LISTED SECURITIES GRANTED BY THE SET : STEC

LISTED SECURITIES GRANTED BY THE SET : STEC Starting from January 19, 2006, the Stock Exchange of Thailand (SET) allows the securities of SINO-THAI ENGINEERING AND CONSTRUCTION PUBLIC CO.,LTD. (STEC) to be traded on the SET after finishing its capital increase procedures. Name : STEC Paid up Capital Old : 1,024,482,589 Baht (1,024,482,589 common shares) New : 1,184,489,189 Baht (1,184,489,189 common shares) Par Value : 1 Baht/share Allocated to : 1.STEC-W 6,600 warrants exercise to 6,600 common shares Exercise Ratio 1:1 Exercise Price 1 Baht Exercise date : December 30, 2005 2. UBS Securities PLE Ltd. as a settlement agent and reallocate shares to 31 international institutional investors. Number of Share : 160,000,000 common shares Price per share : 12.10 Baht Subscription and Payment Date:January 12-16, 2006