increase in selling expenses was in line with the percentage increase in sales such as transfer fee, specific tax, commission and other fees etc. However, selling expenses of total sale in 1Q2019 was 16.9

Administrative Expenses increased THB 106.59 million, 17.89%. The percentage increase in selling expenses was in line with the percentage increase in sales. However, selling expenses of total sale in 2017

in the future. Shareholders Shareholder’s Name Shares before increase Percentage Increase in capital Shares after Percentage Eureka Design Public Company Limited Joint Venture Ureka UU Project 1

For three months until end of September 30 2018 Ratio 2018 Ratio 2017 Ratio Increase / (Decrease) Amount Amount Service revenue 429.18 100% 486.67 100% 369.51 100% 117.16 31.71 Other income 6.53 1.52

June 30 2018 Ratio 2018 Ratio 2017 Ratio Increase / (Decrease) Amount Percentage Service revenue 385.75 100% 429.18 100% 355.70 100% 73.48 20.66 Other income 1.43 0.37% 6.53 1.52% 0.88 0.25% 5.64 639.18

Ratio 2017 Ratio Increase / (Decrease) Amount Ratio Service revenue 1,832.11 100.00% 1,396.37 100.00% 435.74 31.21 Other income 18.00 0.98% 5.96 0.43% 12.04 202.01 Cost of service 1,454.70 79.40% 1,054.29

the year ended 31 March 2019 Ratio 2018 Ratio Increase / (Decrease) Amount Ratio Service revenue 480.92 100% 385.75 100% 95.17 24.67 Other income 2.06 0.43% 1.43 0.37% 0.63 44.08 Cost of service 404.10

months ended 30 September 2019 Ratio 2018 Ratio Increase / (Decrease) Amount Ratio Service income 590.71 100% 486.67 100% 104.05 21.38 Cost of service 492.01 83.29% 385.15 79.14% 106.86 27.75 Gross Profit

June 2019 Ratio 2018 Ratio Increase / (Decrease) Amount Ratio Service revenue 537.80 100% 429.18 100% 108.62 25.31 Other income 8.39 1.56% 6.53 1.52% 1.86 28.53 Cost of service 460.91 85.70% 331.19 77.17

Determining Proportion of Directors of Derivatives Exchange and Prohibited Characteristics of Directors of Derivatives Exchange and Derivatives Clearing House