X0303 4 2010-06-14 0 0000006769 APACHE CORP APA 0001250242 PLANK ROGER B 2000 POST OAK BLVD, SUITE 100 HOUSTON TX 77056 0 1 0 0 President Common Stock 2010-06-14 4 M 0 1465. 0 A 95422. D Common Stock 2010-06-14 4 F 0 534. 95.34 D 94888. D Common Stock 12134. I By Spouse Common Stock 38930. I By trust fbo L.B. Plank Common Stock 38534.508 I Held by trustee of 401(k) plan Common Stock 35557.4058 I By Trust Common Stock 15569.427 I Held by trustee of NQ Plan Common Stock 30313.5942 I Indian Creek Holdings, Ltd. Conditional Grant / ($81.00 Threshold) 0 2010-06-14 4 M 0 1465. 0 D 2010-07-14 Common Stock 1465. 0 D The shares of common stock of Apache are deemed to also represent certain preferred stock purchase rights ('Rights'). The Rights are not currently exercisable or separately tradable and presently are evidenced by certificates for shares of the common stock. Value attributable to such Rights, if any, is reflected in the market price of the common stock. $81.00 price threshold attained on 06/14/2007 under the terms of 2005 Share Appreciation Plan. Data for the 06/14/2010 vesting provided by the plan administrator on 06/15/2010. Grant vested one-fourth on each of 06/14/2007, 06/14/2008, 06/14/2009, and 06/14/2010, and vested portion distributed within 30 days of each such date. Shares used to cover required tax withholding on 06/14/2010 vesting of conditional grant. Data provided by the plan administrator on 06/15/2010. These shares are held in trust for the benefit of the reporting person's children. The reporting person and spouse are trustees. With tandem tax withholding right Cheri L. Peper, Attorney-in-Fact 2010-06-16