159.78 (42.39) (26.53) 87.16 96.05 Cost of sales (88.33) (119.80) 31.47 (26.27) (75.24) (74.98) Gross Profit 29.06 39.98 (10.92) (27.31) 11.91 21.07 Other income 17.30 6.57 10.73 163.32 12.84 3.95

revenue from suppliers. Zen Corporation Group Public Company Limited 782/1 Soi Onnuch 17, Suanluang, Bangkok 10250 THAILAND Tel: 02-0195000 Cost of Sales and Services The cost of sales and service increased

derived from the management service and engineering service.  Overall gross profit margin decreased from 17.0% to 11.9% amount Baht (16.37) million. 2019 2018 Revenue 443.24 406.54 36.70 9.0% Cost 390.30

continues to control administrative expense in line with revenue. 4. The financial cost for three-month period and six-month period decrease in the amount of Baht 1.11 million and Baht 2.20 million

& Expense 1,222,945 643,949 578,996 89.91 Selling & Admin. Expense 257,018 165,350 91,668 55.44 Finance cost 72,753 49,709 23,044 46.36 Net profit 44,483 26,619 17,864 67.11 Net porofit margin (%) 3.50 3.96

decrease was derived from the engineering service. • Overall gross profit margin increased from 11.9% to 13.8% at the same amount Baht 53 million. 2020 2019 Revenue 382 443 (61) -14% Cost 329 390 Gross

Analysis  Total Expenses (Million Baht) Quarterly Change 1/2020 1/2019 % Cost of Goods Sold 178.8 257.2 (30.5) Temporary Shutdown Expenses 44.8 43.9 2.3 Allowance for the decline in value of inventory 6.0

Q3/2017; and the company recognized the expense from the extraordinary item of the provision from corporate income tax assessment of Sriracha Power Plant for the full amount of Baht 101 million

construction under a concession arrangement 131.3 398.1 215.0 126.1 (88.9) (41.3%) 104.6 870.5 765.9 732.2% Cost of sales and services (788.7) (796.3) (822.9) (788.4) (34.5) (4.2%) (3,324.7) (3,196.3) (128.4

5.79 1,074.58 (7.61) Service income 45.58 50.83 11.52 122.00 140.02 Other income 18.54 20.71 11.68 15.35 (25.88) Total revenues 1,163.59 1,234.62 6.10 1,211.93 (1.84) Cost of sales and services 959.24