Results EGCO would like to present analysis of the operation result as follows: Summary of operating results for the year 2017 Unit: Million Baht Power Generation Others Total Change Increase (Decrease

: Overall Financial Performance Unit: million baht Jan-Dec 2018 % Jan-Dec 2019 % Change % YoY Revenue 523.23 100.0% 613.86 100.0% 90.63 17.3% Cost 285.52 54.6% 332.39 54.1% 46.87 16.4% Gross Profit 237.71

- 2017 Balance by Quarter Change Q3-2017 Q2-2017 Q3-2016 Q3-2017 VS Q2-2017 Q3-2017 VS Q3-2016 (MB) (MB) % (MB) % Total Revenue 1,633.1 1,345.4 1,144.5 287.7 21.3% 488.6 42.7% Total Operating Expenses

1: Overall Financial Performance Unit: mb Q1 18 % Q1 19 % Change % YoY Revenue 131.45 100.0% 132.54 100.0% 1.09 0.8% Cost 75.00 57.1% 73.41 55.4% (1.59) (2.1%) Gross Profit 56.45 42.9% 59.13 44.6

., BANGKAE, BANGKAE, BANGKOK, THAILAND. 10160 Tel: 02-455-2888 Fax: 02-455-2763 (“TRANSLATION”) TG 082/2562 May 15, 2019 Subject: Clarification of the Operating Result for the significant change Attention: The

., BANGKAE, BANGKAE, BANGKOK, THAILAND. 10160 Tel: 02-455-2888 Fax: 02-455-2763 (“TRANSLATION”) TG 114/2562 August 9, 2019 Subject: Clarification of the Operating Result for the significant change Attention

of 2019. A summary of the Company’s operating performance in the first quarter of 2020 and 2019 is shown in the following table: 1Q20 4Q19 % Change 1Q19 % Change [Amount in Baht Million] Q-o-Q Y-o-Y

million or 4.51 percent. Such change was mainly because of the decrease in short-term loans from related companies, the increase in short-term loans from financial institutions, and the recognition of

Table 1: Overall Financial Performance Unit: million baht Jan-Sep 2018 % Jan-Sep 2019 % Change % YoY Revenue 380.50 100.0% 440.78 100.0% 60.28 15.8% Cost 217.33 57.1% 238.03 54.0% 20.70 9.5% Gross Profit

Exchange of Thailand CAZ (Thailand) Public Company Limited (“the Company”) and its Subsidiary (“the Group”) would like to clarify the change in operating result for the year ended 31 December 2019, which