. Sincerely yours, Mr.Prasit Hanpiyavatanasakul Authorized Signature

comply with rules and regulations under the Notification of the Capital Market Supervisory Commission. Please be informed accordingly. Yours sincerely, -Signature- (Mrs. Sasinee Hemthanon) Company

members of The Stock Exchange of Thailand and those interested to be informed accordingly would be appreciated. Yours faithfully, -Signature- (Mr. Pongsak Thiengviboonvong) Managing director

addition, a partnership with SUT should enhance company opportunity in construction service business. Please be informed accordingly. Yours sincerely, -Signature- (Mr. Slib Soongswang) Chief Executive

Sincerely, -Signature- (Mr. Teerawit Charuwat) Director and Chief Executive Officer

. Yours faithfully, - Signature - (Mr. Pongsak Thiengviboonvong) Managing Director

accordingly would be appreciated. Yours faithfully, -Signature- (Mr. Pongsak Thiengviboonvong) Managing director

Selling & Administrative Expenses and Finance Cost at Bath 56.98 million and Bath 2.01 million respectively. Please be informed accordingly Yours sincerely, -Signature- (Miss Nilrat Jarumanopas) Chief

targets, when encouraging, will also be considered. Please be informed accordingly. Yours truly, - Signature - (Suthathip Pilasarom) Company Secretary Board Secretary Division Tel. 0 2695 9499 Ext. 9414

January 2004. - Signature - (Captain Suchat Jaovisidha) Minister of Finance Chairman Securities and Exchange Commission 2 1