Form: 10-Q

Quarterly report pursuant to Section 13 or 15(d)

May 13, 2003

Documents

Exhibit 99.1

CEO CERTIFICATION OF PERIODIC REPORT

I, Lawrence J. Mosner, Chief Executive Officer of Deluxe Corporation (the “Company”), certify, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, 18 U.S.C. Section 1350, that:

(1)

the Quarterly Report on Form 10-Q of the Company for the quarter ended March 31, 2003 (the “Report”) fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m or 78o(d)); and


(2)

the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.


Date: May 13, 2003 /s/ Lawrence J. Mosner
Lawrence J. Mosner
Chief Executive Officer
 

A signed original of this written statement required by Section 906 has been provided to Deluxe Corporation and will be retained by Deluxe Corporation and furnished to the Securities and Exchange Commission or its staff upon request.