X0202 4 2006-05-05 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 Option (Buy $71.88) 71.88 2006-05-05 4 A 0 6600. 0.00 A 2016-05-03 Common Stock 6600. 6600. D Restricted Stock Units 0.00 2006-05-05 4 A 0 6600. 0.00 A Common Stock 6600. 21533. D With tandem tax withholding right Stock option granted 05/03/2006 under employer plan - data received from the plan administrator on 05/05/2006. Exercisable ratably over four years beginning 05/03/2007. 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. One share of Apache common stock for each restricted stock unit. Restricted units granted 05/03/2006 under employer plan - data received from plan administrator on 05/05/2006. The units vest 25% per year on 06/01/2007, 05/03/2008, 05/03/2009 and 05/03/2010. Cheri L. Peper, Attorney-in-Fact 2006-05-08