Investor Relations Department Mativ Holdings, Inc. 100 North Point Center East, Suite 600 Alpharetta, GA 30022-8246
Mark Chekanow, CFA 770-569-4229 investors@mativ.com
American Stock Transfer and Trust Company www.amstock.com
Computershare P.O. Box 505000 Louisville, KY 40233 Contact Center: Toll Free U.S. and Canada: (877) 498-8847 For the hearing impaired: (800) 231-5469 Foreign Shareholders: (201) 680-6578 TDD Foreign Shareholders: (201) 680-6610 www.computershare.com/investor
Please call Computershare Shareowner Services at 877-498-8847