ZIMMER HOLDINGS, INC. AND SUBSIDIARIES 2005 FORM 10-K

Certification Exhibit 99.1

Annual CEO Certification (Section 303A.12(a))

As the Chief Executive Officer of Zimmer Holdings, Inc. (“Company”), and as required by Section 303A.12(a) of the New York Stock Exchange Listed Company Manual, I hereby certify that as of the date hereof I am not aware of any violation by the Company of NYSE’s Corporate Governance listing standards, other than has been notified to the Exchange pursuant to Section 303A.12(b) and disclosed as Exhibit H to the Company’s Section 303A Annual Written Affirmation.

By:  /s/ J. Raymond Elliott

Print Name: J. Raymond Elliott

Title: Chairman, President and Chief Executive Officer
Date: May 13, 2005

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