Regulation FD Disclosure (Form 8-K)

As previously disclosed, on August 3, 2025, HNI Corporation ("HNI") entered into an Agreement and Plan of Merger (the "Merger Agreement") with Steelcase Inc., Geranium Merger Sub I, Inc. and Geranium Merger Sub II, LLC.

At 11:59 p.m. Eastern time on October 31, 2025, the waiting period under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended ("HSR Act"), expired. The expiration of the HSR Act waiting period is a condition to the closing of the transactions contemplated by the Merger Agreement. The completion of the transaction is subject to the satisfaction or waiver of certain other customary conditions, including the required shareholder approvals.

The information in this report is being furnished pursuant to Item 7.01 of Form 8-K and is not deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), is not subject to the liabilities of that section and is not deemed incorporated by reference in any filing under the Securities Act, as amended, or the Exchange Act.