AMENDED AND RESTATED
CERTIFICATE OF INCORPORATION
WILSON GREATBATCH TECHNOLOGIES, INC.
WILSON GREATBATCH TECHNOLOGIES, INC., a corporation duly incorporated by the filing of its
original Certificate of Incorporation with the Secretary of State of the State of Delaware on June 13, 1997 under
the name WGL Holdings, Inc. (the "Corporation"), desiring to integrate into a single instrument all the provisions
of said Certificate of Incorporation now in effect and operative, and desiring further to amend said Certificate of
Incorporation, such restated Certificate of Incorporation having been duly adopted in accordance with Section
245 of the General Corporation Law of the State of Delaware, hereby certifies as follows:
1. Said Certificate of Incorporation is hereby restated to read in its entirety as follows:
FIRST: The name of the Corporation is "WILSON GREATBATCH TECHNOLOGIES, INC." (the
SECOND: The registered office of the Corporation in the State of Delaware is located at Corporation Trust
Center, 1209 Orange Street, Wilmington, Delaware 19801, County of New Castle. The registered agent for the
Corporation at such address is The Corporation Trust Company.
THIRD: The purpose of the Corporation is to engage in any lawful act or activity for which corporations may be
organized under the Delaware General Corporation Law, as amended from time to time (the "DGCL").
FOURTH: The total number of shares of all classes of capital stock which the Corporation shall have authority to
issue is 200,000,000 shares, consisting of
(i) 100,000,000 shares of Preferred Stock, $.001 par value per share, and
(ii) 100,000,000 shares of Common Stock, $.001 par value per share.
Except as otherwise provided by law, the shares of capital stock of the Corporation, regardless of class, may be
issued by the Corporation from time to time in such amounts, for such lawful consideration and for such
corporate purpose(s) as the Board of Directors may from time to time determine.