Page 1 of 11 No. RJH – SET 4/2018 26 February 2018 Subject : Resolutions of the Board of Directors’ Meeting on acquisition of additional shares in the subsidiaries, dividend payment, and schedule of

1 3Q20 MD&A Advanced Info Service Plc. Executive Summary Continued economic impact on mobile business despite improved pandemic situation in Thailand With well-managed pandemic situation, domestic

Securities and Exchange Commission Notification of the Office of the Securities and Exchange Commission No. OrNor. 3/2544 Re: Registration of Persons Qualified to Be a Mutual Fund Supervisor

. The SEC, Thailand cannot undertake any responsibility for its accuracy, nor be held liable for any loss of damages arising from or related to its use. PAGE (Translation) 2 The Securities and Exchange

. The SEC, Thailand cannot undertake any responsibility for its accuracy, nor be held liable for any loss of damages arising from or related to its use. The Securities and Exchange Commission Notification

, Thailand cannot undertake any responsibility for its accuracy, nor be held liable for any loss of damages arising from or related to its use. The Securities and Exchange Commission Notification of the

No. Kor Bor Ror. 026/2018 March 6, 2019 President The Stock Exchange of Thailand Sub : Dividend payments, connected transaction, the shareholders’ meeting date, and the dissemination of the meeting

Stock Exchange of Thailand within 21 day. Subject : Information Disclosure and Execution of Listed Company due to Acquisition or Disposal of Assets B.E.2547 “Notification on information Disclosure and

Assets. As a result, the Company is required to disclose the information memorandum on entering into such transaction to the Stock Exchange of Thailand (the “SET”) and to send a circular letter to the

Board No. Tor Chor. 21/2551, regarding rules on connected transactions provided as transactions relating to assets and services, and the Notification of The Board of Governors of The Stock Exchange of