: Overall Financial Performance Unit: million baht Jan-Dec 2018 % Jan-Dec 2019 % Change % YoY Revenue 523.23 100.0% 613.86 100.0% 90.63 17.3% Cost 285.52 54.6% 332.39 54.1% 46.87 16.4% Gross Profit 237.71

1: Overall Financial Performance Unit: million baht Jan-Mar 2019 % Jan-Mar 2020 % Change % YoY Revenue 132.54 100.0% 179.21 100.0% 46.67 35.2% Cost (73.41) (55.4%) (93.71) (52.3%) (20.30) 27.7% Gross

, 2020 as follows: Management Discussion and Analysis For the Nine months ended September 30, 2020 Summary of Performance Sales Revenue For the nine months ended 30 September 2019 and 2020, the Company

% from previous year as the revenue recognition on progress measurement method towards complete satisfaction of the performance obligation on construction service contract that has continuously awarded

in volume sold decreased 11.34% from same period of previous year. 2. Construction service income for the period sharply increased due to the increased in revenue from construction service in oil and

the increased in revenue from construction service in oil and gas sector 95.75% compared to previous year. However, during 2017, the Group has completed property construction service, the property

)  2019  (01/01/19  -31/12/19)  Accounting Type Consolidate Consolidate Consolidate Consolidate Consolidate Revenue From Operations 294.49 603.44 1,015.32 1,611.20 789.92 Other Income 3.70 0.59 3.03 9.39

)  2021  (01/01/21  -31/12/21)  2020  (01/01/20  -31/12/20)  2019  (01/01/19  -31/12/19)  Accounting Type Consolidate Consolidate Consolidate Consolidate Consolidate Revenue From Operations 339.92 322.66

Consolidate Consolidate Consolidate Revenue From Operations 93.77 253.84 394.87 857.61 457.06 Other Income 4.83 37.78 103.46 53.92 35.44 Total Revenues 98.60 291.63 498.32 911.53 492.82 Costs 77.91 300.49

Revenue From Operations 1,084.34 1,324.04 2,473.02 2,844.06 2,336.69 Other Income 4.17 7.95 14.89 15.70 17.83 Total Revenues 1,088.52 1,333.04 2,489.95 2,862.99 2,354.52 Costs 982.68 1,128.12 2,156.73