Notification of the Capital Market Supervisory Board No. TorChor 20/2551 Re: Rules on Entering into Material Transactions Deemed as Acquisition or Disposal of Asset dated 31 August 2008 (as amended) and the

robust Fit Fast Firm project (OSP’s cost saving program), which continued to drive further margin improvement through product formulation optimization, lower key raw material prices, higher supply chain

cost 45.8 52.3 47.2 (9.8%) 3.1% 130.4 149.3 14.5% Cost of maintenance service to outside 29.8 - - - N.A. (

service of electricity engineering. • Property, plant and equipment has increased Baht 30.22 million, as a result of assets for solar energy. • Restricted cash decreased by Baht 6 5 . 2 4 million because

74110 Thailand. E-mail: ir@aienergy.co.th บริษัท เอไอ เอนเนอร์จี จํากดั (มหาชน) AI Energy Public Company Limited ทะเบียนเลขที 0107556000311 the biodiesel mandatory and the raw material price reduce as the

registration statement. If the registration statement contains any false statement or omits to state any material information which should have been disclosed, the unit holders shall be entitled to claim damages

Baht 83 million or (22%) from Baht 383 million in Q3/2018 to Baht 466 million in Q3/2019. The increase was derived from all business units: engineering service, management service, solar energy, and

decrease was derived from the engineering service. • Overall gross profit margin increased from 11.9% to 13.8% at the same amount Baht 53 million. 2020 2019 Revenue 382 443 (61) -14% Cost 329 390 Gross

WELL GRADED ENGINEERING PLC. บริษัท เวล เกรด เอ็นจิเนียริง่ จ ำกัด (มหำชน) 50/1203 หมู่ 9 ต ำบลบำงพูด อ ำเภอปำกเกร็ด จังหวัดนนทบุรี 11120 โทร. 02-9817992-4 แฟกซ์ 02-9817995 No. WGE ELCID 2563/002

WELL GRADED ENGINEERING PLC. บริษัท เวล เกรด เอ็นจิเนียริง่ จ ำกัด (มหำชน) 50/1203 หมู่ 9 ต ำบลบำงพูด อ ำเภอปำกเกร็ด จังหวัดนนทบุรี 11120 โทร. 02-9817992-4 แฟกซ์ 02-9817995 No. WGE ELCID 2563/001