) (2.4%) Gross Profit Change YoYChange QoQ Q1-2022 Q2-2022 Q3-2022 Q4-2022 Change 2021 2022 Change Percent Percent Percent Percent QoQ Percent Percent YoY Biomass Power Plant 31.6 30.4 29.0 28.1 (0.9) 33.3

days 69 72 63 Cash Conversion Cycle days 81 75 66 Finanial data and profitability ratios Sales revenues million baht 49,269 46,887 46,938 %change (%) 5.1% (0.11%) 6.51% Gross profit million baht 12,547

/2018 instead of recording in Q 4/2018. This will change the profit and loss of each quarter but will not affect to the profit and loss of the year 2018. http://www.ndrubber.co.th/ Page 3 of 3 บริษทั

%) 1,401.5 1,399.4 (0.1%) Gross Profit ChangeChange Q3-2021 Q2-2022 Q3-2022 9M-2021 9M-2022 Change Percent Percent Percent QoQ YoY Percent Percent YoY Biomass Power Plant 35.1 30.4 29.0 (1.4) (6.1) 33.1 30.4

- - 4.8 5.8 20.8% Gross Profit by Segment 465.6 471.6 463.7 (1.7%) (0.4%) 905.0 935.3 3.3% Gross Profit ChangeChange Q2-2021 Q1-2022 Q2-2022 6M-2021 6M-2022 Change Percent Percent Percent QoQ YoY Percent

from operating activities is Baht 698.9 million, decreased by Baht 641.3 million, because of decreased of profit from operation before change in operating assets and liabilities by Baht 88.0 million

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

Baht 42.05 million as summarized; -3- 1. Net cash received from operating activities is Baht 112.15 million, decreased by Baht 586.75 million, because of decreased of profit from operation before change

caused, revenue from sales of domestic and export decreased about 5% and 16% respectively. Analysis of Profit of company and its subsidiaries The Q2/2019, the company and its subsidiaries have loss for the

summarized; -3- 1. Net cash received from operating activities is Baht 17.1 million, increased by Baht 94.6 million, because of decreased of profit from operation before change in operating assets and