Citigroup Global Markets Inc.	$	37,500,000
▇▇▇▇▇▇ ▇▇▇▇▇▇▇ & Co. Incorporated	$	37,500,000
McDonald Investments Inc.	$	12,750,000
The Royal Bank of Scotland plc	$	12,750,000
Tokyo-Mitsubishi International plc	$	12,750,000
Wachovia Securities, LLC	$	12,750,000
BNY Capital Markets, Inc.	$	6,000,000
Mellon Financial Markets, LLC	$	6,000,000
Mizuho International plc	$	6,000,000
▇▇ ▇▇▇▇▇ Securities Corporation	$	6,000,000

Total	$	300,000,000

Annex A

Restrictions on Offers and Sales Outside the United States

In connection with offers and sales of Securities outside the United States:

(a) Each Initial Purchaser acknowledges that the Securities have not been registered under the Securities Act and may not be offered or sold within the United States or to, or for the account or benefit of, U.S. persons except pursuant to an exemption from, or in transactions not subject to, the registration requirements of the Securities Act.

(b) Each Initial Purchaser, severally and not jointly, represents, warrants and agrees that:

(i) Such Initial Purchaser has offered and sold the Securities, and will offer and sell the Securities, (A) as part of their distribution at any time and (B) otherwise until 40 days after the later of the commencement of the offering of the Securities and the Closing Date, only in accordance with Regulation S under the Securities Act (“Regulation S”) or Rule 144A or any other available exemption from registration under the Securities Act.

(ii) None of such Initial Purchaser or any of its affiliates or any other person acting on its or their behalf has engaged or will engage in any directed selling efforts with respect to the Securities, and all such persons have complied and will comply with the offering restrictions requirement of Regulation S.

(iii) At or prior to the confirmation of sale of any Securities sold in reliance on Regulation S, such Initial Purchaser will have sent to each distributor, dealer or other person receiving a selling concession, fee or other remuneration that purchase Securities from it during the distribution compliance period a confirmation or notice to substantially the following effect:

“The Securities covered hereby have not been registered under the U.S. Securities Act of 1933, as amended (the “Securities Act”), and may not be offered or sold within the United States or to, or for the account or benefit of, U.S. persons (i) as part of their distribution at any time or (ii) otherwise until 40 days after the later of the commencement of the offering of the Securities and the date of original issuance of the Securities, except in accordance with Regulation S or Rule 144A or any other available exemption from registration under the Securities Act. Terms used above have the meanings given to them by Regulation S.”

(iv) Such Initial Purchaser has not and will not enter into any contractual arrangement with any distributor with respect to the distribution of the Securities, except with its affiliates or with the prior written consent of the Company.

A-1

Terms used in paragraph (a) and this paragraph (b) and not otherwise defined in this Agreement have the meanings given to them by Regulation S.

(i) it has not offered or sold and prior to the date six months after the Closing Date will not offer or sell any Securities to persons in the United Kingdom except to persons whose ordinary activities involve them in acquiring, holding, managing or disposing of investments (as principal or agent) for the purposes of their businesses or otherwise in circumstances which have not resulted and will not result in an offer to the public in the United Kingdom within the meaning of the United Kingdom Public Offers of Securities Regulations 1995 (as amended);

(ii) it has only communicated or caused to be communicated and will only communicate or cause to be communicated any invitation or inducement to engage in investment activity (within the meaning of Section 21 of the United Kingdom Financial Services and Markets ▇▇▇ ▇▇▇▇ (the “FSMA”)) received by it in connection with the issue or sale of any Securities in circumstances in which Section 21(1) of the FSMA does not apply to the Company; and

(iii) it has complied and will comply with all applicable provisions of the FSMA with respect to anything done by it in relation to the Securities in, from or otherwise involving the United Kingdom.

(d) Each Initial Purchaser acknowledges that no action has been or will be taken by the Company that would permit a public offering of the Securities, or possession or distribution of the Offering Memorandum or any other offering or publicity material relating to the Securities, in any country or jurisdiction where action for that purpose is required.

A-2

Annex B

Form of Opinion of Counsel for the Company

Annex C

Form of Opinion of Counsel of the Company

Exhibit A

Form of Registration Rights Agreement

SCIENCE APPLICATIONS INTERNATIONAL CORPORATION Purchase Agreement

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