Position and Operating Performance of year 2022 Revenue from Sales The Company and its subsidiaries’ total revenue from sales for the year 2022 totaled 1,980.66 million baht, 2,329.81 million baht, and

: Adjusted EBITDA Margin Unit (Million Baht) 3Q/16 2Q/17 3Q/17 % YoY % QoQ 9M/2016 9M/2017 % YoY FY 2016 Sales Revenue 3,901 4,826 5,180 33% 7% 13,080 14,253 9% 17,200 EBITDA 349 228 211 -40% -7% 1,192 751 -37

following results:  Revenue Q1/2019, the Company and its subsidiaries had total revenue of 236.7 MB, increased from Q1/2018 in the amount of 23.2 MB, or 10.85 percent. (Domestic sales increased 20.07 percent

the Q1/2019, the company and its subsidiaries have the total revenue from sales in amount of Baht 2,365.6 million which is increasing from the 2018 at equivalence of Baht 64.4 million, about 3%. These

its subsidiaries had total revenue of 929.4 MB, increased from the year 2017 at 92.0 MB by 11.0 percent (by increasing from domestic sales at 15.2 percent and 8.2 percent from export sales)  Gross

and sales of construction materials The Company and its subsidiaries had revenues from construction services and sales of construction materials of Baht 29,295.94 million, representing 93.97% of total

% Amount % Q2-18 VS Q2-17 Q2-18 VS Q1-18 Sales Revenue 13,144 100.0 12,296 100.0 12,528 100.0 6.9 4.9 Gross profit 2,889 22.0 3,123 25.4 2,731 21.8 (7.5) 5.8 Operating profit 1,158 8.8 1,441 11.7 1,020 8.1

1,381 49.1% Company 1,265 1,381 (8.4%) TBSP 795 - 100% Mil THB 1,381 1,265 795 - 500 1,000 1,500 2,000 2,500 Y2017 Y2018 + 49.1% 2,060 Sales 2017 Sales TKS Sales TBSP Revenue Breakdown T.K.S. Technologies

services and sales of construction materials For the first nine months of 2019, the Company and its subsidiaries reported revenues from construction services and sales of construction materials of Baht

the year 2016. Our book value per share as at 31 December 2017 stood at 33.19 Baht Significant changing is as follows: 1) Revenue from sale in Baht 770.8 million increased by Baht 39.6 million or 5.4