EXHIBIT 99.13


                   Certification of Periodic Financial Reports

I, Robert L. Waltrip, of Service Corporation International, certify, pursuant to
Section 906 of the Sarbanes-Oxley Act of 2002, that:

         (1)      the Quarterly Report on Form 10-Q for the quarterly period
                  ended March 31, 2003 (the "Periodic Report") which this
                  statement accompanies 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 Periodic Report fairly
                  presents, in all material respects, the financial condition
                  and results of operations of Service Corporation
                  International.

This certificate is being furnished solely for purposes of Section 906 and is
not being filed as part of the Periodic Report.

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

Dated:  May 9, 2003


                                               /s/ Robert L. Waltrip
                                               ---------------------
                                               Robert L. Waltrip
                                               Chairman of the Board and
                                               Chief Executive Officer