income and cost of sales resultin g in the operating income until the gross profit being reported differently from the previous periods Operating Highlights in Q3/2019 Q3/18 Q2/192 Q3/19 Change +/(-) 9M/18

business was adversely affected by purchasing from pipe laying projects; waiting for bidding, waiting for contract signing, and pending to start the work after contract signing. Besides, cost of HDPE resin

, increased by Baht 200 million or 28% from Q4/2017. The increase is mainly due to the rise in sales of electricity to Electricity Generating Authority of Thailand (EGAT) as the COD of both phases of IRPC Clean

that bolstered purchasing power. Government expenditure also plays important role in sustaining the economy with fixed expenses continuing to expand in comparison to the same period last year, especially

14.5% 115.67 14.5% 108.54 13.5% -6.2% -11.9% Other income 63.52 7.5% 66.33 8.3% 67.76 8.4% 2.2% 6.7% Sales profit 0.88 0.1% 0.02 0.0% 0.02 0.0% 0.0% -97.7% Profit before finance cost and income tax

period of 2018 which has a net profit of 36.77 million baht, an increase of 33.41 million baht or an increase of 90.84 percent by significant changes are as follows - The company has sales revenue of

Quarter performance Unit: Million Baht 2019 2018 Sales Revenue 1,723.97 1,863.61 Cost of Sales 1,616.25 1,797.16 Gross Margin 107.72 66.45 Profit (loss) on exchange rates 31.98 72.27 Other Incomes 9.16

period of 2019 which has a net profit of 17.52 million baht, an increase of 24.31 million baht or an increase of 138.72 percent by significant changes are as follows - The company has sales revenue of

: M THB 3Q2018 3Q2017 %YoY 2Q2018 %QoQ 9M/2018 9M/2017 %YoY Sales Revenue 3,704 5,180 -28% 4,236 -13% 12,571 14,253 -12% EBITDA 289 211 37% 137 111% 637 750 -15% EBITDA Margin (%) 7.8% 4.1% 3.7% 3.2

Microsoft Word - MDA FY19 EN.docx February 24, 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