PowerPoint Presentation Management Discussion and Analysis 3rd Quarter of 2020 Q3/2020 Q3/2020 and Recent Highlights In the third quarter of 2020, economic factors that affected company's results of operations include (i) natural gas price and coal price that continued to drop further from previous quarter resulting in lower costs of sales and increasing industrial customers sales margin in spite of the slightly decrease of the fuel adjustment charge (Ft) for the collection of September - Decemb...

........ Year ............. Year ............. Year ............ Total assets Total liabilities Shareholders’ equity Total income Cost Net profits Earnings per share (EPS) Debt/equity ratio (D/E ratio) Return on

-Translation- No. ECF2 044/2561 3 December 2018 Subject: Notification of the resolutions of the Board of Directors’ Meeting approving the investment in purchasing the ordinary shares of S-TREK (Thailand) Co., Ltd., capital increase, and the issuance and allocation of the newly issued ordinary shares to the specific person under the private placement basis, and the schedule for Extraordinary General Meeting No. 1/2019 To President The Stock Exchange of Thailand Enclosure 1. Information Memorandum...

MW Equity Capacity COD of projects4,776 MW Equity Capacity COD of projects Selective Growth COD of projects ERU +250MW Rayong WTE +10MW Expansion+18MW +2,771MW COD of projects CUP 4 +45MW NL1PC +26MW

Quarter Change (%) 1/2018 4/2017 1/2017 4/2017 1/2017 Net profit * 9,005 8,496 8,305 6.0% 8.4% Earnings per share (Baht) 4.72 4.45 4.35 6.0% 8.4% Net interest margin 2.34% 2.31% 2.35% 0.03% (0.01)% Net fees

Item Quarter Change (%) H1 Change 2/2017 1/2017 2/2016 1/2017 2/2016 2017 2016 (%) Net profit * 8,047 8,305 7,169 (3.1)% 12.2% 16,352 15,487 5.6% Earnings per share (Baht) 4.22 4.35 3.76 (3.1)% 12.2

148.63 148.63 148.63 Total Revenue 2,963.84 2,917.86 1,410.83 Net Profit 315.10 305.90 154.30 Earnings Per Share (EPS) 0.53 0.51 0.26 Key Financial Ratios ROA (%) 22.05 21.20 n.a. ROE (%) 49.67 44.66 n.a

3.43 % 3.06 % 3.65 % 5.46 % Other Income 3.19 % 3.19 % 3.54 % 2.76 % Cash against Operating Profit 263.54 % 219.44 % 76.06 % 195.86 % Net Earnings 4.60 % 4.99 % 5.69 % 6.54 % Return on Equity 8.53 % 8.59

and its Subsidiaries Million Baht Item Quarter Change (%) 9 Months Change 3/2017 2/2017 3/2016 2/2017 3/2016 2017 2016 (%) Net profit * 8.161 8,047 8,061 1.4% 1.2% 24,513 23,547 4.1% Earnings per share

Earnings (Deficit) -5,129.66 -6,121.34 -5,598.50 -5,672.60 1,314.67 Treasury Stock - - - - - Shares Of The Company Held By Subsidiaries - - - - - Other Components Of Equity 92.19 -217.32 701.38 -358.03