-Translation- AIS-CP 100/2004 August 13, 2004 Subject: Notification of the Resolutions of the Board of Directors' Meeting in relation to dividends payment and additional capital expenditures To: The President The Stock Exchange of Thailand The Board of Directors' Meeting of Advanced Info Service Public Company Limited (the "Company") No. 4/2004 held on August 13,2004 has resolved on the following matters: 1. Certified the Minutes of the Board of Directors' Meeting No.3/2004 held on May 11, 2004. 2. Approved the Balance Sheets, Statement of Income, and Cash Flow Statements for the second quarter of the year 2004 ended June 30,2004. 3. Approved the dividend payment for the first half of year 2004 (January 1 June 30, 2004) to shareholders at the rate of 2.15 Baht per share, totaling 6,324.76 million Baht. The dividends will be paid for the amount of 2,941,748,708 shares, which are deducted the treasury stocks of 2,540,200 shares. The treasury stock is not be eligible for dividend payment. The closing date of register book to designate the right of shareholders to receive dividends will be on August 30, 2004, at 12.00 noon. The date of payment is fixed on September 9,2004, 4. Approved the additional budget allocation for Coverage Improvement and Value-added service infrastructure, at the total amount of USD 38.36 million for second half of year 2004. These improvement plans will increase the capacity of service to the Company's subscribers. Please be informed accordingly. Yours sincerely, -Signed- Mr.Somprasong Boonyachai Director Advanced Info Service Public Company Limited