Reporting Person : - | Type of securities : - | Date of reporting obligation : 16/08/2006

Derivative Warrants | STEC13C2401A | DERIVATIVE CALL WARRANTS ON SINO-THAI ENGINEERING AND CONSTRUCTION PUBLIC CO.,LTD. ISSUED BY KGI SECURITIES (THAILAND) PUBLIC COMPANY LIMITED LAST TRADING IN

Derivative Warrants | STEC01C2401X | DERIVATIVE CALL WARRANTS ON SINO-THAI ENGINEERING AND CONSTRUCTION PUBLIC CO.,LTD. ISSUED BY BUALUANG SECURITIES PUBLIC COMPANY LIMITED LAST TRADING IN JANUARY

Derivative Warrants | STEC13C2402A | DERIVATIVE CALL WARRANTS ON SINO-THAI ENGINEERING AND CONSTRUCTION PUBLIC CO.,LTD. ISSUED BY KGI SECURITIES (THAILAND) PUBLIC COMPANY LIMITED LAST TRADING IN

Derivative Warrants | STEC01C2402A | DERIVATIVE CALL WARRANTS ON SINO-THAI ENGINEERING AND CONSTRUCTION PUBLIC CO.,LTD. ISSUED BY BUALUANG SECURITIES PUBLIC COMPANY LIMITED LAST TRADING IN FEBRUARY

Derivative Warrants | STEC13C2312A | DERIVATIVE CALL WARRANTS ON SINO-THAI ENGINEERING AND CONSTRUCTION PUBLIC CO.,LTD. ISSUED BY KGI SECURITIES (THAILAND) PUBLIC COMPANY LIMITED LAST TRADING IN

Derivative Warrants | STEC19C2312A | DERIVATIVE CALL WARRANTS ON SINO-THAI ENGINEERING AND CONSTRUCTION PUBLIC CO.,LTD. ISSUED BY YUANTA SECURITIES (THAILAND) COMPANY LIMITED LAST TRADING IN DECEMBER

Derivative Warrants | STEC13C2312B | DERIVATIVE CALL WARRANTS ON SINO-THAI ENGINEERING AND CONSTRUCTION PUBLIC CO.,LTD. ISSUED BY KGI SECURITIES (THAILAND) PUBLIC COMPANY LIMITED LAST TRADING IN

Derivative Warrants | STEC01C2401A | DERIVATIVE CALL WARRANTS ON SINO-THAI ENGINEERING AND CONSTRUCTION PUBLIC CO.,LTD. ISSUED BY BUALUANG SECURITIES PUBLIC COMPANY LIMITED LAST TRADING IN JANUARY

Derivative Warrants | STEC01P2401A | DERIVATIVE PUT WARRANTS ON SINO-THAI ENGINEERING AND CONSTRUCTION PUBLIC CO.,LTD. ISSUED BY BUALUANG SECURITIES PUBLIC COMPANY LIMITED LAST TRADING IN JANUARY