Credit Event

Whiting Petroleum Corporation

Event Publicly Available Information:

Auction Settlement Terms

Final Auction Settlement Terms – Whiting Petroleum Corporation – Issue 2020040101

Auction Timeline

Common Event Determination Date: April 1, 2020

Auction Date: May 6, 2020

Auction Settlement Date: the later of three Business Days after the Auction Final Price Determination Date and May 11, 2020

Deliverable Obligations

Final List of Deliverable Obligations – Whiting Petroleum Corporation – Issue 2020040101

Revised Auction Information

Americas DC Decision – Issue Number 2020040101 (Whiting Petroleum Corporation) – 4/21/20

Revised Auction Information with respect to Whiting Petroleum Corporation was published on 21 April, 2020. Please note that the Auction Date was changed to May 6, 2020 (from April 29, 2020).