1 / 2 No.IR.006/2020 28 February 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

  to a decrease  in account payables.   Non‐Current  Liabilities were THB  47.83 million,  increase from THB 11.54   million as of 31 December 2019, mostly due to changes  in  accounting standards

quarter 2020 compared to the same period of 2019 To The President of the Stock Exchange of Thailand The Company would like to provide details of changes in profit and loss of the first quarter 2020 interim

Baht) Q1 ended 31 March % changes 2020 2019 Increase (decrease) Sales 123,224 169,361 (27.24) Total revenues 135,209 181,787 (25.62) Cost of sales 114,031 166,753 (31.62) Selling and administrative

% change Profit (loss) from operating activities before changes in operating assets and liabilities 94 30 +215% Profit (loss) from changes in operating assets and liabilities (48) 77 -162% Net Cash flows

: The President of the Stock Exchange of Thailand The Company would like to provide details of changes in profit and loss of the first quarter 2020 interim consolidated financial statements of Wave

period (as of June 30, 2020 and 2019, respectively). 6. Loss arising from changes in fair value of biological assets increased by Baht 4.73 million compared with the same period of the previous year

had delivery schedule during June and July last year. This result of contract revenue is lower than last year. The improvement of business performance is a consequence of the changes in strategic

: President The Stock Exchange of Thailand K. W. Metal Work Public Company Limited (the “Company”) would like to submit management discussion and analysis of significant changes for the 3-month and 6-month

: warrant or convertible debenture or other securitiesconvertible to stock. In case of group report, disclose the changes in the holding of individuals, thegroup percentage of acquisition/disposition, the