-Translation - AIS-CP 065/2005 June 13, 2005 Re: The change of a debentureholders' representative To: The President The Stock Exchange of Thailand Advanced Info Service Public company Limited ("the Company") would like to inform you that the debentureholders have resolved to change a debentureholders' representative of the debentures of the Company to be the Siam Commercial Bank Public Company Limited and became effective on June 3, 2005, the details are as follows: 1. 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. 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) Please be informed accordingly. Sincerely Yours, (Signed) Mr. Pong-Amorn Nimpoonsawat Chief Finance Officer Advanced Info Service Public company Limited