project cost of construction and electrical engineering and increase in revenue Baht 29 million. 2. Management Service (“MS”) had an increase in gross profit for Baht 9 million. Main reason was that, in Q3

decrease of 3.0% over the same period of last year. The main reasons for the increase in net profit were the increase in the gross profit margin that expanded from 14.6% in the year of 2018 to 16.6% in the

. However, gross profit increased from 12.3% in Q1/2019 to 14.4% in Q1/2020. 2. Management Service (“MS”) had a increase in gross profit for Baht 6 million. Main reason was both client retention and new

decrease in gross profit for Baht (5.34) million. Main reason was that, in Q1/2018, the company already had a renew contract from the main repeat customer who requested the company to prepare the training

Q3/2018 %Variance 1. Main income (million THB) 1,405.14 2,290.51 (38.65%) 917.32 1,846.81 (50.33%) 2. Gross profit from sale (%) 33.40 31.80 1.60% 29.23 29.32 (0.09%) 3. Gross profit from rental and

/2021 Q1/2020 % Variance 1. Main income (million THB) 1,426.60 1,850.28 (22.90%) 805.17 1,345.14 (40.14%) 2. Gross profit from sale (%) 25.57% 30.25% (4.68%) 25.91% 28.03% (2.12%) 3. Gross profit from

% (1.45%) - - - 5. Gross profit from main income (million THB) 576.32 951.38 (39.42%) 378.80 694.14 (45.43%) (%) 31.65% 34.10% (2.45%) 28.88% 33.17% (4.29%) 6. Expenses on sales (million THB) 90.75 265.51

33.30 1.79% - - - 5. Gross profit from main income million THB 3,200.39 3,478.86 (8.00%) 2,313.55 2,656.71 (12.92%) (%) 32.15 30.92 1.23% 30.16 29.16 1.00% 6. Expenses on sales million THB 670.12 780.72

first six months of 2017 was at 7.89%, higher than 6.83% for the same period in 2016. This is because the additional construction work of Xayaburi project has lower gross profit margin than the main

profit margin. While, Q3 2017, the Group’s gross profit was 17.48 Million Baht, or 6.33% of gross profit margin. The main reason of Q3 2017 gross profit margin was lower than average of 10% because of the