May 25, 2017 Subject: Notification on the Acquisition of Assets of AAPICO Hitech Public Company Limited To: The President The Stock Exchange of Thailand Enclosure: Information Memorandum Concerning the

19.9939 25/02/2022 20.065 0.0711 19.9939   246016952202-1 EMC Miss Chinsiree Leenabunjong Disposition Stock 5.0127 0.0142 4.9984 21/09/2021 5.0127 0.0142 4.9984   246013372109-1 EMC CAPITAL ENGINEERING

Notification of the Capital Market Supervisory Board No. TorJor 20/2551 Re: Rules on Entering into Material Transactions Deemed as Acquisition or Disposal of Assets and the Notification of the Stock Exchange of

The Stock Exchange of Thailand Enclosures: 1. Information Memorandum on the Offering of Newly Issued Ordinary Shares to Specific Investors (Private Placement) at the Offering Price with a Discount of

connected person pursuant to the Notification of the Capital Market Supervisory Board No. TorChor. 21/2551 Re: Rules on Connected Transactions and the Notification of the Board of Governors of the Stock

– Translation – No. FSS.CS 20/2561 April 27, 2018 Subject: The Disposition of the Remaining Investment in Joint Venture Company To: President The Stock Exchange of Thailand As Finansia Syrus

October 2017 Subject: Notification of the Board of Directors No. 9/2017 on the Company Investment in SUT Hydro Company Limited To: The President The Stock Exchange of Thailand Pursuant Following Hydrotek

process Condition The afor maximum Share A Company 1/003 Acquisitio : Presiden The Stoc ng to the Bo y”) convened nix Insurance of total paid- isition of shar Name f Business ered Capital p Capital ction

capital : 138,600,000 THB diving by 6,300,000 shares with stock value THB 22 per share  No. of shares purchased : 405,000 shares  Price per share : Approximate 22.222222 THB (price based on Book Value as

Notification of the Capital Market Supervisory Board No. TorChor. 21/2551 re: Rules regarding Connected Transaction and the Notification of the Board of Governor of the Stock Exchange of Thailand re: Disclosure