-Translation- AIS-CP 077/2005 August 2, 2005 Subject: Report on the results of the exercise of warrants (ESOP Grant I, II, III) in July 2005. To: The President The Stock Exchange of Thailand Advanced Info Service Public Company Limited ("the Company") issued and offered the warrants to purchase the Company's ordinary shares to directors and employees of the Company (ESOP). The details of Warrants are as follows: Details of ESOP Grant I Grant II Grant III The number of warrants (units) 14,000,000 8,467,200 8,999,500 Issuing Date March 27,2002 May 30,2003 May 31,2004 Exercise Price (Baht/Share) 46.780 42.302 90.637 Exercise Ratio 1:1.02549 1:1.02549 1:1.01272 (warrant:common share) Maturity of Warrants 5 years from the issuing date The Company would like to report the results of the exercise of warrants (ESOP Grant I, II, III) in July 2005, as follows: Outstanding of ESOP Grant I Grant II Grant III No. of exercised 362,400 224,000 20,500 warrants in this month (units) No. of remaining 3,698,300 5,267,300 8,951,000 unexercised warrants (units) No. of shares derived 371,632 229,706 20,760 from this exercise (shares) No. of remaining shares 3,892,789 5,509,744 9,100,385 reserved for warrants (shares) Please be informed accordingly. Yours sincerely, -Signed- Mr. Somprasong Boonyachai Director Advanced Info Service Public Company Limited