252 WASCO BERHAD SECTION 6 FINANCIAL STATEMENTS NOTES TO THE FINANCIAL STATEMENTS FOR THE FINANCIAL YEAR ENDED 31 DECEMBER 2025 8 INVESTMENT IN SUBSIDIARIES (CONTINUED) Details of subsidiaries are as follows (continued): Group’s effective interest 2025 % 2024 % Country of incorporation Principal activities Wasco Pipe Sabah Sdn. Bhd. 70 70 Malaysia Manufacturing and sales of spiral welded pipes for the oil and gas industry Wasco Engineering Group Limited 100 100 British Virgin Islands Investment holding * Wasco Engineering International Ltd. 100 100 British Virgin Islands Leasing of compressors and power generators, designing, engineering and fabrication and sale of gas processing and compression systems and gas based power generators; and servicing and selling parts of oil and gas processing and compression systems * WS Engineering & Fabrication Pte. Ltd. 100 100 Singapore Design, engineering and fabrication of oil and gas processing and compression systems and equipment * WEGL Offshore Investments Pte. Ltd. 100 100 Singapore Investment holding * WEGL Investments Pte. Ltd. 100 100 Singapore Investment holding * PT. Wasco Resources Indonesia 100 100 Indonesia Investment and property holding * 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 * WS Engineering Technologies Pte. Ltd. 100 100 Singapore Engineering and fabrication of oil and gas systems and equipment # PT. Wasco Engineering Indonesia 100 100 Indonesia Provision of engineering, design, fabrication and construction services for oil and gas industry
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