Exhibit 99.1

          Registration Statement For Greatbatch, Inc. 2 1/4%
   Subordinated Convertible Debentures Due 2013 Declared Effective


    CLARENCE, N.Y.--(BUSINESS WIRE)--June 7, 2007--Greatbatch, Inc.
("Greatbatch") (NYSE:GB) announced today that the Securities and
Exchange Commission has declared effective today its registration
statement on Form S-3 (File No. 333-142400) relating to resales by
selling securityholders of its 2 1/4% Subordinated Convertible
Debentures due 2013, issued pursuant to an indenture dated as of March
28, 2007, by and between Greatbatch and Manufacturers and Traders
Trust Company, as trustee, as amended by the First Supplemental
Indenture thereto, and the shares of Greatbatch's common stock
issuable upon conversion of the debentures. The debentures were
originally issued in an aggregate principal amount of $197.8 million
on March 28, 2007 and April 2, 2007. The debentures are subject to a
registration rights agreement. Greatbatch will not receive any of the
proceeds from the resale of the debentures or the shares of common
stock issuable upon conversion of the debentures.

    Copies of the prospectus may be obtained from Greatbatch, Inc.,
9645 Wehrle Drive, Clarence, New York 14031, (716) 759-6901,
Attention: Director of Investor Relations.

    This press release does not constitute and offer to sell or the
solicitation of an offer to buy the securities, nor shall there be any
sale of securities in any state in which such offer, solicitation or
sale would be unlawful prior to registration or qualification of the
securities under the securities laws of any such state.

    About Greatbatch

    Greatbatch, Inc. is a leading developer and manufacturer of
critical components used in implantable medical devices and other
technically demanding applications.


    CONTACT: Greatbatch, Inc.
             Anthony Borowicz, 716-759-5809
             Treasurer and Director, Investor Relations
             tborowicz@greatbatch.com