news releases

Occidental to Hold Earnings Conference Call

LOS ANGELES, July 10, 2001 -- Occidental Petroleum Corporation (NYSE:OXY) will hold a conference call following the release of its Second-quarter financial results on Thursday, July 19, 2001. The conference call, to begin at 11:30 a.m. EST, may be accessed by calling (888) 868-9080.

All remarks made during the conference call will be current at the time of the call and will not be updated to reflect subsequent material developments.

Copies of Occidental's news releases, most recent annual report, SEC filings and other financial materials are available on the company's Website, http://www.oxy.com.

CONTACT: Occidental Petroleum Corporation
         www.oxy.com 
         Larry Meriage, Media
         (310) 443-6562

         Kenneth J. Huffman, Investors
         (212) 603-8183