Discussion & Analysis Q4/2021 Operating Highlights in Q4/2021 Q4/20 Q4/21 Change +/(-) 2020 2021 Change +/(-) (THB million) %YoY %YoY Operating Revenue 207 188 (9%) 768 620 (19%) Gross Profit 127 112 (12%) 468

Year 2020 and 2019 In the third quarter of the year 2020, the Company had the net profit attributable to equity holders of the Company in the amount of Baht 822 Million, when compared to net profit of

of March 31, 2024, which can be summarized as follows: 1) Profit & Loss Analysis : Q1 2024 (3 Months) (Unit : Million Baht unless otherwise stated) Q1 2024 Q1 2023 Change Amount % Change Total Revenues

follows. The net profit of the Corporate Group for Year 2017 was Baht 411.61 million. In comparison with the previous year with the net profit of Baht 392.03 million, the net profit increased by Baht 19.58

% Amount % Q1-18 VS Q1-17 Q1-18 VS Q4-17 Sales Revenue 12,528 100.0 12,127 100.0 12,698 100 3.3 (1.3) Gross profit 2,731 21.8 3,218 26.5 3,106 24.4 (15.1) (12.1) Operating profit 1,020 8.1 1,377 11.4 1,363

) Gross profit The Company and its subsidiaries’ total gross profit were Baht 6.27 million, which decreased from the same period of previous year by Baht 38.75 million or 86.08%, due to delay in work

ended 31 December 2019, which revenue and net profit has changed more than 20% from the last year as follows: Statement of Comprehensive Income Unit: Million Baht 31 December 2019 31 December 2018

(“the Company”) and its Subsidiary (“the Group”) would like to clarify the change in operating result for the first quarter ended 31 March 2019, which changed in revenue and net profit compared with the

98.79 85.40 15.68 Net Profit Margin 63.18% 57.38% Selling Administrative Expenses 43.86 44.91 - 2.34 Selling Administrative Expenses Margin 44.40% 52.59% Net Profit for the Period 13.87 1.65 740.61 Net

all business sectors. Thai economy has been pressured from weak in tourism sector, consumption, and export sectors. However, Thailand continues easing country lockdown measures phase by phase since May