Name of Company

Jurisdiction

Hess Midstream LP

Delaware

Hess Midstream Operations LP

Delaware

Hess Infrastructure Partners Holdings LLC

Delaware

Hess Infrastructure Partners LP

Delaware

Hess Midstream Holdings LLC

Delaware

Hess Midstream Partners GP LLC

Delaware

Hess Midstream Partners GP LP

Delaware

Hess North Dakota Pipelines Operations LP

Delaware

Hess North Dakota Pipelines Holdings LLC

Delaware

Hess North Dakota Pipelines LLC

Delaware

Hess Water Services Holdings LLC

Delaware

Hess Water Services LLC

Delaware

Tioga Midstream, LLC

Delaware

Hess TGP Operations LP

Delaware

Hess TGP Holdings LLC

Delaware

Hess Bakken Processing LLC

Delaware

Hess Tioga Gas Plant LLC

Delaware

Hess LM4 Plant LLC

Delaware

Little Missouri 4 LLC

Delaware

Hess Mentor Storage Holdings LLC

Delaware

Hess Mentor Storage LLC

Delaware

Hess North Dakota Export Logistics Operations LP

Delaware

Hess North Dakota Export Logistics Holdings LLC

Delaware

Hess North Dakota Export Logistics LLC

Delaware

Hess Tank Cars Holdings LLC

Delaware

Hess Tank Cars LLC

Delaware

Hess Tank Cars Holdings II LLC

Delaware

Hess Tank Cars II LLC

Delaware