from Sales and Services Description Year 2020 Year 2019 Increase / (Decrease) Million Baht % of Total Revenue Million Baht % of Total Revenue Million Baht % Revenues from Sales 1,143.16 92.40 1,213.54

hereby clarifies the changes in the performance as follows: FINANCIAL PERFORMANCE FOR THE YEAR OF 2018 Consolidated Financial Statements 2017 2018 Increase/(Decrease) THB mm THB mm THB mm % Total Revenue/1

Profitability (2.1) Revenues from Sales and Services Year 2017 Year 2016 Increase / (Decrease) Description Million Baht % of Total Revenue Million Baht % of Total Revenue Million Baht % 2nd Quarter (April – June

13.58% from the same period of previous year. This was due to decrease in the delivery of pre-stressed concrete piles, post-tensioned and special cement which was Baht 101.24 million. However, the

the same period of the previous year respectively. The Company would like to clarify the significant reasons for the decrease in profits for the third quarter and nine month period of 2019 compared to

2017 increased 13.38 percent from year 2016, due to higher sale volume, higher raw material cost and expense from major overhaul in the beginning of year 2017. Comparing to 4th quarter, cost of goods

as disastrous results of creative accounting practices employed by listed companies in foreign countries (ex. Enron and Worldcom) led to an overhaul in auditor supervision where we witnessed a shift

total revenues of THB 2,407.17 million, a decrease of THB 153.73 million. Cost of sales and rendering of services was THB 1,716.07 million, an increase of THB 31.88 million. Gross margin was THB 691.10

: Financial Summary for the 3rd Quarter of the year 2020 and 2019 Unit: Million Baht Q3’2020 % Of Revenue Q3’2019 % Of Revenue Increase (Decrease) % Change Revenue from contracts with customers 15,064.3 100.0

2,827.20 million baht, a decrease of 376.90 million baht compared to the same period of year 2018, which has sales revenue of 3,204.10 million baht or 11.76 % decrease due to the economic slowdown and high