Page 1 of 1 [Translation] Ref. PDI/BK-BS-016/2009 2 March 2009 To: President The Stock Exchange of Thailand Re: Clarification on the company's performance results in 2008 Enclosed are the copies of PDI's audited financial statements and consolidated financial statements for the year ended 31 December 2008 in both Thai and English version. The Company achieved a net consolidated profit for financial year 2008 of 265 MB as compared to 930 MB in 2007. Net Earnings per share are 1.17 Baht as compared to 4.12 Baht in 2007. The total revenue from sales and services amounted to 8,142 MB, a decrease of 3,930 MB or a 33% decrease from last year. The decrease in net profit was largely due to the zinc price decrease through the year from the average of 3,242 USD/ton in 2007 to the average of 1,875 USD/ton for year 2008. The economic downturn in the 2nd half of the year also led to less domestic sales which affects the profit margin especially in the fourth quarter. Please be informed accordingly. Yours truly, - Signature - (Mr. Surin Tanticharoenkiat) Company Secretary Board Secretary Division Tel. 0 2695 9499 Ext. 9335 Fax. 0 2695 9493