No. Esso/SET/005/52 March 27, 2009 Subject: Publication of the Notice of 2009 Annual General Meeting of Shareholders in the Company's website To: President of The Stock Exchange of Thailand Dear Sir, Reference is made to the 2009 Annual General Meeting of Shareholders to be held on Tuesday, April 28, 2009 of Esso (Thailand) Public Company Limited ("Company"). The Company would like to notify the Stock Exchange of Thailand that in accordance with principles of good corporate governance, the Company has published the Notice of the 2009 Annual General Meeting of Shareholders in the Company's website http://www.esso.co.th. Please be informed accordingly. Yours truly, Esso (Thailand) Public Company Limited ................................................................. (Mr. Jim M. Anthony)