Quixote Corporation Declares Semiannual Dividend

CHICAGO, May 18, 2005 -- Quixote Corporation today announced that the Company's Board of Directors declared its regular semiannual dividend of $0.18 per share. The dividend is payable on July 6, 2005 to all shareholders of record on June 6, 2005. This represents the 26th consecutive semiannual cash dividend paid by the Company to holders of its common stock.

Quixote Corporation, (http://www.quixotecorp.com/), through its wholly- owned subsidiaries, Quixote Transportation Safety, Inc., Quixote Traffic Corporation and Quixote Transportation Technologies, Inc., is the world's leading manufacturer of energy-absorbing highway crash cushions, electronic wireless measuring and sensing devices, weather forecasting stations, computerized highway advisory radio transmitting systems, intelligent intersection control systems, automated red light enforcement systems, mobile and permanent variable electronic message signs, flexible post delineators and other transportation safety products.