: President The Stock Exchange of Thailand By virtue of the resolution of the Board of Directors’ meeting of Pace Development Corporation Public Company Limited (the “Company”) No. 3/2019 dated 14 February 2019

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

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

-2338-3000 Fax: 0-2338-3334 www.nationgroup.com 25 May 2020 Subject : Notification on Resolution of the Board of Directors’ Meeting No. 6/2020, Change of Directors and Directors’ Power, Entering into

DCORP 023/2018 February 28, 2018 Subject: Report on the overall operation for year 2017 ended December 31, 2017 and the decrease in the overall operation more than 20 percent. Attention: President Stock