PURCHASES STAKES ON HTR

Sino-Thai Engineering & Constrution Plc convened the Extraordinary Meeting of Shareholders No. 1/1997 during 10.15-10.45 hours, on the 3th day of September, 1997 at Tarn Tawan Room,Radison Hotel Bangkok at No. 92 Soi Saengjam Rama IX Road, Kwaeng Bangkapi, Khet Huaykwang, Bangkok Metropolis. The Shareholders have unanimously resolved on the following matters: 1. Approving the acquisition of 7,938,995 ordinary shares in HTR Co., Ltd. at the purchse price of 16.31 Baht (Sixteen point thirty one Baht) per share with the total investment of 129,485,008.45 Baht (One Hundred Twenty-Nine Million Four Hundred Eighty Five Thousand Eigth Baht point Forty-Five Baht Only) from the following HTR's shareholders; Seller Relation with the Number of Shares to be Sold Listed Company a) Mr. Chavarat Shareholders/ Charnvirakul Mrs.Tassanee 634,999 Ordinary Shares Charnvirakul'a Husband b) Mrs. Tassanee Shareholders/ Charnvirakul Chairman of the company 26,999 Ordinary Shares C) Mr.Chavaporn Charnvirakul Shareholders 26,999 Ordinary Shares d) C.T. Venture Co., Ltd. connected person with 6,999,999 Ordinary Shares Charnvirakul Family e) Sino-Tha Connected person with 249,999 Ordinary Shares Development Charnvirakul Family Co., Ltd The said investment will result in the increase in sharesholding in HTR Co.,Ltd. from 15,861,000 shares or 31.72 percent to 23,799,995 shares or 47.60 percent of the total paid up capital of the said company. This will enable STECON to control and operate the said company to derive highest possible profit return per shareholder equity and to support the expansion of the business of STECON in the near future. 2. Approving Mr.Udomsak Chakreyavanich the Company's director to hold a position of a director in PAE (Thailand) Public Company Limited, a related company since the business of PAE is similar to that of STECON in order to comply with Section 86 of The Public Limited, a related company since the business of PAE is similar to that of STECON in order to comply with Section 86 of the Public Company Limited Act B.E.2535.