Exhibit 99.1

            Greatbatch Inc. Expands its Board of Directors

                      Kevin C. Melia Joins Board;
               Bill R. Sanford Appointed Vice Chairman

    NEW YORK--(BUSINESS WIRE)--Aug. 10, 2007--Greatbatch, Inc.
(NYSE:GB) today announced that Kevin C. Melia has joined its Board of
Directors. Mr. Melia will also serve on the Board's audit committee
and science and technology committee. The Company also announced the
appointment of Bill R. Sanford as Vice Chairman of the Board. "We are
very pleased to welcome Kevin Melia to our Board of Directors," said
Thomas J. Hook, President and Chief Executive Officer of Greatbatch,
Inc. "He brings a wealth of experience to Greatbatch and his extensive
financial and operations background will further strengthen the
overall depth of our Board. I'm also pleased that Bill Sanford will be
taking on an expanded role with our Board. Over the past seven years
his medical industry background along with his strategic business
development expertise has been instrumental to our success. Both Kevin
and Bill bring significant experience that will help position the
company for continued growth."

    Since April 2003, Mr. Melia has been non-executive chairman of the
board of A.Net (formerly Lightbridge Inc.), an e-payment company, and
IONA Technologies PLC, a leading middleware software company. He was
the co-founder, chairman and chief executive officer of Manufacturers'
Services Ltd. ("MSL") from June 1994 to January 2003, a leading
company in the electronics manufacturing services Industry. Prior to
establishing MSL, he held a number of senior executive positions over
a five-year period at Sun Microsystems. Mr. Melia also held a number
of senior executive positions in operations and finance over a
sixteen-year career at Digital Equipment Corporation.

    Mr. Melia is a director of RadiSys Corporation, a provider of
embedded advanced solutions for the communications networking and
commercial systems markets. He also is a joint managing director of
Boulder Brook Partners LLC, a private investment company and a member
of the board of directors of C&S Wholesale Grocers. Mr. Melia is a
past non-executive chairman of the board of directors of Manugistics
Group Inc., a supply chain software application company and is a past
member of the board of directors of Eircom PLC, a leading telecom
company in Ireland. He is a Chartered Accountant and holds a joint
diploma in Management Accounting from the Accounting Institutes of the
U.K and Ireland.

    Mr. Sanford has served as a director since October 2000. He is the
founder and chairman of Symark LLC, a technology commercialization and
business development company. Mr. Sanford is executive founder, and
from 1987 to 2000 was chairman of the board and chief executive
officer, of STERIS Corporation, a global provider of infection and
contamination prevention systems, products, services and technologies.
He serves on the board of directors of KeyCorp and on the risk
management and nominating and corporate governance committees of that
board. He also is a director of several early stage private technology
companies and not-for-profit organizations.

    About Greatbatch, Inc.

    Greatbatch, Inc. (NYSE: GB) is a leading developer and
manufacturer of critical components used in medical devices for the
cardiac rhythm management, neurostimulation and interventional
radiology markets. Additionally, Greatbatch supplies commercial power
sources for other technically demanding applications. Additional
information about the Company is available at www.greatbatch.com.

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