profit 25.35 44.08 31.23 -12.85 -29.15 5.88 23.20 Profit (Loss) from exchange rate 0.12 1.19 0.54 -0.65 -54.62 0.42 350.00 Other Income 1.26 2.13 2.1 -0.03 -1.41 0.84 66.67 Gain from bargain purchase 33.64

in revenue from sales and gross profit margin and a decrease in administrative expenses . Please be informed accordingly. Sincerely yours, -Signed- (Mr. Jittiporn Jantarach) Managing Director

Company Limited (the “Company”) would like to submit the financial statements for the fiscal year ended December 31 st , 2019, which have been audited by the independent auditor. The Company’s net profit

Company Limited (the “Company”) would like to send the financial statements for the year ended December 31 st , 2017, which have been audited by the independent auditor. The Company’s net profit decreased

แบบแสดงรายการข้อมูลสำหรับการเสนอขายหลักทรัพย์ (แบบ 69-1) 1 No. WHAUP-CFR-A-20004 August 11, 2020 Attention: Managing Director – Stock Exchange of Thailand Subject: Report of Financial Results for the

11.42 10.86 Cost of project works and services 60.73 67.77 (7.04) (10.39) Total Costs of Sales and Services 177.34 172.96 4.38 2.53 Gross Profit 65.94 80.62 (14.68) (18.21) Other incomes 2.34 1.21 1.13

แบบแสดงรายการข้อมูลสำหรับการเสนอขายหลักทรัพย์ (แบบ 69-1) 1 No. WHAUP-CS018/2562 November 08, 2019 Attention: Managing Director – Stock Exchange of Thailand Subject: Report of Financial Results for

-5170529 14 November 2017 RE: Explanation of performance for the third quarter of 2017 with a change exceeding twenty percent from the previous year. ATTN: Managing Director, Stock Exchange of Thailand

5.52 14.57 Profit before share loss from investment in joint venture and income tax 2.90 2.83 2.87 2.60 0.27 10.54 Share of loss from investment in joint venture - (1.53) - - - - Profit before income tax

แบบแสดงรายการข้อมูลสำหรับการเสนอขายหลักทรัพย์ (แบบ 69-1) 1 No. WHAUP-CS009/2562 May 09, 2019 Attention: Managing Director – Stock Exchange of Thailand Subject: Report of Financial Results for the