Comments on: “Trading costs on the Stock Exchange of Thailand” Authors: Charoenwong C., Ding D.K., Jenwittayaroje N. Comments on: “Risk-taking behaviour during downturn: evidence of loss-chasing and

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

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

FY21 MD&A Advanced Info Service Plc. Executive Summary Maintained leadership in mobile business The COVID-19 has induced an economic slowdown and limited business activities, affecting weak consumer

Thailand Advance Info Service Public Company Limited (AIS) would like to inform the spectrum auction result participated by Advanced Wireless Network Co.,Ltd. (AWN), a 99% subsidiary of the Company, on 16

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

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 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

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