Page 2 Management Discussion and Analysis 1. Power Industry and Competition 1.1 Electricity industry and Economic situation in Thailand Thailand’s economy expanded by 2.4 percent in 2019, lower than 2018

performance of power business in 1Q2020 continued to be solid with Normalized Share of Profit of Baht 250.7 million, comparing to Baht 184.8 million of 1Q2019. Sale volume of Utilities business in Thailand is

ES) (EGCO holds a 49.00% ownership interest), located in Gangdong-gu, Seoul, South Korea with a capacity of 19.80 MW. Gangdong will sell electricity to Korea Electric Power Corporation (KEPCO), the

i.e. the biomass power plant in the southern of Thailand and the solar power plant, Myanmar managed by Green Earth Power (Thailand) Co.,Ltd. that has Information of period Consolidated Separate Amount

Page 2 Management Discussion and Analysis 1. Significant events in the second Quarter of 2019 1.1 The progress in construction projects - Xayaburi Project, a project of the Xayaburi Power Company Limited

million ( + 75% YoY, + 84% QoQ) , or earning per shares of THB 1. 35. The performance vastly improved mostly from the refinery business recorded high utilization rate and better GRM, as well as the power

of 2 due to the ceasing of zinc business. The exchange rate of THB against the USD in year 2017 appreciated to 34.11THB/USD compared with 35.47THB/USD of year 2016. Due to an increase of LME zinc price

Million % THB Million % THB Million % Revenues Sales income 13.77 24.17 12.86 23.32 0.91 7.08 Service and rental income 41.19 72.32 41.19 74.72 - 0.00 Gain on exchange rate 0.91 1.60 - - 0.91 N/A Other

Xayaburi Power Company Limited, (EGCO holds a 12.50% ownership interest.), is a hydro power plant project, Run-of-River. The project is located in the Laos People’s Democratic Republic (Laos PDR). The

events in the first Quarter of 2019 1.1 The progress in construction projects - Xayaburi Project, a project of the Xayaburi Power Company Limited, (EGCO holds a 12.50% ownership interest.), is a hydro