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EXHIBIT 32.1*
CERTIFICATION PURSUANT TO
18 U.S.C. 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
18 U.S.C. 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
The undersigned officer of Cognex Corporation (the Company) hereby certifies that the Companys
Annual Report on Form 10-K for the year ended December 31, 2009 (the Report), as filed with the
Securities and Exchange Commission on the date hereof, fully complies with the requirements of
Section 13(a) or 15(d), as applicable, of the Securities Exchange Act of 1934, as amended, and that
the information contained in the Report fairly presents, in all material respects, the financial
condition and results of operations of the Company.
Date: February 11, 2010
/s/ Robert J. Shillman | ||||
Robert J. Shillman | ||||
Chief Executive Officer and Chairman of the Board of Directors (principal executive officer) |
* This certification shall not be deemed filed for purposes of Section 18 of the Securities Exchange Act of 1934, or otherwise subject to the liability of that section, nor shall it be deemed to be incorporated by reference into any filing under the Securities Act of 1933 or the Securities Exchange Act of 1934. |