January 16, 2009 Subject : Signed Sales Contracts To : President of the Stock Exchange of Thailand Tirathai Public Company limited would like to inform that the company have been signed the sales contract for supply and Installation of 50 MVA Power Transformers amount 4 Units with the Provincial Electricity Authority (PEA) according to the contract No.Bor Tor. (Tor Kor) 3-095/2551 Date January 13, 2009 total amount 118,000,000 Baht (One hundred Eighteen Million Baht Only) Delivery Date within the quarter 4th 2009. Please be informed accordingly. Your Faithfully, (Mr.Upakrom Thaweephoke) Executive Committee and Company Secretary