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Occidental Petroleum 4th Quarter 2012 Results to be Announced January 31, 2013

  Occidental Petroleum 4th Quarter 2012 Results to be Announced January 31,
  2013

Business Wire

LOS ANGELES -- January 16, 2013

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.

Contact:

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