good operating results, with satisfactory income and profits that are higher than expected and has increased revenue from the year 2020. In 2021, most of the company's revenue comes from large projects

from sales & service 719.81 853.77 -133.96 -15.7% Other income 5.57 6.29 -0.72 -11.4% Total revenue 725.38 860.06 -134.68 -15.7% Cost of goods sold & service 638.35 743.25 -104.90 -14.1% Selling expenses

projects with signed contract of work value of Baht 13.20 million and one of them has been already implemented and a total of revenue was expected to be recognized in this current year. Other Income The

Revenue from sales & service 793.67 839.34 -45.67 -5.4% 2,531.58 2,397.25 134.33 5.6% Other income 9.58 5.96 3.62 60.7% 23.60 19.70 3.90 19.8% Total revenue 803.25 845.30 -42.05 -5.00% 2,555.18 2,416.95

% Other income 7.46 9.58 -2.12 -22.1% 20.29 23.59 -3.3 -14.0% Total revenue 799.05 803.25 -4.20 -0.5% 2,510.04 2,555.17 -45.13 -1.8% Cost of goods sold & service 692.70 674.63 18.07 2.7% 2,177.71 2,178.15

812.92 114.52 14.1% 1,737.91 1,557.90 180.01 11.6% Other income 8.03 7.16 0.87 12.2% 14.42 14.18 0.24 1.7% Total revenue 935.47 820.08 115.39 14.1% 1,752.33 1,572.08 180.25 11.5% Cost of goods sold

-2.3% Other income 7.79 8.03 -0.24 -3.0% 12.82 14.42 -1.60 -11.1% Total revenue 852.18 935.47 -83.29 -8.9% 1,710.98 1,752.33 -41.35 -2.4% Cost of goods sold & service 741.76 802.70 -60.94 -7.6% 1,485.01

- Dec 2019 Apr - Dec 2018 Change % Change Revenue from sales & service 634.48 791.59 -157.11 -19.9% 2,099.99 2,489.75 -389.76 -15.7% Other income 4.96 7.46 -2.50 -33.5% 14.89 20.29 -5.40 -26.6% Total

1,465.51 -535.02 -36.5% Other income 3.28 4.68 -1.60 -34.2% 8.14 9.94 -1.80 -18.1% Total revenue 522.19 750.37 -228.18 -30.4% 938.63 1,475.45 -536.82 -36.4% Cost of goods sold & service 454.43 658.94 -204.51

- Sept 2019 Apr - Sept 2018 Change % Change Revenue from sales & service 745.69 844.39 -98.70 -11.7% 1,465.51 1,698.16 -232.65 -13.7% Other income 4.68 7.79 -3.11 -39.9% 9.94 12.82 -2.88 -22.5% Total