Paul J. Korus has been a director of Whiting Petroleum Corporation since September 2020. Mr. Korus serves as Chair of Whiting’s Audit Committee and is also on Whiting’s Nominating and Governance Committee. Mr. Korus was the Senior Vice President, Chief Financial Officer of Cimarex Energy Co. from 2002 until his retirement in 2015, and held the same positions with its predecessor, Key Production Company, from 1999 through 2002. He began his oil and gas career in 1982 with Apache Corporation, where he held positions in corporate planning, information technology and investor relations. Mr. Korus has more than 35 years of oil and gas industry experience and brings strong financial and accounting expertise. He holds a Bachelor of Science degree in Economics and a Master of Science degree in Accounting from the University of North Dakota.