Expenses (Million Baht) Quarterly Change 1/2018 1/2017 % Cost of Goods Sold 266.1 321.8 (17.3) Temporary Shutdown Expenses 15.7 33.2 (52.5) Selling Expenses 86.3 86.4 (0.1) Administrative Expenses 25.6 29.2

September 27, 2017. 2. Cost of goods sold and expenses: Consolidated Information of the 3rd Quarter 3 months Change 2018 2017 Amount Percentage Cost of goods sold 247.98 239.22 8.77 3.67% Cost of sales 41.60

Authority, etc. Comparing Q2-2022 to Q1-2022, the change rate of the cost of sales and service was very similar to the change of the revenue. This is because many of projects delivered in Q2- 2022 are the

service Cost of sales and service for the period ended 30 June 2020 and 2019 are presented below: Q2-2019 Q1-2020 Q2-2020 6M-2019 6M-2020 Change THB Mn THB Mn THB Mn %QoQ %YoY THB Mn THB Mn %YoY Fuel

completed. 4 Cost of sales and service Cost of sales and service for the period ended 30 September 2020 and 2019 are presented below: Q3-2019 Q2-2020 Q3-2020 9M-2019 9M-2020 Change THB Mn THB Mn THB Mn %QoQ

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

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

the short term investment fund. 2. Cost of goods sold and expenses : Consolidated Unit: Million Baht Information of the 3rd Quarter 3 months Change 2017 2016 Amount % Cost of goods sold 239.22 217.53

Quarter 3 months Change 2018 2017 Amount % Cost of goods sold 210.47 216.62 (6.17) (2.84) Cost of sales 41.00 36.58 4.42 12.07 Administrative expenses 44.11 41.83 2.28 5.45 Financial costs 25.27 16.75 8.52

te m en t Unit : Million Baht 2018 2019 Change (+/-) Q4/18 Q3/19 Q4/19 Change (+/-) • There is no substantial change in cost of goods sold comparing between 2018 and 2019. The cost of goods sold is