Book Closing Date as of September 11, 2012
Name* Number of Shares % of Total Number of Shares
   Electricity Generating Authority of Thailand 133,773,662 25.41
   TEPDIA Generating B.V. 126,054,178 23.94
   Thai NVDR Company Limited 57,626,888 10.95
   Littledown Nominees Limited 31,921,628 6.06
   Bangkok Life Assurance Company Limited 10,206,200 1.94
   HSBC (SINGAPORE) NOMINEES PTE LTD 8,652,850 1.64
   State Street Bank Europe Limited 7,234,479 1.37
   Social Security Office (Two-Types) 6,387,300 1.21
   Bualuang Long-Term Equity Fund 6,203,500 1.18
   Bualuang Long-Term Equity Fund 75/25 6,033,500 1.15