Baht 274.7 million, mainly from increase in cost of natural gas power plant when comparing to the first quarter of 2021 amounting to Baht 242.9 million as the continuing increasing in fuel material cost

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

formula also increase in line with the fuel material cost of natural gas. Net gain (loss) on exchange rate Q2-2022 Q1-2023 Q2-2023 Change 6M-2022 6M-2023 Change THB Mn THB Mn THB Mn %QoQ %YoY THB Mn THB Mn

, decreased by Baht 153 million or 15% from Q2/2018. The drop was due to the rise in natural gas prices while Fuel tariff (Ft) rate remained constant; therefore, the gross profits of Rayong Central Utility

by Baht 98.6 million mainly from cost of Natural Gas Power Plant from decrease in fuel material cost because of the decline in average natural gas price. In addition, cost of repair and maintenance of

natural gas power plant decreased Baht 38.4 million when comparing to the third quarter as the result from decreasing in fuel material cost which in line with the decrease in average natural gas price. Cost

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

clients, volume from existing IUs started to show the recovery sign with 17% growth in July from monthly average in Q2’2020. Furthermore, the trend of gas price looks favorable to our SPP business with a

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

process including sourcing new types of potential feedstocks which has been studied and researched well. However, fuel materials cost of Natural Gas Power Plant increased by Baht 108.5 million or 8.7