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:

Guarantor

Jurisdiction of Organization

Appalachian Real Estate LLC

Delaware

Antero Minerals LLC

Delaware

Antero Subsidiary Holdings LLC

Delaware

Monroe Pipeline LLC

Delaware

MU Marketing LLC

Delaware