news releases

Occidental To Hold Earnings Conference Call

LOS ANGELES, Jan. 10, 2005 -- Occidental Petroleum Corporation (NYSE:OXY) will hold a conference call on Monday, January 24, 2005, following the release of its fourth-quarter 2004 financial results. The conference call, which will begin at 11:30 a.m. EDT, may be accessed by calling 1-888-873-8496. The conference call also can be heard live on the company's website, www.oxy.com.

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.

Fourth-quarter financial results will be available through the Investor Relations section of the company's website concurrent with the SEC filing. An archived edition of the conference call also will be available on the website within several hours after the call is completed.

CONTACT:

           Lawrence P. Meriage (media)
           310-443-6562
  
           Kenneth J. Huffman (investors)
           212-603-8183
           On the web: www.oxy.com