EXHIBIT 99.906CERT

CERTIFICATION PURSUANT TO RULE 30A-2(B) UNDER THE INVESTMENT COMPANY ACT OF 1940
                   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 for the period ended June 30, 2010
          (the "Report") fully complies with the requirements of Section 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: August 5, 2010                    /s/ Edward J. Roach
                                        ----------------------------------------
                                        Edward J. Roach, President & Treasurer
                                        (Principal Executive Officer & Principal
                                        Financial Officer)

This certification is being furnished to the Securities and Exchange Commission
pursuant to Rule 30a-2(b) under the Investment Company Act of 1940, as amended,
and 18 U.S.C. Section 1350 and is not being filed as part of the Report with the
Securities and Exchange Commission.