IFA Jay Capital Advisory Company Limited SET The Stock Exchange of Thailand SEC The Securities and Exchange Commission Notification of the Acquisition or Disposition Notification of Capital Market

3344 Fax. 66 2 654 3323 No. PACE IR2019/001 Date: 28 February 2019 Subject: Explanation of the Operating Results for the year ended 31 December 2018 changing over 20% To: The President The Stock Exchange

the company was voted for the third consecutive years. However, the company’s securities has selected in the SET High Dividend 30 Index or SETHD from the Stock Exchange of Thailand which the price index

for the third consecutive years. However, the company’s securities has selected in the SET High Dividend 30 Index or SETHD from the Stock Exchange of Thailand which the price index reference 30 shares

Connected Transactions and the Notification of the Board of Governor of the Stock Exchange of Thailand Re: Disclosure of Information and Other Acts of Listed Companies concerning Connected Transactions B.E

or document submitted to the Securities and Exchange Commission, the Capital Market Supervisory Board, the SEC Office, the Stock Exchange of Thailand or investor, or [II] a collusion with others to do

., and Schedule for the EGM of Shareholders No. 1/2019 (Revised3) To: The President The Stock Exchange of Thailand Enclosure: 1. Information Memorandum of Hydrotek Public Company Limited on Disposal of

Transaction on Acquisition of Assets and Determination of the 2020 Annual General Meeting of Shareholders To: Director and Manager The Stock Exchange of Thailand Enclosure 1. Information Memorandum on the

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 Listed Companies Concerning the Acquisition and

concerning Investment of Funds; “business day” means a day on which management companies are open for normal business; “Stock Exchange” means the Stock Exchange of Thailand; “provident fund with multiple