October 30, 2020 Subject: The Management Discussion and Analysis for the second quarter ended June 30, 2020 To: President The Stock Exchange of Thailand Well Graded Engineering Public Company Limited (“the

November 13, 2020 Subject: The Management Discussion and Analysis for the third quarter ended September 30, 2020 To: President The Stock Exchange of Thailand Well Graded Engineering Public Company Limited

1 Translation CEN 015-2020 August 14, 2020 Subject Notification on disposal of investment in subsidiaries (Biomass Power Plants Business) of Ua Withya Public Company Limited To The Manager and