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

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

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

Microsoft Word - FY19 MDA edited after comment.docx 1 FY19 MD&A Advanced Info Service Plc. Executive Summary Mobile business grew amid competition In FY19, despite slow economic growth and continued

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

through Tender Offer Process Referring to the Conditional and Non-Binding Letter of Intent dated 5 September 2017 submitted by Advanced Info Service Public Company Limited (the “Company”), for the

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