enhance heat rate of gas turbine as well as overall power plant performances 3. Digitalization – to predict the degradation of each machine more accurate. Consequently, each plant will be able to minimize

–2021 Balance by Quarter Change Q3-21 Q2-21 Q3-20 Q3-21 VS Q2-21 Q3-21 VS Q3-20 (Million Baht: MB) (MB) % (MB) % Total revenue 1,509.1 2,081.2 2,241.1 (572.1) (27.5) (732.0) (32.7) Total operating

-2023 Balance by Quarter Change Q3-23 Q2-23 Q3-22 Q3-23 VS Q2-23 Q3-23 VS Q3-22 (Million Baht: MB) (MB) % (MB) % Total revenue 1,704.9 1,703.0 1,886.5 1.9 0.1 (181.6) (9.6) Total operating expenses

decreasing in overall sales volume. The consolidated gross profit margin contributed of 13.12% in 1Q2018, decreased from 15.28% in 1Q2017. The participating loss from associates was THB 44.72 million in 1Q2018

Summary Significant Event Operating Highlights in Q3/2023 Q3/22 Q3/23 Change +/(-) 9M/22 9M/23 Change +/(-) (THB million) %YoY %YoY Operating Revenue 246 338 37% 674 900 34% Gross Profit 159 223 40% 426 583

first quarter ended March 31, 2019 with those of 2018. This report discusses principal changes in the reviewed consolidated financial statements. Overall market environment The Thai economy for the first

group. Financial Highlights 2Q 2017 2Q 2016 Change 6M 2017 6M 2016 Change THB million % Sales THB million % Sales THB million % THB Million % Sales THB million % Sales THB million % Revenue from Sales

2nd Quarter 2018 Page 2 of 13 Overall Financial Performance and Profitability Business Segment 2Q 2018 2Q 2017 Change 6M 2018 6M 2017 Change THB million % THB million % THB million % THB million % THB

Public Company Limited Interim Management Discussion and Analysis for the 3rd Quarter 2018 Page 2 of 13 Overall Financial Performance and Profitability Business Segment 3Q 2018 3Q 2017 Change 9M 2018 9M

financial institutions. A summary of the key operational matters and events for the 3rd Quarter 2019 Financial Highlights 3Q 2019 3Q 2018 Change 9M 2019 9M 2018 Change THB million % Sales THB million % Sales