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 Construction

herewith the explanation and analysis of the Management for the 1st quarter of 2020 ended 31 March 2020 as follows. 1. Income, gross profit, net profit Unit : Million Baht 1. Income 2020 2019 2018 Increase

herewith explanation and analysis of the Management as follows. 1. Income, gross profit, net profit Unit : Million Baht 1. Income 2018 2017 2016 Increase (decrease) 2018-2017 1.1 Construction material 219.60

wishes to submit herewith explanation and analysis of the Management as follows. 1. Income, gross profit, net profit Unit : Million Baht 1. Income 2018 2017 2016 Increase (decrease) 2018-2017 1.1

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

the explanation and analysis of the Management for the 2nd quarter of 2020 ended 30 June 2020 as follows. 1. Income, gross profit, net profit Unit : Million Baht 1. Income 2020 2019 2018 Increase

electrical equipment, while revenue from sale telecommunication tower decrease due to the communication system 4G end of the investment. 2. Gross profit: The total gross profit of the year 2018 was Baht 460.41

amounting to THB 1.9 million due to the fact that in 2018 Company had gain from exchange rate and advertising revenue. Cost of sales or service and Gross profit Unit : THB million For the year ended 2019 2018

decrease was derived from engineering service, solar energy, and Trading business. • Overall gross profit margin decreased from 13.3% to 9.1% amount Baht (24.09) million. 2019 2018 Revenue 383.44 443.08

businesses since we focus on expanding customer base with business expertise • Overall gross profit margin increased from 9.8% to 11.3% amount Baht 45 million. 2019 2018 Change % Change Revenue 1,839 1,673 167