Resignation of Chairman and Director

No. EGCO 110/436 Date : June 13, 2007 Attn : President of the Stock Exchange of Thailand Subject: The Resignation of Chairman and Director Electricity Generating Public Company Limited (EGCO) would like to inform the Stock Exchange of Thailand (SET) that Mr. Pornchai Rujiprapa has resigned from his Chairmanship and Directorship effective from June 8, 2007 onwards. EGCO will inform SET regarding the appointment of the new Chairman and Director, accordingly. Yours sincerely, Visit Akaravinak President Corporate Secretary Division Tel. 0 2998 5020 - 24