Document:

Twelfth Supplemental Indenture

 Exhibit 4.11 
 TWELFTH SUPPLEMENTAL INDENTURE 
 TWELFTH SUPPLEMENTAL
INDENTURE, effective as of February 6, 2012, by and among PETROBRAS INTERNATIONAL FINANCE COMPANY, an exempted company incorporated with limited liability under the laws of the Cayman Islands, having its principal office at 4th Floor, Harbour Place, 103 South Church Street, George Town, Grand
Cayman, Cayman Islands (the “Company”), THE BANK OF NEW YORK MELLON, a New York banking corporation, as Trustee hereunder (the “Trustee”), and PETRÓLEO BRASILEIRO S.A. – Petrobras, a mixed capital
company (sociedade de economia mista) organized under the laws of Brazil, having its principal office at Avenida República do Chile, 65, 20035-900 Rio de Janeiro – RJ, Brazil (“Petrobras”). 

W I T N E S S E T H: 

WHEREAS, the Company and the Trustee previously have entered into an indenture, dated as of December 15, 2006 (the
“Original Indenture”), as supplemented by this Twelfth Supplemental Indenture, dated as of February 6, 2012 (the “Twelfth Supplemental Indenture”, and together with the Original Indenture and any further
supplements thereto, the “Indenture”) providing for the issuance from time to time of debt securities and debt warrants of the Company to be issued in one or more series as provided in the Indenture; 

WHEREAS, Section 9.01 of the Original Indenture provides that, subsequent to the execution of the Original Indenture and
subject to satisfaction of certain conditions, the Company and the Trustee may enter into one or more indentures supplemental to the Original Indenture to add to, change or eliminate any of the provisions of the Original Indenture in respect of one
or more series of Securities (as defined in the Original Indenture); 
 WHEREAS, on the date hereof the Company intends
to issue pursuant to its Registration Statement on Form F-3 (File No. 333-163665-01) (the “Registration Statement”), dated December 11, 2009, the Prospectus Supplement dated February 1, 2012 and related Base
Prospectus dated December 11, 2009 (collectively, the “Offering Document”) and the Indenture, U.S.$1,750,000,000 of its 3.500% Global Notes due 2017, in the form attached as Exhibit A hereto (the “Notes”),
having the terms and conditions contemplated in the Offering Document as provided for in the Original Indenture, as supplemented by this Twelfth Supplemental Indenture; 
 WHEREAS, as contemplated in the Offering Document, Petrobras and the Trustee intend, in connection with the issuance of the Notes, to enter into a guaranty, dated as of the date hereof in the form
attached as Exhibit B hereto (the “Guaranty”), to provide for an unconditional and irrevocable guaranty of the Notes by Petrobras; 
 WHEREAS, the Trustee has provided to the Company and Petrobras Statements of Eligibility under the Trust Indenture Act of 1939, as amended, with respect to each of the Companies which have been
filed as exhibits to the Registration Statement; 

 WHEREAS, the Company and Petrobras confirm that any and all conditions and
requirements necessary to make this Twelfth Supplemental Indenture a valid, binding, and legal instrument in accordance with the terms of the Indenture have been performed and fulfilled and the execution and delivery of this Twelfth Supplemental
Indenture has been in all respects duly authorized; 
 WHEREAS, pursuant to Section 9.01 of the Original Indenture,
the Trustee is authorized to execute and deliver this Twelfth Supplemental Indenture; and 
 WHEREAS, the Company and
Petrobras have requested that the Trustee execute and deliver this Twelfth Supplemental Indenture; 
 NOW, THEREFORE, for
and in consideration of the premises and the mutual covenants contained herein and in the Indenture and for other good and valuable consideration, the receipt and sufficiency of which are herein acknowledged, the Company, Petrobras and the Trustee
hereby agree, for the equal and ratable benefit of all Holders, as follows: 
 ARTICLE 1 

DEFINITIONS 

Section 1.01. Defined Terms. All capitalized terms used but not defined herein shall have the meanings ascribed to such terms
in the Indenture, as supplemented and amended hereby. All definitions in the Original Indenture shall be read in a manner consistent with the terms of this Twelfth Supplemental Indenture. 

Section 1.02. Additional Definitions. (a) For the benefit of the Holders of the Notes, Section 1.01 of the Original
Indenture shall be amended by adding the following new definitions: 
 “Closing Date” means February 6, 2012.

 “Comparable Treasury Issue” means the United States Treasury security or securities selected by an Independent
Investment Banker as having an actual or interpolated maturity comparable to the remaining term of Notes to be redeemed that would be utilized, at the time of selection and in accordance with customary financial practice, in pricing new issues of
corporate debt securities of a comparable maturity to the remaining term of such Notes. 
 “Comparable Treasury Price”
means, with respect to any Redemption Date, (1) the average of the Reference Treasury Dealer Quotations for such Redemption Date, after excluding the highest and lowest such Reference Treasury Dealer Quotation or (2) if the Independent
Investment Banker obtains fewer than four such Reference Treasury Dealer Quotations, the average of all such quotations. 

“Default Rate” has the meaning set forth in Section 2.01(f) herein. 

“Denomination Currency” has the meaning set forth in Section 2.03(c) herein. 

  
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 “Independent Investment Banker” means one of the Reference Treasury Dealers
appointed by the Company. 
 “Interest Period” means the period beginning on an Interest Payment Date and ending on
the day before the next Interest Payment Date, except that the first Interest Period shall be the period beginning on the Closing Date and ending on the day before the next Interest Payment Date. 

“Judgment Currency” has the meaning set forth in Section 2.03(c) herein. 

“Lien” means any mortgage, pledge, lien, hypothecation, security interest or other charge or encumbrance on any property or
asset, including, without limitation, any equivalent created or arising under applicable law. 
 “Make Whole Amount”
has the meaning set forth in Section 2.01(l) herein. 
 “Material Subsidiary” means, as to any Person, any
Subsidiary of such Person which, on any given date of determination, accounts for more than 10% of Petrobras’ total consolidated assets, as such total assets are set forth on the most recent consolidated financial statements of Petrobras
prepared in accordance with Reporting GAAP (or if Petrobras does not prepare financial statements in Reporting GAAP, consolidated financial statements prepared in accordance with Brazilian generally accepted accounting principles). 

“Offering Document” shall have the meaning set forth in the recitals to this Twelfth Supplemental Indenture. 

“Payment Account” has the meaning set forth in Section 2.01(h) herein. 

“Permitted Lien” means a: 
 (a) Lien arising by operation of law, such as merchants’, maritime or other similar Liens arising in the Company’s ordinary course of business or that of any Subsidiary or Lien in respect
of taxes, assessments or other governmental charges that are not yet delinquent or that are being contested in good faith by appropriate proceedings; 
 (b) Lien arising from the Company’s obligations under performance bonds or surety bonds and appeal bonds or similar obligations incurred in the ordinary course of business and consistent with
the Company’s past practice; 
 (c) Lien arising in the ordinary course of business in connection with
Indebtedness maturing not more than one year after the date on which such Indebtedness was originally incurred and which is related to the financing of export, import or other trade transactions; 

  
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 (d) Lien granted upon or with respect to any assets hereafter acquired
by the Company or any Subsidiary to secure the acquisition costs of such assets or to secure Indebtedness incurred solely for the purpose of financing the acquisition of such assets, including any Lien existing at the time of the acquisition of such
assets as long as the maximum amount so secured shall not exceed the aggregate acquisition costs of all such assets or the aggregate Indebtedness incurred solely for the acquisition of such assets, as the case may be; 

(e) Lien granted in connection with the Indebtedness of a Wholly-Owned Subsidiary owing to the Company or another
Wholly-Owned Subsidiary; 
 (f) Lien existing on any asset or on any stock of any Subsidiary prior to the
acquisition thereof by the Company or any Subsidiary as long as such Lien is not created in anticipation of such acquisition; 
 (g) Lien existing as of the date of this Twelfth Supplemental Indenture; 
 (h) Lien resulting from the Indenture or the Guaranty; 

(i) Lien incurred in connection with the issuance of debt or similar securities of a type comparable to those already
issued by the Company, on amounts of cash or cash equivalents on deposit in any reserve or similar account to pay interest on such securities for a period of up to 24 months as required by any Rating Agency as a condition to such Rating Agency
rating such securities investment grade or as is otherwise consistent with market conditions at such time, as such conditions are satisfactorily demonstrated to the Trustee; 

(j) Lien granted or incurred to secure any extension, renewal, refinancing, refunding or exchange (or successive
extensions, renewals, refinancings, refundings or exchanges), in whole or in part, of or for any Indebtedness secured by Lien referred to in paragraphs (a) through (i) above (but not paragraph (c)), provided that such Lien does not extend
to any other property, the principal amount of the Indebtedness secured by such Lien is not increased, and in the case of paragraphs (a), (b) and (f) the obligees meet the requirements of such paragraphs; and 

(k) Lien in respect of Indebtedness the principal amount of which in the aggregate, together with all Liens not
otherwise qualifying as the Company’s Permitted Liens pursuant to clauses (a) through (j) of this definition, does not exceed 15% of the Company’s consolidated total assets (as determined in accordance with Reporting GAAP) at any
date as at which the Company’s balance sheet is prepared and published in accordance with applicable Law. 

  
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 “Reference Treasury Dealer” means each of Citigroup Global Markets, Inc., J.P.
Morgan Securities LLC and Morgan Stanley & Co. LLC or, in each case, their affiliates, which are primary United States government securities dealers and two other leading primary United States government securities dealers in New York City
reasonably designated by the Company; provided, however, that if any of the foregoing shall cease to be a primary United States government securities dealer in New York City (a “Primary Treasury Dealer”), the Company shall
substitute therefor another Primary Treasury Dealer. 
 “Reference Treasury Dealer Quotation” means, with respect to
each Reference Treasury Dealer and any Redemption Date, the average, as determined by the Independent Investment Banker, of the bid and asked prices for the Comparable Treasury Issue (expressed in each case as a percentage of its principal amount)
quoted in writing to the Independent Investment Banker by such Reference Treasury Dealer at 3:30 pm New York time on the third business day preceding such redemption date. 
 “Regular Record Date” means one Business Day prior to any Interest Payment Date. 
 “Reporting GAAP” means (i) generally accepted accounting principles in effect in the United States of America applied on a basis consistent with the principles, methods, procedures and
practices in effect from time to time or (ii) International Financial Reporting Standards (“IFRS”) as adopted by the International Accounting Standards Board (“IASB”) as from the date the Guarantor adopts IFRS as its
primary reporting or accounting standard in its reports filed with the SEC pursuant to Section 13 or 15(d) of the Exchange Act. 
 “Treasury Rate” means, with respect to any Redemption Date, the rate per annum equal to the semiannual equivalent yield to maturity or interpolated maturity (on a day count basis) of the
Comparable Treasury Issue, assuming a price for the Comparable Treasury Issue (expressed as a percentage of its principal amount) equal to the Comparable Treasury Price for such Redemption Date. 

ARTICLE 2 

TERMS OF THE NOTES 
 Section 2.01. General. In accordance with Section 3.01 of the Original Indenture, the following terms relating to the Notes are hereby established: 

(a) Title: The Notes shall constitute a series of Securities having the title “3.500% Global Notes due 2017.”

 (b) Aggregate Amount: The aggregate principal amount of the Notes that may be initially authenticated and delivered
under this Twelfth Supplemental Indenture shall be U.S.$1,750,000,000. As provided in the Original Indenture, the Company may, from time to time, without the consent of the Holders of Notes, issue Add On Notes having identical terms (including
CUSIP, ISSN and other relevant identifying characteristics as the Notes), so long as, on the date of issuance of such Add On Notes: (i) no Default or Event of Default shall have occurred and then be continuing, or shall occur as a result of the
issuance of such Add On Notes, (ii) such Add On Notes shall rank pari passu with the Notes and shall have identical terms, 

  
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conditions and benefits as the Notes and be part of the same series as the Notes, (iii) the Company and the Trustee shall have executed and delivered a further supplemental indenture to the
Indenture providing for the issuance of such Add On Notes and reflecting such amendments to the Indenture as may be required to reflect the increase in the aggregate principal amount of the Notes resulting from the issuance of the Add On Notes,
(iv) Petrobras shall have executed and delivered and the Trustee shall have acknowledged an amended Guaranty reflecting the increase in the aggregate principal amount of the Notes resulting from the issuance of the Add On Notes and (v) the
Trustee shall have received all such opinions and other documents as it shall have requested, including an Opinion of Counsel stating that such Add On Notes are authorized and permitted by the Indenture and all conditions precedent to the issuance
of such Add On Notes have been complied with by the Company and Petrobras. All Add On Notes issued hereunder will, when issued, be considered Notes for all purposes hereunder and will be subject to and take the benefit of all of the terms,
conditions and provisions of this Indenture. 
 (c) Ranking: The Notes (including any Add On Notes) shall be general
senior unsecured and unsubordinated obligations of the Company and shall at all times rank pari passu among themselves and at least equal in right of payment with all of the Company’s other present and future unsecured and unsubordinated
obligations from time to time outstanding that are not, by their terms, expressly subordinated in right of payment to the Notes (other than obligations preferred by statute or by operation of law). 

(d) Maturity: The entire outstanding principal of the Notes shall be payable in a single installment on February 6, 2017 (the
“Stated Maturity”). No payments in respect of the principal of the Notes shall be paid prior to the Stated Maturity except in the case of the occurrence of an Event of Default and acceleration of the aggregate outstanding principal
amount of the Notes, upon redemption prior to the Stated Maturity pursuant to Section 11.08 of the Original Indenture or pursuant to 2.01(l) and (m) hereof. 
 (e) Interest: Interest shall accrue on the Notes at the rate of 3.500% per annum until all required amounts due in respect of the Notes have been paid. All interest shall be paid by the
Company to the Trustee and distributed by the Trustee in accordance with this Indenture semiannually in arrears on February 6 and August 6 of each year (or, as provided in the Original Indenture, if such date is not a Business Day, the
next succeeding Business Day following such day) during which any portion of the Notes shall be Outstanding (each, an “Interest Payment Date”), commencing on August 6, 2012, to the Person in whose name a Note is registered at
the close of business on the preceding Regular Record Date (which shall mean, with respect to any payment to be made on an Interest Payment Date, the Business Day preceding the relevant Interest Payment Date.) As provided in the Original Indenture,
(i) interest shall be calculated based on a 360-day year of twelve 30-day months, (ii) payment of principal and interest and other amounts on the Notes will be made at the Corporate Trust Office of the Trustee in New York City, or such
other paying agent office in the United States as the Company appoints, in the form provided for in Section 10.08 of the Original Indenture, (iii) all such payments to the Trustee shall be made by the Company by depositing immediately
available funds in U.S. dollars one Business Day prior to the relevant Interest Payment Date to the Payment Account and (iv) so long as any of the Notes remain Outstanding, the Company shall maintain a paying agent in New York City. 

  
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 (f) Default Rate: Upon the occurrence and during the continuation of an Event of
Default, (i) interest on the outstanding principal amount of the Notes shall accrue on the Notes at a rate equal to 0.5% per annum above the interest rate on the Notes at that time (the “Default Rate”) and (ii) to the
fullest extent permitted by law, interest shall accrue on the amount of any interest, fee, Additional Amounts, or other amount payable under the Indenture and the Notes that is not paid when due, from the date such amount was due until such amount
shall be paid in full, excluding the date of such payment, at the Default Rate. 
 (g) Payment Account: On the Closing
Date, the Trustee shall establish (and shall promptly notify the Company of the establishment of such account, including the relevant account numbers and other relevant identifying details) and, until the Notes and all accounts due in respect
thereof have been paid in full, the Trustee shall maintain the special purpose non-interest bearing trust account established pursuant to this Twelfth Supplemental Indenture (the “Payment Account”) into which all payments required
to be made by the Company under or with respect to the Notes shall be deposited. The Company agrees that the Payment Account shall be maintained in the name of the Trustee and under its sole dominion and control (acting on behalf of the Holders of
the Notes) and used solely to make payments of principal, interest and other amounts from time to time due and owing on, or with respect to, the Notes. No funds contained in the Payment Account shall be used for any other purpose or in any manner
not expressly provided for herein nor shall the Company or any other Person have an interest therein or amounts on deposit therein. All amounts on deposit in the Payment Account on any Interest Payment Date after the Trustee has paid all amounts due
and owing to the holders of the Notes as of such Interest Payment Date shall be retained in the Payment Account and used by the Trustee to pay any amounts due and owing to the Holders of the Notes on the next succeeding Interest Payment Date.

 (h) Form and Denomination: The Notes shall be issuable in whole in the registered form of one or more Global Notes
(without coupons), in minimum denominations of U.S.$2,000 and integral multiples of U.S.$1,000 in excess thereof, and shall be transferable in integral multiples of U.S.$2,000 and integral multiples of U.S.$1,000 in excess thereof and the Depository
for such Global Notes shall be The Depository Trust Company, New York, New York. 
 (i) Guaranty: The Notes shall have
the benefit of the Guaranty in the manner provided in Article 3 of this Twelfth Supplemental Indenture. 
 (j) Rating:
The Notes can be issued without the requirement that they have any rating from a nationally recognized statistical rating organization. 

  
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 (k) Optional Early Redemption. The Notes are subject to redemption at the
Company’s option before the Stated Maturity in whole or in part, upon not less than 30 but no more than 60 days’ notice, at a Redemption Price equal to the greater of (A) 100% of the principal amount of such Notes and (B) the sum
of the present values of the remaining scheduled payments of principal and interest thereon (exclusive of interest accrued to the date of redemption) discounted to the Redemption Date on a semiannual basis (assuming a 360-day year consisting of
twelve 30-day months) at, in each case, the Treasury Rate plus 35 basis points (the “Make Whole Amount”), plus in each case, accrued interest on the principal amount of such Notes to (but not including) the date of redemption.

 (l) Early Redemption Solely for Tax Reasons. Pursuant to Section 11.08 of the Original Indenture, the Notes may
be redeemed at the option of the Company, in whole but not in part, at any time at a Redemption Price equal to the principal amount thereof plus accrued interest to the date fixed for redemption if as a result of any change in or amendment to the
laws or regulations or ruling promulgated thereunder of the jurisdiction in which the Company is incorporated (or, in the case of a successor Person to the Company, of the jurisdiction in which such successor Person is organized or any political
subdivision or taxing authority thereof or therein) or any change in the official application or interpretation of such laws, regulations or rulings, or any change in the official application of or interpretation of, or any execution of or amendment
to, any treaty or treaties affecting taxation to which such jurisdiction or such political subdivision or taxing authority (or such other jurisdiction or political subdivision or taxing authority) is a party, which change, execution or amendment
becomes effective on or after the date hereof (or in the case of a successor Person to the Company, the date on which such successor Person became such pursuant to Section 8.01 and 8.02 of the Original Indenture), the Company would be required
to pay Additional Amounts pursuant to Section 10.10 of the Original Indenture. For purposes of Section 11.08 of the Original Indenture, the reincorporation of the Company shall be treated as the adoption of a successor entity, provided,
however, that redemption under Section 11.08 of the Original Indenture shall not be available if the reincorporation was performed in anticipation of a change in, execution of or amendment to any laws or treaties or the official application or
interpretation of any laws or treaties of such new jurisdiction of incorporation that would result in an obligation to pay Additional Amounts. 
 (m) Conversion: The Notes will not be convertible into, or exchangeable for, any other securities. 
 Section 2.02. Amendments to Article Five Relating to Events of Default. (a) Restated Events of Default: As it applies to the Notes, Section 5.01 of the Original Indenture
shall be amended to read in its entirety as follows: 
 “Section 5.01 Events of Default 

“Event of Default,” wherever used herein with respect to the Notes, means any one of the following events
(whatever the reason for such Event of Default and whether it shall be voluntary or involuntary or be effected by operation of law or pursuant to any judgment, decree or order of any court or any order, rule or regulation of any administrative or
governmental body): 

  
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 1. The Company shall fail to make any payment in respect of principal on any
of the Notes whether on the Stated Maturity, upon redemption or prior to the Maturity or otherwise in accordance with the terms of the Notes and this Indenture, non-payment of which shall continue for a period of three calendar days and the Trustee
shall not have otherwise received such amounts from Petrobras under the Guaranty, or otherwise by the end of such three calendar day period; 
 2. The Company shall fail to make any payment in respect of any interest or other amounts due on or with respect to the Notes (including Additional Amounts, if any) in accordance with the terms of the
Notes and this Indenture, non-payment of which shall continue for a period of 30 calendar days and the Trustee shall not have otherwise received such amounts from Petrobras under the Guaranty, or otherwise by the end of such 30 calendar day period;

 3. The Company or Petrobras shall fail to perform, or breach, any term, covenant, agreement or obligation
contained in this Indenture or the Guaranty and such failure (other than any failure to make any payment under the Guaranty, for which there is no cure) is either incapable of remedy or continues for a period of 60 calendar days (inclusive of any
time frame contained in any such term, covenant, agreement or obligation for compliance thereunder) after there has been received by the Company or Petrobras from the Trustee or the Holders of at least 25% in principal amount of the Outstanding
Securities of that series a written notice specifying such default or breach and requiring it to be remedied and stating that such notice is a “Notice of Default” hereunder; 

4. The maturity of any Indebtedness of the Company, Petrobras or any Material Subsidiary in a total aggregate principal
amount of U.S.$150,000,000 (or its equivalent in another currency), or more is accelerated in accordance with the terms of that Indebtedness, it being understood that prepayment or redemption by the Company, Petrobras or the relevant Material
Subsidiary of any Indebtedness is not acceleration for this purpose; 
 5. One or more final and non-appealable
judgments or final decrees is entered against the Company, Petrobras or any Material Subsidiary thereof involving in the aggregate a liability (not theretofore paid or covered by insurance) of U.S.$150,000,000 (or its equivalent in another currency)
or more, and all such judgments or final decrees shall not have been vacated, discharged or stayed within 120 calendar days after the rendering thereof; 
 6. The Company, Petrobras or any Material Subsidiary thereof stops payment of, or is generally unable to pay, its debts as and when they become due except (i) as is otherwise expressly provided under
this Indenture or the Guaranty, or (ii) in the case of a winding-up, dissolution or liquidation for the purpose of and followed by a consolidation, merger, conveyance or transfer, the terms of which shall have been approved by a resolution of a
meeting of the Holders; 

  
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 7. Proceedings are initiated against the Company, Petrobras or any Material
Subsidiary thereof under any applicable bankruptcy, reorganization, insolvency, moratorium or intervention law or law with similar effect, or under any other law for the relief of, or relating to, debtors, and any such proceeding is not dismissed or
stayed within 90 days after the entering of such proceeding, or an administrator, receiver, trustee, manager, fiduciary, statutory manager, intervener or assignee for the benefit of creditors (or other similar official) is appointed to take
possession or control of, or a distress, execution, attachment or sequestration or other process is levied, enforced upon, sued out or put in force against, all or any material part of the undertaking, property, assets or revenues of the Company,
Petrobras or any Material Subsidiary thereof and is not discharged or removed within 90 days; 
 8. The Company,
Petrobras or any Material Subsidiary thereof commences voluntarily or consents to judicial, administrative or other proceedings relating to it under any applicable bankruptcy, reorganization, insolvency, moratorium or intervention law or law with
similar effect, or under any other law for the relief of, or relating to, debtors, or makes or enters into any composition, concordata or other similar arrangement with its creditors, or appoints or applies for the appointment of an
administrator, receiver, trustee, manager, fiduciary, statutory manager, intervener or assignee for the benefit of creditors (or other similar official) to take possession or control of the whole or any material part of its undertaking, property,
assets or revenues, or takes any judicial, administrative or other similar proceeding under any law for a readjustment or deferment of its Indebtedness or any part of it; 

9. An effective resolution is passed for, or any authorized action is taken by any court of competent jurisdiction,
directing the winding-up, dissolution or liquidation of the Company, Petrobras or any Material Subsidiary thereof (other than in any of the circumstances referred to as exceptions in paragraph (6) above); 

10. Any event occurs that under the laws of any relevant jurisdiction has substantially the same effect as any of the
events referred to in any of paragraphs (6), (7), (8) or (9) of this Section 5.01; 
 11. This
Indenture, the Notes, the Guaranty or any part thereof shall cease to be in full force and effect or binding and enforceable against the Company or Petrobras, it becomes unlawful for the Company or Petrobras to perform any material obligation under
this Indenture, the Notes or the Guaranty, or the Company or Petrobras shall contest the enforceability of this Indenture, the Notes or the Guaranty or deny that it has liability under this Indenture, the Notes or the Guaranty; 

12. Petrobras fails to retain at least 51% direct or indirect ownership of the outstanding voting and economic interests
(equity or otherwise) of and in the Company.” 

  
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 Section 2.03. Amendments to Article 10 Relating to Covenants. 

(a) Statement of Officers as to Default and Notices of Events of Default: As it applies to the Notes, Section 10.05 of the
Original Indenture shall be amended by deleting the second sentence in its entirety and replacing it with the following: 
 “Within 30 calendar days (or promptly with respect to Events of Default pursuant to Sections 5.01(4), 5.01(5), 5.01(6), 5.01(7), 5.01(8), 5.01(9) and 5.01(10) hereunder and in any event no later than
30 calendar days) after the Company becomes aware or should reasonably become aware of the occurrence of an Event of Default pursuant to Section 5.01 hereunder, the Company shall provide notice to the Trustee of such occurrence, accompanied by
an Officer’s Certificate of the Company setting forth the details thereof.” 
 (b) Maintenance of Corporate
Existence: As it applies to the Notes, Section 10.02 of the Original Indenture shall be replaced with the following: 
 “The Company will (i) maintain in effect its corporate existence and all registrations necessary therefor except as otherwise permitted by Article VIII and (ii) take all reasonable actions
to maintain all rights, privileges, titles to property, franchises, concessions and the like necessary or desirable in the normal conduct of its business, activities or operations; provided, however, that this Section 10.02 shall not require
the Company to maintain any such right, privilege, title to property or franchise, if the Company’s Board of Directors shall determine that the preservation thereof is no longer desirable in the conduct of the business of the Company, and that
the loss thereof is not disadvantageous in any material respect to the Holders.” 
 (c) Additional Covenants Applicable
to the Notes: As it applies to the Notes, Article 10 of the Original Indenture shall be amended to include the following: 

“Section 10.11 Use of Proceeds. 
 The Company will use the proceeds from the offer and sale of the Notes after the deduction of any commissions principally for general corporate purposes. 

Section 10.12 Negative Pledge 
 So long as any Note remains Outstanding, the Company will not create or permit any Lien, other than a Permitted Lien, on any of the Company’s assets to secure (a) any of the Company’s
Indebtedness or (b) the Indebtedness of any other Person, unless the Company contemporaneously creates or permits such Lien to secure equally and ratably the Company’s obligations under the Notes and this Indenture or the Company provides
such other security for the Notes as is duly approved by a resolution of the Holders of the Notes in accordance with this Indenture. In addition, the Company will not allow any of the Company’s Material Subsidiaries to create or permit any
Lien, other than a Permitted Lien, on any of its assets to secure (a) any of the Company’s Indebtedness, (b) any of its own Indebtedness or (c) the Indebtedness of any other Person, unless it contemporaneously creates or permits
the Lien to secure equally and ratably the Company’s obligations under the Notes and this Indenture or the Company provides such other security for the Notes as is duly approved by a resolution of the Holders of the Notes in accordance with the
Indenture. 

  
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 Section 10.13 Currency Rate Indemnity. (a) The Company
shall (to the extent lawful) indemnify the Trustee and the Holders of the Notes and keep them indemnified against: 
 (i) in the case of nonpayment by the Company of any amount due to the Trustee, on behalf of the Holders of the Notes, under the Indenture any loss or damage incurred by any of them arising by reason of
any variation between the rates of exchange used for the purposes of calculating the amount due under a judgment or order in respect thereof and those prevailing at the date of actual payment by the Company; and 

(ii) any deficiency arising or resulting from any variation in rates of exchange between (i) the date as of which the
local currency equivalent of the amounts due or contingently due under the Indenture or in respect of the Notes is calculated for the purposes of any bankruptcy, insolvency or liquidation of the Company, and (ii) the final date for ascertaining
the amount of claims in such bankruptcy, insolvency or liquidation. The amount of such deficiency shall be deemed not to be increased or reduced by any variation in rates of exchange occurring between the said final date and the date of any
bankruptcy, insolvency or liquidation or any distribution of assets in connection therewith. 
 (b) The Company
agrees that, if a judgment or order given or made by any court for the payment of any amount in respect of its obligations hereunder is expressed in a currency (the “Judgment Currency”) other than U.S. dollars (the
“Denomination Currency”), it will indemnify the relevant Holder and the Trustee against any deficiency arising or resulting from any variation in rates of exchange between the date at which the amount in the Denomination Currency is
notionally converted into the amount in the Judgment Currency for the purposes of such judgment or order and the date of actual payment thereof. 
 (c) The above indemnities shall constitute separate and independent obligations of the Company from its obligations under the Indenture, will give rise to separate and independent causes of action, will
apply irrespective of any indulgence granted from time to time and will continue in full force and effect notwithstanding any judgment or the filing of any proof or proofs in any bankruptcy, insolvency or liquidation of the Company for a liquidated
sum or sums in respect of amounts due under the Indenture or the Notes.” 
 Section 2.04. Application of the
Article of the Indenture Regarding Defeasance and Covenant Defeasance. The provisions of Sections 14.01, 14.02 and 14.03 of the Original Indenture shall apply to the Notes. 

  
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 ARTICLE 3 
 GUARANTY 
 Section 3.01. Execution. The Trustee is hereby authorized
and directed to acknowledge the Guaranty and to perform all of its duties and obligations thereunder. 
 Section 3.02.
Enforcement. The Trustee shall enforce the provisions of the Guaranty against Petrobras in accordance with the terms thereof and the terms of the Indenture and Petrobras, by execution of this Twelfth Supplemental Indenture, and by so agreeing
to become a party to the Indenture, agrees that each Holder of the Notes shall have direct rights under the Guaranty as if it were a party thereto. 
 Section 3.03. Petrobras hereby (i) acknowledges and agrees to be bound by the provisions of Section 1.08 of the Original Indenture and (ii) confirms that (A) its obligations under
the Guaranty shall be issued pursuant to the Indenture and (B) it intends for the Holders of the Notes, in addition to those rights under the Guaranty as provided therein, to be entitled to the benefits of the Indenture with respect to their
rights against Petrobras under the Guaranty. 
 Section 3.04. Definition of the Term “Securities.” For all
purposes relating to the Notes, the term “Securities” in Section 1.01 of the Original Indenture shall be amended by inserting the following at the end thereof: “All references herein to any Securities shall be deemed to include
the rights of the Holder thereof under any guaranty arrangement entered into by Petrobras with the Trustee in connection with the issuance of such Securities pursuant to Section 3.14 hereof, which are an integral part of such Securities.”

 Section 3.05. Taxes; Additional Amounts. For the avoidance of doubt, the Company’s obligations to pay any
indemnity with respect to taxes, including the obligation to pay Additional Amounts pursuant to Section 10.10 of the Original Indenture, shall extend to any payments made by Petrobras pursuant to the Guaranty. 

  
 13 

 ARTICLE 4 
 MISCELLANEOUS 
 Section 4.01. Effect of the Twelfth Supplemental
Indenture. This Twelfth Supplemental Indenture supplements the Indenture and shall be a part, and subject to all the terms, thereof. The Original Indenture, as supplemented and amended by this Twelfth Supplemental Indenture, is in all respects
ratified and confirmed, and the Original Indenture and this Twelfth Supplemental Indenture shall be read, taken and construed as one and the same instrument. All provisions included in this Twelfth Supplemental Indenture supersede any conflicting
provisions included in the Original Indenture unless not permitted by law. The provisions of this Twelfth Supplemental Indenture are intended to apply solely to the Notes and the Holders thereof and shall not apply to any future issuance of
securities by the Company (other than any Add On Notes as provided herein) and all references to provisions of the Original Indenture herein amended and restated or otherwise modified shall have effect solely with respect to the Notes contemplated
in this Twelfth Supplemental Indenture. The Trustee accepts the trusts created by the Original Indenture, as supplemented by this Twelfth Supplemental Indenture, and agrees to perform the same upon the terms and conditions of the Original Indenture,
as supplemented by this Twelfth Supplemental Indenture. 
 Section 4.02. Governing Law. This Twelfth Supplemental
Indenture shall be governed by, and construed in accordance with, the laws of the State of New York. 
 Section 4.03.
Trustee Makes No Representation. The Trustee shall not be responsible in any manner whatsoever for or in respect of the validity or sufficiency of this Twelfth Supplemental Indenture or for or in respect of the recitals contained herein, all
of which are made solely by the Company and Petrobras. 
 Section 4.04. Effect of Headings. The section headings
herein are for convenience only and shall not affect the construction of this Twelfth Supplemental Indenture. 

Section 4.05. Counterparts. The parties may sign any number of copies of this Twelfth Supplemental Indenture. Each signed
copy shall be an original, but all of them shall represent the same agreement. 
 Section 4.06. Additional Trustee
Provisions. 
 (a) The permissive rights of the Trustee enumerated herein shall not be construed as duties. 

(b) In no event shall the Trustee be responsible or liable for special, indirect, punitive or consequential loss or damage of any kind
whatsoever (including, but not limited to, loss of profit) irrespective of whether the Trustee has been advised of the likelihood of such loss or damage and regardless of the form of action. 

  
 14 

 (c) Notwithstanding anything herein to the contrary neither the Trustee nor any of its the
agents shall incur any liability for not performing any act or fulfilling any duty, obligation or responsibility hereunder by reason of any occurrence beyond the control of the Trustee or its respective agent, as applicable, (including but not
limited to any act or provision of any present or future law or regulation or governmental authority, any act of God or war, civil unrest, local or national disturbance or disaster, any act of terrorism, fire, riot, strikes or work stoppages for any
reason, embargos, government action or the unavailability of the Federal Reserve Bank wire or facsimile or other wire or communication facility). 
 Section 4.07. Waiver of Jury Trial. EACH OF THE PARTIES HERETO HEREBY IRREVOCABLY WAIVES, 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 THE INDENTURE OR THE NOTES. 
 [SIGNATURE PAGE TO FOLLOW IMMEDIATELY] 

  
 15 

 IN WITNESS WHEREOF, the parties have caused this Twelfth Supplemental Indenture to be duly
executed by their respective officers thereunto duly authorized as of the day and year first above written. 
  

			
	PETROBRAS INTERNATIONAL FINANCE COMPANY
		
	By:	 	 /s/ Sérvio Túlio da R. Tinoco

	Name:	 	Sérvio Túlio da R. Tinoco
	Title:	 	Corporate Finance Manager

  

			
	PETRÓLEO BRASILEIRO S.A. – PETROBRAS
		
	By:	 	 /s/ Arthur Costa da Silva

	Name:	 	Arthur Costa da Silva
	Title:	 	International Capital Markets Coordinator

  

			
	WITNESSES:
		
	1.	  	 /s/ Maurício Piragibe C. Faria

		  	Name: Maurício Piragibe C. Faria
		
	2.	  	 /s/ Gustavo Luchese Unfer

		  	 Name: Gustavo Luchese Unfer

			
	THE BANK OF NEW YORK MELLON, as Trustee
		
	By:	 	 /s/ John T. Needham, Jr.

		 	Name: John T. Needham, Jr.
		 	Title: Vice President
	
	WITNESSES:
		
	1.	 	 /s/ Karon Greene

		 	Name: Karon Greene
		
	2.	 	 /s/ Catherine F. Donohue

		 	Name: Catherine F. Donohue

							
	STATE OF NEW YORK	  	)	    		  	
		  	)	    	ss:	  	
	COUNTY OF NEW YORK	  	)	    		  	

 On this 6th day of February 2012, before me, a notary public within and for said county, personally appeared John T. Needham, Jr.,
to me personally known, who being duly sworn, did say that he is a Vice President of The Bank of New York Mellon, one of the persons described in and which executed the foregoing instrument, and acknowledges said instrument to be the free act and
deed of said entity. 
 On this 6th day of February 2012, before me personally came Karon Greene and Catherine F. Donohue to me personally known, who
being duly sworn, did say that they signed their names to the foregoing instrument as witnesses. 
 [Notarial Seal] 

 

	
	 /s/ Danny Lee

	Notary Public
	COMMISSION EXPIRES

 Exhibit A 

Form of 3.500% Global Note due 2017 
 GLOBAL NOTE 
 THIS NOTE IS A GLOBAL NOTE WITHIN THE MEANING OF THE INDENTURE HEREINAFTER
REFERRED TO AND IS REGISTERED IN THE NAME OF A DEPOSITORY OR A NOMINEE THEREOF. THIS NOTE MAY NOT BE EXCHANGED IN WHOLE OR IN PART FOR A NOTE REGISTERED, AND NO TRANSFER OF THIS NOTE IN WHOLE OR IN PART MAY BE REGISTERED, IN THE NAME OF ANY PERSON
OTHER THAN SUCH DEPOSITORY OR ITS NOMINEE EXCEPT IN THE LIMITED CIRCUMSTANCES DESCRIBED IN THE INDENTURE. 
 UNLESS THIS CERTIFICATE IS
PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY TRUST COMPANY TO THE ISSUER OR ITS AGENT FOR REGISTRATION OF TRANSFER, EXCHANGE OR PAYMENT AND SUCH CERTIFICATE ISSUED IN EXCHANGE FOR THIS CERTIFICATE IS REGISTERED IN THE NAME OF
CEDE & CO., OR SUCH OTHER NAME AS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY, ANY TRANSFER, PLEDGE OR OTHER USE HEREOF FOR VALUE OR OTHERWISE BY OR TO ANY PERSON IS WRONGFUL, SINCE THE REGISTERED OWNER HEREOF,
CEDE & CO., HAS AN INTEREST HEREIN. 

 PETROBRAS INTERNATIONAL FINANCE COMPANY 

3.500% GLOBAL NOTES DUE 2017 
 No. 
 CUSIP No71645W AU5 
 ISIN No.: US71645WAU53 
 Common Code: 074413633 

Principal Amount: U.S.$1,750,000,000 
 Initial Issuance Date: February 6, 2012 
 This Note is one of a duly
authorized issue of notes of PETROBRAS INTERNATIONAL FINANCE COMPANY, an exempted company with limited liability organized under the laws of the Cayman Islands (the “Issuer”), designated as its 3.500% Global Notes Due 2017 (the
“Notes”), issued in an initial aggregate principal amount of U.S.$1,750,000,000 under the Twelfth Supplemental Indenture (the “Twelfth Supplemental Indenture”), effective as of February 6, 2012, by and among
the Issuer, The Bank of New York Mellon (formerly known as The Bank of New York), a New York banking corporation, as Trustee (the “Trustee”), and Petróleo Brasileiro S.A. - Petrobras, a mixed capital company (sociedade de
economia mista) organized under the laws of Brazil (“Petrobras”), to the Indenture, dated as of December 15, 2006 (the “Original Indenture”, and as supplemented by the Twelfth Supplemental Indenture and any
further supplements thereto with respect to the Notes, the “Indenture”), by and among the Issuer and the Trustee. Reference is hereby made to the Indenture for a statement of the respective rights, limitations of interests,
benefits, obligations and duties thereunder of the Issuer, the Trustee and the Holders, and of the terms upon which the Notes are, and are to be, authenticated and delivered. All capitalized terms used in this Note which are defined in the Indenture
and not otherwise defined herein shall have the meanings assigned to them in the Indenture. 
 The Issuer, for value received,
hereby promises to pay to Cede & Co. or its registered assigns, as nominee of The Depository Trust Company (“DTC”) and as the Holder of record of this Note, the principal amount specified above in U.S. dollars on
February 6, 2017 (or earlier as provided for in the Indenture) upon presentation and surrender hereof, at the office or agency of the Trustee referred to below. 
 As provided for in the Indenture, the Issuer promises to pay interest on the outstanding principal amount hereof, from the Closing Date, semiannually on February 6 and August 6 of each year (or
if such date is not a Business Day, the next succeeding Business Day following such day), commencing August 6, 2012 (each such date, an “Interest Payment Date”), at a rate equal to 3.500% per annum. Interest payable, and
punctually paid or duly provided for, on this Note on any Interest Payment Date will, as provided in the Indenture, be paid in U.S. dollars to the Person in whose name this Note (or one or more predecessor Notes) is registered at the close of
business on the Business Day preceding such interest payment. 

 Payment of the principal of and interest on this Note will be payable by wire transfer to a
U.S. dollar account maintained by the Holder of this Note as reflected in the Security Register of the Trustee. In the event the date for any payment of the principal of or interest on any Note is not a Business Day, then payment will be made on the
next Business Day with the same force and effect as if made on the nominal date of any such date for such payment and no additional interest will accrue on such payment as a result of such payment being made on the next succeeding Business Day.
Interest accrued with respect to this Note shall be calculated based on a 360-day year of twelve 30-day months. 
 The Notes are
subject to redemption by the Issuer on the terms and conditions specified in the Indenture. 
 This Note does not purport to
summarize the Indenture, and reference is made to the Indenture for information with respect to the respective rights, limitations of interests, benefits, obligations and duties thereunder of the Issuer, the Trustee and the Holders. 

If an Event of Default shall occur and be continuing, the outstanding principal amount of all the Notes may become or may be declared due
and payable in the manner and with the effect provided in the Indenture. 
 Modifications of the Indenture may be made by the
Issuer and the Trustee only to the extent and in the circumstances permitted by the Indenture. 
 The Notes shall be issued only
in fully registered form, without coupons. Notes shall be issued in the form of beneficial interests in one or more global securities in denominations of U.S.$2,000 and integral multiples of U.S.$1,000 in excess thereof. 

Prior to and at the time of due presentment of this Note for registration of transfer, the Issuer, the Trustee and any agent of the
Issuer or the Trustee may treat the Person in whose name this Note is registered as the owner hereof for all purposes, whether or not this Note is overdue, and neither the Issuer, the Trustee nor any agent thereof shall be affected by notice to the
contrary. 
 [REMAINDER OF PAGE INTENTIONALLY LEFT BLANK] 

 Unless the certificate of authentication hereon has been duly executed by the Trustee by
manual signature, this Note shall not be entitled to any benefit under the Indenture, or be valid or obligatory for any purpose. 
 THIS NOTE SHALL BE CONSTRUED IN ACCORDANCE WITH, AND GOVERNED BY, THE LAWS OF THE STATE OF NEW YORK. 
 IN WITNESS WHEREOF, the Issuer has caused this Note to be duly executed. 
  

			
	PETROBRAS INTERNATIONAL FINANCE COMPANY
		
	By	 	  

	Name:	 	
	Title:	 	
	
	WITNESSES:
		
	1.	 	  

		 	Name:
		
	2.	 	  

		 	Name:

							
	STATE OF NEW YORK	  	)	    		  	
		  	)	    	ss:	  	
	COUNTY OF NEW YORK	  	)	    		  	

 On this      day of February 2012, before me, a notary public within and for said
county, personally appeared                     , to me personally known, who being duly sworn, did say that      is the
Attorney-in-Fact of Petrobras International Finance Company, a corporation described in and which executed the foregoing instrument and acknowledges said instrument to be the free act and deed of said entity. 

On this      day of February 2012, before me personally came
                     and                      to
me personally known, who being duly sworn, did say that they signed their names to the foregoing instrument as witnesses. 
 [Notarial Seal]

  

	
	  

	 Notary Public

COMMISSION EXPIRES

 CERTIFICATE OF AUTHENTICATION 

This is one of the Securities of the series designated therein referred to in the within mentioned Indenture. 

Dated: February     , 2012 
  

			
	 The Bank of New York Mellon
 As Trustee

		
	By:	 	  

	Name:	 	
	Title:	 	Authorized Officer

 ASSIGNMENT FORM 
 For value received 
 hereby sells, assigns and transfers unto 

(Please insert social security or 
 other
identifying number of assignee) 
 (Please print or type name and address, 
 including zip code, of assignee:) 
 the within Note and does hereby irrevocably constitute and
appoint Attorney to transfer the Note on the books of the Note Registrar with full power of substitution in the premises. 
  

			
	
Date:                       
                                 
	  	 Your Signature:

  

	
	(Sign exactly as your name
	appears on the face of this Note)

 Exhibit B 

[Form of Guaranty]Exhibit 10.13

 Exhibit 10.13 
 

 
  
 RESTRICTED STOCK UNIT (RSU) AGREEMENT 
 This Restricted Stock
Unit (hereinafter “RSU”) Agreement, by and between CACI International Inc, a corporation organized under the laws of the State of Delaware (“CACI”), and [Name] (“Executive”). 

WHEREAS, the purpose of the CACI International Inc Management Stock Purchase Plan is to provide participants with an opportunity
to acquire and maintain, through an allocation of a portion of their annual incentive compensation, an equity interest in CACI; and, 
 WHEREAS, RSUs awarded under the Plan are intended to advance the interests of CACI International Inc and its subsidiary and affiliated companies by enabling them to: (i) align the interests of
those senior executives who share the primary responsibility for the management, growth, and protection of the business of CACI with those of CACI International Inc’s stockholders; (ii) furnish an incentive to such persons to continue
their services to CACI; and (iii) provide a means through which CACI may effectively compete with other organizations to obtain and retain the services of competent senior management personnel; and, 

WHEREAS, in furtherance of the purpose of the Plan, and in accordance with Executive’s allocation of a portion of
Executive’s bonus into the Plan, CACI wishes to grant to Executive RSUs for shares of the common stock of CACI International Inc. 
 NOW, THEREFORE, CACI and Executive hereby agree as follows: 
  

	I.	Restricted Stock Unit Award 

  

	 	A.	Definitions. For purpose of this Agreement, capitalized terms shall have the same meaning as provided in the Plan, unless explicitly
provided with a different meaning herein. 

  

	 	B.	 RSU Award. Pursuant to and subject to the terms of the Plan, CACI hereby grants to Executive a total of
[Enter_Number] RSUs representing an equal number of shares of the Stock of CACI International Inc at the “Adjusted Price” (meaning the Fair Market Value of a share of Stock on the date of grant less fifteen percent (15%)) of
$[Adjusted_Price] per share. The RSUs are granted subject to the restrictions and conditions as set forth in 

	 	
the Plan and this Agreement. Executive shall not have the rights of a stockholder with respect to any RSUs credited to Executive’s Account until shares of Stock have been distributed to
Executive pursuant to Article IV or V. B., and Executive’s name has been entered as a stockholder of record on the books of CACI with respect to such distributed shares of Stock. 

 

	II.	Grant Date 

 The effective
grant date grant of the RSUs awarded under this Agreement is [Date] (the “Grant Date”). 
  

	III.	Vesting 

 The RSUs granted
pursuant to this Agreement shall vest on the applicable date below (the “Vesting Date”): 
  

	 	A.	Executive shall become fully vested in the RSUs granted pursuant to this Agreement thirty-six (36) months after the Grant Date (i.e., on [Date],
provided that Executive has remained continuously employed on a full-time basis by CACI for the entire thirty-six (36) month period. Executive shall also become fully vested in the RSUs granted pursuant to this Agreement in the event any of the
following occur on or before [Date]:  

  

	 	(1)	In the event of termination of Executive’s full-time employment with CACI as a result of Executive’s Disability or death prior to [Date], all RSUs
granted pursuant to this Agreement shall become 100 percent vested upon Executive’s death or Disability. 

  

	 	(2)	In the event of a Good Reason Termination or Involuntary Termination Without Cause (each as defined below) prior to [Date], and within twenty-four
(24) months following a Change in Control, the RSUs granted pursuant to this Agreement shall become 100 percent vested on the date of such Good Reason Termination or Involuntary Termination Without Cause. 

 

	 	(3)	In the event of Executive’s voluntary Retirement (as defined below), the RSUs granted pursuant to this Agreement shall become 100 percent vested on the date of
Executive’s Retirement. 

  

	 	B.	 Except as provided in Article III. A. 1, 2 or 3 above or otherwise determined by the Committee, in order to become vested in RSUs under the
terms of 

  
 2 

	 	
this Agreement, the Executive must have been in the continuous full-time employ of CACI (or an Affiliate of CACI) from the Grant Date through the close of business on the Vesting Date. The
Executive shall not be deemed to be employed by CACI (or an Affiliate of CACI) if the Executive’s employment has been terminated, even if the Executive is receiving severance in the form of salary continuation through the regular payroll
system. If Executive terminates employment with CACI (or an Affiliate of CACI) for any reason other than a Good Reason Termination or Involuntary Termination Without Cause within twenty-four (24) months following a Change in Control or by
Retirement, Disability or death, or converts from full-time to part-time status (other than after becoming eligible for Retirement), Executive shall forfeit any RSUs granted under this Agreement that are not vested as of such date.

  

	 	C.	The following definitions shall apply for purposes of this Agreement: 

 “Cause” means: 
  

	 	(1)	gross negligence, willful misconduct or willful malfeasance by the Executive in connection with the performance of any material duty for the Company or an Affiliate;

  

	 	(2)	the Executive’s commission or participation in any violation of any legal requirement or obligation relating to the Company (unless the Executive had a reasonable
good faith belief that the act, omission or failure to act in question was not a violation of such legal requirement or obligation) and such violation has materially and adversely affected the Company; 

 

	 	(3)	the Executive’s conviction of, or plea of guilty or nolo contendere, to a crime committed during the course of his/her employment with the Company that the
Committee, acting in good faith, reasonably determines is likely to have a material adverse affect on the reputation or business of the Company or an Affiliate; 

 

	 	(4)	theft, embezzlement or fraud by the Executive in connection with the performance of his or her duties for the Company or an Affiliate; 

 

	 	(5)	a violation of any confidentiality agreement or obligation or non-compete agreement with the Company or an Affiliate; 

  
 3 

	 	(6)	a material violation of (i) the Company’s Standards of Conduct, as the same may be amended and in effect from time to time, or (ii) any other published
Company policy; or 

  

	 	(7)	the diversion or appropriation of any material business opportunity. 

 If the written employment agreement between Executive and the Company provides a different definition of “Cause” (or other term that defines conduct on the part of the Executive that permits the
Company to terminate such written employment agreement without liability to the Executive), that definition shall control and shall be substituted for the above in applying the Plan to that Executive. 

“Change in Control Date” means the date (after the Grant Date) on which a Change in Control event is legally consummated and
legally binding on the parties. 
 “Good Reason Termination” means Executive’s resignation from full-time
employment with the Company (or a Subsidiary or Affiliate of the Company) following the occurrence of any of the following circumstances without the Executive’s prior written consent: 

 

	 	(1)	A material reduction in the Executive’s total compensation and benefit opportunity from that in effect on the day before the Change in Control Date (other than a
reduction made by the Board, acting in good faith, based upon the performance of the Executive, or to align the compensation and benefits of the Executive with that of comparable executives, based on market data); 

 

	 	(2)	A substantial adverse alteration in the conditions of the Executive’s employment from those in effect on the day before the Change in Control Date;

  

	 	(3)	A substantial adverse alteration in the nature or status of the Executive’s position or responsibilities from those in effect on the day before the Change in
Control Date; or 

  
 4 

	 	(4)	A change in the geographic location of the Executive’s job more than fifty (50) miles from the place at which such job was based on the day before the Change
in Control Date. 

 Before the Executive may resign for Good Reason, the Executive must provide the Company at
least thirty (30) days’ prior written notice of his intent to resign for Good Reason and specify in reasonable detail the Good Reason upon which such resignation is based. The Company shall have a reasonable opportunity to cure any such
Good Reason (that is susceptible of cure) within thirty (30) days after the Company’s receipt of such notice. The Executive’s delay in providing such notice shall not be deemed to be a waiver of any such Good Reason, nor does the
failure to resign for one Good Reason prevent any later Good Reason resignation for a similar or different reason. 

“Involuntary Termination Without Cause” means a termination by the Company (or a Subsidiary or Affiliate of Company) of
Executive’s full-time employment without Cause. 
 “Retirement” means retirement from full-time employment with
CACI (or an Affiliate of CACI) or a change from full-time employment with CACI (or an Affiliate of CACI)) to part-time status, in both cases on or after Executive has attained age 65, and following delivery of a notice from Executive to CACI’s
Plan Administrator stating that Executive is permanently retiring from CACI and the Information Technology industry. 
  

	IV.	Delivery of Shares 

  

	 	A.	Unless Executive has elected a deferred distribution date, then, subject to the requirements of Section 10 of the Plan and Article VI of this Agreement,
CACI shall establish an account for Executive at UBS Financial Services, Inc., or such other similar organization which provides stock administration services to the Company, and transfer into such account one share of unrestricted Common Stock of
CACI International Inc for each vested RSU covered by this Agreement within thirty (30) days after the earlier of: (1) the end of the 36-month period beginning on the Grant Date, (2) the date of Executive’s death, (3) ninety
(90) days after Executive’s disability (within the meaning of Section 409A(a)(2)(C) of the Code), or (4) the date of Executive’s Separation from Service. 

  
 5 

	 	B.	If Executive has elected a deferred distribution date, CACI shall issue to Executive one share of Stock with respect to each vested RSU that is subject to such
election, within thirty (30) days after the earlier of: (1) the deferred distribution date (if expressed as a whole number of years, not less than three (3), following the Grant Date) specified by Executive in the Subscription Agreement;
(2) the date of Executive’s death, (3) ninety (90) days after Executive’s disability (within the meaning of Section 409A(a)(2)(C) of the Code), or (4) the date of Executive’s Separation from Service. The
issuance of such Stock shall be in full settlement of the Award. 

  

	 	C.	CACI shall effect a withholding of shares of Stock to be issued hereunder in such number whose aggregate Fair Market Value at such time equals the total amount
of any federal, state or local taxes or any applicable taxes or other withholding of any jurisdiction required by law to be withheld as a result of the issuance of the Stock in whole or in part; provided, however, that the value of the Stock
withheld by CACI may not exceed the statutory minimum withholding amounts required by law. In lieu of such deduction, CACI may require that the Executive make a cash payment to CACI equal to the amount required to be withheld.

  

	V.	Forfeiture and Termination 

  

	 	A.	Except as may otherwise be determined by the Committee or as required by Article III. A. 1, 2 or 3 above , if Executive voluntarily terminates employment with
CACI, is terminated by CACI for Cause or converts from full-time status to part-time status prior to the Vesting Date (or becoming eligible for Retirement), or in the event of the lapsing of the RSUs in accordance with the provisions of Article VIII
below prior to the Vesting Date, all unvested RSUs shall be forfeited, and Executive will be entitled to receive within thirty (30) days following his or her Separation from Service the lesser of: 

 

	 	(1)	a cash amount equal to the number of RSUs granted under this Agreement, multiplied by the Adjusted Price of an RSU, plus simple interest using the one-year Treasury
Bill rate in effect on [Date] of each year from the Grant Date to the date of Executive’s termination; or, 

  

	 	(2)	a cash amount equal to the value of the shares underlying the RSUs as based on the closing share price at Executive’s date of termination or conversion to
part-time status. 

  
 6 

	 	B.	Except as may otherwise be determined by the Committee or as required by Article III. A. 1, 2 or 3 above, if CACI terminates Executive’s employment without
Cause prior to the Vesting Date and Executive had not previously converted from full-time to part-time status, then the RSUs shall be canceled and Executive shall receive a payment within thirty (30) days following Executive’s Separation
from Service determined as follows: The number of RSUs shall be multiplied by a fraction, the numerator of which is the number of full months that Executive was employed by CACI after the Grant Date and the denominator of which is thirty-six (36);
Executive shall be deemed vested in such RSUs and shall receive the resulting number of such vested RSUs in shares of Stock. With respect to the remaining portion of such RSUs (consisting of nonvested RSUs), Executive shall receive within thirty
(30) days following Executive’s Separation from Service the lesser of: 

  

	 	(1)	a cash amount equal to the number of such RSUs, multiplied by the Adjusted Price of an RSU, plus simple interest using the one-year Treasury Bill rate in effect on
[DATE] of each year from the date of grant to the date of Executive’s termination; or, 

  

	 	(2)	a cash amount equal to the value of the shares underlying such RSUs as based on the closing share price at Executive’s date of termination.

  

	VI.	Specified Employees 

 Notwithstanding
anything herein to the contrary, any distribution under Article IV or V to a Specified Employee on account of a Separation from Service shall be made as soon as practical (but not later than 30 days) after the first day of the seventh month
following the date of Separation from Service (or, if earlier, the date of death). 
  

	VII.	Designation of Beneficiary 

  

	 	A.	 From time to time, Executive may designate a beneficiary or beneficiaries (who may be named contingently or successively) to whom any benefit
under this Agreement is to be paid in case of Executive’s death before Executive has received all benefits to which Executive would have been entitled under this Agreement. Each designation of beneficiary shall revoke all prior designations by
Executive, shall be in a form prescribed by the Committee (copy attached), and shall be effective only when received in writing by the Plan Administrator. The last valid beneficiary designation

  
 7 

	 	
received shall be controlling; provided, however, that no beneficiary designation, change or revocation shall be effective unless received prior to Executive’s death.

  

	 	B.	If no valid and effective beneficiary designation exists at the time of Executive’s death, or if no designated beneficiary survives Executive, or if
Executive’s beneficiary designation is legally invalid, any benefit payable hereunder shall be made to Executive’s surviving spouse, if any, or if there is no such surviving spouse, to the executor or administrator of Executive’s
estate. If the Plan Administrator is in doubt as to the right of any person to receive payment of any benefit hereunder, the Committee may direct that the amount of such benefit be paid into a court of competent jurisdiction in an interpleader
action, and such payment into court shall fully and completely discharge any liability or obligation of the Plan, CACI, the Committee, CACI International Inc, the Board of Directors of CACI International Inc, or the Plan Administrator under this
Agreement. 

  

	VIII.	Conditions of Lapsing 

The RSUs granted pursuant to this Agreement shall lapse and terminate and may no longer be converted to unrestricted shares of CACI
International Inc Common Stock if: 
  

	 	A.	Executive terminates his or her employment with CACI for any reason other than death, Disability or voluntary retirement in accordance with Article III. A. 1 or
3 before the Vesting Date; 

  

	 	B.	Prior to reaching age 65, Executive converts from full-time employment status with CACI to another status before the Vesting Date; or 

 

	 	C.	CACI International Inc is placed under the jurisdiction of a bankruptcy court, dissolved or liquidated. 

 

	IX.	Adjustment to RSUs 

  

	 	A.	 The award of these RSUs to Executive shall not affect in any way the right or power of CACI International Inc or its stockholders to make or
authorize any or all adjustments, recapitalizations, reorganizations or other changes in CACI International Inc’s capital structure or its business, or any merger or consolidation of CACI International Inc, or any issue of bonds, debentures,

  
 8 

	 	
preferred or prior preference stock ahead of or affecting the Common Stock or the rights thereof, or the dissolution or liquidation of CACI International Inc, or any sale or transfer of all or
any part of its assets or business, or any other corporate act or proceeding, whether of a similar character or otherwise. 

  

	 	B.	If CACI International Inc shall effect a subdivision or consolidation of shares or other capital readjustment, the payment of a stock dividend, or other increase
or reduction of the number of shares of the Common Stock outstanding, without receiving compensation therefore in money, services or property, the number and class of shares of Common Stock represented by the RSUs granted pursuant to this Agreement
shall be appropriately adjusted in such a manner as to ensure that Executive receives the same total number of shares that the owner of an equal number of outstanding shares of the Common Stock would own as a result of the event requiring the
adjustment. 

  

	 	C.	Except as hereinbefore expressly provided, the issue by CACI International Inc of shares of stock of any class, or securities convertible into shares of stock of
any class, for cash or property, or for labor or services, either upon direct sale or upon the exercise of rights or warrants to subscribe therefore, or upon conversion of shares or obligations of CACI International Inc convertible into such shares
or other securities, shall not affect, and no adjustment by reason thereof shall be made with respect to, the number of RSUs granted pursuant to this Agreement. 

 

	X.	Fractional Shares 

 No
fractional shares or scrip representing fractional shares of Common Stock shall be issued in connection with the conversion of the RSUs granted pursuant to this Agreement. If, upon granting shares herein, Executive would be entitled to a fractional
share of Common Stock, the number of shares to which Executive is entitled shall be rounded up to the next highest whole number. 
  

	XI.	Rule 16b-3 Securities Law Compliance 

 Transactions under the Plan are intended to comply with all applicable conditions of Rule 16b-3 under the U.S. Securities and Exchange Act of 1934 to the extent they are or may be applicable to the Plan.
Any ambiguity or inconsistency in the construction of an RSU award or the Plan shall be interpreted to give effect to such intention. 

  
 9 

	XII.	Assignment 

 This
Agreement and the RSUs granted under it may not be assigned without the prior written consent of the Committee. 
  

	XIII.	Acknowledgement of Grant Quantity 

 By signing this Agreement, Executive hereby acknowledges his/her understanding that the number of RSUs granted under the Agreement, as indicated in Article I, is the proper number of RSUs granted based on
the amount of his/her annual bonus for the fiscal year ended June 30, 2011 deferred under the Plan. 
  

	XIV.	Amendment 

 This Agreement
embodies the entire understanding between CACI and Executive regarding the subject matter of the Agreement and supersedes any and all previous agreements and/or understandings between CACI and Executive concerning such subject matter, including the
matter described in Article XIV immediately above. This Agreement may be amended only in a written instrument signed by both parties. 
  

	XV.	Headings 

 Article
headings are strictly for the purpose of convenience and general reference only and shall not affect the meaning or interpretation of any of the provisions of this Agreement. 

 

	XVI.	Applicable Law 

 This
Agreement shall be construed and enforced in accordance with and governed by the laws of the State of Delaware. 
  

	XVII.	Severability 

 In the
event that any provision of this Agreement shall be held illegal, invalid or unenforceable for any reason, such provision shall be fully severable, but shall not affect the remaining provisions of the Agreement, and the Agreement shall be construed
so as to give effect to the intent of the Agreement as if the illegal, invalid, or unenforceable provision was not included herein. 

  
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	XVIII.	No Right to Employment 

Nothing in the Plan or this Agreement, or any instrument executed pursuant to the Plan, shall create any Employment rights (including
without limitation, rights to continued employment) in Executive or affect the right of CACI to terminate the employment of Executive at any time without regard to the existence of the Plan. 

 

	XIX.	Notices 

 Any notice
required or permitted to be given under this Agreement must be given by first class or certified mail, addressed as follows, unless notice of a change of address has subsequently been given in writing. 

IN WITNESS WHEREOF, the parties have caused this Agreement to be executed on the date(s) written below. 

 

									
	CACI:	 		 	EXECUTIVE:
			
	  
	 		 	  

	 [Approver]
	 		 	[Print Name]
	By:	 	[Approver Title]	 		 	
					
	Date:	 	  
	 		 	Date:	 	  

  
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