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Mr. Tanner has been a Director since September 2019 and was appointed to the Audit Committee in December 2019. Mr. Tanner served as Executive Vice President and Chief Financial Officer of Lockheed Martin Corporation from September 2007 until February 2019. Mr. Tanner joined Lockheed Martin in 1982 and, prior to being appointed Chief Financial Officer, held a variety of finance leadership positions at Lockheed Martin, including as Vice President of Finance and Business Operations, Lockheed Martin Aeronautics, from April 2006 to September 2007 and Vice President of Finance and Business Operations, Lockheed Martin Electronic Systems, from May 2002 to March 2006. Mr. Tanner is also a Director of Truist Financial Corporation (formerly SunTrust Banks, Inc.).