March 20, 2018 Subject The amendment of Information Memorandum on Acquisition of Assets To President The Stock Exchange of Thailand According, Bangkok Dec-con Public Company Limited has reported

into Material Transactions Deemed as Acquisition or Disposal of Assets, and the Notification of the Board of Governors of the Stock Exchange of Thailand, Re: Disclosure of Information and Other Acts of

Agreement which is a Connected Transaction, Appointment of the Independent Financial Advisor and Calling the Extraordinary General Meeting of Shareholders No. 2/2019 To The President The Stock Exchange of

May 25, 2017 Subject: Notification on the Acquisition of Assets of AAPICO Hitech Public Company Limited To: The President The Stock Exchange of Thailand Enclosure: Information Memorandum Concerning the

limited company; (8) “listed company” means any company having shares listed on the Stock Exchange of Thailand; (9) “offering convertible bond at lower market price” means offer for sale of convertible bond

of the SEC Office (if any) and/or the conditions for the Stock Exchange of Thailand’s acceptance of securities (if any), including the compliance with such obligations or conditions in the following

required to sumbmit such attachments to the Stock Exchange of Thailand (SET) as well. - 3 - SEC Classification : ใชภ้ายใน (Internal) Part 1 Business Operation and Operating Results 1. Organizational

AMATA B.GRIMM POWER 2 COMPANY LIMITED AMATA B.GRIMM POWER 5 COMPANY LIMITED AMATA B.GRIMM POWER COMPANY LIMITED AMATA CITY BIEN HOA JOINT STOCK COMPANY LIMITED AMATA CORPORATION PUBLIC COMPANY LIMITED

Director The Stock Exchange of Thailand Reference: 1. Information Memorandum on the Issuance and Offering of the Newly Issued Shares through Private Placement (PP) of Safari World Public Company Limited 2

business - Securities borrowing and lending service - Sales and redemption representative Overview of the Stock Exchange of Thailand Thai Stock Market in the third quarter of 2017 rallied to mark another