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

. Pinthong Industrial Estate (5thProject) 19. TFD I.E. (2ndProject) 20. Yamato industries I.E. 21. Smart Park I.E. 22. Asia Clean 23. Rojana Nongyai 24. Rojana Lamchabang 25. WHA Industrial Estate (Rayong) 26

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

1 FY20 MD&A Advanced Info Service Plc. Executive Summary Mobile business affected by weak economy and competition in data pricing Slowdown in economic and business activities had been observed

20230208-ADVANC-MDA-4Q22-EN Classification: Internal FY22 MD&A Advanced Info Service Plc. 1 Executive Summary Maintaining growth in core products amid cautious economic recovery 2022 displayed an

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

scheduled COD in 2022. The new advanced technology would be implemented to ensure the continuity in providing high-quality services to industrial clients. Green Financing of the Year Award from the Asset

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

date (COD) in 2022. The new advanced technology would be implemented to ensure the continuity in providing high- quality services to industrial clients. ABP1 (one of our qualified power plants), after

1 2Q21 MD&A Advanced Info Service Plc. Executive Summary Prolonged economic impact from new phase of pandemic in 2Q21 As the new phase of pandemic re-emerged in the second quarter, we observed the