% Share of profit of associates and joint ventures (6) 0.0% 119 0.2% (125) (105.2%) Profit (loss) before finance cost and tax expense (2,569) -6.2% 2,668 5.1% (5,236) (196.3%) Finance costs 790 1.9% 292 0.6

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

and space usage expense of production unit. Major part of cost of sales is raw materials. Gross Profit Gross Profit Margin +48% +67% Q4/2022 vs Q4/2021YoY • Gross Profit in Q4/2022 was THB 166 million

distribution expenses + Administrative expenses) / Total revenues from sales EBIT margin (%) = (Profit before income tax expense + Finance Cost) / Total revenues from sales EBITDA margin (%) = (Profit before

revenues from sales EBIT margin (%) = (Profit before income tax expense + Finance Cost) / Total revenues from sales EBITDA margin (%) = (Profit before income tax expense + Finance Cost + Depreciation and

expenses 32,700 28,362 13% Profit (loss) before income tax expense (2,358) 376 116% Income tax expense - 11 (100%) Profit (loss) for the years (2,358) 366 116% Other comprehensive income (loss) for the years

) / Total revenues from sales EBIT margin (%) = (Profit before income tax expense + Finance Cost) / Total revenues from sales EBITDA margin (%) = (Profit before income tax expense + Finance Cost

) / Total revenues from sales EBIT margin (%) = (Profit before income tax expense + Finance Cost) / Total revenues from sales EBITDA margin (%) = (Profit before income tax expense + Finance Cost

EBIT margin (%) = (Profit before income tax expense + Finance Cost) / Total revenues from sales EBITDA margin (%) = (Profit before income tax expense + Finance Cost + Depreciation and Amortization

from one- time items in other income (below EBTDA) of approximately 500mn. Excluding the one-time expense, normalized net profit was Bt6,639bn decreased 5.2% YoY from higher spectrum amortization but