11 April 2008

Resignation of the Director

MCOT Public Company Limited 63/1 Rama IX Road, Huaykwang Bangkok 10310 Thailand Phone +66 (0) 2201 6000 Fax +66 (0) 2245 1435 E-mail Contact@mcot.net Ref: MCOT 6155/1082 April 11, 2008 The Stock Exchange of Thailand Attn: The President Re: The resignation of Director of the Board Dear Sir, We, MCOT Plc., would like to inform the Stock Exchange of Thailand that Mr. Sanguan Tiyapaiboonsin, director, has resigned since 11 April 2008 due to his other duties. In this respect, MCOT Plc. will proceed with the appointment of a replacement director, who is legally qualified and possesses no prohibited characteristics as prescribed in the Company's Articles of Association, and will inform our shareholders of such appointment. Sincerely yours, (Mr. Polchai Vinijchaikul) Vice President Legal Affairs Office MCOT Public Company Limited Investor Relation Department Tel. 0 2201 6454, 6388 Fax 0 2245 1854