Company’s land To: The President The Stock Exchange of Thailand The Board of directors meeting # 8/2019 held on June 4, 2019 has a resolution to sell a piece of land to increase liquidity and reduce the

1 / 3 IR.013/2018 19 July 2018 Re: The Information of a Disposition of Assets To President The Stock Exchange of Thailand T Engineering Corporation Public Company Limited (the “Company”) would like

- Translation - Ref : LPH/SET 2018/016 August 10, 2018 Subject : Clarification on the Operating Results for the 3-month and 6-month period ended June 30, 2018 (Q2/2018) To : President The Stock

1 / 2 IR.023/2018 13 November 2018 Re: Notification of the changes of the Profit and Loss Statement To President The Stock Exchange of Thailand We, T Engineering Corporation Public Company Limited

PAGE 1 OF 3 GEL.CS.001/2564 1 March 2021 Subject: Management Discussion and Financial Analysis for the operating results of the year 2020 December 31, 2020 To: Director and Manager The Stock Exchange

attending the meeting and having the right to vote without any objection on the proposed offering 1 Market price means the weighted average price of the Company’s ordinary shares traded on the Stock Exchange

shareholders attending the meeting and having the right to vote without any objection on the proposed offering 1 Market price means the weighted average price of the Company’s ordinary shares traded on the Stock

, disclose the transaction today, simultaneously with those disclosed by IRSL to its stock exchange. The Board of Directors’ Meeting No. 1/2019 of IVL, held on January 9, 2019, resolved to approve the purchase

Executive, Invitation to Shareholders to propose agenda and nominees’ name for being the Director in advance for the Annual General Shareholder's Meeting in 2019 To The President The Stock Exchange of

Executive, Invitation to Shareholders to propose agenda and nominees’ name for being the Director in advance for the Annual General Shareholder's Meeting in 2019 (ADD) To The President The Stock Exchange of