Exhibit 99.1 CERTIFICATION Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (subsections (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code), each of the undersigned officers of Standard Microsystems Corporation (the Company), does hereby certify, to such officer's knowledge, that: The Quarterly Report on Form 10-Q for the quarter ended August 31, 2002 of the Company fully complies, in all material respects, with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934, and information contained in the Form 10-Q fairly presents, in all material respects, the financial condition and results of operations of the Company. Dated: January 14, 2003 By: /s/ Steven J. Bilodeau -------------------------- (signature) Steven J. Bilodeau Chairman of the Board, President and Chief Executive Officer By: /s/ Andrew M. Caggia ------------------------- (signature) Andrew M. Caggia Senior Vice President - Finance and Chief Financial Officer