purchase agreement 102.8 99.2 101.6 2.4% (1.2%) 203.7 200.8 (1.4%) Revenue from construction under a concession arrangement 398.1 - - - N.A. (

.(

- - - - - - 870.5 - (870.5) N.A.(

....................................................................................................................................... 7 Solar energy .................................................................................................................................................... 8 Other income and fixed cost

closed from nationwide restriction. SIM & Device margin was marginally negative at -0.5%, down from +2.7% in 2Q21 due to decline in high margin devices sale. Cost & Expense Cost of service in 3Q21 was

%, compared to +1.2% in 4Q20 due to decline in high margin devices sale from seasonality. Cost & Expense Cost of service for 1Q21 was Bt21,126mn, increasing 3.9%YoY and 3.4%QoQ from network OPEX following 5G/4G

due to 1) sales decrease; 2) higher cost per unit as a result of lower utilization rate; 3) higher depreciation; 4) higher excise tax and sugar tax following the Excise Act, B.E. 2560; 5) sales

/Litre, lowered by 5% YoY, a result from lubricant product’s rising cost compared to their stagnant price, combined with slight dips in retail marketing margin. Marketing margin decreased 1% QoQ, from

lease income 2,567 2,504 (3) 45 2,564 2,549 15 1% Deferred income (expense) tax (87) 22 1 - (86) 22 (108) (491%) Profit (Loss) before the effects of foreign exchange and lease income 2,480 2,526 (2) 45

the new iPhone13 in the previous quarter. However, the sales margin grew from +0.9% in 4Q21 to +1.4% in 1Q22 due to an increased sales mix of higher-margin handsets. Cost & Expense In 1Q22, the cost of