Unit Corporation announced the changes to its senior management team: David Merrill has stepped down from his position as President and has also resigned from the Board of Directors; Frank Young has stepped down from his position as Executive Vice President of Unit Petroleum. The Company also promoted David P. Dunham to Senior Vice President and Chief Operating Officer. In his new role, Mr. Dunham will be responsible for the day-to-day operations and business development of the Company. Mr. Dunham joined the Company in November 2007 as its Director of Corporate Planning. He was promoted to Vice President of Corporate Planning in January 2012. He has served as the Company’s Senior Vice President of Business Development since August 2017.