Primary IR Contact

Investor Relations Department
Cass Information Systems, Inc.
Phone: (314) 506-5500

Transfer Agent

Computershare
P.O. Box 43078
Providence, RI 02940

Accountants

KPMG LLP
10 South Broadway
Suite 900
St. Louis, MO 63102

Legal

Armstrong Teasdale LLP
7700 Forsyth Blvd., Suite 1800
St. Louis, MO 63105