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Exhibit 8.1

List of Significant Subsidiaries

The following table shows significant subsidiaries of Woodside Energy Group Ltd as of 31 December 2025.

SubsidiaryJurisdiction
Woodside Energy LtdAustralia
Woodside Burrup Pty LtdAustralia
Woodside Finance LimitedAustralia
Woodside Energy Scarborough Pty LtdAustralia
Woodside Energy Global Holdings Pty LtdAustralia
Woodside Energy Holdings (Resources) Inc.United States of America
Woodside Energy Resources Inc.United States of America
Woodside Energy USA Operations Inc.United States of America
Woodside Energy Holdings LLCUnited States of America
Woodside Energy (Deepwater) Inc.United States of America