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Mr. Murphy serves as a director and the Audit Committee Chairman of Apria Healthcare Group, Inc. since 2019. Mr. Murphy also serves as a director and the Audit Committee Chairman of Summit Materials, Inc. (“Summit”) since 2012, he is also a member of the Governance and Nominating Committee. In 2013, Mr. Murphy served as Summit’s Interim Chief Financial Officer. In addition, Mr. Murphy serves as a director and the Audit Committee Chairman of Alight Solutions since 2019. In 2012, Mr. Murphy was named a director and Audit Committee Chairman of DJO Global, Inc., he served in that capacity until 2019. In 2011, Mr. Murphy served as a director, Audit Committee and Special Committee member of Graham Packaging, Inc. until September of that year. Mr. Murphy served as Senior Vice President and Chief Financial Officer of Smurfit-Stone Container Corporation (“Smurfit-Stone”) from 2009 to 2010, where he led the financial restructuring of Smurfit-Stone during its Chapter 11 reorganization. Mr. Murphy was President and Chief Executive Officer of Accuride Corporation, Inc. (“Accuride”) and a member of its board of directors until October 2008. Mr. Murphy served as Accuride’s President and Chief Operating Officer from January 2007 to October 2007; he served as President and Chief Financial Officer from February 2006 to December 2006 and as Executive Vice President and Chief Financial Officer from March 1998 to January 2006.Mr. Murphy is a Certified Public Accountant.