Change of Company Name and Symbol for Tanayong Public Company Limited (TYONG) Tanayong Public Company Limited has changed its name to BTS Group Holdings Public Company Limited and has already completed the legal process for changing its name. Therefore, effective from May 11, 2010 onwards, the securities name and symbol in the trading system will be changed as follows: Old Name Full Name "Tanayong Public Company Limited" Symbol "TYONG" New Name Full Name "BTS Group Holdings Public Company Limited" Symbol "BTS"