a privilege for us to have Director-General of the Revenue Department, Satit Rungkasiri as a panelist on ?New Tax Policy and Directions that Listed Companies Should Know.? The SEC believes that the

(the “Company”) would like to notify the Stock Exchange of Thailand regarding the business operation for the 3rd Quarter of the year 2019 ended 30 September 2019 as follows; Total Revenue The Company has

“Company”) would like to notify the Stock Exchange of Thailand regarding the business operation for the 2nd Quarter of the year 2018 ended 30 June 2018 as follows; Total Revenue The Company and subsidiary

(the “Company”) would like to notify the Stock Exchange of Thailand regarding the business operation for the 3rd Quarter of the year 2018 ended 30 September 2018 as follows; Total Revenue The Company and

ended 3 0 th September 2 0 2 0 , the company had construction and service revenue of 722.76 THB mn, a decrease from the same period of year 2019 by 464.13 THB mn or equivalent to a decrese of 39 . 1 0

million which details are as following; (1) Revenue from sales In the second quarter of 2019, the Company and its subsidiaries had total revenue from sales at the amount of Baht 509.73 million, which

Q3–2020 Balance by Quarter Change Q3–20 Q2–20 Q3–19 Q3–20 VS Q2–20 Q3–20 VS Q3–19 (Million Baht: MB) (MB) % (MB) % Total Revenue 2,241.1 1,187.6 1,798.9 1,053.5 88.7 442.2 24.6 Total Operating Expenses

construction compared with revenue from construction 92.62 % 92.87 % - (0.27) 1.3 Revenue from sales and services - Real Estate Development - Concrete products and others 71.13 MB 164.15 MB (93.02) MB (56.67

was decreased by Baht 15.89 million which details are as following; (1) Revenue from sales In the first quarter of 2019, the Company and its subsidiaries had total revenue from sales at the amount of

Infrastructure Business, followed by the revenues from Telecommunications Infrastructure Business. The gross profit margins for the periods were 22.19% and 20.56% respectively. The increase in revenue in Q3/2019