Calfrac Well Services Ltd. (Calfrac) announced that Michael J. (Mick) McNulty has been appointed as Chief Financial Officer of Calfrac, effective December 4, 2013. Mr. McNulty will report to Douglas R. Ramsay, the Chief Executive Officer of Calfrac, until Fernando Aguilar succeeds Mr. Ramsay as President and Chief Executive Officer, which as previously disclosed is scheduled to take place on January 1, 2014. As Chief Financial Officer, Mr. McNulty will manage the strategic planning process for Calfrac and will have the responsibility for the development and execution of the financial strategy that supports Calfrac's business plans.

Mr. McNulty has over 30 years of experience in the oilfield services sector, having most recently served for Saxon Energy Services Inc. as the President and Chief Executive Officer from January 2009 until April 2013 and as the Senior Vice President and Chief Financial Officer from October 2005 until December 2008. Prior thereto, Mr. McNulty was employed by Precision Drilling Corporation, serving as the Senior Vice President, Finance from June 2001 until September 2005 and as the Vice President, Business Development and Treasurer from January 1997 until June 2001. Prior to his employment with Precision Drilling Corporation, Mr. McNulty served in various financial roles with increasing responsibilities in the oilfield services sector.