service of Baht 10. 93 million, whereas revenue from solar energy began to recognize in 2017 amounted to Baht 94.62 million. Nonetheless, the group’ s operating profit margin has increased because 1

increase THB 1.29 million 1.2) Revenue from selling of electricity increase THB 1.52 million or 100% due to in year 2017 Solar Power Project on Rooftop (Solar Rooftop) of Bangpakong Solar Power Co., Ltd

Company”) would like to clarify the operating result of the financial statements as follows: Quarter 1 / year 2019 Quarter 1 / year 2020 Change Million Baht % Million Baht % Million Baht % Sales revenue

million. due to the following reasons: 1. In 2018, Management put emphasis on renewing the contracts with more margin projects. 2 . Solar energy began to recognize revenue for the whole six-month month

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

management service of Baht 19. 55 million and reduction of revenue from construction service of Baht 55. 01 million, whereas revenue from solar energy began to recognize in 2017 amounted to Baht 63.88 million

there is no opening project cost in this period and increase in revenue Bath 32 million. 3. Gross profit of Solar energy (“SE”) increased Baht 1 million and the same level of gross profit margin. 4

increase in gross profit for Baht 4 million. Main reason was both client retention and new client. Moreover, gross profit margin increased from 8.9% to 9.4%. 3. Both gross profit and revenue of Solar energy

increased Baht 104 million as the following reasons: • Total revenue increased Baht 167 million or (10%) from Baht 1,673 million in 2018 to Baht 1,839 million in 2019. The increase was derived from all

quarter, the Company started to recognize revenue from Power Business (Solar Rooftop Projects) at Baht 1.4 million. Gross Profit and Gross Profit from Operation In 1Q2019, Gross Profit was Baht 183.4