Report on Investment made from IPO Proceed-03

BackAug 02, 2005

RPC/HO-SET/ELCID-0011/05 August 1st, 2005 Subject Report on Investment made from Initial Public Offering Proceeds-03 To President The Stock Exchange of Thailand Rayong Purifer Public Company Limited of "RPC" would like to report on the investment made from the IPO proceed on RPC's 15,830,000 new ordinary shares issued to the public in November 2003 which raised 414,000,000 Baht net of fees and expenses. As of December 31st, 2005 the remaining amount to be invested is 250,000,000 Baht and during first half of 2005, as of June 30th, 2005 the Company had invested on the following purposes: (unit : Million Baht) Purpose Amount Invested 1.) Expand Retail Business in Gasoline Service Stations - through Subsidiary Company. 2.) Invest in VTN-P Refinery Project in Vietnam - 3.) Increase Production Efficiency and Flexibility to - Capture Higher Value Products 4.) Upgrade Products to meet new Legal Specification 10 5.) Working Capital-Used as short-term liquidity to support 150 government's subsidy policy on Diesel Oil Price since the credit term of the Government's subsidy is longer than normal suppliers' credit term 6.) Expand in Domestic Wholesales Business-Increase shareholding 7 position in SCT Petroleum Co., Ltd., the distributor and trader of fuel oil to both wholesalers and retailers nationwide from 30% to 100% in order to secure wholesales market 7. Expand in International Trading Business - Since VTN-P, the 10 oil refinery project in Vietnam has got adequate term loan from the Exim Bank of Thailand, therefor, the amount provided to support the start-up of VTN-P Project was allocated to expand in international petroleum and petrochemical business to capture opportunity of the Government's Oil Hub Policy Total 177 Therefore, the Company had now invested 341,000,000 Baht from the IPO proceeds and the remaining amount as of June 30th 2005 is 73,000,000 Baht. Please be so informed. Sincerely Yours, Ms.Siraporn Krishnakan Assistant to Managing Director