Austin Shanfelter

Mr. Shanfelter served from 2001 to 2008 as a member of the Board of Directors of MasTec, Inc. (NYSE: MTZ), a publicly traded specialty contractor, and as a special consultant from 2007 to 2008. Mr. Shanfelter served as Chief Executive Officer and President of MasTec from 2001 to 2007. From 2000 to 2001, Mr. Shanfelter was MasTec’s Chief Operating Officer. Prior to being named Chief Operating Officer, he served as President of one of MasTec’s service offerings from 1997 to 2000.

Mr. Shanfelter has been in the telecommunications infrastructure industry since 1981. Mr. Shanfelter has been a member of the Society of Cable Television Engineers since 1982 and the National Cable Television Association since 1991. Mr. Shanfelter is a former President of the Power and Communications Contractors Association (“PCAA”). Mr. Shanfelter is a former member of the Board of Directors of Patriot National Inc. (NYSE: PN) an insurance services company, and former Chairman of Global HR Research LLC. Mr. Shanfelter began serving as a member of the Board of Directors of Sabre Industries, a leading manufacturer of power delivery structures, in 2012. The National Association of Corporate Directors has designated Mr. Shanfelter a Governance Fellow.