Occidental Petroleum Corp 5 August 2002 LETTER TO: RNS LETTER DATED: JULY 18, 2002 We wish to advise you that the following action was taken by Occidental Petroleum's Board of Directors on July 18, 2002: Declared a regular quarterly dividend on the Common Stock at $.25 per share, payable October 15, 2002 to stockholders of record on September 10, 2002. LETTER FROM: OCCIDENTAL PETROLEUM CORPORATION This information is provided by RNS The company news service from the London Stock Exchange