subsidiaries for the three- month period ended March 31, 2020. The Company would like to clarify on the operating results as follows: Revenue • For Q1/ 2020, total consolidated revenues advanced to Baht 424.91

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 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

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

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

accelerated spending in the first half of fiscal year. The situation is expected to benefit the company from economic recovery and private investment. In terms of total operating expenses, it usually varies

emergency declared in all areas of the Kingdom of Thailand dated 25 March 2020, and according to Section 9 of the Emergency Decree on Public Administration in Emergency Situation, B.E. 2548 (No.1) and Bangkok

1 1Q21 MD&A Advanced Info Service Plc. Executive Summary Mobile revenue slightly recovered QoQ following strong acquisition and government stimulus In late 4Q20, the new phase of outbreak had re

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

a decrease of 6.78% when compared to the previous quarter and decrease 6.19% when compared to the same period of last year. Due to fluctuated situation of raw material price which effected to our