X0407 4/A 2023-05-08 2023-05-30 0 0000913142 BELDEN INC. BDC 0001111849 BALK LANCE C C/O BELDEN INC. 1 NORTH BRENTWOOD BOULEVARD, 15TH FLOOR SAINT LOUIS MO 63105 1 0 0 0 0 Common Stock 2023-05-08 5 J 0 E 17750 0.00 A 95616 D Common Stock 2023-05-25 4 A 0 1690 0.00 A 97306 D Common Stock 2023-05-08 5 J 0 E 17750 0.00 D 16630 I By a grantor retained annuity trust Common Stock 2023-05-08 5 J 0 E 16630 0.00 D 0 I By a grantor retained annuity trust Common Stock 2023-05-08 5 J 0 E 16630 0.00 A 16630 I By GRAT remainder trust for benefit of spouse and adult children Common Stock 2400 I By irrevocable trust for benefit of spouse and adult children Represents a distribution from the Reporting Person's grantor retained annuity trust (GRAT) back to the Reporting Person, per the terms of the GRAT. Grant of Restricted Stock under the Company's 2021 Long Term Incentive Plan. Based on value of $150,000 divided by the closing price on the grant date, May 25, 2023 ($88.77). The restrictions associated with the shares are generally removed one year after the date of award, but are subject to accelerated removal under certain circumstances, including death, disability and retirement. Represents a distribution from the Reporting Person's grantor retained annuity trust (GRAT) to the GRAT's beneficiaries, per the terms of the GRAT. Given the Reporting Person's lack of intention to exert any power over the voting or disposition of the shares, the Reporting Person disclaims beneficial ownership of these shares beyond his pecuniary interest. /s/ Brian E. Anderson, attorney-in-fact for Lance C. Balk 2023-05-30