Wah Seong Corporation Berhad Annual Report 2018

Group’s effective interest 2018 % 2017 % Country of incorporation Principal activities * PT Wasco Engineering International 100 100 Indonesia Consulting services, rental, repair and maintenance of natural gas industry equipment * WS Engineering & Fabrication Pte. Ltd. 100 100 Singapore Design, engineering and fabrication of oil and gas processing and compression systems and equipment ~ Wasco Engineering Australia Pty. Ltd. 100 100 Australia Dormant * WS Engineering Equipment Pte. Ltd. 100 100 Singapore Leasing of equipment and provision of operation and maintenance, and other related services to the oil and gas industry ~ Mackenzie Hydrocarbons (Australia) Pty. Ltd. 100 100 Australia Provision of engineering consultancy and fabrication services * WS Engineering Technologies Pte. Ltd. 92 92 Singapore Engineering and fabrication of oil and gas systems and equipment # PT. Wasco Engineering Indonesia 87 87 Indonesia Provision of engineering, design, fabrication and construction services for oil and gas industry Wasco Engineering & Technology Inc. 65 65 British Virgin Islands Dormant (In Member’s Voluntary Winding Up) * Wasco E&P Services Limited 100 100 Hong Kong, SAR Investment holding * WSN Investments Limited 100 100 Hong Kong, SAR Dormant * Wasco China International Limited 100 100 Hong Kong, SAR Investment holding * Ashburn Offshore Oil & Gas Equipment & Engineering (Tianjin) Co. Ltd. 65 65 People’s Republic of China Design and manufacturing of products to the oil and gas industry * Ashburn International Trade (Tianjin) Co. Ltd. 65 65 People’s Republic of China International trade, processing and assembling, storage of bonded goods and development of high technological products and consultancy services Jutasama Sdn. Bhd. 100 100 Malaysia Contracting of industrial engineering projects Mackenzie Industries Sdn. Bhd. 60 60 Malaysia Undertaking of steam boilers and energy system projects Jutasama Jaya Sdn. Bhd. 100 100 Malaysia Dormant PMT Energy (Labuan) Ltd. 100 100 Federal Territory of Labuan, Malaysia Investment holding NOTES TO THE FINANCIAL STATEMENTS FOR THE FINANCIAL YEAR ENDED 31 DECEMBER 2018 7 INVESTMENT IN SUBSIDIARIES (CONTINUED) Details of subsidiaries are as follows (continued): ANNUAL REPORT 2018 121