X0202 4/A 2006-07-31 2006-07-31 0 0000006769 APACHE CORP APA 0001240205 CHAMBERS THOMAS P ONE POST OAK CENTRAL 2000 POST OAK BOULEVARD, SUITE 100 HOUSTON TX 77056-4400 0 1 0 0 Vice President, Planning Common Stock 2006-07-31 4 S 0 4232. 70.00 D 4850. 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. Amended to include footnote relating to preferred stock purchase rights not reflected on original filing. Cheri L. Peper, Attorney-in-Fact 2006-08-01