-Translation - AIS-CP 115/2005 September 12, 2005 Re: The Resolution of Debenture holders'Meeting Regarding an Amendment the Terms and Conditions of the Company's Debentures and the Date of Debenture holders' Meeting of AIS073A To: The President The Stock Exchange of Thailand We would like to inform you that Advanced Info Service Public Company Limited ("the Company") held the debenture holders' meeting on September 12, 2005, at 14.30 in the Grand Ballroom, Four Seasons Hotel, Bangkok. The Company seeks approval at the debenture holders' meeting to amend terms and conditions of the dividend covenant of the Company's debentures in order to increase the flexibility in dividend payments. The details are as follow: 1. Amortizing Debentures of Advanced Info Service Plc. No. 1/2001, due 2006 (AIS063A) 2. Debentures of Advanced Info Service Plc. No. 3/2001, due 2006 (AIS06NA) 3. Debentures of Advanced Info Service Plc. No. 1/2002, due 2009 (AIS093A) 4. Amortizing Debentures of Advanced Info Service Plc. No. 2/2002, due 2009 (AIS093B) 5. Debentures of Advanced Info Service Plc. No. 3/2002, due 2007 (AIS073A) 6. Amortizing Debentures of Advanced Info Service Plc. No. 4/2002, due 2007 (AIS07OA) The debenture holders of AIS063A, AIS06NA, AIS093A, AIS093B, and AIS07OA resolved to give approval for the Company to pay dividends to shareholders over 40% of net profit, on the condition that the Company must receive at least an "AA" rating from a credit rating agency that has been approved by the Office of the Securities and Exchange Commission. This rating must be received within a period of 45 days before the approval of the dividend payment by the board of directors. In the event that the Company is in default of principal or interest payment under the debentures in any installment, the Company shall not pay dividends in any form whatsoever to the shareholders of the Company. However, since the quorum of AIS073A was not complete; the Chairman of meeting announced that the new debenture holders' meeting of AIS073A will be arranged on September 22, 2005, at 14.30 in the Auditorium, Shinawatra Tower 1, 19th Floor, Phaholyothin Road, Bangkok. Please be informed accordingly. Yours sincerely, (Signed) Somprasong Boonyachai (Mr.) Director Advanced Info Service Public company Limited