% Administrative employee cost 28.81 71.78 28.96 51.48 0.15 0.52 Miscellaneous expenses 3.65 9.09 6.60 11.73 2.95 80.82 Depreciation and amortization 3.47 8.64 3.57 6.35 0.10 2.88 Tax and other fee 2.97 7.40 13.56

addition, the cost per unit decreased due to the increased production volume (Economy of scale). • Gross Profit margin in Q4/2023 was 65.0%, increased from 62.9% in Q4/2022, and Gross Profit margin in 2023

% with net interest income increased by 9.4% driven by lower interest expense from continuous cost management while non-interest income decreased by 26.9% from the slowdown in economic activities

3.7% EBITDA Margin 62.1% 61.6% Finance cost 34.9 39.1 (4.2) (10.7%) Income tax expenses 87.8 83.2 4.6 5.5% Profit for the year 345.5 327.1 18.4 5.6% Net Profit to Equity holders of the Company 322.6

), mainly due to the increase in the direct labor costs, maintenance cost and the airport concession fee for Aviation refueling services business. The Gross profit margin of the Group was of 61.2 % compared

follow; unit: million baht Items 3-month periods ended 31 March Changes 2018 2019 Amount % Amount % Amount % Revenue from sales of goods 82.42 100.00 113.01 100.00 30.59 37.11 Cost of sales of goods 65.35

251.76 100.00% 487.26 100.00% (235.50) -48.3% Cost of sales (126.86) -50.39% (269.85) -55.38% (142.99) -53.0% Gross profit 124.91 49.61% 217.41 44.62% (92.50) -42.5% Other income 0.80 0.32% 3.02 0.62

fee which receive from subsidiary company 3 Income before deducting the cost of hedging, once deducting those costs, net gain was Baht 56 million

Including selling agent fee which receive from subsidiary company 3 Income before deducting the cost of hedging, once deducting those costs, net gain was Baht 56 million

in number of branches. In addition, the cost per unit decreased due to the increased production volume (Economy of scale). • Gross Profit margin in Q3/2023 was 66.0%, increased from 64.6% in Q3/2022