Exhibit 22.1

List of Guarantor Subsidiaries

The following subsidiaries of Antero Resources Corporation (the “Company”) were, as of December 31, 2023, guarantors of the Company’s 5.00% senior notes due 2025:

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Guarantor

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Jurisdiction of Organization

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Appalachian Real Estate LLC

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Delaware

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Antero Minerals LLC

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Delaware

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Antero Subsidiary Holdings LLC

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Delaware

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Monroe Pipeline LLC

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Delaware

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MU Marketing LLC

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Delaware

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