Exhibit 99.1

   Thomas J. Hook Appointed as Chief Executive at Greatbatch, Inc.;
         Edward F. Voboril Continues as Chairman of the Board

    CLARENCE, N.Y.--(BUSINESS WIRE)--Aug. 8, 2006--Greatbatch, Inc.
(NYSE:GB) today announced that at a regularly scheduled meeting of the
Greatbatch Board of Directors, Thomas J. Hook was elected to the
position of Chief Executive Officer effective immediately. After
almost 16 years as its C.E.O., Edward F. Voboril is stepping down but
will continue as Chairman of the Greatbatch Board of Directors.
    Voboril said, "It has been a privilege to lead this Company for
the past sixteen years and to have helped it prosper and grow in many
ways. It has been especially rewarding to work with this team because
beyond its leadership technology and strong position in the market
place the people of Greatbatch are its greatest strategic asset.
    Over the past two years Tom Hook has contributed significantly in
leading and developing our team and in growing the business in new and
exciting ways. Tom's succession to the position of C.E.O. is the
culmination of a Board led succession planning process that will
ensure that we have the right leadership in place for years to come.
Tom's strong leadership abilities complement his industry experience
and solid technical background and will serve him well in helping to
align our organization with our exciting vision for the future. In my
ongoing position as Chairman, I will continue to have an opportunity
to work closely with Tom in charting our future course and I am
confident that under his leadership and direction the Company will
continue to grow and enhance shareholder value in the future."
    Mr. Hook, who has been with Greatbatch since September, 2004
serving as Chief Operating Officer and then as President, was quoted
as saying, "It is an honor to be selected as C.E.O. of Greatbatch. The
past two years have prepared me very well for the challenges that lie
ahead. Greatbatch has broad opportunities to continue growing in its
core markets in addition to pursuing new business ventures. I
appreciate the support Ed has given me in preparing for this new
responsibility. Together with Ed, the Board of Directors and the
Management Team, I will endeavor to lead Greatbatch to deliver
superior shareholder value and further enhance the performance of this
outstanding Company."

    About Greatbatch, Inc.

    Greatbatch, Inc., is a leading developer and manufacturer of
critical components used in implantable medical devices and other
technically demanding applications. Additional information about the
company is available at www.greatbatch.com.

    CONTACT: Greatbatch, Inc.
             Anthony W. Borowicz, 716-759-5809
             tborowicz@greatbatch.com