January 30, 2007 Subject: Invitation to propose the agenda items of 2007 Annual General Meetings Attention : Managing Director The Stock Exchange of Thailand According to The Principles of Good Corporate Governance for Listed Companies, Tirathai Public Company limited ("TRT") are realized the importance of the participation of our shareholders to propose agenda items in advance of the Annual General Meetings (AGM).Therefore, TRT would like to invite our shareholders to propose the agenda items for 2007 AGM by sending them to our E-mail address, ir@tirathai-transformer.com, or sending via facsimile to 0-2709-3236 beginning from January 31, 2007 to February 7, 2007. TRT will collect the submitted proposals and proceeding to the Board of Directors for consideration to place the appropriate proposed agenda items in the 2007 AGM. TRT would like to ask the cooperation from the shareholders who wishing to submit the proposals, for beneficial to the consideration, to inform additional information as followed, 1.Names, addresses and telephone numbers of shareholders (for the convenient to contact if more information are needed) and evidence showing the continual of shares being held e.g. sharecertificate, confirmation notes from broker. 2.Objectives and details relating to proposed items which will help the Board of Directors in their consideration e.g. facts, reasons, issues to be consideration and expected benefits to company. Please be informed accordingly. Your Faithfully, (Mr.Upakrom Thaweephoke) Deputy Managing Director (Finance and Marketing)