144 0001418317 XXXXXXXX LIVE 0000048287 HNI CORP 001-14225 600 EAST SECOND STREET - PO BOX 1109 MUSCATINE IA 52761-7109 5632727400 Bridges Marshall H Former Officer Common Fidelity Brokerage Services LLC

900 Salem St Smithfield RI 02917

25553 1278239.27 47804011 02/14/2025 NYSE Common 02/16/2022 Restricted Stock Vesting Issuer N 1824 02/16/2022 Compensation Common 02/15/2024 Restricted Stock Vesting Issuer N 2046 02/15/2024 Compensation Common 02/16/2024 Restricted Stock Vesting Issuer N 20011 02/16/2024 Compensation Common 06/06/2024 Stock Option Exercise Issuer N 1672 06/06/2024 Cash N Marshall H. Bridges

600 East Second Street P.O. Box 1109 Muscatine IA 52761-0071

Common 02/04/2025 19681 944521.48 02/14/2025 11/06/2024 /s/ Corey Walter, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Marshall H. Bridges