Presstek 34DI Provides Dynamic Results for Print Start-up Diguru

Chandlers Ford Firm Considers Move to Shifts Following Press Success

WEST DRAYTON, UK—August 4, 2010—Presstek, Inc. (NASDAQ: PRST), a leading supplier of digital offset printing solutions to the printing and communications industries, today announced that the UK company Diguru has installed a Presstek 34DI press. Partners Richard Harwood and Alex Marszal established the Chandlers Ford operation in February 2010. The venture has been so successful that they are considering adding additional shifts on the 7,000-sheet-per-hour Presstek 34DI to handle the increased volume of work it has brought in.