Exhibit 32.1
CHIEF EXECUTIVE OFFICER CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT
TO SECTION 906
OF THE SARBANES-OXLEY ACT OF 2002
The certification set forth below is hereby made solely for the purpose of satisfying the
requirements of Section 906 of the Sarbanes-Oxley Act of 2002 and may not be relied upon or used
for any other purposes.
In connection with the Annual Report of Waters Corporation (the “Company”) on Form 10-K for the
year ended December 31, 2005, as filed with the Securities and Exchange Commission on the date
hereof (the “Report”), I, Douglas A. Berthiaume, Chief Executive Officer of the Company, certify,
pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of
2002, that to my knowledge: (1) the Report fully complies with the requirements of Section 13(a) or
15(d) of the Securities Exchange Act of 1934; and (2) the information contained in the Report
fairly presents, in all material respects, the financial condition and results of operations of the
Company.
A signed original of this written statement required by Section 906 or other document
authenticating, acknowledging or otherwise adopting the signature that appears in typed form within
the electronic version of this written statement required by Section 906 has been provided to the
Company and will be retained by the Company and furnished to the Securities and Exchange Commission
or its staff upon request.
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Date: March 6, 2006 |
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By:
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/s/ Douglas A. Berthiaume |
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Douglas A. Berthiaume |
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Chief Executive Officer |