ข่าวแจ้งตลาดหลักทรัพย์

TRANSLATION 1000 /237 / 2004 September 24, 2004 The Stock Exchange of Thailand 62, Ratchadapisek Road, Klongtoey Bangkok 10110 Subject : Resume the Operation of Catalytic Reforming Unit Attention : President of The Stock Exchange of Thailand As the Company notified the investors through the Stock Exchange of Thailand on Septermber 16, 2004 about the temporary shut down of the Catalytic Reforming Unit for maintenance. Please be informed that the maintenance of such unit has been completed and the Company has already resumed the normal operation. In addition, the Company will reinstall the repaired spare part at the next major annual turnaround. Please be informed accordingly. Yours sincerely, (Patiparn Sukorndhaman) Senior Executive Vice President Accounting and Finance Corporate Planning and Investor Relation Office Tel : 0-2335-4583