Subsidiaries Statement of comprehensive income Ending Year Ending Year Unit : Baht 31 Dec 2017 31 Dec 2016 Sale & Service Revenues 154,719,798.54 101,952,065.29 Cost of Goods & Services (126,747,874.90

PUBLIC COMPANY LIMITED ASIAN INSULATORS PUBLIC COMPANY LIMITED ASIAN MARINE SERVICES PUBLIC COMPANY LIMITED ASIAN PHYTOCEUTICALS PUBLIC COMPANY LIMITED ASIAN SEA CORPORATION PUBLIC COMPANY LIMITED ASN

.(Dec.) % Inc.(Dec.) Services income 62.06 76.71 14.65 23.61% 126.87 155.72 28.85 22.74% Cost of rendering of services (49.49) (54.54) (5.05) 10.21% (100.51) (111.11) (10.59) 10.54% Gross profit 12.58

mainly due to increased demand in telecommunication product such as set-top-box and printer products compared to previous year. 2. Cost of sales For the first quarter ended 31 March 2019, the Company’s

revenue was mainly derived from both computer peripherals and telecommunication products such as set-top-box, the hard disk drive products and printer products as compared to previous year The COVID-19

.pdf Baht (7.18) million because we recognize revenue from construction engineering with lower gross profit margin than electrical and telecommunication engineering service. 2. Management Service (“MS

million or 3.2% compared to the same period of last year which were net loss of Baht 15.5 million, due reason to the following reasons: 1. Revenue from sales and services decrease from prior year by Baht

reasons. 1. The company and its subsidiaries had revenue from sales and services amounted of Baht 454.09 million compared with the same period of year 2019 revenues from sales and services amounted of Baht

.) 9M2023 9M2024 Inc.(Dec.) % Inc.(Dec.) Services income 91.59 77.65 (13.94) -15.22% 218.46 233.37 14.91 6.82% Cost of rendering of services (67.57) (53.18) 14.39 -21.30% (168.09) (164.29) 3.80 -2.26% Gross

engineering service. However, gross profit margin of engineering service decreased from 23. 90% to 17. 66%. The revenue of telecommunication engineering has declined due to high competition and high gross