previous Quarterly To: The President The Stock Exchange of Thailand As a result of the trade war, both the United States and China have pulled the world economy down sharply and may cause a recession in the

slowdown due to the current outbreak of the Coronavirus Disease 2019 (“COVID-19”) affects businesses in all sectors, such as causing the recession, investment delay, various construction projects have

previous quarterly. To: The President The Stock Exchange of Thailand COVID-19 outbreak that pressures global economies into recession Governments around the world therefore issue stimulus measures such as

period of 10.2% to 12.3%. Anyway, the Company's selling price decreased and led to a lower revenue due to an economic recession. The Company’s other income THB 17.8 MB and THB 0.6 MB in Q2/2019 and 2018

by THB 29.59 million or equivalent to 20.22 percent due to increases in competitor and the economic downturn in the country. Gross Profit The Company’s gross profit for 1st Quarter 2017 is THB 31.00

to 13.22 percent due to increases in competitor and the economic downturn in the country. Gross Profit The Company’s gross profit for 2nd Quarter 2017 is THB 60.46 million equivalent to 27.01 percent

the global economic downturn in overall sectors as compared to previous year. 2. Cost of sales For the year 2017, the Company’s cost of goods sold was Bt. 101,016.22 million or 94.50% of sale revenues

3.69% decrease which resulted from a continuous increase in number of competitors and the economic downturn. The revenue from contract work increased by THB 1.96 million Baht or equivalent to 15.93

Profit Margin (%) -0.51 5.07 12.65 7.58 -14.92 13.16 1,289.93 • Net revenue of Q4/2018 is decreased for 27.17 million baht comparing with Q3/2018 because of the recession of the market and the price war

12.43 221.57 Net Profit Margin (%) -0.51 5.07 12.65 7.58 -14.92 13.16 1,289.93 • Net revenue of Q4/2018 is decreased for 27.17 million baht comparing with Q3/2018 because of the recession of the market