Additional notification the amalgamation of subsidiaries

March 26, 2008 Attention: The President, The Stock Exchange of Thailand Re: Additional Notification of the Amalgamation between Royal Princess PCL and Dusit Hotels and Resorts Co., Ltd. Dear Madam, Reference is made to the Notification dated March 25, 2008 from Dusit Thani PCL (the "Company") to the Stock Exchange of Thailand regarding the amalgamation between Royal Princess P and Dusit Hotels and Resorts Co., Ltd. whereby Company has approved that its subsidiary company, Dusit Thani Property Co., Ltd., shall purchase the shares from any minority shareholders who obstructs such amalgamation. Company would like to provide additional information of the value of such transaction calculated under assumption that all minority shareholders obstruct amalgamation and sell shares to Dusit Thani Property Co., Ltd. as follows: Calculation of the Value of the Transaction (Unit: Million Baht) 1. Net Tangible Assets Basis (NTA) (as of December 31, 2007) 34 Royal Princess PCL = 0.90 % ( portioned to minority shareholders ) 3,766 9 Dusit Hotels and Resorts Co., Ltd. = 0.24 % ( portioned to minority shareholders ) 3,766 1 2. Net Profit Basis (For Year 2007) Net Profit of Royal Princess PCL ( portioned to minority shareholders ) 3.2 = 2.62 % 122 Net Profit of Dusit Hotels and Resorts Co., Ltd. can not be calculated due to the loss of the operation of Dusit Hotels and Resorts Co., Ltd. 3. Total Value of Remuneration 58 Shares of Royal Princess PCL = 0.89 % 6,515 14 Shares of Dusit Hotels and Resorts Co., Ltd. = 0.21 % 6,515 4. The value of securities - can not be calculated because no security is issued to pay for assets. According to above calculation, neither item is higher than 15% nor be connected transaction under the Regulation of the Stock Exchange of Thailand. Please be informed accordingly. Sincerely yours, Dusit Thani PCL Mr. Chanin Donavanik Managing Director 2