July 30, 2008 Subject: Additional Orders from MEA and PEA To: President of the Stock Exchange of Thailand Tirathai Public Company Limited would like to inform that TRT has already received 5 orders from Metropolitan Electricity Authority (MEA) and Provincial Electricity Authority (PEA) with total value of 551,579,600 Baht (Five Hundred Fifty one million Five Hundred Seventy Nine Thousand and Six Hundred Baht). The details are as follows: Orders form MEA 1. 370 units of 225 kVA 12/24 kV Distribution Transformer with value of 255,818,000 Baht and 27 units of 75 kVA 12/24 kV with value of 10,227,600 Baht. The delivery date is during October 2008 to January 2009 as per the Contract No: MP1-8975-AGE dated 31 July 2008. 2. 4 units of 36/48/60 MVA 115/12-24 kV Power Transformer with value of 113,200,000 Baht. Its delivery date is during February - May 2009. 2 units of 36/48/60 MVA 115/24 kV with value of 55,100,000 Baht and its delivery date is within March 2009 as per the Contract No: MP1-8900-WGA dated 4 August 2008. 3. 16 units of 1,000 kVA 12/24 kV Distribution Transformer with value of 24,864,000 Baht with the delivery date in December 2008 as per Contract No: MP1-8975-BGH dated 31 July 2008. Orders from PEA 1. 1 unit of 30/40/50 MVA 115-33 kV Power Transformer with value of 29,440,000 Baht and its the delivery date is in March 2009 as per Contract No: Bor.Tor. (Tor Khor.)3-034/2551 dated 15 July 2008 2. 2 units of 50/60 MVA 115/22 kV Power Transformer with value of 46,700,000 Baht and 1 unit of 20/25 MVA 115/22kV with value of 16,230,000 Baht. The delivery date is in January 2009 under the Project: Triumph steel (Chonburi). Please kindly be informed and announced to the investor accordingly. Your Faithfully, (Mr.Upakrom Thaweephoke) Executive Committee and Company Secretary