X0306 4 2013-05-06 0 0000006769 APACHE CORP APA 0001379910 Teslik Sarah B 2000 POST OAK BLVD. SUITE 100 HOUSTON TX 77056 0 1 0 0 Sr. Vice President Common Stock 2013-05-06 4 M 0 417. 0 A 15034. D Common Stock 2013-05-06 4 F 0 115. 75.24 D 14919. D Common Stock 2013-05-06 4 M 0 493. 0 A 15412. D Common Stock 2013-05-06 4 F 0 135. 75.24 D 15277. D Common Stock 2013-05-07 4 M 0 825. 0 A 16102. D Common Stock 2013-05-07 4 F 0 226. 76.02 D 15876. D Restricted Stock / Units 0 2013-05-06 4 M 0 417. 0 D Common Stock 417. 4868. D Restricted Stock / Units 0 2013-05-06 4 M 0 493. 0 D Common Stock 493. 4375. D Restricted Stock / Units 0 2013-05-07 4 M 0 825. 0 D Common Stock 825. 3550. 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 05/04/2013 of restricted stock units under employer plan - data provided by plan administrator on 05/06/2013. Vesting occurs 25% per year over four years. Shares withheld to cover required tax withholding on vesting of restricted stock effective as of 05/04/2013 - data provided by plan administrator on 05/06/2013. Vesting on 05/05/2013 of restricted stock units under employer plan - data provided by plan administrator on 05/06/2013. Vesting occurs 25% per year over four years. Shares withheld to cover required tax withholding on vesting of restricted stock effective as of 05/05/2013 - data provided by plan administrator on 05/06/2013. Vesting on 05/06/2013 of restricted stock units under employer plan - data provided by plan administrator on 05/07/2013. Vesting occurs 25% per year over four years. Shares withheld to cover required tax withholding on vesting of restricted stock effective as of 05/06/2013 - data provided by plan administrator on 05/07/2013. With tandem tax withholding right Cheri L. Peper, Attorney-in-Fact 2013-05-08