reference. Notification of the Securities and Exchange Commission No. Kor Thor. 19/2563 Re: Determination of Types of Financial Services of Person Approved to Participate in Regulatory Sandbox to Experiment

August 28, 2019 Re: Clarification of the operating results of company and its subsidiaries for the year ended December 31, 2017 To: Boards and Managements The Stock Exchange of Thailand K.C. Property

1/4 August 28, 2019 Re: Clarification of the operating results of company and its subsidiaries for the year ended December 31, 2017 To: Boards and Managements The Stock Exchange of Thailand K.C

1 / 4 IR.013/2018 19 July 2018 Re: The Information of a Disposition of Assets (Land sale) (Amendment) To President The Stock Exchange of Thailand T Engineering Corporation Public Company Limited (the

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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

1 August 17, 2018 Subject: Capital Increase for Offering for Sale to Specific Investors (Private Placement), Connected Transaction, Amendments to Articles of Association/Objectives of the Company and

by government agencies, state enterprises established by specific law which are not companies whose shares are listed on the Stock Exchange or traded in the securities trading center, the Financial

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