May 14, 2010 Subject: Operating Results for 1st Quarter 2010 Attention : Director and Manager of Stock Exchange of Thailand Tirathai Public Company Limited and its subsidiaries have already reviewed its audited financial statement for the first quarter end 31 March 2010. The Company has net profit of 76.89 million Baht, decreased from last year 11.81 million Baht or representing 13.31% and would like to clarify as follows: 1. The Company has the revenue from sales equivalent to 405.85 million Baht, decreased from last year 239.51 million Baht or 37.11%. 2. The Company has the revenue from services equivalent to 31.66 million Baht, increased from last year 15.91 million Baht or 101.02%. 3. Gross profit margin from sales is at 31.19% increased from last year 6.23% due to cost effective management. 4. Gross profit margin from services is at 82.65% increased from last year 2.59% due to cost effective management. 5. The Company has the administrative expenses to 35.17 million Baht, decreased from last year 7.35 million Baht or 17.28% decrease as a result of decrease in volume of revenues with well expenses control. Please be informed accordingly. (Mr.Upakrom Thaweephoke) Executive Committee and Company Secretary