SET Announcements

Ref: CK-04-0000-PO-L-0054 18 February 2004 Subject Signing a Maintenance Contract Attention President The Stock Exchange of Thailand Since CH.Karnchang Public Company Limited has sign the Maintenance Contract for the Civil Infrastructure Package No.4 - Civil and Architectural Work in the Depot Project : MRT Chaloem Ratchamongkhon Line with Bangkok Metro Company Limited. This transaction is a normal and in ordinary course of our business. The detail of the contract is as follows: Commencement Date: 1 March 2004 The Value of Contract: Baht 85,000,000 (Exclusive of Value-add-tax) (Eighty Five Million Baht Only) Period: 7 years For your information. Sincerely yours, (Mr. Anukool Tuntimas) Executive Vice President Human Resource and General Administration