Page 5 of 16 – SEC Filing
Schedule 13D
The reporting persons named in Item 2 below are hereby jointly filing this Schedule 13D (this Schedule 13D) because, due to
certain affiliations and relationships among the reporting persons, such reporting persons may be deemed to beneficially own some or all of the same securities directly or indirectly acquired from the Issuer (defined below) by one or more of the
reporting persons. In accordance with Rule 13d-1(k)(1) promulgated pursuant to the Act, the reporting persons named in Item 2 below have executed a written agreement relating to the joint filing of
this Schedule 13D, a copy of which is annexed hereto as Exhibit A.
Item 1. Security and Issuer
This Schedule 13D relates to the common units representing limited partner interests (the common units) and subordinated units
representing limited partner interests (the subordinated units, and together with the common units, the units), of Oasis Midstream Partners LP, a Delaware limited partnership (the Issuer). The principal executive
offices of the Issuer are located at 1001 Fannin Street, Suite 1500, Houston, Texas 77002.
Item 2. Identity and Background
(a) This Schedule 13D is being filed jointly by each of the following persons:
(i) OMS Holdings LLC, a Delaware limited liability company (OMS Holdings);
(ii) Oasis Petroleum LLC, a Delaware limited liability company (Oasis Petroleum);
(iii) Oasis Petroleum Inc., a Delaware corporation (OAS and together with OMS Holdings and Oasis Petroleum, the
Reporting Persons);
OAS is a public company and owns 100% of the equity interests of Oasis Petroleum. Oasis Petroleum owns
100% of the equity interests of OMS Holdings. OMS Holdings also owns 100% of the Class A Units of OMP GP LLC, a Delaware limited liability company and the general partner of the Issuer (the General Partner), which possesses all of
the management rights and approximately 90% of the economic benefits associated with the General Partner. The General Partner owns all of the incentive distribution rights in the Issuer (the incentive distribution rights).
OMS Holdings is a limited partner of the Issuer and the record holder of 5,125,000 common units and 13,750,000 subordinated units,
representing a 71.6% limited partner interest.
(b) The address of the principal office of each of the Reporting Persons is 1001 Fannin
Street, Suite 1500, Houston, Texas 77002.
(c) The name, residence or business address and present principal occupation or employment of
each director and executive officer of each of the Reporting Persons are listed on Schedule I hereto.
(i) OMS
Holdings principal business is to hold equity interests in certain subsidiaries that own certain gas gathering, crude oil gathering, produced water gathering, freshwater distribution and crude oil transportation assets as a wholly owned
subsidiary of Oasis Petroleum, to hold common units and subordinated units, and to hold equity interests in the General Partner;
(ii) Oasis Petroleums principal business is to engage in certain crude oil and natural gas exploration and production
activities as a wholly owned subsidiary of OAS and to hold equity interests in OMS Holdings;
(iii) OASs principal
business is crude oil and natural gas exploration and production and to hold equity interests in its subsidiaries, including Oasis Petroleum;
