) million or (2%) from Baht 383 million in Q2/2019 to Baht 374 million in Q2/2020. The main decrease was derived from the engineering service. • Overall gross profit margin increased from 9.1% to 15.0% or

Period As Of Details GENERAL ENGINEERING PUBLIC COMPANY LIMITED 2023 Reviewed Company Q2 30/06/2023 GENERAL ENGINEERING PUBLIC COMPANY LIMITED 2023 Reviewed Consolidated Q2 30/06/2023 GENERAL ENGINEERING

derived from the management service and engineering service.  Overall gross profit margin decreased from 17.0% to 11.9% amount Baht (16.37) million. 2019 2018 Revenue 443.24 406.54 36.70 9.0% Cost 390.30

Period As Of Details CAPITAL ENGINEERING NETWORK PUBLIC COMPANY LIMITED 2023 Reviewed Consolidated Q2 30/06/2023 CAPITAL ENGINEERING NETWORK PUBLIC COMPANY LIMITED 2023 Reviewed Company Q2 30/06/2023

Year Receive Date Details UNIMIT ENGINEERING PUBLIC COMPANY LIMITED 2022 30/03/2023 UNIMIT ENGINEERING PUBLIC COMPANY LIMITED 2021 31/03/2022 UNIMIT ENGINEERING PUBLIC COMPANY LIMITED 2020 01/04/2021

(not yet delivered to the owner) at April 30, 2020 are as follows; Quantity (Projects) Amount (Million Baht) Power Electrical Engineering System 35 2,096.09 Telecommunication & Signaling 6 1,012.30

the revenue of the engineering service and trading revenue first recognized in 2018. • The gross profit increased by Baht 17 .83 million or increased 1 6 % ; from Baht 110 .53 million to Baht 128.36

decrease was derived from the engineering service. • Overall gross profit margin increased from 11.9% to 13.8% at the same amount Baht 53 million. 2020 2019 Revenue 382 443 (61) -14% Cost 329 390 Gross

) from the current ex-shareholders holding in the amount of 500,000 shares; a par value of THB 100 per share or 100 percent of paid-up registered capital plus newly ordinary shares in the amount of 300,000

Engineering Company Limited of 83.14 million baht. The Board of Directors had thoroughly considered to approve the investment in IGEN Enginnering Company Limited (“IGE”) since April 18, 2018 according to the