Acquisition of Shares in Amata (Vietnam)

001/127/2005 September 15, 2005 President The Stock Exchange of Thailand 62 Ratchadapisek Road, Klongtoei, Bangkok 10110 Dear Sir, Re. : Acquisition of Shares in Amata (Vietnam) The Board of Directors of Amata Corporation Public Company Limited at the meeting No. 4/2005 held on September 15, 2005 approved the purchase of shares in Amata (Vietnam) Co., Ltd. The details are as follows :- 1.The date on which the transaction occurred : About October 2005 2.The parties involved Name Relationship Buyer : Amata Corporation PCL : Listed Company Seller: Gypsum International Co., Ltd. : No relation with listed company through the Receiver, Ministry of Justice 3.General characteristic of the transaction - Type of the transaction : Not a connected transaction or an acquisition of assets - Size of the transaction : 0.17% of NTA - Criteria of evaluating the size : Net total asset value 4.Details of assets of the transaction - Issuer : Amata (Vietnam) Co.,Ltd. - Business type : Developer industrial estate - Register capital (In Amata (Vietnam ), : US$ 17 Million there is no par value and number of shares) - Paid up capital : US$ 17 Million - No. of shares purchased (Purchase all : 0.70% of registered capital shares owned by Gypsum International) - Percentage before the purchase : 60.08% - Percentage after the purchase : 60.78% - Director of Amata (Vietnam) 1. Mr. Vikrom Kromadit 2. Mr. Chira Panupong 3. Mr. Vu Ngoc Tuy 4. Mr. Thomas H. Reese III 5. Mr. Sombath Phanichewa 6. Mr. Huynh Ngoc Phien 7. Ms. Nguyen Mai Anh 8. Mr. Charles Lewis Sims 9. Mr. Nguyen Van Tuan 10. Mr. Boonsithi Chokwatana - Major shareholders of Amata (Vietnam) Name % of Shareholder Amata Corporation PCL. : 60.08% Sonadezi (Bien Hoa) : 30.00% 5.Total value of the consideration (Amount : Baht 1,200,000 paid by Amata to purchase all shares) 6.Total value of assets (Amount invested in : US$ 120,000 Amata (Vietnam) by Gypsum International) 7.Criteria used in fixing the purchase amount : Under negotiation between Buyer and Seller 8.Expected benefit to the listed company : Dividend 9.Source of fund : Working capital For your information. Yours sincerely, AMATA CORPORATION PUBLIC COMPANY LIMITED Pol.Gen.Chavalit Yodmani CHAIRMAN