Filed by Anadarko Petroleum Corporation
pursuant to Rule 425 under the Securities Act of 1933
and deemed filed pursuant toRule 14a-12
under the Securities Exchange Act of 1934
Subject Company: Anadarko Petroleum Corporation
Commission FileNo.: 001-08968
The following letter was mailed to stockholders of Anadarko Petroleum Corporation on July 24, 2019.
July 24, 2019
Dear Stockholder:
We have previously sent to you proxy material for the special meeting of stockholders of Anadarko Petroleum Corporation, to be held on August 8, 2019.Your Board of Directors unanimously recommends you vote FOR the proposed merger with Occidental Petroleum Corporation.
Your vote is important, no matter how many or how few shares you may own. If you have not already done so,please vote TODAY by telephone,via the Internet, or by signing, dating and returning the enclosed proxy card in the envelope provided.
Very truly yours,
Philip H. Peacock
Vice President, Deputy General Counsel,
Corporate Secretary and Chief Compliance Officer