23 April 2007

Resignation of the Management

Ref: MCOT/6124/866 April 20, 2007 The Stock Exchange of Thailand Attn: The President Re: The resignation of the management of MCOT Public Company Limited Dear Madam: Regarding to the resignation of one of the management officer of MCOT Public Company Limited, we would like to inform the name and title as follows:Miss Bunthanik Boolsin Vice president, Office of Marketing 1 and Acting Vice President , Office of Marketing Strategy. The resignation date is effective on 1 May 2007 Sincerely yours (Mr. Polchai Vinijchaikul) Acting Vice President Legal Affairs and the Company s Secretary Office MCOT Public Company Limited Investor Relations Department Tel 02 201 6388 Fax 02 245 1435