X0407 4 2023-05-03 0 0000066382 MILLERKNOLL, INC. MLKN 0001202921 VOLKEMA MICHAEL A 855 EAST MAIN AVENUE P.O. BOX 302 ZEELAND MI 49464 1 0 0 0 0 Common Stock 2023-05-03 4 P 0 60200 16.6145 A 187086.428 D Common Stock 6681.376 I by Spouse The price reported represents the weighted average price. Shares were purchased in several lots with prices ranging from $16.49 through $16.62. The reporting person undertakes to provide to the company, any security holder of the company or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. The amount of shares directly owned includes 130.428 shares acquired via dividend reinvestment since the January 19, 2022, filing on Form 4 pursuant to a dividend reinvestment plan, sponsored by a broker-dealer, that essentially mirrors a dividend reinvestment plan sponsored by the registrant. The amount of shares indirectly owned includes 4.376 shares acquired via dividend reinvestment since the January 19, 2022, filing on Form 4 pursuant to a dividend reinvestment plan, sponsored by a broker-dealer, that essentially mirrors a dividend reinvestment plan sponsored by the registrant. By: Jacqueline H. Rice For: Michael A. Volkema 2023-05-05