. 1/2018 To The President The Stock Exchange of Thailand Attachment 1. Information Memorandum regarding the Offering and Allocation of the Newly Issued Shares of Ocean Commerce Public Company Limited to

(after the paid up capital registration) as detailed in clause 5). Therefore, the investor is required to make a tender offer for all securities of the Company pursuant to the Securities and Exchange Act

, Bangkok 10900, Thailand Fax : (662) 936-1669 ทะเบียนเลขท่ี 0107554000097 Registration No. 0107554000097 HYDROTEK PUBLIC COMPANY LIMITED บริษทั ไฮโดรเท็ค จ ำกดั (มหำชน) (Translation) No. 079/0960 25

, Bangkok 10900, Thailand Fax : (662) 936-1669 ทะเบียนเลขท่ี 0107554000097 Registration No. 0107554000097 HYDROTEK PUBLIC COMPANY LIMITED บริษทั ไฮโดรเท็ค จ ำกดั (มหำชน) (Translation) No. 082/0960 25

, Bangkok 10900, Thailand Fax : (662) 936-1669 ทะเบียนเลขท่ี 0107554000097 Registration No. 0107554000097 HYDROTEK PUBLIC COMPANY LIMITED บริษทั ไฮโดรเท็ค จ ำกดั (มหำชน) (Translation) No. 084/0960 26

. Securities Code: TKT 2. Date of action resulting in reporting obligation: 29 October 2020 2.1 () Acquisition ( ) Disposition ( ) Through the Stock Exchange of Thailand via a securities company: Thai

. Securities Code: TKT 2. Date of action resulting in reporting obligation: 24 November 2020 2.1 () Acquisition ( ) Disposition ( ) Through the Stock Exchange of Thailand via a securities company: Thai

., Ltd and appointment of member of audit committee. (Revised) To: President The Stock Exchange of Thailand Enclosure: Information Memorandum regarding the Acquisition of Asset of Demeter Corporation

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

entitled for subscription of new ordinary shares (Record Date) and Subscription period To: The President of the Stock Exchange of Thailand Enclosure: 1. No. For. 19/2018 Capital Increase, Waiver from