Exhibit 21.1

 

SUBSIDIARIES OF ANTERO MIDSTREAM GP LP

 

Name of Subsidiary

 

Jurisdiction of Organization

Antero IDR Holdings LLC

 

Delaware

Antero Midstream Partners GP LLC

 

Delaware

Antero Midstream Partners LP

 

Delaware

Antero Midstream LLC

 

Delaware

Antero Water LLC

 

Delaware

Antero Treatment LLC

 

Delaware

Antero Midstream Finance Corporation

 

Delaware

Arkrose Midstream NewCo Inc.

 

Delaware

Arkrose Midstream Merger Sub LLC

 

Delaware

Arkrose Midstream Preferred Co LLC

 

Delaware