Presstek Reports Improved Sequential First Quarter 2011 Revenue and Profit

• $31.9 million in first quarter 2011 revenue... highest level of past four quarters

• $0.7 million of adjusted EBITDA... sixth consecutive quarter of positive EBITDA

• Operating expenses, excluding $0.3 million in restructuring costs, down 7%. Actions taken in first quarter 2011 will provide an additional $1.3 million of profit improvements