The Interim Dividend Payment

No. EGCO 110/346 Date: August 24, 2009 Attn: President of the Stock Exchange of Thailand Subject: The Resolution of the Board of Directors and the Interim Dividend Payment Electricity Generating Public Company Limited (EGCO) would like to inform the Stock Exchange of Thailand that the Board of Directors at the Meeting No. 6/2009 held on August 24, 2009 passed the following resolutions: - That the interim dividend payment for the 1st-half-year operation of the Year 2009 be paid at Baht 2.50 per share on September 17, 2009. - That the record date to determine the names of the shareholders who have the rights to receive the interim dividend and the closing date of the shareholders registration book,pursuant to section 225 of the Securities and Exchange Act be September 7, 2009 and September 8, 2009, respectively. Yours sincerely, Vinit Tangnoi President Corporate Secretary Division Tel. 0 2998 5020-24