Contact IR

Investor Relations and Media Contact:

Investor Relations
Gentex Corporation
600 N. Centennial Street
Zeeland, MI 49464

Phone: 616.772.1590, ext. 5814

Transfer Agent:

Broadridge Corporate Issuer Solutions, Inc.
http://shareholder.broadridge.com
Phone: 844-943-0718
Email:shareholder@broadridge.com