================================================================================ 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 22, 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 and Item 12. Results of Operations and ------- ------------------------ -------- ------------------------- Financial Condition ------------------- On April 22, 2003, Occidental Petroleum Corporation released information regarding its results of operations for the fiscal period ended March 31, 2003. This Form 8-K is being furnished to report information pursuant to Item 9, Regulation FD Disclosure and Item 12, Results of Operations and Financial Condition. The full text of the press release is attached to this report as Exhibit 99.1. The full text of speeches given by Stephen I. Chazen and Ray R. Irani is attached to this report as Exhibit 99.2. Investor Relations Supplemental Schedules are attached to this report as Exhibit 99.3. 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 21, 2003 S. P. Dominick, Jr. -------------------------------------------------- S. P. Dominick, Jr., Vice President and Controller (Chief Accounting and Duly Authorized Officer)