No. Esso/SET/011/52 December 8, 2009 Subject: Shareholder Proposals for Agenda Items and Director Nominations for 2010 Annual General Meeting of Shareholders To: President of The Stock Exchange of Thailand Dear Sir, Esso (Thailand) Public Company Limited ("Company") would like to notify its shareholders of its invitation to propose relevant agenda item(s) for the 2010 Annual General Meeting of Shareholders, and to nominate qualified candidates for election as directors of the Company to replace those retiring by normal rotation. Procures, criteria and conditions for submitting such proposals are described in the Company's website http://www.esso.co.th. Proposals are to be submitted to the Company by February 12, 2010. Please be informed accordingly. Yours truly, Esso (Thailand) Public Company Limited ....................................................................... (Mr. Robert Michael Cooper)