-month period ended 30 June Change % Change 2 / 5 Operating results by business for the three-month period ended 30 June 2019 • Decrease in gross profit was mainly derived from the following reasons: 1

1 / year 2018 Change Million Baht % Million Baht % Million Baht % Sales revenue - net 108.37 92.86% 107.94 93.48% (0.42) -0.39 % Revenue from contract works 7.14 6.12% 6.40 5.54% (0.75) -10.48

: THB million 2019 2018 Change (THB million) Change (%) Revenue from External Customers 315.74 342.33 -26.59 -7.77% Total Revenue 317.11 343.75 -26.63 -7.75% Net Profit for the Period 29.74 35.01 -5.28

comprehensive income for the year ended 31 December (Unit : Million Baht) 2017 2016 Change % Change Operating revenue 1,580.25 1,411.68 168.58 11.94% Operating cost 1,335.73 1,217.44 Gross profit 244.53 194.24

Change Million Baht % Million Baht % Million Baht % Sales revenue - net 406.55 91.50% 361.42 91.88% (45.13) -12.49 % Revenue from contract works 32.46 7.31% 26.40 6.71% (6.06) -22.96% Revenue from service

/ year 2016 Quarter 3 / year 2017 Change Million Baht % Million Baht % Million Baht % Sales revenue - net 321.11 92.14% 288.17 93.39% -32.94 -10.26% Revenue from contract works 23.25 6.67% 16.90 5.48

President The Stock Exchange of Thailand K.C. Metalsheet Public Company Limited (“the Company”) would like to clarify the operating result of the financial statement as follows: year 2016 year 2017 Change

Income as of third quarter of 2019 per following table: (THB) Million 3Q19 3Q18 9M19 9M18 Total Revenues 130.55 124.06 392.30 392.98 Total Expenses (120.99) (120.70) (372.77) (365.21) Shares of Profit

to be recognized in 2018. (Unit : Million Baht) 2018 2017 Change % Change Operating revenue 406.54 351.36 55.18 15.70% Operating cost 337.23 293.88 Gross profit 69.31 57.49 11.83 20.58% Gross profit

Limited and its subsidiaries had the operation results for the six-month period ended June, 2017 with the following details: unit: THB million 2017 2016 Change (THB million) Change (%) Revenue from Sales