14 November 2007

Resignation of the Director

Ref: MCOT 6100/2714 November 14, 2007 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.Prakit Prachonpachanuk, director and Nomination Committee and Remuneration Committee, has resigned since 14 November 2007. 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