X0201 3/A 2003-07-17 2003-07-24 0 0000797468 OCCIDENTAL PETROLEUM CORP /DE/ OXY 0001250412 HURST JOHN L OCCIDENTAL CHEMICAL CORPORATION 5005 LBJ FREEWAY DALLAS TX 75244 0 1 0 0 Executive Vice President Common Stock 1500 D Phantom stock units Common Stock 20000 D Employee stock option (right to buy) 20.0625 2010-07-19 Common Stock 1661 D Employee stock option (right to buy) 20.0625 2010-07-19 Common Stock 18339 D Employee stock option (right to buy) 26.75 2011-07-11 Common Stock 7476 D Employee stock option (right to buy) 26.75 2011-07-11 Common Stock 62524 D Employee stock option (right to buy) 26.43 2012-07-17 Common Stock 5044 D Employee stock option (right to buy) 26.43 2012-07-17 Common Stock 74956 D Employee stock option (right to buy) 31.13 2013-07-16 Common Stock 80000 D Call option (obligation to sell) 30 2003-04-04 2003-11-21 Common Stock 1000 D Phantom stock units to be settled for common stock upon retirement or termination of employment. The phantom stock units convert into common stock on a one-for-one basis. The option vested in three equal annual installments beginning on July 19, 2001. The option vests in three equal annual installments beginning on July 11, 2002. The option vests in three equal annual installments beginning on July 17, 2003. The option vests in three equal annual installments beginning on July 16, 2004. /s/ CHRISTEL H. PAULI, Attorney-in-Fact for John L. Hurst 2003-08-22