average Total Equity Yours faithfully, Mr. Hiroaki Sano Managing Director Financial Ratios Q3 2018 Q3 2017 Gross profit margin 20.2% 17.7% Net profit margin 11.9% 7.4% Debt to Equity ratio 0.14 0.12

services 59.31 64.61 (5.30) (8.20) Total Costs of Sales and Services 167.80 182.83 (15.03) (8.22) Gross Profit 57.22 65.77 (8.55) (13.00) Other incomes 1.16 5.31 (4.15) (78.15) Distribution costs 18.00 17.80

and services 263.70 277.74 (14.04) (5.06) Total Costs of Sales and Services 753.19 734.65 18.54 2.52 Gross Profit 272.67 283.71 (11.04) (3.89) Other incomes 12.44 10.60 1.84 17.36 Distribution costs

the consolidated financial statements. 2 Summary of Performance For Q3 2019, the Company and its subsidiaries recorded net profit of 1,070 MTHB, increased by 445 MTHB or 71.2% comparing to Q3 2018. This

Assets Return on Equity (ROE) = Net Profit to average Total Equity Yours faithfully, (Mr. Hiroaki Sano) Managing Director

be inform accordingly, (Mr. Chaiyasit Samrittivanicha) Managing Director Q2/2016 Q1/2017 Q2/2017 Total Revenue (Million Baht) 217.56 218.95 204.10 Gross Profit Margin (%) 18.05 13.09 8.86 Net Profit

line as net profit. Please be informed accordingly. Sincerely Yours, ( Mr. Nipon Leelasithorn ) Chairman of the Executive Director, and Managing Director

แบบแสดงรายการข้อมูลสำหรับการเสนอขายหลักทรัพย์ (แบบ 69-1) 1 No. WHAUP-CS029/2018 November 09, 2018 Attention: Managing Director – Stock Exchange of Thailand Subject: Report of Financial Results for

works and services 70.25 60.73 9.52 15.68 Total Costs of Sales and Services 162.73 177.34 (14.61) (8.24) Gross Profit 52.84 65.94 (13.10) (19.87) Other incomes 1.69 2.34 (0.65) (27.78) Distribution costs

11.77 10.17 Cost of project works and services 59.11 55.76 3.35 6.01 Total Costs of Sales and Services 186.63 171.51 15.12 8.82 Gross Profit 62.89 74.55 (11.66) (15.64) Other incomes 1.97 2.48 (0.51