APACHE CORPORATION $1,500,000,000 5.100% Notes due 2040 UNDERWRITING AGREEMENTUnderwriting Agreement • August 20th, 2010 • Apache Corp • Crude petroleum & natural gas • New York
Apache Corporation, a Delaware corporation (the “Company”) confirms its agreement with Banc of America Securities LLC, BNP Paribas Securities Corp. and Citigroup Global Markets Inc. and each of the other Underwriters named in Schedule A hereto (collectively, the “Underwriters,” which term shall also include any underwriter substituted as hereinafter provided in Section 10 hereof), for whom Banc of America Securities LLC, BNP Paribas Securities Corp. and Citigroup Global Markets Inc. are acting as representatives (in such capacity, the “Representatives”), with respect to the sale by the Company and the purchase by the Underwriters, acting severally and not jointly, of $1,500,000,000 aggregate principal amount of the Company’s 5.100% Notes due 2040 (the “Securities”) as set forth in Schedule A hereto. The Company understands that the Underwriters propose to make a public offering of the Securities as soon as the Representatives deem advisable after this Agreement has been executed and de
