Exhibit 32 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 Each of the undersigned hereby certifies, in his capacity as an officer of Tiffany & Co. (the "Company"), for purposes of 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to his knowledge: o the Quarterly Report of the Company on Form 10-Q for the period ended July 31, 2004 fully complies with the requirements of Section 13(a) or Section 15(d) of the Securities Exchange Act of 1934; and o the information contained in such report fairly presents, in all material respects, the financial condition and results of operation of the Company. A signed original of this written statement required by Section 906 has been provided to Tiffany & Co. and will be retained by Tiffany & Co. and furnished to the Securities and Exchange Commission or its staff upon request. Dated: September 2, 2004 /s/ Michael J. Kowalski ------------------------------------ Michael J. Kowalski Chairman and Chief Executive Officer /s/ James N. Fernandez ------------------------------------ James N. Fernandez Executive Vice President and Chief Financial Officer