ข่าวแจ้งตลาดหลักทรัพย์

=Translation= Ref: CK-06-0000-PO-L-0078 March 15, 2006 Subject Signing the Concession Contract Attention President The Stock Exchange of Thailand As SouthEast Asia Energy Limited ("SEAN"), a subsidiary of CH. Karnchang Public Company Limited, entered into a Concession Agreement with the government of the Lao People's Democratic Republic, granting SEAN concession rights for total of 32 years to cover five years for the construction, two years for the testing of the 615 MW hydroelectric power plant, and 25 years for the cross-border electricity supply to EGAT Public Company Limited ("EGAT") on March 14, 2006. SEAN and EGAT are in the process of concluding the negotiation of a power purchase agreement that is expected to be concluded shortly as will the related financing agreements. For your information. Sincerely yours, =signature= (Mr. Anukool Tuntimas) Executive Vice President Human Resource and General Administration