Date : 04/06/2003 13:35 ADVANC : ADVANC : THE RESULT ON EXERCISE OF ESOP GRANT I, MAY 2003 -Translation- AIS. 0148 /2003 June 4, 2003 Subject: Report on the results of the exercise of warrants (ESOP Grant 1) in May 2003 To: President The Stock Exchange of Thailand Whereas Advanced Info Service Public Company Limited ("the Company") issued and offered 14,000,000 units of warrants to purchase the Company's ordinary shares to directors, employees, and advisors of the Company (ESOP Grant 1) on March 27, 2002 at the price Baht 0. The exercise date will be made within the last five business days of every month between 09.00 a.m.and 4.00 p.m., the first exercise date was between March 27 - 31, 2003. The details of terms and conditions of warrants are as follows; Exercise Ratio and Exercise Price : Exercise Ratio : 1 warrant per 1 ordinary share Exercise Price : Baht 48 per share. Maturity of warrants : 5 years from the first date of the issuance and offering of warrants. Number of ordinary shares : 14,000,000 shares. reserved for warrants The Company would like to report the results of the exercise of warrants (ESOP Grant 1) between May 26 - 30, 2003, as follows; The number of exercised warrants : 120,000 units The number of remaining unexercised warrants : 13,880,000 units Please be informed accordingly. Yours sincerely, -Signed- Mr. Somprasong Boonyachai Director Advanced Info Service Public Company Limited Compliance Department Tel. 0-2299-5561