EN TH
09 April 2007

Addition holiday in the year 2007

5 April 2007 To: The President, Stock Exchange of Thailand Re: Addition holiday in the year 2007. This is to inform that during the year 2007, the company has an additional different holiday when compares with SET's which is Tuesday 17 April 2007. Please be informed accordingly. Yours faithfully, (Chatchai Thiamtong) Vice President - Finance