SET Announcements

Ref. : CK-00-0000-AFD-L-356 11th May 2000 Subject : Changing for Joint Venture CKSL's Proportion Attention : President The Stock Exchange of Thailand Since CH. Karnchang Public Company Limited ("the Company") joined with SNC-Lavalin Inc. established for Joint Venture CKSL to operate the content of The Design, Manufacture, Supply and Installation of the Track Work for the Metropolitan Rapid Transit, Chaloem Ratchamongkhol Line with Metropolitan Rapid Transit Authority. The Company are pleased to inform that the participation stake of each partner in Joint Venture CKSL has been changed as follow : NAME PROPORTION (%) OLD NEW CH. Karnchang Plc. 50 99.90 SNC-Lavalin Inc. 50 0.10 For your information. Sincerely yours, (Mr. Prasert Marittanaporn) Senior Vice President Accounting and Finance