to be recognized in 2018. (Unit : Million Baht) 2018 2017 Change % Change Operating revenue 406.54 351.36 55.18 15.70% Operating cost 337.23 293.88 Gross profit 69.31 57.49 11.83 20.58% Gross profit

Company’s expenses mainly consist of operating and administrative expenses, bad debt and doubtful accounts and finance cost. In the first half of 2017, the Company had total consolidated expenses of 7,329

., Ltd. accordingly and others. 3 Expenses The Company’s expenses mainly consist of operating and administrative expenses, bad debt and doubtful accounts and finance cost. In the first quarter of 2017, the

Cost of service (34,589) (42,149) 7,560 (17.94) Total Costs (175,250) (150,698) (24,552) 16.29 Gross Profit 101,265 70,749 30,516 43.13 Reversal of allowance for doubtful accounts 174,875 - 174,875

Change 3 months Change 2017 2016 Amount % 2017 2016 Amount % Revenue from sale – net 343.16 310.14 33.03 11% 338.57 304.03 34.53 11% Gain from exchange rate 0.30 0.48 -0.18 -37% 0.26 0.49 -0.23 -46% Other

(“the Group”) as follow: Q3-2019 Q2-2020 Q3-2020 9M-2019 9M-2020 Change THB Mn THB Mn THB Mn %QoQ %YoY THB Mn THB Mn %YoY Sales of goods and services 1,142.7 1,139.5 1,182.8 3.8% 3.5% 3,399.0 3,438.0 1.1

-2021 6M-2020 6M-2021 Change THB Mn THB Mn THB Mn %QoQ %YoY THB Mn THB Mn %YoY Sales of goods and services 1,139.5 1,214.9 1,284.4 5.7% 12.7% 2,255.2 2,499.3 10.8% Revenue from finance lease under power

(“the Group”) as follow: Q3-2020 Q2-2021 Q3-2021 9M-2020 9M-2021 Change THB Mn THB Mn THB Mn %QoQ %YoY THB Mn THB Mn %YoY Sales of goods and services 1,182.8 1,284.4 1,362.8 6.1% 15.2% 3,438.0 3,862.1

, consists of unrealised gain on exchange rate of receivable under finance lease agreement, gain on forward contracts and insurance claim. Change QoQ Consolidated financial statements Change YOY Financial

415.85 (149.55) (35.96) Total cost of sales (2) 268.63 416.54 (147.91) (35.51) Other income (3) 7.12 3.46 3.66 105.78 Administrative expenses (4) 36.88 46.29 (9.41) (20.33) Bad debt and doubtful accounts