[Translation] Ref. PDI/BK-BS-034/2010 6 May 2010 To: President The Stock Exchange of Thailand Re. : Notification of resignation of the director This is to notify the SET that Mrs. Sirinuj Bisonyabut, director representative of Ministry of Finance, has resigned from the above referred position because she has retired from the government official from 1 May 2010 onwards. Please be notified accordingly. Yours truly, - Signature - (Mr. Surin Tanticharoenkiat) Company Secretary Board Secretary Division Tel. 02 695 9499 Ext. 9335 Fax 02 695 949361 9946