Gentex Declares Quarterly Cash Dividend

ZEELAND, Mich., May 25, 2006 -- Gentex Corporation , the Zeeland, Michigan-based manufacturer of automatic-dimming automotive rearview mirrors and commercial fire protection products, today declared a regular quarterly cash dividend of $0.09 (9 cents) per share that will be payable July 21, 2006, to shareholders of record of the common stock at the close of business on July 7, 2006. The ex-dividend date is July 5, 2006. Due to the required period of time for the settlement of stock trades, this means that a holder must have purchased shares of Gentex common stock on or before July 3, 2006, in order to receive this cash dividend.

Founded in 1974, Gentex Corporation (The Nasdaq Stock Market: GNTX) is an international company that provides high-quality products to the worldwide automotive industry and North American fire protection market. Based in Zeeland, Michigan, the Company develops, manufactures and markets interior and exterior automatic-dimming automotive rearview mirrors that utilize proprietary electrochromic technology to dim in proportion to the amount of headlight glare from trailing vehicle headlamps. Many of the mirrors are sold with advanced electronic features, and approximately 95 percent of the Company's revenues are derived from the sales of auto-dimming mirrors to nearly every major automaker in the world.