Greatbatch, Inc. (NYSE:GB), today announced results for its first quarter ended April 4, 2014 highlighted by 17% organic constant currency revenue growth; 16% improvement in adjusted operating income; and 23% improvement in adjusted diluted EPS.

"We are off to an excellent start in fiscal 2014, as our strong first quarter results put us on track to achieve our full year strategic objective of 5% organic constant currency top-line growth and twice that amount to our bottom-line," stated Thomas J. Hook, president and CEO. "These results reinforce our strategy of enhancing our sales and marketing capabilities while sustaining our research and development efforts to grow our portfolio of intellectual property, which is designed to drive market share gains for our customers and increase value for our shareholders."