AIS-CP 035/2006 March 2, 2006 Re: Notification on the amendments of form 250-2 of Advanced Public Company Limited To: Shareholders, Advanced Info Service Public Company Limited ("the Company" or AIS) would like to amend the item 3.1 and 3.2 on page 5 and 6 of Opinion of the Company on the Tender Offer (Form 250-2) as the following details. Please be informed accordingly. Yours Sincerely, _________________________ ______________________ (Mr. Somprasong Boonyachai) (Mrs. Siripen Sitasuwan) Director Director __________________________________ The amendments of item 3.1 and 3.2 on page 5 and 6 respectively are shown below; 3.1 Relationships between the Company's Directors and the Offerors in a matter of directorship * As at January 25, 2006, Mr. Boonklee Plangsiri, a director of the Company, is a director of Shin Corporation Public Company Limited ("SHIN") (7) * As at January 25, 2006, Mrs. Siripen Sitasuwan, a director of the Company, is a director of SHIN (7) * As at January 25, 2006, Mr. Boonchoo Direksathapon , a director of the Company, is a director of SCB Asset Management Co.,Ltd, which is a wholly-owned subsidiary of Siam Commercial Bank Public Company Limited ("SCB"").SCB is the holder of 3,960,000 shares or equivalent to 9.9 per cent of registered capital of Cedar, which is one of the Offerors. 3.2 Relationships, either direct or indirect, between the Company's Directors and the Offerors in a matter of shareholding * As at January 25, 2006, Mr. Supadej Poonpipat, a director of the Company, holds 2,000 shares (A) or equivalent to 20 per cent of Kularb Kaew. * As at January 25, 2006, Mr. Boonklee Plangsiri, a director of the Company, holds 1,342,000 shares or equivalent to 0.04474 per cent of SHIN (7) * As at January 25, 2006, Mrs. Siripen Sitasuwan, a director of the Company, holds 1,073,065 shares or equivalent to 0.03577 per cent of SHIN (7) * As at January 25, 2006, Mr. Somprasong Boonyachai, a director of the Company, holds 36 shares or equivalent to 0.000001 per cent of SHIN (7) (A) As at February 10, 2006, Kularb Kaew was increased its registered capital from 10,000 shares to 16,440,000 shares and Mr. Supadej Poonpipat, a director of the Company, holds 3,288,000 shares or equivalent to 20 per cent of Kularb Kaew. Kularb Kaew is a holder of 16,440,000 shares or equivalent to 41.10 per cent of registered capital of Cedar, which is one of the Offerors. (7) In which the Offerors are major shareholders, holding 1,487,740,120 shares or equivalent to 49.59 per cent of SHIN as at January 23, 2006 (8) Directors who have vested interests abstained from voting