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

Supervisory Board No. Tor Jor. 61/2561 Re: Offer for Sale of Debt Securities of Thai Government Agencies _________________ By virtue of Section 16/6 of the Securities and Exchange Act, B.E. 2535 (1992), as

February 18, 2019 To: The President The Stock Exchange of Thailand Re: 2018 operating results We, Delta Electronics (Thailand) Public Company Ltd, would like to notify the Company’s 2018 operating

the Agenda of the Extraordinary General Meeting of the Shareholders No. 1/2019. (Amendment 3) To : The Directors and Managing Director. The Stock Exchange of Thailand. The Board of Director‟s Meeting of

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Securities and Exchange Commission No. Sor Ror. 25/2558 Re: Entries and Contents of the Trust Instrument of Infrastructure Trusts ___________________ By virtue of Section 9 and 15 of the Trust for Transactions

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

Director, schedule date for the Extraordinary General Meeting No.2/2017 (Revised) To: The President, The Stocks Exchange of Thailand According to the Board of Directors’ Meeting of World Corporation Public

of 420 MW (contract capacity of 350 MW) with the well-known business partner in Vietnam, Xuan Cau group. The project is pursuing the 20-year Power Purchase Agreement with Electricity of Vietnam (EVN

group of companies that identifies the shareholding proportions and the voting rights (if different from the shareholding proportions). In case of a subsidiary formed by a joint venture agreement with