Wasco Berhad Integrated Annual Report 2023

Notes to the Financial Statements FOR THE FINANCIAL YEAR ENDED 31 DECEMBER 2023 9 INVESTMENT IN SUBSIDIARIES (CONTINUED) Details of subsidiaries are as follows: Group’s effective interest Country of incorporation Principal activities 2023 % 2022 % Wasco Energy Ltd. 100 100 Bermuda Investment holding Wasco Management Services Sdn. Bhd. 100 100 Malaysia Provision of management support services Wasco Capital Pte. Limited - -c Singapore Investment and management of treasury activities ~Wasco (Australia) Pty. Ltd. 60 60 Australia Provision of construction services for the oil and gas industry # Wasco Coatings Limited 100 100 Hong Kong, SAR Investment holding * Wasco Coatings UK Ltd. 100 100 England and Wales Investment holding * Wasco Coatings Singapore Pte. Ltd. 100 100 Singapore Investment holding ~Turn Key Pipeline Services B.V. 100 100 The Netherlands Provision of engineering design, construction, installation services and supply of equipment for pipe coating plant and facilities for the oil and gas industry Wasco Infra Services Sdn. Bhd. -i 91 Malaysia Engineering, procurement and construction of onshore and near shore of hydrocarbon, water and slurry pipelines and associated facilities * Eco Consortium Sdn. Bhd. -i 86 Malaysia Dormant * Wasco Coatings Middle East QFZ LLC 60 60 State of Qatar Provision of anti-corrosion and concrete weight coating of pipelines to the oil and gas industry Wasco Coatings Services Sdn. Bhd. 100 100 Malaysia Provision of pipe coating and related services to the oil and gas industry # Wasco Coatings Norway AS -g 100 Norway Dormant * Wasco Coatings Europe B.V. 100 100 The Netherlands Provision of pipe coating and related services to the oil and gas industry Integrated Annual Report 2023 208

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