Parker Drilling Company announced the appointment of Michael (Mike) W. Sumruld as Senior Vice President and Chief Financial Officer, effective October 1, 2017. With Mr. Sumruld's appointment, Jon-Al Duplantier, Parker Drilling's Senior Vice President, Chief Administrative Officer and General Counsel will relinquish his additional responsibilities as interim CFO. Mr. Sumruld, most recently held the position of Vice President and Chief Accounting Officer from January through September 2017 at LyondellBasell Industries N.V.