X0304 4 2011-11-02 0 0000006769 APACHE CORP APA 0001196213 MERELLI F H 1700 LINCOLN STREET SUITE 1800 DENVER CO 80203 0 0 0 1 Retired Director Common Stock 2011-11-02 4 M 0 949. 0 A 16161. D Common Stock 13086. I By IRA Restricted Stock / Units 0 2011-11-02 4 M 0 949. 0 D Common Stock 949. 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. In connection with reporting person's retirement from Apache's board of directors, vesting on 11/01/2011 of restricted stock units granted to Apache's non-employee directors under 2011 Omnibus Equity Compensation Plan. Information provided by plan administrator on 11/02/2011. One share of Apache common stock for each restricted stock unit. Cheri L. Peper, Attorney-in-Fact 2011-11-04