(“Company”) and its subsidiaries (“The Group”) would like to clarify operating results for the 3rd quarter of 2019 as follows: 1. Performance Analysis 2019 2018 % 2019 2018 % Revenue from steel tower

1: Overall Financial Performance Unit: mb Q1 18 % Q1 19 % Change % YoY Revenue 131.45 100.0% 132.54 100.0% 1.09 0.8% Cost 75.00 57.1% 73.41 55.4% (1.59) (2.1%) Gross Profit 56.45 42.9% 59.13 44.6

”) would like to explain major factors that affect Y2019 consolidated operating results as follows: ▪ MDX has only THB 27.36 million of land-sale revenue in 2019 from about 8 rai of land title deed transfer

Microsoft Word - MDA Q220 EN August 10, 2020 To President The Stock Exchange of Thailand Subject Notification on the difference of revenue from sales and net profit YOY by more than 20 percent

total revenue from the other clients thereof. 7. Safeguards against independence impairment of the partners in the Audit Firm Please explain the safeguard against independence impairment of the partners

clients other than the listed above and receives the non-audit services fee representing ...... percent of the total revenue from the other clients thereof. 7. Safeguards against independence impairment of

+ (-) % Total revenue 20,778.00 24,680.00 (15.81) Revenue from Sale 19,535.00 23,592.00 (17.20) Cost of sales 12,079.00 15,415.00 (21.64) GROSS PROFIT 7,456.00 8,177.00 (8.82) Selling and Administrative Expenses

December 31, 2017 + (-) % Total revenue 132,427.65 95,599.22 38.52 Revenue from Sale 127,813.63 90,492.00 41.24 Cost of sales 76,977.28 57,183.36 34.61 GROSS PROFIT 50,836.35 33,308.64 52.62 Selling and

September 30, 2018 + (-) % Total revenue 36,407.00 38,098.00 (4.44) Revenue from Sale 31,254.00 36,561.00 (14.52) Cost of sales 18,319.00 21,811.00 (16.01) GROSS PROFIT 12,935.00 14,750.00 (12.31) Selling and

financial statement as follows: Quarter 1 / year 2016 Quarter 1 / year 2017 Change Million Baht % Million Baht % Million Baht % Sales revenue - net 132.07 90.28% 108.37 92.86% -23.70 -17.95 % Revenue from