Occidental Petroleum Corporation (NYSE:OXY) will hold a conference call on Thursday, July 26, 2012, following the release of its second 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.

Second 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 the fourth-largest U.S. oil and gas company, 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
Melissa E. Schoeb (Media)
Melissa_schoeb@oxy.com
310-443-6504
or
Chris Stavros (Investors)
Chris_stavros@oxy.com
212-603-8184
On the web: www.oxy.com