On November 6, 2020, Don Hayes announced his retirement from his position as Vice President and Chief Accounting Officer of Unit Corporation, effective December 31, 2020. On the Retirement Date, Tom Sell, the Company's Interim Chief Financial Officer, will also assume the position of Chief Accounting Officer. Effective as of the Retirement Date, Mr. Hayes voluntarily resigns, and will cease to serve, as an officer of the Company and each subsidiary of the Company. Until the Retirement Date, Mr. Hayes will continue to serve the Company on a full time basis in his current officer position and will receive from the Company his normal salary and other compensation and benefits otherwise due to him, through the Retirement Date.