X0306 4 2013-06-03 0 0000006769 APACHE CORP APA 0001240213 BAHORICH MICHAEL S 2000 POST OAK BLVD. SUITE 100 HOUSTON TX 77056 0 1 0 0 Exec Vice President & Chief Technology Officer Common Stock 2013-06-03 4 M 0 1723. 0 A 17391.542 D Common Stock 2013-06-03 4 F 0 472. 82.13 D 16919.542 D Common Stock 548. I By Sons Common Stock 4950. I By Trust fbo Nephews & Nieces Common Stock 1214. I By Granddaughters Common Stock 28641.856 I By Bahorich Invest GST Trust Restricted Stock / Units 0 2013-06-03 4 M 0 1723. 0 D Common Stock 1723. 27663. 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 06/01/2013 of restricted stock units under employer plan - data provided by plan administrator on 06/03/2013. Vesting occurs 25% per year over four years. Shares withheld to cover required tax withholding on vesting of restricted stock effective as of 06/01/2013 - data provided by plan administrator on 06/03/2013. With tandem tax withholding right One share of Apache common stock for each restricted stock unit. Cheri L. Peper, Attorney-in-Fact 2013-06-04