Bangkok--1 Aug--SET Thailand Futures Exchange PCL (TFEX) has appointed Ayudhya Derivatives Co., Ltd. (AYD) to act as the third market-maker for SET50 Index Futures from August 1, 2007. The two current market-makers are KGI Securities (Thailand) PCL (KGI) and Trinity Polaris Futures Co., Ltd. (TIPOL). “Market-makers boost liquidity and thus reassure investors that their trading orders will be realized. Consequently, we are delighted to have AYD take on this role. At present, TFEX is in discussions with its members seeking market-makers for SET50 Index Options, which are to be launched in October this year,” Ms. Kesara said. AYD, which was founded by Ayudhya Securities PCL (AYS) to specifically handle derivatives trading, had 6.36% market share of futures trading in the first six months of 2007. For more details on this firm, please visit http://www.ayd.co.th TFEX members interested in acting as market-makers should contact TFEX on (66) 2229-2757, email TFEX[email protected], or log onto www.tfex.or.th For more information, please contact the Corporate Communications Dept.: Ladawan Kantawong Tel: 0-2229-2036 / Kulvida Jintakawong Tel: 0-2229-2037 / Nattaporn Boonprapa Tel: 0-2229-2049 / Watsamon Saowakhonsathien Tel: 0-2229-2797