information which is material to shareholders’ decision making. In addition to the information prescribed in (1), there shall be at least the following particulars: 1. objectives of an offer for sale of

concealing material facts which should have been stated in any documents which shall be disclosed to the public or submitted to the Securities and Exchange Commission, the Capital Market Supervisory Board or

Material Transactions Deemed as 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

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

entering into Material Transactions Deemed as Acquisition or Disposal of Assets and Notification of the Board of Governors of the Stock Exchange of Thailand Re: Disclosure of Information and other Acts of

investment grade in compliance with the rules under such Notification; (2) corporate bonds issued by a trust whose units are listed securities on the Stock Exchange of Thailand; (3) newly issued corporate

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

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

., and Schedule for the EGM of Shareholders No. 1/2019 (Revised2) To: The President The Stock Exchange of Thailand Enclosure: 1. Information Memorandum of Hydrotek Public Company Limited on Disposal of

., 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