EX-22.1 2 oas-ex221xlistofguaran.htm EX-22.1
Exhibit 22.1
List of Guarantor Subsidiaries
The following subsidiaries of Oasis Petroleum, Inc. (the "Issuer") were, as of March 31, 2020, guarantors of the Issuer's Senior Notes:

Entity |  | Jurisdiction of Formation
Oasis Midstream Services LLC |  | Delaware
Oasis Petroleum LLC |  | Delaware
Oasis Petroleum Marketing LLC |  | Delaware
Oasis Petroleum North America LLC |  | Delaware
Oasis Petroleum Permian LLC |  | Delaware
Oasis Well Services LLC |  | Delaware
OMP GP LLC |  | Delaware
OMS Holdings LLC |  | Delaware