Presstek Extends Its Successful Open House Series Through the Remainder of 2007

Local Events Offer Educational Opportunity for Printing Professionals Interested in Deploying Digital Technologies for Expanding Capabilities, Profitability and Competitiveness

HUDSON, NH—August 16, 2007—Presstek Inc. (Nasdaq: PRST), the leading manufacturer and marketer of digital offset printing business solutions, today announced that it has extended the road show schedule for its popular series of open house events. These events provide printing industry professionals with valuable information on how they can make their businesses more capable, profitable and competitive through the adoption of digital offset printing technology.