LISTED SECURITIES GRANTED BY THE SET : STEC

LISTED SECURITIES GRANTED BY THE SET : STEC Starting from April 20, 2005, 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 : 1,015,763,350 Baht (1,015,763,350 common shares) New : 1,017,721,150 Baht (1,017,721,150 common shares) Par Value : 1 Baht/share Allocated to : Warrant holders of 1,957,800 units to subscribe 1,957,800 common shares Exercise Ratio : 1 warrant to 1 common share Exercise Price Per Share : 1 Baht Exercise date : March 30,2005