Exhibit 99.1

 Greatbatch Announces Completion of Quan Emerteq and EAC Acquisitions


    CLARENCE, N.Y.--(BUSINESS WIRE)--Nov. 16, 2007--Greatbatch, Inc.
(NYSE: GB) announced today that it has successfully completed its
previously announced acquisitions of Quan Emerteq LLC and Engineered
Assemblies Corporation ("EAC").

    Greatbatch's acquisitions of Quan Emerteq and EAC were structured
as asset purchases. For the net assets purchased of Quan Emerteq,
Greatbatch paid $55 million in cash, which will be increased or
decreased by the final working capital adjustment as defined in the
purchase agreement. For the net assets purchased of EAC, Greatbatch
paid $12.4 million in cash, which will be increased or decreased by
the final working capital adjustment and earn out payment as defined
in the purchase agreement.

    Quan Emerteq, based in Blaine, Minnesota, a suburb of Minneapolis,
designs, develops and manufactures single use medical device products
for the vascular, cardiac rhythm management and neurostimulation
markets.

    EAC, based in Teterboro, New Jersey, with operations in Suzhou,
China, is a leading provider of custom battery solutions and
electronics integration focused on rechargeable battery systems.

    About Greatbatch

    Greatbatch, Inc. (NYSE: GB) is a leading developer and
manufacturer of critical components used in medical devices for the
cardiac rhythm management, neurostimulation, vascular and
interventional radiology markets. Additionally, Electrochem Commercial
Power, a subsidiary of Greatbatch, is a world leader in the design and
manufacture of lithium cells and battery packs for demanding
applications such as oil and gas exploration, pipeline inspection,
military, asset tracking, oceanography and seismic surveying.
Additional information about the Company is available at
www.greatbatch.com.


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