. Q3/2019’s total earnings were solely from the Company and not its subsidiaries. The changes are as follows: The Q3/2019 contract revenue is Baht 168 million, a decrease of Baht 164 million (49%) from

1 / 2 IR.022/2017 13 November 2017 Re: Clarification on the changes of Profit and Loss Statement To President The Stock Exchange of Thailand T Engineering Corporation Public Company Limited (the

(Auto 11 Lines) Fax: +66(0)2-192-3744 Page 1 of 2 -Translation- No. ED-MD19-002 28th February 2019 Subject : Clarification of changes in excess of 20% in the operating results for year ended 2018 To

between April and June 2019 with the details below. Summary of Income Statement for 3 months period (Unit: Million Baht) For the second quarter Changes Year 2019 Year 2018 Amount Percent Revenue from Sales

1 / 2 IR.009/2018 14 May 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 (the

Nine 30, 2018 2017 Changes % 2018 2017 Changes % Revenues : Revenues from sales and services 192.37 204.87 (12.50) (6.10) 683.59 702.79 (19.20) (2.73) Other income 2.76 9.06 (6.30) (69.54) 26.49 26.25

months period (Unit: Million Baht) For the third quarter Changes Year 2019 Year 2018 Amount Percent Revenue from Sales and Services 50.19 80.83 (30.64) (37.90) Cost of Sales and Services 55.86 94.11 (38.25

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

period (Unit: Million Baht) For the second quarter Changes Year 2020 Year 2019 Amount Percent Revenue from Sales and Services 66.05 78.18 (12.13) (15.52) Cost of Sales and Services 60.06 70.67 (10.61

results (Unit : 1,000 Baht) Q2 ended 30th June % changes 2020 2019 Increase (decrease) Sales 143,788 134,591 6.83 Total revenues 165,612 333,418 (50.33) Cost of sales 132,505 152,878 (13.33) Selling and