X0306 4 2023-01-15 0 0000066382 MILLERKNOLL, INC. MLKN 0001202921 VOLKEMA MICHAEL A 855 EAST MAIN AVENUE P.O. BOX 302 ZEELAND MI 49464 1 0 0 0 Phantom Stock 2023-01-15 4 A 0 7699 22.73 A Common Stock 7699 12534.1503 D Each share of phantom stock is the economic equivalent of one share of common stock. The shares of phantom stock become payable, in shares of common stock, at the election of the reporting person made in accordance with the company's director deferred compensation plan. The Number of Derivative Securities Beneficially Owned reflected in Table II of this form include shares acquired through participation in the MillerKnoll, Inc. Director Deferred Compensation Plan, which satisfies the exemption of Rule 16b-2. By: Jacqueline H. Rice For: Michael A. Volkema 2023-01-18