<Page>

     CERTIFICATION PURSUANT TO SECTION 906 OF THE SARBANES OXLEY ACT OF 2002

This certification is provided pursuant to Section 906 of the Sarbanes-Oxley Act
of 2002, 18 U.S.C. Section 1350, and accompanies the report on Form N-CSR for
the period ended April 30, 2003 of the JPMorgan Fleming International Equity
Fund, a series of J.P. Morgan Mutual Fund Select Group (the "Registrant").

I, George C.W. Gatch, certify that:

1.   The Form N-CSR fully complies with the requirements of Section 13(a) or
     15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m(a) or 78o(d));
     and

2.   The information contained in the Form N-CSR fairly presents, in all
     material respects, the financial condition and results of operations of the
     JPMorgan Fleming International Equity Fund, a series of the Registrant.


/s/ GEORGE C.W. GATCH
- --------------------------------------
George C.W. Gatch
President

      6/19/03
- --------------------------------------
Date


<Page>

     CERTIFICATION PURSUANT TO SECTION 906 OF THE SARBANES OXLEY ACT OF 2002


This certification is provided pursuant to Section 906 of the Sarbanes-Oxley Act
of 2002, 18 U.S.C. Section 1350, and accompanies the report on Form N-CSR for
the period ended April 30, 2003 of the JPMorgan Fleming International Equity
Fund, a series of J.P. Morgan Mutual Fund Select Group (the "Registrant").

I, David Wezdenko, certify that:


1.   The Form N-CSR fully complies with the requirements of Section 13(a) or
     15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m(a) or 78o(d));
     and

2.   The information contained in the Form N-CSR fairly presents, in all
     material respects, the financial condition and results of operations of the
     JPMorgan Fleming International Equity Fund, a series of the Registrant.


/s/ DAVID WEZDENKO
- --------------------------------------
David Wezdenko
Treasurer

      6/18/03
- --------------------------------------
Date