Limited and its subsidiaries had the operation results for the six-month period ended June 30, 2019 with the following details: unit: THB million 2019 2018 Change (THB million) Change (%) Revenue from Sales

Public Company Limited and its subsidiaries had the operation results for the 3-month period ended 31 March 2020 with the following details: unit: THB million 2020 2019 Change (THB mill.) Change

-2019 can be shown in the following table: Balance by Quarter Change Q2–19 Q1–19 Q2–18 Q2–19 VS Q1–19 Q2–19 VS Q2–18 (Million Baht: MB) (MB) % (MB) % Revenue from Sales, Service and Construction contracts

Fabrication and Other Services. As at 30 June 2019, the Group has backlog for construction service in oil and gas sector totaling of 1,814.43 Million Baht. On 18 July 2019, the Company also notify the project

gross profit margin. Operating Results and Capabilities to Make Profit Performance from revenues, costs and expenses which has significant impact in Q3-2019 can be shown in the following table: -2

Services) 228.47 162.77 65.70 40.36 519.87 315.33 204.54 64.87 - Civil & Building Service 212.36 114.95 97.41 84.74 414.43 215.72 198.71 92.11 - Fabrication and Other service 116.03 92.93 23.10 24.86 209.25

Sort by: Relevance Date (Newest) Date (Oldest) 19004900.pdf Piping (SMP) and Electrical and Instrument service, 3. Civil and Building service. 4. Fabrication and Other service. For the Group’s 2017

Services) 162.77 79.06 83.71 105.89 315.33 132.40 182.93 138.16 - Civil & Building Services 114.94 84.08 30.86 36.72 215.72 158.92 56.80 35.74 - Fabrication and Other services 92.94 5.88 87.06 1,480.78

540.30 341.86 198.44 58.05 - Fabrication and Other service 281.46 137.77 143.69 104.30 Cost of construction contracts (1,851.87) (1,241.09) 610.78 49.21 Gross profit 182.59 145.99 36.59 25.06 Other income

- Fabrication and Other services 41.42 39.91 1.51 3.78 254.14 48.31 205.83 426.06 Cost of construction contracts (447.80) (311.70) 136.10 43.66 (1,308.05) (955.05) 352.99 36.96 Gross profit 48.34 33.17 15.17