Chord Energy Corp — Director's Dealing 2012

Dec 27, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Oasis Petroleum Inc. (OAS)
CIK: 0001486159
Period of Report: 2012-12-26

Reporting Person: Mace Roy W (Senior VP and CAO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-12-26	Common Stock	S	60000	$31.02	Disposed	0	Indirect

Footnotes

F1: Represents weighted average price of open market same day sales. Sales of shares took place at actual prices ranging from $30.85 to $31.16 per share.

F2: Full information regarding the number of shares sold at each separate price will be provided upon request by the Commission staff, Oasis Petroleum Inc. or an Oasis Petroleum Inc. shareholder.

F3: Foundation controlled by the reporting person and his wife.