August 10,2007 Subject: Clarify effect of change in accounting policy Attention : The President of the Stock Exchange of Thailand Beginning the 1st quarter of 2007, the Company had changed its accounting policy for its investments in subsidiaries in the separate financial statements from the equity method to the cost method in accordance with the Accounting Standard No.44 Consolidated and Separate Financial Statements (revised 2007). The change in accounting policy is recorded retrospectively to the years in which the investments were made and had also recorded the allowance for impairment of the investments, resulted the net zero effect to the deficit beginning of year 2007 and 2006, the investments in subsidiaries-net as of December 31,2006, the net profit (loss) for the three-month and six-month periods ended June 30, 2007 and 2006. The above change in accounting policy had no effect on the consolidated financial statements of Tirathai Public Company Limited and its subsidiaries and had no effect on the policy of dividend payment, which has been determined and disclosed. Please be informed accordingly. (Mr.Upakrom Thaweephoke) Deputy MD(Finance&Marketing)