William P. Noglows — Chairman at Cabot Microelectronics Corporation

Mr. William P. Noglows, also known as Bill, served as the President and Chief Executive Officer of Cabot Microelectronics Corporation from November 3, 2003 to December 31, 2014. Mr. Noglows served as an Executive Vice President and General Manager of GAM Technology Co Ltd. He served as a General Manager of Carbon Black of Cabot Corporation since January 2000. Mr. Noglows served as a Vice President of Cabot Corporation from February 1994 to March 1998, Director of Global Manufacturing since November 1997 and General Manager of Cab-O-Sil Division from November 1992 to November 1997. Mr. Noglows served as an Executive Vice President of Cabot Corporation since March 1998. Prior to joining Cabot Microelectronics, Mr. Noglows served in various management positions at Cabot Corporation from 1984 to 2003. Mr. Noglows is a 35-year veteran of the specialty chemical industry, with an emphasis on meeting the demanding requirements of the technology industry on a global basis. He has been Chairman of Cabot Microelectronics Corporation since November 3, 2003. He has been a Director of NuMat Technologies, Inc. since November 16, 2017. He serves as Lead Independent Director of Littelfuse, Inc. He has been an Independent Director of Littelfuse Inc. since February 5, 2007. He has been Director of Aspen Aerogels, Inc. since June 18, 2014. He has been a Director of Cabot Microelectronics Corporation since November 3, 2003. He served as a Director of Aspen Aerogels, Inc. from January 2011 to April 29, 2013. He served as an Outside Director of Cabot Microelectronics Corp. from December 1999 to April 2002. He holds a BS in chemical engineering from the Georgia Institute of Technology.