X0305 4 2012-06-04 0 0000006769 APACHE CORP APA 0001276257 OLSON W KREGG 2000 POST OAK BLVD, SUITE 100 HOUSTON TX 77056 0 1 0 0 Exec. Vice President Common Stock 2012-06-04 4 M 0 805. 0 A 27467. D Common Stock 2012-06-04 4 F 0 294. 79.37 D 27173. D Restricted Stock / Units 0 2012-06-04 4 M 0 805. 0 D Common Stock 805. 23737. 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 06/01/2012 of restricted stock units under employer plan - data provided by plan administrator on 06/04/2012. Vesting occurs 25% per year over four years. Shares withheld to cover required tax withholding on vesting of restricted stock units effective as of 06/01/2012 - data provided by plan administrator on 06/04/2012. With tandem tax withholding right Cheri L. Peper, Attorney-in-Fact 2012-06-04