Exhibit 32.1
CERTIFICATION OF CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER
PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
I, Subramanian Sundaresh, certify to the best of my knowledge based upon a review of the Quarterly Report on Form 10-Q of Adaptec, Inc. for the quarter ended June 30, 2006 (the “Form 10-Q”), that the Form 10-Q fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended, and that information contained in the Form 10-Q fairly presents, in all material respects, the financial condition and results of operations of Adaptec, Inc. for the quarterly periods covered by the Form 10-Q.
By: /s/ SUBRAMANIAN SUNDARESH | |
| Subramanian Sundaresh |
Date: August 9, 2006 | Chief Executive Officer |
I, Christopher O’Meara, certify to the best of my knowledge based upon a review of the Form 10-Q, that the Form 10-Q fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended, and that information contained in the Form 10-Q fairly presents, in all material respects, the financial condition and results of operations of Adaptec, Inc. for the periods covered by the Form 10-Q.
By: /s/ CHRISTOPHER O’MEARA | |
| Christopher O’Meara |
Date: August 9, 2006 | Chief Financial Officer |