(Translation) RH 207 / 2010 May 13, 2010 stSubject : Report on operating result for the 1 quarter of 2010 ended March 31, 2010 and change in operating result of more than 20% from the year 2009 To: President The Stock Exchange of Thailand Reference : The Stock Exchange of Thailand’s regulation on preparation and submission of financial statements and transactions relating to financial status and operating results of listed company - year 2001. Attachment : Interim Financial Statements of Ratchaburi Electricity Generating Holding Public Company Limited and its subsidiaries for the three-month period ended March 31, 2010, including 1 copy of English version. Regarding to the reference, Ratchaburi Electricity Generating Holding Public Company Limited (“the Company”) is pleased to submit herewith the interim financial statements for the three- month period ended March 31, 2010, of which the operating result has changed more than 20 percent from the corresponding period in the year 2009. The operating performance according to the interim consolidated financial statements of the stCompany and its subsidiaries for the 1 quarter of 2010 ended March 31, 2010 showed the net profit of Baht 1,457.27 million or Baht 1.01 per share, decreasing by Baht 386.01 million or 20.94 percent compared to the stnet profit of Baht 1,843.28 million or Baht 1.27 per share of the 1 quarter of 2009. The main reasons were as follows: 1. Revenue from sale stRevenue ...