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We consent to the incorporation by reference in the Registration Statement on Form S-8 No. 333-62871 pertaining to the Berry Petroleum Company Thrift Plan of our report dated June 9, 2010, with respect to the statements of net assets available for the Berry Petroleum Company Thrift Plan as of December 31, 2009 and 2008, and the related statement of changes in net assets available for benefits for the year ended December 31, 2009 and the related supplemental schedule, which report appears in the December 31, 2009 Annual Report on Form 11-K of the Berry Petroleum Company Thrift Plan.