SET Announcements

-Translation- F 24-3 May 3, 2006 Subject: Audit Committee's member and Responsibilities Attention: President of The Stock Exchange of Thailand The Board of Directors of The Bangchak Petroleum Public Company Limited resolved in its Meeting No. 6/2006 held on May 3, 2006 to appoint an additional Audit Committee's member, Miss Pranom Kowinwipat. The tenure of member is 3 years starting from May 3, 2006. 1. The Audit Committee is composed of - Mr. Anusorn Tamajai Chairman of the Audit Committee (Tenure has remained for 2 years and 2 months) - Mr. Wirat Iam-Ua-Yut Audit Committee Member (Tenure has remained for 2 years and 2 months) - Mr. Nipon Surapongrukchareon Audit Committee Member (Tenure has remained for 2 years 2 months) - Miss Pranom Kowinwipat Audit Committee member (Tenure has remained for 3 years) (Vice President of Internal Control Office is the Secretary to Audit Committee) 2. The Audit Committee has scope of functions and responsibilities to the Board of Directors as follows: 1) To ensure accuracy and adequacy of the Company's financial reporting according to the Accounting Principles governed by laws. 2) To ensure that the Company has suitable and efficient internal control system and internal audit and to assure the efficiency and adequacy of the risk management system. 3) To review the performance of the Company to ensure compliance with the securities and exchange law, regulations of the Exchange or laws relating to business of the Company. 4) To review the disclosure of information of the Company in case that there is a connected transaction or transaction that may lead to conflict of interest so as to ensure accurateness and completeness. 5) To inspect and consider with the management on the defects that have been found out and on the responses from the management. 6) To empower the auditing and investigating all related party under the authorization of the Audit Committee and also to authorize in hiring an expert so as to audit and investigate in compliance with the Company's regulations. 7) To prepare a report on monitoring activities of the Audit Committee and disclose it in an annual report of the Company, and have such report signed by Chairman of the Audit Committee. 8) To consider, select, nominate and recommend remuneration of the company's external auditor. 9) To consider auditing scopes and plans of the external auditor and the internal audit department so that they are contributory to each other and to reduce double operations as concerns financial auditing. 10) To approve Charter, work plans, budget and manpower of the Internal Control Office 11) To appoint, transfer, and undertake annual evaluation of the Vice President of Internal Control Office. 12) To perform any other act assigned by the Board of Directors with approval of the Audit Committee. The Company hereby certifies that the aforementioned members meet all the qualifications prescribed by the Stock Exchange of Thailand. General -signed- Chairman (Tawat Ked-Unkoon) -signed- President (Anusorn Sangnimnuan)