X0306 4 2020-06-10 0001738177 Cambium Networks Corp CMBM 0001779900 Sheppeck Bryan C/O CAMBIUM NETWORKS, INC. 3800 GOLF ROAD, SUITE 360 ROLLING MEADOWS IL 60008 true Senior VP, Global Sales Ordinary Shares 2020-06-10 4 P 0 4000 5.7286 A 64834 D The price reported in Column 4 is a weighted average price. The Shares were purchased in multiple transaction at prices ranging from $5.59 to $5.83, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote (1). /s/ Sally Rau, attorney-in-fact 2020-06-11