Oasis Investment Holdings LLC - Dec 29, 2021 Form 3 Insider Report for Oasis Midstream Partners LP (OMP)

Role: 10%+ Owner
Signature: /s/ Nickolas J. Lorentzatos, Executive Vice President, General Counsel and Corporate Secretary of Oasis Investment Holdings LLC
Stock symbol: OMP
Transactions as of: Dec 29, 2021
Transactions value $: $0
Form type: 3
Date filed: 1/7/2022, 07:30 PM

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	OMP	Common Units Representing Limited Partner Interests						12M	Dec 29, 2021	Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	This Form 3 is being jointly filed by Oasis Investment Holdings LLC ("OIH") and Oasis Petroleum North America LLC ("OPNA"). OPNA directly owns 12.7% of the outstanding membership interests in OIH and OMS Holdings LLC ("OMS Holdings") directly owns the remaining 87.3% of the outstanding membership interests in OIH and is the managing member of OIH. Oasis Petroleum LLC ("Oasis Petroleum") directly owns 100% of the outstanding membership interests in each of OMS Holdings and OPNA, and Oasis Petroleum Inc. ("OAS") directly owns 100% of the outstanding membership interests in Oasis Petroleum. Accordingly, OAS, Oasis Petroleum, OMS Holdings and OPNA may be deemed to be indirect beneficial owners of any securities held by OIH.
F2	On December 29, 2021, OMS Holdings contributed 12,000,000 common units representing limited partner interests in Oasis Midstream Partners LP to OIH pursuant to that certain Contribution Agreement, dated as of December 29, 2021, by and between OMS Holdings and OIH.

Content

This Form 3 is being jointly filed by Oasis Investment Holdings LLC ("OIH") and Oasis Petroleum North America LLC ("OPNA"). OPNA directly owns 12.7% of the outstanding membership interests in OIH and OMS Holdings LLC ("OMS Holdings") directly owns the remaining 87.3% of the outstanding membership interests in OIH and is the managing member of OIH. Oasis Petroleum LLC ("Oasis Petroleum") directly owns 100% of the outstanding membership interests in each of OMS Holdings and OPNA, and Oasis Petroleum Inc. ("OAS") directly owns 100% of the outstanding membership interests in Oasis Petroleum. Accordingly, OAS, Oasis Petroleum, OMS Holdings and OPNA may be deemed to be indirect beneficial owners of any securities held by OIH.

On December 29, 2021, OMS Holdings contributed 12,000,000 common units representing limited partner interests in Oasis Midstream Partners LP to OIH pursuant to that certain Contribution Agreement, dated as of December 29, 2021, by and between OMS Holdings and OIH.