Marc Nelson, the global controller and chief accounting officer of Cambium Networks Corporation (the "Company"), will resign his employment and all officer positions with the Company effective upon the commencement of employment of his successor, expected in September 2022. Mr. Nelson has agreed to remain available on a consultancy basis to assist with the transition. On August 12, 2022, the Company reached agreement with Mr. John M. Becerril, age 55, to join the Company as Global Controller and Chief Accounting Officer (Principal Accounting Officer) effective September 1, 2022.

Mr. Becerril joins the Company from Elkay Manufacturing, a privately held global plumbing products manufacturing company where he was senior director and corporate controller from February 2019 to the present. Elkay Manufacturing recently merged with Zurn Water Solutions to create Zurn Elkay Water Solutions. From May 2018 to February 2019 Mr. Becerril was corporate controller at Durvant, LLC, a global packaging equipment manufacturing company, and from May 2004 to May 2018, he held various positions of increasing responsibility for accounting and finance with Cabot Microelectronics Corporation, a publicly traded company and leading supplier of CMP polishing slurries and CMP pad supplier to the semiconductor industry, including director of accounting from July 2013 to May 2018 and assistant corporate controller from March 2007 to July 2013.

Mr. Becerril holds a B.S. degree in Accounting from Northeastern Illinois University, Chicago and an M.B.A. from Loyola University of Chicago, Quinlan School of Business.