CHANGE IN PAR VALUE OF "STECON" (CORRECTED)

Change in Par value of "STECON" Sino-Thai Engineering and Construction Public Co.,Ltd.has informed the SET that it has already completed the legal process required for changing the company's par value from ten baht to one baht. And the company has adjusted the exercise ratio and price of the STECON-W to be in accordance to the change of par value as follows: Exercise ratio: 1 unit of warrant for 10 ordinary shares Exercise price: 1 Baht per share As a result, effective from August 9, 2002 onwards, the par value of the STECON and STECON-P security in the trading system will be changed from ten baht to one baht and the exercise ratio and price of its warrant,STECON-W, will be changed as stated above.