X0202 4 2005-08-23 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 Exec. Vice Pres. & Chief Fin. Officer Phantom Stock Units 0.00 2005-08-23 4 J 0 42.1346 68.82 A Common Stock 42.1346 36288.3538 D One share of Apache common stock for each phantom stock unit. Exempt acquisition pursuant to Rule 16b-3(d) - accrued under the deferred compensation provisions of Apache's Deferred Delivery Plan as of 08/22/05 - data provided by plan administrator on 08/23/05. 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. Cheri L. Peper, Attorney-in-Fact 2005-08-24