[Translation] Ref. PDI/BK-BS-046/2007 16 May 2007 To : President The Stock Exchange of Thailand Re: Notification of the change in the accounting method In 2006, the Company early adopted TAS 44 (as amended in 2006) - "Consolidated Financial Statements and Accounting for Investments in Subsidiaries" and TAS 45 (as amended in 2006) - "Accounting for Investments in Associates" in accordance with the Federation of Accounting Professions Notification No. 26/2549 dated 11 October 2006 and Notification No. 32/2549 dated 3 November 2006 that were effective on 1 January 2007. Under the standards, investments in subsidiaries and associates in the separate financial statements of the company are required to be accounted using the cost basis of accounting. Income from the investments will be recorded when dividends are declared. Prior to 2006, the Company used the equity method to record its share of income from the investments in subsidiaries. This change in accounting policy has been applied retrospectively and has also been applied to the company's investments in jointly controlled entities. The effects of the adoption of TAS 44 and TAS 45 on the statement of income for the three months period ended 31 March 2006 in the company financial statements are as shown below; (Decrease) in investment in subsidiaries and jointly controlled entity (130,137,280) (Decrease) in beginning retained earnings (131,333,207) Increase in net profit for the period 1,195,927 Increase in basic earnings per share 0.01 However, the change of accounting policy affects only the Company financial Statements. It did not have any effect on the consolidated financial statements or business fundamentals. Please be informed accordingly. Yours truly - Signature - (Mr. Surin Tanticharoenkiat) Board Secretary Board Secretary Division Tel. 0 2661 9900 Ext. 1402 Fax. 0 2661 9946