Exhibit 99.1

Certification Pursuant to 18 U.S.C. Section 1350, as
Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

                  In connection with the Quarterly Report of Concord EFS, Inc. (the “Company”) on Form 10-Q for the period ending June 30, 2002, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Dan M. Palmer, Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

                  (1) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

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

Dated:   August 8, 2002	By:	/s/ Dan M. Palmer
	Dan M. Palmer Chief Executive Officer