Osotspa Public Company Limited Q3’18 and 9M18 Management Discussion & Analysis 14 November 2018 Q3’18 and 9M18 Management Discussion & Analysis Page 1/7 Financial Highlights Q3’18 profit attributable

million Baht from last year. This would support the overall performance of the Company further in the future. In 2018, the Company was able to pursue a remarkably success in distress debt management

14,211 million Baht from last year. This would support the overall performance of the Company further in the future. In 2018, the Company was able to pursue a remarkably success in distress debt management

due to the fixed cost on salaries for the production that was not able to occupy full capacity. Page 2 of 3 (3) Gross profit The Company and its subsidiaries’ gross profit was of Baht 10.23 million

Summary Significant Event Operating Highlights in Q1/2023 Q2/22 Q2/23 Change +/(-) 1H/22 1H/23 Change +/(-) (THB million) %YoY %YoY Operating Revenue 230 299 30% 428 563 32% Gross Profit 147 192 31% 267 361

1 / 2 IR.017/2019 13 August 2019 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

million baht lower than the nine-month period for 2018 by 9.4 percent. The reason for the Company’s incurred a lower net loss are the Company is able to manage higher gross margin and a reduction of

Million Baht % Million Baht % Million Baht % Revenues from sales 0.00 0.00 354.55 99.15 (354.55) (100.00) Cost of sales 0.76 31.02 188.13 52.61 (187.37) (99.60) Gross profit (loss) (0.76) (31.02) 166.42

, increasing 7.5% YoY  Net profit was Bt583mn, increasing 7.4% YoY  Number of “Boonterm kiosk” was 130,053, increasing 4.3% YoY  Total usage amount was Bt41,980mn, increasing 16.1% YoY  Total average number

decrease in Raw water revenue of the household customers. The company was still able to control the cost effectively. Gross profit margin increased to 61.86%. This was mainly due to: - Raw water cost