Management Discussion & Analysis Q2/2021 Overall operating results of the Company in Q2/2021 Q2/20 Q2/21 Change +/(-) 1H/20 1H/21 Change +/(-) (THB million) %YoY %YoY Operating Revenue 144 137 (5%) 363 317 (13

paid for business acquisition 3,438 Total 38,295 Total 38,295 6 2Q18 MD&A Advanced Info Service Plc. 2018 MANAGEMENT OUTLOOK & STRATEGY Core service revenue • +5-7% YoY (revised from +7-8% YoY) SIM

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

1EBITDA Margin and Net Profit Margin are calculated from Total Revenue Financial Performance Management Discussion & Analysis Q1/2023 Executive Summary Significant Events Expansion of “Luggaw” and Mikka

: Stable S&P BBB+, Outlook: Stable 6 FY18 MD&A Advanced Info Service Plc. 2019 MANAGEMENT OUTLOOK & STRATEGY Core service revenue  Mid-single digit growth (Pre TFRS 15) Consolidated EBITDA margin  Stable

are calculated from Total Revenue 1 Financial PerformanceExecutive Summary Significant Events Management Discussion & Analysis Q1/2022 2 Expanding to Overseas Market • On January 25, 2022, the Company

) (0.82%) Service 86.31 0.83% 102.68 0.96% 16.37 18.97% Revenue from Sales and Services 10,336.49 100.00% 10,720.67 100.00% 384.18 3.72% (Unit : Million Baht) (Unit : Million Baht) Page 4 of 10 Management

balance 9 Total 22,011 Total 22,011 1Q17 MD&A Advanced Info Service Plc. 6 2017 MANAGEMENT OUTLOOK & STRATEGY (maintained) Service revenue (excluding IC)  increase 4-5% YoY Handset sales Consolidated

% 9.88 0.28% (1.75) (15.06%) Total comprehensive income for the period 47.16 1.36% 56.45 1.58% 9.29 19.69% Page 2 of 9 Management Discussion & Analysis Q1/2024 Revenue from sales and services At the end of

% 6% 14% 16% 2% * Exclude depreciation and amortization expenses Management Discussion & Analysis (MD&A) Q3/2017 Management Discussion & Analysis The company’s operating revenue in Q3/2017 was Baht