ที่ ITV / 2545 - Translation - AIS-CP 015/2020 18 June 2020 Subject: Establishment of new joint venture and subsidiary company To: President The Stock Exchange of Thailand Advanced Info Service Plc

e-service Online Submission See canceled document Investment Advisory >> Licensing/Ministerial Regulation   Type Title Section See Document Status Notified Date Effective Date 1. Act   Securities and

3Q21 MD&A Advanced Info Service Plc. Executive Summary Slight revenue improvement despite COVID restriction measures and continued competition During 3Q21, the economy remained subdue from COVID

1 2Q20 MD&A Advanced Info Service Plc. Executive Summary 2Q20 reflected the full effect of COVID-19 The effect from COVID-19 pandemic which had begun since Feb- 20 continued to fully develop in 2Q20

e-service Online Submission Bond Dealer and Underwriter >>   Type Title Section See document Status Notified Date Effective Date 1. Notification of the Securities and Exchange Commission   14/2545

e-service Online Submission Limited BDU >>   Type Title Section See document Status Notified Date Effective Date 1. Ministerial regulations    23/01/2004 2. Notification of the Securities and Exchange

e-service Online Submission Securities Brokerage Business >>   Type Title Section See document Status Notified Date Effective Date 1. Ministerial regulations   5/2539    18/01/1996 2. Notification of

e-service Online Submission Securities Underwriter Business >>   Type Title Section See document Status Notified Date Effective Date 1. Ministerial regulations   5/2539    18/01/1996 2. Notification

e-service Online Submission Securities Dealer Business >>   Type Title Section See document Status Notified Date Effective Date 1. Ministerial regulations   5/2539    18/01/1996 2. Notification of the

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