materials cost 553.5 516.9 530.9 2.7% (4.1%) 1,115.3 1,047.8 (6.1%) Depreciation and amortisation cost 122.1 124.9 123.2 (1.4%) 0.9% 246.0 248.1 0.9% Staff cost and other benefits 42.3 37.2 39.0 4.8% (7.8

ตามเศรษฐกิจโลกมากนัก (Defensive-Domestic Play) เชน กลุม Health Care และ REITs เปนตน และใหหลีกเลี่ยงการลงทุนในบริษัทในกลุมที่มีสัดสวนรายไดจากตางประเทศสูง ไดแก กลุม Info. Tech., Materials

%YoY THB Mn THB Mn %YoY Fuel materials cost 543.0 530.9 515.9 (2.8%) (5.0%) 1,658.4 1,563.8 (5.7%) Depreciation and amortisation cost 122.5 123.2 130.0 5.5% 6.1% 367.0 378.0 3.0% Staff cost and other

Fuel materials cost 530.9 536.5 583.3 8.7% 9.9% 1,047.8 1,119.8 6.9% Depreciation and amortisation cost 123.2 152.5 155.4 1.9% 26.1% 248.1 307.9 24.1% Staff cost and other benefits 39.0 36.7 37.2 1.4

30 September 2021 and 2020 are presented below: Q3-2020 Q2-2021 Q3-2021 9M-2020 9M-2021 Change THB Mn THB Mn THB Mn %QoQ %YoY THB Mn THB Mn %YoY Fuel materials cost 515.9 583.3 643.3 10.3% 24.7

and service for the year ended 31 December 2021 and 2020 are presented below: Q1-2021 Q2-2021 Q3-2021 Q4-2021 2020 2021 THB Mn THB Mn THB Mn THB Mn THB Mn % THB Mn THB Mn THB Mn % Fuel materials cost

%YoY Fuel materials cost 583.3 808.1 811.4 0.4% 39.1% 1,119.8 1,619.5 44.6% Depreciation and amortisation cost 155.4 165.8 169.1 2.0% 8.8% 307.9 334.9 8.8% Staff cost, repair and maintenance cost and

Mn THB Mn THB Mn %QoQ %YoY THB Mn THB Mn %YoY Fuel materials cost 643.3 811.4 987.0 21.6% 53.4% 1,763.1 2,606.5 47.8% Depreciation and amortisation cost 154.0 169.1 169.3 0.1% 9.9% 461.9 504.2 9.2

of sales and service THB Mn THB Mn THB Mn THB Mn THB Mn % THB Mn THB Mn THB Mn % Fuel materials cost 808.1 811.4 987.0 1,001.8 14.8 1.5% 2,485.6 3,608.3 1,122.7 45.2% Depreciation and amortisation cost

and 2022 are presented below: Cost of sales and service Q3-2022 Q2-2023 Q3-2023 Change 9M-2022 9M-2023 Change THB Mn THB Mn THB Mn %QoQ %YoY THB Mn THB Mn %YoY Fuel materials cost 987.0 808.3 777.3 (3.8