CERTIFICATION PURSUANT TO RULE 30A-2(B) UNDER THE 1940 ACT AND
                      SECTION 906 OF THE SARBANES-OXLEY ACT

I, Edward J. Roach, President & Treasurer of Chestnut Street Exchange Fund (the
"Registrant"), certify that:

     1.   The Form N-CSR of the Registrant (the "Report") fully complies with
          the requirements of Section 13(a) or 15(d) of the Securities Exchange
          Act of 1934, as amended; and

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


Date: February 22, 2006                 /s/ Edward J. Roach
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                                        Edward J. Roach, President & Treasurer
                                        (principal executive officer & principal
                                        financial officer)