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 CryoLife Inc. (the "Company") on Form
10-Q for the quarter  ending June 30,  2002,  as filed with the  Securities  and
Exchange  Commission  on the date  hereof  (the  "Report"),  each of  Steven  G.
Anderson, the Chairman,  President,  and Chief Executive Officer of the Company,
and David  Ashley  Lee,  the Chief  Financial  Officer  of the  Company,  hereby
certify,  pursuant to and for  purposes of 18 U.S.C.  Section  1350,  as adopted
pursuant  to  Section  906  of the  Sarbanes-Oxley  Act of  2002,  that,  to his
knowledge:


(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.


/s/ STEVEN G. ANDERSON                       /s/ DAVID ASHLEY LEE
- ----------------------------------           ----------------------------------
STEVEN G. ANDERSON                           DAVID ASHLEY LEE
Chairman, President, and                     Vice President and Chief Financial
Chief Executive Officer                      Officer
September 3, 2002                            September 3, 2002