Occidental Petroleum 1st Quarter 2015 Results to Be Announced Wednesday, May 6, 2015

Occidental Petroleum Corporation</a> (NYSE:OXY) will hold a conference call on Wednesday, May 6, 2015, at 10 a.m. Eastern, following the release of its first quarter 2015 financial results. </p>

The conference call may be accessed by calling 1-866-871-6512 (international callers dial 1-412-317-5417) or via webcast at http://www.oxy.com/</a>. Participants may pre-register for the conference call at http://dpregister.com/10063110</a>. </p>

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. </p>

First quarter 2015 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. </p>

About Occidental Petroleum</b></span> </p>

Occidental Petroleum Corporation</a> is an international oil and gas exploration and production company with operations in the United States, Middle East region and Latin America. Headquartered in Houston, Occidental is one of the largest U.S. oil and gas companies, based on equity market capitalization. Occidental’s midstream and marketing segment gathers, processes, transports, stores, purchases and markets hydrocarbons and other commodities in support of Occidental’s businesses. The company’s wholly owned subsidiary OxyChem manufactures and markets chlor-alkali products and vinyls. </p>

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Contact</strong>

[wp=408]Occidental Petroleum Corp.[/wp]
"> Media:
"> Melissa E. Schoeb
"> 713-366-5615
"> melissa_schoeb@oxy.com
"> or
"> Investors:
"> Christopher M. Degner
"> 212-603-8111
"> christopher_degner@oxy.com
"> On the web: www.oxy.com</a> </p>