================================================================================ SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED) APRIL 25, 2003 OCCIDENTAL PETROLEUM CORPORATION (Exact name of registrant as specified in its charter) DELAWARE 1-9210 95-4035997 (State or other jurisdiction (Commission (I.R.S. Employer of incorporation) File Number) Identification No.) 10889 WILSHIRE BOULEVARD LOS ANGELES, CALIFORNIA 90024 (Address of principal executive offices) (ZIP code) Registrant's telephone number, including area code: (310) 208-8800 ================================================================================ Item 9. Regulation FD Disclosure ------ ------------------------ The full text of the speech made on April 25, 2003, by Dr. Ray R. Irani at the Occidental Petroleum Corporation 2003 Annual Meeting of Stockholders in Los Angeles, California, as well as an addendum reconciling non-GAAP financial measures included in that speech, is attached to this report as Exhibit 99.1. SIGNATURE Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. OCCIDENTAL PETROLEUM CORPORATION (Registrant) DATE: April 25, 2003 S. P. Dominick, Jr. -------------------------------------------------- S. P. Dominick, Jr., Vice President and Controller (Chief Accounting and Duly Authorized Officer)