Presstek Sees Strong Demand for its Sustainable Print Solutions at Graph Expo 2007

HUDSON, NH—Sept. 18, 2007—Presstek, Inc. (Nasdaq: PRST), the leading manufacturer and marketer of digital offset printing business solutions, continued to build momentum and furthered its presence in the industry with a strong showing at Graph Expo 2007, North America’s largest industry trade show. During Graph Expo, Presstek demonstrated how print service companies in today’s changing print market can increase their ability to be more capable, profitable and competitive with its digital offset solutions. Presstek demonstrated how its environmentally friendly Presstek DI® digital offset presses and true chemistry-free computer-to-plate (CTP) systems can help print businesses achieve superior quality color printing faster and more profitably. During the four-day event, Presstek took orders for 16 DI presses, two of which came from La Crosse Litho Supply, LLC, Presstek’s recently appointed Midwestern dealer. These orders, in combination with CTP orders from Graph Expo, should result in revenues of more than $6 million.