wishes to submit herewith explanation and analysis of the Management as follows. 1. Income, gross profit, net profit Unit : Million Baht 1. Income 2019 2018 2017 Increase (decrease) 2019-2018 1.1

services and revenue from contract work. As a result, the gross profit was decreased by THB 2.7 million from the prior period and also decreased by THB 22.2 million or 6.2% decreased of gross profit margin

Gross profit 47.04 31.23 34.05 2.82 9.03 -12.99 -27.62 Profit (Loss) from exchange rate -0.21 0.54 3.24 2.70 500.00 3.45 -1,614.02 Other Income 1.46 2.1 2.02 -0.08 -3.81 0.56 38.36 Gain from bargain

183.91 Annual Net Loss 5,232.11 (131,515.55) 136,747.66 (103.98) Remeasurement of employee benefit obligations - 288.42 - - Comprehensive Profit (loss) for Period 5,232.11 (131,515.55) 136,747.66 (103.98

in the same period a year earlier. Rising by THB 39 million, its net profit in the second quarter of 2020 was THB 62 million compared with THB 23 million in the same period of last year. The Company’s

THB 23.1 million from 2018. The company’s profit for the year was THB 48.6 million, increased by THB 27.5 million, and its profit margin for the year was increased 130.6% from 2018. The main reasons for

beginning of this year which allows the Company to benefit from economies of scale. • Gross Profit margin in Q4/2022 was 62.9%, increased from 59.6% in Q4/2021, and Gross Profit margin in 2022 was 63.1

Operation : Consolidated Profit & Loss Statement 4Q 4Q % 12 mth 12 mth % Unit : THB million 2019 2018 change 2019 2018 change Revenue from non-social security 285.64 220.70 29% 1,041.26 911.16 14% Revenue

7.77 million, due to the started operation in 2017. Income tax expense reduced by Baht 1.01 million, while profit before tax increased. Which results from tax benefit of BOI certificate. ใบปะหน้า MDnA

year that gross profit margin was 15.79%. This is due to last year the Company’s benefit from steel price rise from lowest price in year 2015. 4. Administrative expenses were Baht 289.07 million