% Profit (loss) before loss from allowance 149,195 (514,097) 129% 129,365 145,783 -11% margin 7% -21% 8% 9% Profit / (Loss) before interest and taxation (221,748) (2,202,353) 90% (500,440) (1,134,625) 56

723.3 (12.7%) Normalized Rental Revenue/1 256.4 229.4 (10.5%) 676.6 672.7 (0.6%) Gross Profit 177.8 147.2 (17.2%) 459.2 409.5 (10.8%) Gross Profit Margin 57.7% 64.2% 55.4% 56.6% GPM before adjustment with

Baht 4.6 million. 4 Gross Profit and Gross Profit Margin Q1-2021 Q1-2022 THB Mn THB Mn THB Mn % Biomass Power Plant 239.0 263.2 24.2 10.1% Natural Gas Power Plant 136.8 140.3 3.5 2.6% Municipal Solid

cost 208.1 58.7 254.5% 193.3 7.7% Reported Net Profit/Loss (132.4) 26.8 N.A. 0.9 N.A. GOP margin (%) 61.2% 68.5% 62.5% EBITDA margin (%) 16.0% 37.3% 24.3% Operating EBITDA margin (%)* 17.8% 53.3% 23.7

as follows: 1. Thai Financial Reporting Standard - Financial instruments group Credit Risk Allowance for impairment loss for trade receivables are measured at an amount equal to lifetime ECLs. ECLs on

an amount of 6,268 million baht, increase of 2,922 million baht or increase by 46.6%. 2. In the third quarter of 2017, the Company recorded gross profit margin of 35.5%, while the same period last year

caused the gross profit in this period was at THB 23.8 million or the gross profit margin represented at 13.2%. It decreased by THB 6.3 million or 21.0% from the prior period, however; when compared to the

guidance of low single-digit decline YoY, with a margin of 45.4% increased by 50bps compare to 9M19. Net profit (Pre-TFRS 16) decreased by -13%YoY from network investment, spectrum acquisition as well as

of service and SG&A. As a result of demand weakness, EBITDA in 1Q22 dropped -0.8% YoY and -2.3% QoQ to Bt22,404mn with a margin of 49.5%. Following declined EBITDA, AIS reported a net profit of

345.41 -143.94 Gross profit margin (Sales of real estate) 25.39 31.33 -5.37 29.02 34.31 -15.42 Net profit margin -0.50 3.76 -113.34 -5.59 14.09 -139.69 Changing Years 2017 Years 2016 Changing Consolidated