mai adds new securities : TRT-W1 The Stock Exchange of Thailand (SET) has granted a listing of certificates representing the rights to purchase shares (warrants) of Tirathai Public Company Limited # 1 (TRT-W1) from July 9, 2009. The SET has allowed TRT-W1 amounting 67,547,319 units to be traded on the Market for Alternative Investment (mai) under the sector of warrants to subscribe common shares using the trading name of "TRT-W1" commencing from July9, 2009 onwards. Note: The warrant holders and investors can study description, condition and major characteristics of TRT-W1 via SET Information Management System (SETSMART) under the securities "TRT" and can study terms and conditions of TRT-W1 which were already submitted to the warrant holders or from SET website : http://www.set.or.th/set/warrantslookup.do