Date of EGM 1/2020 (Revise) Dear Directors and Managers Stock of Exchange of Thailand Attachment 1. Extraordinary General Meeting of Shareholders No. 1/2020 2. Information Regarding the Asset Acquisition

2018 (under a Co-Management Contract pursuant to the SEC Notification: Approval of Co-Management Contract of a Securities Company No. Or Thor/Nor 9/2541), be approved. (See Attachment 1) Please be

Page 1 RJH – SET 14/2019 13 August 2019 Subject : Notification of Asset Acquisition and Connected Transaction To : The President The Stock Exchange of Thailand Attachment : Information memorandum on

the regulations prescribed by SET. Details of services are provided in Attachment 1. Please be informed accordingly. Sincerely yours, (Mr. Hiroaki Sano) Managing Director (Attachment 1) Vinythai Public

Page 1 RJH – SET 12/2018 24 December 2018 Subject : Notification of disposal of asset transaction To : The President The Stock Exchange of Thailand Attachment : Information memorandum on the asset

, Related Transaction, and Schedule of the AGM 2019 To : President The Stock Exchange of Thailand Attachment 1. Details of the amendment of Articles of association 2. Details of Related transaction on land

HONDA ENGINEERING ASIAN CO No.CS037/2017 October 31, 2017 Subject : Information Memorandum regarding the Proposed Asset Acquisition To : President The Stock Exchange of Thailand Attachment

the shareholding in subsidiary companies To: President The Stock Exchange of Thailand Attachment: Structure of the shareholding in subsidiary companies Filter Vision Public Company Limited (“the Company

the Stock Exchange of Thailand Attachment: Copy of financial statements dated on 30th June 2017 Thai-English each. Union Pioneer Public Company Limited would like to clarify the net profit for the 2nd

(Translation) UAC.CS/002/2018 February 20, 2018 Subject: Explanation of the operating results for the year period ended December 31, 2017 To: President The Stock Exchange of Thailand Attachment