February 21,2020 Subject: Notification of the disposal of in the Biogas Power Plant Business of Akkrawat Crop Rotation Energy Company Limited Attention: President Stock Exchange of Thailand Demeter

Acquisition and Connected Transactions of the Company with respect to the acquisition of the Energy Recovery Unit from Thai Oil Public Company Limited and entry into the relevant agreements Global Power Synergy

business to manage and dispose of hazardous waste through high temperature power plant(s) as well as to generate and sell electricity. ART is currently in the process of conducting a feasibility study

and dispose of hazardous waste through high temperature power plant(s) as well as to generate and sell electricity. ART is currently in the process of conducting a feasibility study regarding this plan

Power Plants 114.0 127.9 127.8 133.5 5.7 4.5% 482.2 503.2 21.0 4.4% Sales of electricity - Base tariff and Ft 5.3 5.2 5.1 4.4 (0.7) (13.7%) 17.8 20.0 2.2 12.4% Sales from Solar Energy Power Plants 5.3 5.2

March 12,2020 Subject: Notification of the disposal of shares in the Biogas Power Plant Business of Akkrawat Crop Rotation Energy Company Limited (Revised No.2) Attention: President Stock Exchange of

. Revenue from sale of electricity rose by 1.57% QoQ as a result of ongoing repair and maintenance of the overall power generator which gradually improve power supply capacity and escalate power to grid

. Power Plant Business Group recorded a superior electricity sales (+3% QoQ and 4% YoY), from the commercial operation commencement of Nagi and Gotemba solar power plant in Japan. For Solar power plant

cost rose near the end of the year causing inconsistency between the retail price at service stations and rising finished product costs. Power Plant Business Group recorded increase in electricity sales

devaluation [NRV]] which affected overall performance. Power Plant Business recorded increase in total electricity sales 48% YoY due to investments into the hydro power plant in Laos PDR the “Nam San 3A