September 29, 2003 | /s/ Harris H. Simmons —————————————— Name: Harris H. Simmons Title: Chairman, President and Chief Executive Officer | |
/s/ Doyle L. Arnold —————————————— Name: Doyle L. Arnold Title: Executive Vice President and Chief Financial Officer |
The foregoing certification is being furnished solely pursuant to 18 U.S.C. §1350 and is not being filed as part of the Report or as a separate disclosure document. |