Presstek to Showcase its Market-Leading Business Solutions That Address Today’s Changing Print Landscape at Graph Expo 2007

Presstek Celebrates 20 years of Innovation and Highlights its Digital Offset Printing Solutions, Offering a Smarter Way to Print Higher Quality, Faster and More Profitably

HUDSON, NH—Sept. 5, 2007—Presstek Inc. (Nasdaq: PRST), the leading manufacturer and marketer of digital offset printing business solutions, today announced that it will feature its full line of digital offset solutions and celebrate 20 years of company innovation at Graph Expo 2007 (Booth # 3829), the largest North American printing trade show, Sept. 9-12, 2007, at McCormick Place in Chicago. The company will showcase its chemistry-free digital offset Direct Imaging (DI®) presses and CTP solutions, as well as introduce several enhancements to the Presstek product line. In addition, Presstek’s new premier distributor, Pitman Company (Booth # 4421), will highlight Presstek’s DI presses in its booth.

Presstek has long been recognized with industry awards for its ground-breaking products and holds numerous patents for its extensive line of advanced color printing solutions. Presstek has successfully pioneered a wide range of market “firsts” – continuously introducing next-generation color printing products including the first on-press DI printing technology and the first chemistry-free CTP system to the market.

“Presstek has been advancing printing technologies for more than 20 years, and at Graph Expo, we will demonstrate how our range of products help printers become more capable, profitable and competitive,” said Jeff Jacobson, chief executive officer of Presstek. “As the printing industry landscape changes, Presstek’s digital offset print solutions provide a level of flexibility, speed, quality and ease-of-use that is a breakthrough for printers who are faced with the daily reality of quickly producing a wide variety of short-run color work – and doing so profitably.” This year at Graph Expo, Presstek will feature its high-quality, easy-to-use and environmentally friendly Presstek 52DI that has seen rapid adoption since it was first introduced to the market last year. In addition, Presstek will be showing the Presstek 34DI, Dimension425 Excel and Vector TX52 CTP system. The company will also be introducing and demonstrating the Presstek Momentum Pro workflow system and the Dimension450 Excel-Autoloader CTP system.