13 November 2019 Subject : Explanation of the operating results for the nine months of the year 2019, change in excess of 20% Attention: Directors and Managers the Stock Exchange of Thailand According

change in the first half of this year as well as increasing number of beds in service. Operation : Consolidated Profit & Loss Statement 4Q 4Q % 12 mth 12 mth % Unit : THB million 2018 2017 change 2018 2017

15,464 1,240 8.02% Gross Profit 1,685 1,275 410 32.17% Gross Profit Margin (%) 9.16% 7.62% SG&A expenses 1,091 854 237 27.72% Loss on exchange rate 189 16 174 1120.52% Loss on change in status of

Gross Profit Margin Gross Profit 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 Biomass Power Plant 231.7 206.9 259.1 25.2% 11.8% 752.2 709.6 (5.7

%) 1,872.7 1,782.3 (90.4) (4.8%) Gross Profit Margin Q1-2023 Q2-2023 Q3-2023 Q4-2023 Change 2022 2023 Change Percent Percent Percent Percent QoQ Percent Percent YoY Biomass Power Plant 27.8 25.4 28.3 26.6 (1.7

operating profit from the period and dividend payment. Analysis of performance Gross Profit Margin was affected by two major factors: 1) A change in foreign currency exchange rates Table 1: Foreign currency

relatively low gross margins of the projects delivered in Q2-2017, while the gross margin in Q1-2017 was so high that the change rate of profit for this period was not in line with the change rate of its

. Gross profit margin was higher from 27.2 to 31.2% due to focusing on higher-margin sales. Total expenses were Baht 458.3 million, decreased by 9.2%. The temporary shutdown expenses for scheduled

31, 2022, which can be summarized as follows: 1) Profit & Loss Analysis : Q1 2022 (Unit : Million Baht unless otherwise stated) Q1 2022 Q1 2021 Change Amount % Change Total Revenues 6,815 5,739 1,076

ended as of September 30, 2021, which can be summarized as follows: 1) Profit & Loss Analysis : Q3 2021 (3 Months) (Unit : Million Baht unless otherwise stated) Q3 2021 Q3 2020 Change Amount % Change