1 June 30, 2020 Subjects : The acquisition of ordinary shares of APEX Energy Co., Ltd. increased 18.75% Attention : The Director and Manager of the Stock Exchange of Thailand Eastern Power Group

consideration and feasibility study of branch development SET shall be further informed if the conclusion was done. 4 In case decide for earliest branch development: Franchise period is 2018-2029 In case decide

informed if the conclusion was done. 4  Franchise period when HHC decided to operate the branches In case decide to earliest operate: Franchise period is 2018-2029 In case decide to latest operate

(EE) EPCO Energy (EPCOE) Eastern Power Group PCL. (EP) Eternity Power PCL. (ETP) Lopburi Solar ( Lopburi ) 5 MW Prachin Solar ( PS ) 5 MW APEX ENERGY (APEX) STC ENERGY (STCE) SSUT (240 MW) PPTC (120 MW

Excavation 3 Soil and Coal Milling Project at Mae Moh Mine, Contract No.6 decreased. Due to heavy rain in the project area, the operation could not be done at full capacity resulting in the loss from regular

period of last year, due to additional administrative expenses from expanding in 2nd production line was done in the end of 3 th quarter, lead to decreasing in administrative expenses. Financial cost on

(Thailand) Company Limited (“SPM”) 9 That Siri Company Limited (“TSR”) 10 STC Energy Company Limited (“STCE”) 11 Apex Energy Solution Company Limited (“APEX”) 12 EPCO Engineering Company Limited (“EE”) 13

2019. Best in Travel Poll 2019 is conducted by SmartTravelAsia.com, a leading travel website in Asia. 5 ASIA’S BOUTIQUE AIRLINE 6. The Company has been named 2020 Five Star Major Airline by APEX (the

was done in the end of 3th quarter of last year , lead to decreasing in administrative expenses. Financial cost on nine-month and 3nd quarter of 2019 increased significantly 3,761.61 and 2,025.30

slowdown in the country. Transport operators in the country to be competitive and stop transporting cement powder because management determined that it was not worth the money to get the job done. The