our new and existing customers. Unit : million Baht Jan - Sept 2020 % Jan - Sept 2019 % Change %YoY Sales and Services Revenues 382.82 99.4 250.79 99.6 132.03 52.6 Other income 2.33 0.6 0.94 0.4 1.39

Balance by Quarter Change Topic Q1-23 Q4-22 Q1-22 Q1-23 VS Q4-22 Q1-23 VS Q1-22 (Million Baht: MB) (MB) % (MB) % Total revenue 1,296.7 1,729.1 1,399.2 (432.4) (25.0) (102.5) (7.3) Total operating expenses

enhanced to 28% 9M'2016 9M'2017 % change million Baht million Baht y-on-y Sales and service income 20,691 23,720 14.6% EBITDA 5,679 6,626 16.7% Net profit 2,473 2,823 14.1% Normalized net profit (NNP)* 1,966

, the newly-issued shares which the Company will allocate to accommodate the investment in the ordinary shares of KPN Academy to the Existing Shareholders may change, depending upon the market price of

voluntary tender offer for the entire securities of PB. (5) Purpose of transaction : To reduce its investment proportion in non-core business, as well as to receive capital gain on the sale of shares. (6

the charity education project. Furthermore, the Company wants to reduce investment in non-core business. (9) General description of connected transaction Type of transaction : Transaction relating to

104,000 -7.3% 9.5% FBB ARPU (Baht/user/month) 489 462 458 -6.4% -0.9% 3 2Q21 MD&A Advanced Info Service Plc. 1H21 Snapshot For 1H21, Core service revenue was 64,778m, decreasing -0.9%YoY, and reflected

9M21, AIS’ performance was in-line with the guidance, delivering a flat core service revenue due to on-going impact of the pandemic while reported slightly increase in EBITDA (+2% YoY). FY21 guidance is

core principles take into account environmental, social and governance (ESG) factors in the business practices of investee companies, offering institutional investors a balanced focus apart from seeking

blueprint is the result of thorough analysis and re-adjustment of focus. Each issue will be explored to the core with stakeholders? interest in mind to ensure right-to-the-point, effective problem solving