X0306 4 2023-03-07 0 0000913142 BELDEN INC. BDC 0001967061 Lieser Brian C/O BELDEN INC. 1 N. BRENTWOOD BLVD., 15TH FLOOR SAINT LOUIS MO 63105 0 1 0 0 EVP, Indust. Automation Solut. Common Stock 2023-03-07 4 A 0 2057 0.00 A 18192 D Common Stock 172.7128 I By 401(k) Plan Stock Appreciation Rights 85.77 2023-03-07 4 A 0 4418 0.00 A 2033-03-07 Common Stock 4418 4418 D Represents a grant of RSUs granted by the Company's Compensation Committee on March 7, 2023. The RSUs will vest on March 7, 2026. 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. One-third of the SARs will vest on the first (3/7/2024), second (3/7/2025), and third (3/7/2026) anniversaries of the grant. /s/ Brian E. Anderson, attorney-in-fact for Brian Lieser 2023-03-09