X0508 4 2024-02-21 0 0000913142 BELDEN INC. BDC 0001585545 Zink Doug 1 NORTH BRENTWOOD BOULEVARD, 15TH FLOOR SAINT LOUIS MO 63105 0 1 0 0 VP and CAO 0 Common Stock 2024-02-21 4 A 0 1900 0.00 A 8401 D Common Stock 2024-02-21 4 A 0 919 0.00 A 9320 D Common Stock 855.4843 I By 401(k) Plan On February 16, 2021, the Reporting Person received a grant of 1,423 performance stock units ("PSUs"). Following the three-year performance period, a conversion factor of 1.95 was approved by the Company's Compensation Committee on February 21, 2024 and applied to the PSUs, resulting in an award of 2,768 shares, subject to tax withholding. The number in this cell reflects the after-tax number of shares delivered to the Reporting Person. Represents a grant of RSUs granted by the Company's Compensation Committee on February 21, 2024. The RSUs will vest on or about February 21, 2027. Additional terms apply in the event of the holder's termination, death, disability or retirement. Represents the balance of shares of Belden Inc. common stock held in the Belden Retirement Savings Plan as of the date of this filing. /s/ Doug Zink 2024-02-23