1/2 RC 57/18 6 November 2018 Subject : Report on the Company’s operating results for the third quart er of the year 2018 Attention : President of the Stock Exchange of Thailand The Board of Directors

(Translation) IR 003/20 February 28, 2020 President and Director The Stock Exchange of Thailand Subject : To explain the

(Translation) IR 003/19 February 27, 2019 President and Director The Stock Exchange of Thailand Subject : To explain the

business operator, (iii) an audit firm where the SEC-approved auditors work, (iv) the Stock Exchange of Thailand or its subsidiary whose shares are held by the SET at least 75%, or (v) a service provider

) To: Managing Director The Stock Exchange of Thailand Reference: Report of Information Memorandum on the Acquisition of Assets, Ratification for investment in Carnival Magic Project by Subsidiary In

-Translation- Ref. IR 62/005 March 13, 2019 Subject: transaction yDisclosure of the information regarding related part To : President, The Stock Exchange of Thailand T.K.S. Technologies Public

NEP 045-2562 12 September 2019 Subject: The Sale of the machines to connected person (Add Information) To: President The Stock Exchange of Thailand The resolution of the Board of Directors’ Meeting

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

Page 1 of 4 May 11, 2018 Subject : Operating Result Quarter 1 Ending March 31, 2018 To : The President The Stock Exchange of Thailand WICE Logistics Public Company Limited would like to clarify the

external factors which are uncontrollable, e.g., the price of securities based on the last market price thereof by the Stock Exchange of Thailand or the over-the-counter center is incorrect. If the cause of