% 100.00% 100.00% Cost of sales (90.36 ) (76.18 ) (14.18 ) 18.61% (74.35%) (69.32%) Gross Profit 31.17 33.72 (2.55 ) (7.56%) 25.65% 30.68% Other income 4.87 3.20 1.67 52.19% 4.01% 2.91% Distribution costs

year of 2019 and more efficient cost management that caused selling and administrative expense to decrease by 1.5% from the year of 2018. For the branches expansion in the year of 2019, the company

% 141.84% Cost of sales (64.14) (90.36) 26.22 (29.02%) (74.86%) (105.46%) Gross Profit 21.54 31.17 (9.63) (30.90%) 25.14% 25.65% Other income 5.06 4.87 0.19 3.90% 5.91% 4.01% Distribution costs (17.79

%) 100.00% 148.40% Cost of sales (34.89 ) (48.06 ) 13.17 (27.41%) (76.73%) (105.71%) Gross Profit 10.58 19.41 (8.83 ) (45.50%) 23.27% 28.77% Other income 3.02 2.78 0.24 8.53% 6.64% 4.12% Distribution costs

total expenses of 646.45 Million Baht as 174.24 Million Baht decreased from year 2019 which has total expense of 820.69 Million Baht or 21.23 percent by following reasons:  Cost of sales products of

% Sales and administrative expenses -24.65 -26.19 1.54 -5.9% -75.00 -75.79 0.79 -1.0% Financial cost -1.66 -1.48 -0.17 11.7% -5.36 -4.75 -0.61 12.8% Income tax expense -1.02 0.48 -1.50 -310.5% -2.25 -1.50

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