1 / 2 No.IR.018/2020 14 May 2020 Re: Notification of the changes of the Profit and Loss Statement To: President Stock Exchange of Thailand We, T Engineering Corporation Public Company Limited (the

Extraordinary General Meeting of the Shareholders No. 2/ 2 5 6 1 , Land purchased from the connected person and sell in investment of the subsidiary (Revised 2) Attention The President The Stock Exchange of

Stock Exchange of Thailand without the approval from the shareholders. - 5 - 2) Appointment of the Company’s Executives The Meeting approved the appointment of the Company’s Executive and the Executive

ที่ กม Translation No. Gor.Mor. 49/2560 December 20, 2017 President The Stock Exchange of Thailand Dear Madam, Approval for Selling Land for Investment Purposes The Board Meeting of O.C.C. Public

1 / 3 No.IR.003/2019 28 February 2019 Re: Notification of the changes of the Profit and Loss Statement To: President Stock Exchange of Thailand We, T Engineering Corporation Public Company Limited

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

October 30, 2020 Subject: The Management Discussion and Analysis for the year ended 31st December 2019 To: President The Stock Exchange of Thailand Well Graded Engineering Public Company Limited (“the

World Corporation Public Company Limited ( “the Company”) No.3/2018 held on April 11, 2018 at 13.00 hrs. has passed the following resolutions: 1. Has approved the financial statements for the quarter 3

’ Meeting of World Corporation Public Company Limited ( “the Company”) No.3/2018 held on April 11, 2018 at 13.00 hrs. has passed the following resolutions: 1. Has approved the financial statements for the

- Translation - LPH/SET/2017/019 August 11, 2017 To : President The Stock Exchange of Thailand The Board of Directors’ Meeting of Ladprao General Hospital Public Company Limited (the “Company” or