Stockholder Services

Transfer Agent

Wells Fargo Shareowner Services

P.O. Box 64874
St. Paul, MN 55164-0874
Tel: (877) OXY-8166 or (877) 699-8166 (U.S. toll free)
Tel: (651) 450-4064 (from outside the U.S.)

Earnings Package

Investor Relations Contacts
Corporate Headquarters
Occidental Petroleum Corporation
5 Greenway Plaza, Suite 110
Houston, Texas 77046-0506
Investor Relations      
1230 Avenue of the Americas
New York, New York 10020
(212) 603-8111
Richard A. Jackson
Vice President Investor Relations