., 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

approving 535,436, Company amendme registered 4, 2019 Notificatio of the Da Capital by Director a The Stock re 1. Capita 2. Inform Existin As Nation s’ Meeting No d the significa 1. Resolv g the decreas

Meeting No. 1/2019 To President The Stock Exchange of Thailand Enclosure 1. Information Memorandum on the Asset Acquisition (Addendum 1) regarding acquisition of shares of S-TREK (Thailand) Co., Ltd. in the

Agreement which is a Connected Transaction, Appointment of the Independent Financial Advisor and Calling the Extraordinary General Meeting of Shareholders No. 2/2019 (amended) To The President The Stock

Agreement which is a Connected Transaction, Appointment of the Independent Financial Advisor and Calling the Extraordinary General Meeting of Shareholders No. 2/2019 (Amended No.2) To The President The Stock

compensation for design and construction to related person. To: Managing Director The Stock Exchange of Thailand Reference: 1. Capital Increase Report Form (F53-4) 2. Report of Information Memorandum on the

Carnival Magic Project, and compensation for design and construction to related person. (Update) To: Managing Director The Stock Exchange of Thailand Reference: 1. Capital Increase Report Form (F53-4) 2

; income (loss) from continuing operations per share; 3    total assets; total liabilities; net assets or liabilities; capital stock (excluding long term debt and redeemable preferred stock); number of

stock program, the number of stocks repurchased between the 6th December 2019 and the 5th June 2020 amounts to 19.238 million shares, for a value of THB 505 million, which equals to 1.40% of paid-up