20231030-ADVANC-MDA-3Q23-EN 3Q23 MD&A Advanced Info Service Plc. 1 Executive Summary 3Q23 illustrated AIS core business growth from quality focus despite low season challenges. 3Q23 Thai economy

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

20230807-ADVANC-MDA-2Q23-EN Classification: Internal 2Q23 MD&A Advanced Info Service Plc. 1 Executive Summary Core businesses growth from profitability focus amid economic uncertainties In 2Q23 Thai

ADVANC-MDA-1Q24-EN 1Q24 MD&A Advanced Info Service Plc. 1 Executive Summary Revenue base expansion from core business growth and acquisition of TTTBB 1Q24, Thai consumer confidence slightly improved

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

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

20230508-ADVANC-MDA-1Q23-EN Classification: Internal 1Q23 MD&A Advanced Info Service Plc. 1 Executive Summary Growing core businesses amid the cautious recovery of the Thai economy 1Q23 illustrated a

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