Report on Changes of Securities and Derivatives Holding in Reported by Position Reference No. Name of securities/derivatives holder Type of securities and derivatives Transaction Date No. of
Memorandum concerning the Connected Transaction of the Offering and Allocation of the Newly Issued Shares of Hydrotek Public Company Limited Following Hydrotek Public Company Limited (the “Company”)’s Board of
1 (-Translation-) Ref. No. IRS.025/2019 October 31, 2019 Subject Acquisition of Shares in Hello Bangkok LED Co, Ltd., which is an Assets Acquisition Transaction of the Company, Issuance and Offering
for Business Restructuring (amended No.2), the Enclosure 2. In addition, as to the Company having allowed persons interested in acquiring the assets of the Company to register for participation in
concerning the Acquisition and Disposition of Assets B.E.2547 (2004), dated October twenty nine, 2004 and its amendments. The detail of this transaction is as follows: 1. Transaction Date Wattanapat Samui
following business day; (b) the day of the closing of the register of unitholders for payment of dividends, to be announced within the following business day; and (c) the business day before the day of the