21 November 2006

Clarify to the company results

Subject : Clarify to the company results To : President of the Stock Exchange of Thailand CC : Secretary-General of the Securities and Exchange Commission Further to the new clippings regarding the company net profit which were in the today newspaper dated 20 November 2006 and 21 November 2006, we would like to clarify this matter as follow: The management informed the company operating result in 3Q/49 to investors, analysts and the presses in the Opportunity Days held at SET on 20 November 2006. As having asked regarding the operating result in 3Q/49 by the interested people, our management informed that the company operating result is likely to be in line with last year operating result. Furthermore, the management had also informed the net profit in the transformer's industry that this was the made-to-order business; therefore, the average of gross profit margin of this industry was not high. When comparing with the average global profit margin will fall at 5% as the percent of sales. Therefore, the company has the target to be achieved on average margin of this industry. Please be informed accordingly. Yours Faithfully, (Mr.Upakrom Thaweephoke) Deputy Managing Director (Finance and Marketing)