FIFTH AMENDMENT TO SECOND AMENDED AND RESTATED CREDIT AGREEMENT

THIS FIFTH AMENDMENT TO SECOND AMENDED AND RESTATED CREDIT AGREEMENT (this “Amendment”) is made as of May 21, 2012 by and among BERRY PETROLEUM COMPANY, a Delaware corporation (“Borrower”), WELLS FARGO BANK, N.A., individually and as administrative agent (“Administrative Agent”), and the Lenders party to the Original Credit Agreement defined below (“Lenders”).

WHEREAS, Borrower, Administrative Agent and Lenders entered into that certain Second Amended and Restated Credit Agreement dated as of November 15, 2010 (as amended, supplemented, or restated to the date hereof, the “Original Credit Agreement”), for the purpose and consideration therein expressed, whereby Lenders became obligated to make loans and other extensions of credit to Borrower as therein provided; and

WHEREAS, Borrower, Administrative Agent and Lenders desire to amend the Original Credit Agreement upon the terms and conditions as set forth herein;

NOW, THEREFORE, in consideration of the premises and the mutual covenants and agreements contained herein and in the Original Credit Agreement, in consideration of the loans and other extensions of credit that may hereafter be made by Lenders to Borrower, and for other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties hereto do hereby agree as follows:

“Amendment” means this Fifth Amendment to Second Amended and Restated Credit Agreement.

“Credit Agreement” means the Original Credit Agreement as amended hereby.

“Original Omnibus Certificate” means the Omnibus Certificate dated November 15, 2010 executed and delivered by officers of Borrower pursuant to the Original Credit Agreement.

“Lender Counterparties” means (a) each Lender and each Affiliate of a Lender to whom Lender Hedging Obligations are owed and (b) each Person that entered into any Hedging Contract with the Borrower or any Guarantor prior to the time, or during the time, that such Person was a Lender or an Affiliate of a Lender, even if such Person ceases to be a Lender or an Affiliate of a Lender for any reason.

(h)     GHG. Contracts entered into with the purpose and effect of fixing prices on greenhouse gasses (GHG) that are expected to be emitted from the Restricted Persons’ steam generation and co-generation facilities located in the State of California, provided that at all times: (i) no such contract fixes a price for a term of more than 60 months; (ii) the aggregate monthly notional amounts covered by all such contracts (determined, in the case of contracts that are not settled on a monthly basis, by a monthly proration reasonably acceptable to Administrative Agent) for any single month does not in the aggregate exceed 100% of Restricted Persons’ aggregate projected GHG emissions from such facilities for such month, (iii) except for letters of credit and the Collateral under the Security Documents with respect to Lender Hedging Obligations, no such contract requires any Restricted Person to put up money, assets or other security against the event of its nonperformance prior to actual default by such Restricted Person in performing its obligations thereunder, and (iv) each such contract is with a counterparty or has a guarantor of the obligation of the counterparty who (unless such counterparty is a Lender or one of its Affiliates) at the time the contract is made has long-term obligations rated A1 by Moody’s or A+ by S & P, or better, respectively, by either Rating Agency.

§3.1    Effective Date. This Amendment shall become effective as of the date first above written when and only when:

(a)Amendment Documentation. Administrative Agent shall have received all of the following, at Administrative Agent’s office, duly executed and delivered and in form and substance satisfactory to Administrative Agent, all of the following:

(i)this Amendment;

(ii)a certificate of the Secretary of Borrower dated the date of this Amendment certifying: (i) that resolutions attached thereto previously adopted by the Board of Directors of the Borrower authorize the execution, delivery and performance of this Amendment by Borrower; (ii) the names and true signatures of the officers of the Borrower authorized to execute and deliver Loan Documents; (iii) that the certificate of incorporation and bylaws of Borrower are in effect on the date hereof and no modifications have been made to them; and (iv) that all of the representations and warranties set forth in Article IV hereof are true and correct on and as of the date hereof, except to the extent that such representation or warranty was made as of a specific date or updated, modified or supplemented as of a subsequent date with the consent of Required Lenders and Administrative Agent, in which cases such representations and warranties shall have been true and correct in all material respects on and of such date; and

(iii)such other supporting documents as Administrative Agent may reasonably request.

(b) No Default. No event shall have occurred and be continuing that would constitute an Event of Default or a Default.

(c) Fees & Expenses. Borrower shall have paid, in connection with such Loan Documents, all other fees and reimbursements to be paid to Administrative Agent pursuant to any Loan Documents, or otherwise due Administrative Agent and including fees and disbursements of Administrative Agent’s attorneys.

§4.1    Representations and Warranties of Borrower. In order to induce each Lender to enter into this Amendment, Borrower represents and warrants to each Lender that:

(a)    The representations and warranties contained in Article V of the Original Credit Agreement and the other Loan Documents are true and correct in all material respects on and as of the date hereof as if such representations and warranties have been made as of the date hereof, except to the extent that such representations or warranties were made as of a specific date or updated, modified or supplemented as of a subsequent date with the consent of Required Lenders and Administrative Agent, in which case such representations and warranties shall have been true and correct in all material respects on and of such date.

(b)    Borrower is duly authorized to execute and deliver this Amendment and is and will continue to be duly authorized to borrow monies and to perform its obligations under the Credit Agreement. Borrower has duly taken all corporate action necessary to authorize the execution and delivery of this Amendment and to authorize the performance of the obligations of Borrower hereunder.

(c) The execution and delivery by Borrower of this Amendment, the performance by Borrower of its obligations hereunder and the consummation of the transactions contemplated

hereby do not and will not (a) conflict with (i) any Law, (ii) the Organizational Documents of Borrower, or (iii) any agreement, judgment, license, order or permit applicable to or binding upon Borrower in any material respect, (b) result in the acceleration of any Indebtedness owed by Borrower, or (c) result in the creation of any Lien upon any assets or properties of Borrower. Except for those which have been obtained, no consent, approval, authorization or order of, and no notice to or filing with, any Governmental Authority or third party is required in connection with the execution, delivery or performance by Borrower of this Amendment or to consummate any transactions contemplated hereby.

(d) When duly executed and delivered, each of this Amendment and the Credit Agreement will be a legal and binding obligation of Borrower, enforceable in accordance with its terms, except as limited by bankruptcy, insolvency or similar laws of general application relating to the enforcement of creditors’ rights and by equitable principles of general application.

(e) The most recent financial statements of Borrower delivered to Lenders pursuant to Sections 6.2(a) and (b) of the Credit Agreement fairly present Borrower’s financial position as of the respective dates thereof. Copies of such financial statements have heretofore been delivered to each Lender. Since such date no Material Adverse Change has occurred in the financial condition or businesses or in the Consolidated financial condition or businesses of Borrower.

§5.1    Ratification of Agreements. The Original Credit Agreement as hereby amended is hereby ratified and confirmed in all respects. The Loan Documents, as they may be amended or affected by this Amendment, are hereby ratified and confirmed in all respects. Any reference to the Credit Agreement in any Loan Document shall be deemed to be a reference to the Original Credit Agreement as hereby amended. The execution, delivery and effectiveness of this Amendment shall not, except as expressly provided herein, operate as a waiver of any right, power or remedy of Lenders under the Credit Agreement, the Notes, or any other Loan Document nor constitute a waiver of any provision of the Credit Agreement, the Notes or any other Loan Document.

§5.2    Survival of Agreements. All representations, warranties, covenants and agreements of Borrower herein shall survive the execution and delivery of this Amendment and the performance hereof, including without limitation the making or granting of the Loans, and shall further survive until all of the Obligations are paid in full. All statements and agreements contained in any certificate or instrument delivered by Borrower hereunder or under the Credit Agreement to any Lender shall be deemed to constitute representations and warranties by, and/or agreements and covenants of, Borrower under this Amendment and under the Credit Agreement.

§5.3    Loan Documents. This Amendment is a Loan Document, and all provisions in the Credit Agreement pertaining to Loan Documents apply hereto.

§5.4    Interpretive Provisions. Section 1.4 of the Credit Agreement is incorporated herein by reference herein as if fully set forth.

§5.5    Governing Law. This Amendment shall be governed by and construed in accordance with and governed by the laws of the State of California and the laws of the United States of America without regard to principles of conflicts of law.

§5.6    Counterparts; Fax. This Amendment may be separately executed in counterparts and by the different parties hereto in separate counterparts, each of which when so executed shall be deemed to constitute one and the same Amendment. This Amendment may be validly executed by facsimile or other electronic transmission.