X0303 4 2009-05-04 0 0000006769 APACHE CORP APA 0001250242 PLANK ROGER B ONE POST ONE CENTRAL 2000 POST OAK BLVD, SUITE 100 HOUSTON TX 77056-4400 0 1 0 0 President Common Stock 2009-05-04 4 M 0 1775. 0.00 A 66127. D Common Stock 2009-05-04 4 F 0 647. 76.97 D 65480. D Common Stock 2009-05-04 4 M 0 1650. 0.00 A 67130. D Common Stock 2009-05-04 4 F 0 602. 76.97 D 66528. D Common Stock 12134. I By Spouse Common Stock 22346.529 I By Trust Common Stock 38930. I By trust fbo L.B. Plank Common Stock 38282.566 I Held by trustee of 401(k) plan Common Stock 15462.715 I Held by trustee of NQ Plan Common Stock 43524.471 I Indian Creek Holdings L.P. Restricted Stock Units 0.00 2009-05-04 4 M 0 1775. 0.00 D Common Stock 1775. 75800. D Restricted Stock Units 0.00 2009-05-04 4 M 0 1650. 0.00 D Common Stock 1650. 74150. 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. Vesting on 05/01/09 of restricted stock units under employer plan - data provided by plan administrator on 05/04/09. Vesting occurs 25% per year over four years. Shares withheld to cover required tax withholding on vesting of restricted stock effective as of 05/01/09 - data provided by plan administrator on 05/04/09. Vesting on 05/03/09 of restricted stock units under employer plan - data provided by plan administrator on 05/04/09. Vesting occurs 25% per year over four years. Shares withheld to cover required tax withholding on vesting of restricted stock effective as of 05/03/09 - data provided by plan administrator on 05/04/09. These shares are held in trust for the benefit of the reporting person's children. The reporting person and spouse are trustees. Managing general partner of Indian Creek Holdings L.P. With tandem tax withholding right One share of Apache common stock for each restricted stock unit. Cheri L. Peper, Attorney-in-Fact 2009-05-05