-Translation- AIS-CP 051/2007 May 11, 2007 Subject: Notification of the Resolutions of Board of Directors' Meeting No. 4/2007 of Advanced Info Service Plc ("the Company") To: The President The Stock Exchange of Thailand We would like to inform you that Board of Directors' Meeting of the Company No. 4/2007 held on May 11, 2007 has resolved the following matters: 1. Certified the Minutes of Board of Directors' Meeting No. 3/2007 held on March 22, 2007; 2. Approved the Balance Sheets, Statement of Income and Cash Flow Statements for the first quarter of 2007 ended March 31, 2007; 3. Acknowledged the resignation of two directors; Mr. Boonklee Plangsiri and Mrs. Siripen Sitasuwan and approved the appointment of new directors which endorsed by the Nomination Committee; 1) Mr. Vikrom Sripataks to be the director of the Company, replacing Mr. Boonklee Plangsiri 2) Ms. Nidchanun Santhaveesuk to be the director of the Company, replacing Mrs. Siripen Sitasuwan Become effective since May 11, 2007 onwards. The Company's Board of Directors will be composed of the following members: 1) Dr.Paiboon Limpaphayom Chairman of the Board of Directors and Independent Director 2) Mr.Aviruth Wongbuddhapitak Chairman of the Audit Committee and Independent Director 3) Mrs.Tassanee Manorot Audit Committee and Independent Director 4) Mr. Surasak Vajasit Audit Committee and Independent Director 5) Mr. Suphadej Poonpipat Director 6) Mr. Vasukree Klapairee Director 7) Mr. Allen Lew Yoong Keong Director 8) Ms. Koh Kah Sek Director 9) Mr. Somprasong Boonyachai Director 10) Mr. Vikrom Sripataks Director 11) Ms. Nidchanun Santhaveesuk Director 4. Approved the amendment to the Company's authorized signatories to be as follows: From: "Mr. Boonklee Plangsiri, Mr. Somprasong Boonyachai, and Mrs. Siripen Sitasuwan any two of these three directors jointly sign with the Company's seal affixed." To: "Mr. Somprasong Boonyachai, Mr. Vikrom Sripataks, and Ms. Nidchanun Santhaveesuk any two of these three directors jointly sign with the Company's seal affixed." 5. Approved the appointment of Mr.Vikrom Sripataks and Ms.Nidchanun Santhaveesuk to be the Member of the Executive Committee of the Company, effective since May 11, 2007 onwards. The Company's Executive Committee will be composed of the following members: 1) Mr.Somprasong Boonyachai Chairman of the Executive Committee 2) Mr.Allen Lew Yoong Keong Vice Chairman of the Executive Committee 3) Dr.Dumrong Kasemset Member of the Executive Committee 4) Mr.Vikrom Sripataks Member of the Executive Committee 5) Ms.Nidchanun Santhaveesuk Member of the Executive Committee Besides approved the appointment of Mr. Somprasong Boonyachai to be the Member of Remuneration Committee and Nomination Committee, replacing Mr. Boonklee Plangsiri who resigned from such positions, effective since May 11, 2007 onwards. The Company's Remuneration Committee will be composed of the following members: 1) Dr. Paiboon Limpaphayom Chairman of the Remuneration Committee 2) Mr. Aviruth Wongbuddhapitak Member of the Remuneration Committee 3) Mr. Somprasong Boonyachai Member of the Remuneration Committee The Company's Nomination Committee will be composed of the following members: 1) Dr. Paiboon Limpaphayom Chairman of the Nomination Committee 2) Mr. Surasak Vajasit Member of the Nomination Committee 3) Mr. Somprasong Boonyachai Member of the Nomination Committee 6. Approved the amendment to the Company's corporate governance policy to be more in line with international practices by setting that an independent director shall not serve for more than 3 consecutive terms; 7. Approved the investment of Bridge Mobile Pte Ltd.- Singapore which is joint force mobile operators in Asia and Pacific region in 10 countries to provide international roaming. The Company will invest 2 million shares or 10% stake of such company, approximately investment 2.7 million USD; 8. Approved setting up a new subsidiary namely "Wireless Device Supply Co., Ltd.", which the Company will hold 100% of registered capital at 50 million Baht. Wireless Device Supply Company Limited will acquire trading business - handset business, SIM card sales, and Refill card distribution - done by the Company's subsidiary namely Digital Phone Co., Ltd. at net book value of fix assets and inventories plus margin which is comparable market price, approximately 1,220 million Baht (latest net book value plus margin 5%); 9. Approved winding up a subsidiary of the Company namely Data Line Thai Co., Ltd. ("DLT") which the Company holds 65% of registered capital at 15 million Baht because DLT is an internet service provider that is not the core business of the Company; 10. Approved a capital expenditure of 111.41 million USD for expansion of the GSM network Phase 18A in order to improve the traffic and signalling efficiency and increase the service capacity for the Company's subscribers and new services. Provide that, the above approvals for investments are considered that not enter into the connected transaction and acquisition or disposition of assets specified by the Rules and Regulation of the Stock Exchange of Thailand. Yours faithfully, -Signed- Somprasong Boonyachai (Mr.) Director Advanced Info Service Plc