สารสนเทศข่าว มติ BOD 5-60 20171129En No. NDR013/2017 Subject Resolution of the Board of Directors’ Meeting To President The Stock Exchange of Thailand Enclosure 1. Information Memorandum on the
meeting with specific offering price and approved by the Securities and Exchange Commission (“ For details, please see Information Memorandum regard investors (Private Placement) (Enclosure 4. Approved to
Securities and Exchange Commission is required in accordance with the relevant notification of the Capital Market Supervisory Board. The allocation of the newly issued shares to the specific investors (Private
September 2017 Subject: Notification of the Board of Directors No.8/2017 and the date of the Extraordinary General Meeting of Shareholders No. 1/2017 (Amended) To: The President The Stock Exchange of Thailand
Acquisition. To: The President The Stock Exchange of Thailand Enclosure 1. Information Memorandum on the Acquisition of Assets of Hydrotek Public Company Limited 2. Capital Increase Form (F 53-4) 3. Information
specific persons through private placement shall be approved by the shareholder’s meeting with specific offering price and approved by the Securities and Exchange Commission (“ For details, please see
approval from the an approval from the Office of the Securities and Exchange Commission (―SEC‖) to offer the newly issued ordinary shares to the private placement investor pursuant to the Notification No
June 12, 2018 Subject Increase of Registered Capital, Allocation and Offering of the Newly Issued Ordinary Shares to a Specific Investor (Private Placement), Application for Waiver from the Requirement