, Chatuchak, Bangkok 10900, Thailand Fax : (662) 936-1669 ทะเบียนเลขท่ี 0107554000097 Registration No. 0107554000097 HYDROTEK PUBLIC COMPANY LIMITED บริษทั ไฮโดรเท็ค จ ำกดั (มหำชน) (Translation) No. 056/0862 19

, Chatuchak, Bangkok 10900, Thailand Fax : (662) 936-1669 ทะเบียนเลขที่ 0107554000097 Registration No. 0107554000097 HYDROTEK PUBLIC COMPANY LIMITED บริษทั ไฮโดรเท็ค จ ำกดั (มหำชน) (Translation) No. 056/0862 20

to investors in support of investors' decision making; 5.2.2 Describe the restrictions of foreign shareholders in the case where the Company has a policy to seek a resolution of the shareholders

by the issuing company (“Company”). Preparation and filing thereof should also take into consideration the guidelines, the manual or the disclosure checklist available on the SEC website. - 2 - SEC

to Equity Ratio (Time) 1.78 5.88 Total Expenses The 2017 Operating Result as ended 31 December 2017 General Information The Company’ s Board of Directors had passed its resolution to arrange the 1/2017

10 บมจ.0107537002109 Page 1 of 5 บริษทั ดีมีเตอร ์คอรป์อเรชัน่ จ ำกดั (มหำชน) Demeter Corporation Public Company Limited เลขท่ี 191/43 อำคำรซีทีไอ ทำวเวอร ์ชัน้ 21 ถนนรชัดำภิเษก แขวงคลองเตย เขต

1 -Translation- No.ECF2 004/2018 24 January 2018 Subject: Change in Shareholding Structure of the Planet Board Company Limited, a Subsidiary Company of the Company (additional) To: President The

right to receive the dividend depends on the resolution of Annual General Meeting of Shareholders No.1/2018. Meanwhile, the Company had paid the interim dividend payment at the rate of Baht 0.06 per share

of foreign jurisdiction in form of public limited company; (2) Business takeover of foreign ETF under (1). Clause 2 In this Notification: (1) “foreign ETF” means collective investment scheme in

million baht: (1) Keeping the client’s assets in its possession ; (2) Investing in or holding securities for investment by the securities company itself; (3) Bearing a https://www.sec.or.th/EN/Documents