The Stock Exchange of Thailand Reference: The Notification No. BGRIM 16/2563 dated 31 August 2020 Re: the readiness for development of 7 combined cycle cogeneration power plants as planned B.Grimm Power

Owner of the Company before exchange rate 1,660.42 1,097.85 562.57 51.2 Gain (loss) on exchange rate 200.65 (256.34) 456.99 178.3 Profit Attributable to Owner of the Company 1,861.07 841.51 1,019.56 121.2

Extraordinary General Meeting of Shareholders No.1/2019 (EGM 1/2019) To: The President of the Stock Exchange of Thailand Attachment: 1. Information Memorandum of the Purchase and Acquisition of Entire Business

Stock Exchange of Thailand Enclosure: Information Memorandum regarding the Acquisition of Asset of Demeter Corporation Public Company Limited The Meeting of the Board of Directors No. 8/2017 of Demeter

quarter, the exchange rate of THB against US Dollar was weaken resulting to the Company had loss from exchange rate by THB 184 million. However, in the second quarter of 2018, the Company had the sale

-Translation- Ref. No. PorBor. 029 / 2020 19 June 2020 Subject: Entering into Transaction of Disposing of Subsidiary’s Machines for the Debenture Debt repayment To: President The Stock Exchange of

President The Stock Exchange of Thailand Capital Engineering Network Public Company Limited (“the company” or “CEN”) hereby noticed that resolution from Board of Directors No.4/2020 held on August 14, 2020

Machines for the Debenture Debt repayment To: President The Stock Exchange of Thailand Enclosure: Information Memorandum on the Asset Disposal, Schedule 1 of Rich Asia Corporation Public Company Limited

the business since 2017 and the fact that the Thai Baht value appreciated against US Dollar, the Company had loss on exchange rate, resulting in a decrease in net profit ratio (ROS) from 19.92% in the

Stock Exchange of Thailand Reference: Letter No. OP. 435/ 2019 dated 12 December 2019 on the entering into the Conditional Share Purchase Agreement for the acquisition of a majority shareholding in PT