also decrease in line with the fuel material cost of natural gas. Q2-2020 Q1-2021 Q2-2021 6M-2020 6M-2021 Change THB Mn THB Mn THB Mn %QoQ %YoY THB Mn THB Mn %YoY Revenue from construction under a

-31.00 Net Profit Margin 6.86 1.86 -1.28 -3.14 -168.82 -8.14 -118.66 56.36 16.87 -39.49 -70.07 Unit : Million Baht Q4/59 Q3/60 Q4/60 Change +/(-) 12M/59 12M/60 Change +/(-) 1. The total revenue of Q4/17

-5.67 -31.00 Net Profit Margin 15.29 1.70 -1.28 -2.98 -175.29 -16.57 -108.37 56.05 16.87 -39.18 -69.90 Unit : Million Baht Q4/59 Q3/60 Q4/60 Change +/(-) 12M/59 12M/60 Change +/(-) 1. Net sales of Q4/17

Q3-2022 Q2-2023 Q3-2023 Change 9M-2022 9M-2023 Change Percent Percent Percent QoQ YoY Percent Percent YoY Biomass Power Plant 29.0 25.4 28.3 2.9 (0.7) 30.4 27.2 (3.2) Natural Gas Power Plant 18.0 21.2

of Sales of Goods and Rendering of Services: IPP Key cost drivers Q2/19 Q1/20 Q2/20 Change +/(-) 6M/19 6M/20 Change +/(-) YoY QoQ YoY Natural Gas Natural gas consumption GPSC's natural gas consumption

material cost of natural gas. Net gain (loss) on exchange rate Q1-2022 Q1-2023 THB Mn THB Mn THB Mn % Net loss on exchange rate (4.6) (17.4) 12.8 278.3% Change Net gain (loss) on exchange rate mainly came

(IU) 1.1 0.8 1.1 37.5% - 6.5 3.3 (49.2%) Sales from Natural Gas Power Plant 507.7 657.4 884.1 34.5% 74.1% 1,396.9 2,210.1 58.2% Sales of electricity - FiT, base tariff and Ft 59.5 73.5 76.7 4.4% 28.9

financial statements Q1-2023 Q2-2023 Q3-2023 Q4-2023 Change QoQ 2022 2023 Change YoY THB Mn THB Mn THB Mn THB Mn THB Mn % THB Mn THB Mn THB Mn % Sales of goods and services 1,638.2 1,508.8 1,522.3 1,496.8

Quarter 3 Change 9-month 9-month Change (Unit: %) 2023 2024 2024 %QoQ %YoY 2023 2024 %YoY Biomass Power Plant 28.3 24.3 27.0 2.7 (1.3) 27.2 24.8 (2.4) Natural Gas Power Plant 23.7 24.3 24.5 0.2 0.8 21.4

Gross Profit Q3-2020 Q2-2021 Q3-2021 9M-2020 9M-2021 Change Percent Percent Percent QoQ YoY Percent Percent YoY Biomass Power Plant 38.5 32.8 35.1 2.3 (3.4) 37.9 33.1 (4.8) Natural Gas Power Plant 31.1