Discussion and Analysis of Financial Condition and Results of Operations for the year 2556 Translation UWC 031/2560 August 10, 2017 Subject : Management Discussion and Analysis for quarter 2-2017 To

Discussion and Analysis of Financial Condition and Results of Operations for the year 2556 1 Translation UWC 023/2562 August 16, 2019 Subject : Management Discussion and Analysis for quarter 2-2019

Discussion and Analysis of Financial Condition and Results of Operations for the year 2556 Translation UWC 028/2018 August 10, 2018 Subject : Management Discussion and Analysis for quarter 2-2018 To

1 2017 MD&A Advanced Info Service Plc. Executive Summary In 2017, mobile business improved from stronger 4G positioning amidst competitive environment. Competitive landscape remained challenging in

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 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

1Q22 MD&A Advanced Info Service Plc. Executive Summary Prolonged economic impact from Omicron outbreak and rising inflation in 1Q22 In 1Q22, Thailand’s economic recovery was challenged as private

operations. 9 FY20 MD&A 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 3Q20 4Q20 %QoQ FY20

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