Ref: SCG-SET-05-017 May 19, 2005 Subject: To notify the connected transaction on land rental Attention: The President The Stock Exchange of Thailand Sahacogen (Chonburi) Public Company Limited is pleased to notify the connected transaction conducted at present according to the law, rules and regulations of the Securities Exchange Commission and the Stock Exchange of Thailand on the Disclosure of Information and Other Acts of Listed Companies concerning the Connected Transactions, 2004 as follows:- 1. The date of conducting the connected transaction: June 1, 2005 (the contract period is effective on June 1, 2005 to May 31, 2008) 2. The parties involved: Lessee Sahacogen (Chonburi) Public Company Limited Lesser Sinparadorn Company Limited Relationship Having the same the common shareholder and directors whose signature is binding upon the company 3. The general characteristics of the connected transaction: Sahacogen PCL makes a land rental agreement with Sinparadorn Company Limited to rent 4,800 square meters of the land beside the area of the deed no. 88060 at the monthly rental rate of 144,000.-Baht. 4. The total remunerative value: Sahacoen PCL pays monthly rent at 144,000.- Baht for 3 years effective on June 1, 2005, the total amount of is 5,184,000.- Baht (Five million one hundred and eighty-four thousand Baht only). 5. Rental Conditions: The rental rate charged by Sinparadorn Company Limited is at the market price charging in the Sriracha Saha Group Industrial Park. 6. Objectives of the connected transaction To replace the present entry and exit way To effectively control and manage the distribution system and security system 7. The details of the connected persons on the connected transaction: Names Position in SCG % Share held % Share held on on SCG Sinparadorn Mr. Boonsithi Chokwatana Director 1.72 30 Mr. Santi Vilassakdanont Director 0.00 10 8. The connected transaction and conditions of the transaction: Type of this connected transaction is the supports ordinary business with normal commercial terms. Please be informed accordingly. Yours sincerely, (Mr. Viroj Theeravatvatee) Managing Director