-2021 6M-2020 6M-2021 Change THB Mn THB Mn THB Mn %QoQ %YoY THB Mn THB Mn %YoY Sales of goods and services 1,139.5 1,214.9 1,284.4 5.7% 12.7% 2,255.2 2,499.3 10.8% Revenue from finance lease under power

(“the Group”) as follow: Q3-2020 Q2-2021 Q3-2021 9M-2020 9M-2021 Change THB Mn THB Mn THB Mn %QoQ %YoY THB Mn THB Mn %YoY Sales of goods and services 1,182.8 1,284.4 1,362.8 6.1% 15.2% 3,438.0 3,862.1

1 / 2 IR.019/2017 15 August 2017 Re: Clarification on the change of profit and loss statement To President The Stock Exchange of Thailand T Engineering Corporation Public Company Limited (the

Increase (Decrease) % Change Revenues from sales and services 344.69 178.62 166.07 92.97 Other revenues 3.05 1.09 1.96 179.82 Total revenues 347.74 179.71 168.03 93.50 Costs of sales and services 245.56

operating result change Excess 20% (Additional) Dear Sirs, We would like to report financial operating result for financial year ended June 30, 2019 as followings: 1. Our net loss before tax is 103.23 Million

, which came from costs of sales, distribution costs and administrative expenses control, Change in recognition of depreciation of right-of- use asset pursuant Thai Financial Reporting Standards No. 16

income and cost of sales resultin g in the operating income until the gross profit being reported differently from the previous periods Operating Highlights in Q3/2019 Q3/18 Q2/192 Q3/19 Change +/(-) 9M/18

Analysis (MD&A) 3 Q2/2020 Operating Results Overall operating results of the Company and its subsidiaries (unit: THB million) Q2/19 Q1/20 Q2/20 change +/(-) 6M/19 6M/20 Change +/(-) YoYYoY QoQ Operating

. Statement of Comprehensive Income Total Revenues (Million Baht) Quarterly Change Nine-month End September 30, Change 3/2017 3/2016 % 2017 2016 % Revenue from sales Domestic sales 111.5 139.9 (20.3) 352.9

would like to clarify the change in operating results Quarter 3 Ending September 30, 2018 with details as follows: Unit : million baht Statement of financial position For three months until end of June 30