-Translation- AIS-CP 007/2007 February 23, 2007 Subject: Notification of the connected transaction in relation to a computer service system (SAP) To: The President The Stock Exchange of Thailand Advanced Info Service Public Company Limited (the Company) would like to inform you that the Company and its subsidiaries have entered into the following a computer service system agreement as follows: Date of Transaction: For the 2007 Parties involved: Employer: The Company and its subsidiaries Contractor: I.T. Applications Services Company Limited (ITAS) Relationship: The Company is 42.78% owned by Shin Corporation Public Company Limited (SHIN) and ITAS is 99.99% owned by SHIN. General Characteristics of the Transaction: ITAS will provide service regarding a computer system to the Company and its subsidiaries. The details are as follows: 1. Maintenance services for hardware and software. 2. Helpdesk service for SAP user. 3. Supervise for auto budget system. Value of the Transaction: Totaling fees of Baht 49.37 million per year. The Basis Used to Determine the Value: The fee of charge is based on comparative rates of other contractors, which service the same characteristics of ITAS. Connected Transaction and its Condition: Entering into a computer service agreement of the Company and its subsidiaries is considered to be a connected transaction of listed companies, as prescribed in the Notification of the Stock Exchange of Thailand (SET) regulations regarding rules, procedures and disclosure of connected transactions of listed companies in a category of supporting normal business transaction. The size of the transaction is over 0.03% but less than 3.00% of net tangible assets as of December 31, 2006, thus requiring the Company to report the transaction to SET. Please be informed accordingly. Yours sincerely, -Signed- (Somprasong Boonyachai, Mr.) Director Advanced Info Service Public Company Limited