On January 24, 2024, Mativ Holdings, Inc. announced the following executive officer appointments, effective as of January 30, 2024: Christoph Stenzel has been appointed as Group President, Filtration and Advanced Materials. Mr.Stenzel has served as President ? Filtration of the Company since the closing of the Company?s merger with Neenah, Inc. on July6, 2022.

Prior to that, he spent almost 20 years at Neenah, Inc., serving in multiple leadership roles, including Vice President, Filtration. Ryan Elwart has been appointed as Group President, Sustainable and Adhesive Solutions. Mr.Elwart joins the Company from Georgia-Pacific, where he spent the last 16 years in roles of increasing responsibility, most recently as Chief Customer Officer of Georgia-Pacific?s Consumer Products division.

Andrew Downard has been appointed as Chief Supply Chain Officer. Mr. Downard has served as Executive Vice President, Global Supply Chain of the Company since September 2022. Prior to that, Mr. Downard served as the Senior Vice President of Supply Chain, Operations, and Analytics for Apex Tool Group from 2017 to September 2022.