1 2Q19 MD&A Advanced Info Service Plc. Executive Summary Competition in mobile saw an improvement In 2Q19 the price competition in mobile industry had improved with fixed speed unlimited data pricing

1 1Q19 MD&A Advanced Info Service Plc. Executive Summary Mobile growth remained soft from ongoing price competition Overall mobile market in 1Q19 reflected industry's effort in gradually

cities while continued to improve operational efficiency to better target valued customers. 2 3Q18 MD&A Advanced Info Service Plc. Mobile Business 3Q17 4Q17 1Q18 2Q18 3Q18 Subscribers Postpaid 7,226,800

1 3Q17 MD&A Advanced Info Service Plc. Executive Summary AIS continued revenue growth momentum in 3Q17, attributed to both mobile and fixed broadband businesses. 3Q17 service revenue (excluding IC

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

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Advanced Info Service Plc. Appendix Contact us: http://investor.ais.co.th | investor@ais.co.th | (66) 2 029 4443 Income statement (Bt mn) Post TFRS 16 1Q20 2Q20 %QoQ 1H20 Mobile revenue 30,334 29,536 -2.6

looking to switch service providers. This has resulted in a decrease in the industry’s ARPU. 1Q22 MD&A Advanced Info Service Plc. 1Q22 Operational summary In 1Q22, total mobile subscribers continued to

1 FY18 MD&A Advanced Info Service Plc. Executive Summary Maintained leadership in mobile business In FY18 competition in mobile industry remained elevated particularly on data pricing with fixed

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