No. Esso/SET/007/53 July 2, 2010 Subject: Cessation of Director and Executive of Esso (Thailand) Public Company Limited To: President The Stock Exchange of Thailand Esso (Thailand) Public Company Limited ("Company") would like to notify the Stock Exchange of Thailand that Mr. Kwok Yew Meng has resigned from the Company and has ceased to be Retail Manager and Director of the Company with effect from July 1, 2010. Please be informed accordingly Your truly Esso (Thailand) Public Company Limited (Mr. Robert Michael Cooper) Managing Director