Form 4 Filing for Mayville Engineering Company, Inc.

This filing details transactions related to Mayville Engineering Company, Inc. (MEC) securities. Jay O. Rothman, a director, acquired 5,959 Director Deferred Stock Units with a transaction value of $0.0. These units are linked to the company's Common Stock. Following this transaction, Rothman holds 71,451 such units. Additionally, Rothman directly owns 24,721 shares of MEC's Common Stock. The filing also includes a power of attorney document, authorizing representatives to execute and file necessary SEC forms on behalf of Rothman regarding his holdings and transactions in MEC securities. This authorization remains in effect until Rothman is no longer required to file such documents or until explicitly revoked.