Occidental Petroleum Corporation (NYSE:OXY) will hold a conference call on Thursday, January 31, 2013, following the release of its fourth quarter 2012 financial results. The conference call, which will begin at 11:30 a.m. Eastern, may be accessed by calling 800-473-6123 (for international callers dial 973-582-2710). 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 may not be updated to reflect subsequent material developments.

Fourth quarter 2012 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.

About Oxy

Occidental Petroleum Corporation (OXY) is an international oil and gas exploration and production company with operations in the United States, Middle East/North Africa and Latin America regions. Oxy is one of the largest U.S. oil and gas companies, based on equity market capitalization. Oxy's wholly owned subsidiary OxyChem manufactures and markets chlor-alkali products and vinyls. Oxy is committed to safeguarding the environment, protecting the safety and health of employees and neighboring communities and upholding high standards of social responsibility in all of the company's worldwide operations.

Occidental Petroleum Corporation
Media
Melissa E. Schoeb
310-443-6504
melissa_schoeb@oxy.com
or
Investors
Chris Stavros
212-603-8184
chris_stavros@oxy.com
On the web: www.oxy.com