X0306 4 2020-07-01 0 0000913142 BELDEN INC. BDC 0001632666 Anderson Brian Edward C/O BELDEN INC. 1 N. BRENTWOOD BLVD., 15TH FLOOR SAINT LOUIS MO 63105 0 1 0 0 SVP, Legal, GC and Corp. Sec. Common Stock 2020-07-01 4 A 0 2296 0.00 A 20263 D Common Stock 2020-07-02 4 A 0 3011 0.00 A 23274 D Represents a grant of RSUs approved by the Belden Compensation Committee equal to the amount of cash compensation foregone by the officer from May to December 2020, divided by the average price of Belden stock for the 90-day period ending on the grant date ($33.2119). The RSUs are scheduled to vest equally over the first three anniversaries of the grant date, but may vest earlier in the cases of retirement, death, disability or upon a qualifying termination following a change in control. Represents a $100,000 grant of RSUs by the Belden Compensation Committee that was contingent on the successful closure of the divestiture of the Grass Valley live media business, which occurred on July 2, 2020. The number of RSUs was determined by dividing $100,000 by the average price of Belden stock for the 90-day period ending on the grant date ($33.2096). The RSUs are scheduled to vest on July 2, 2023, but may vest earlier in the cases of retirement, death, disability or upon a qualifying termination following a change in control. /s/ Brian E. Anderson 2020-07-06