Exhibit 99(h)(20) First Data Investor Services Group, Inc. One Exchange Place Boston, MA 02109 Ladies and Gentlemen: Reference is made to the Transfer Agent and Registrar Agreement between us dated as of June 19, 1995, as amended (the "Agreement")....

                                                               Exhibit 99(h)(20)


First Data Investor Services Group, Inc.
Xxx Xxxxxxxx Xxxxx
Xxxxxx, XX 00000


Ladies and Gentlemen:

     Reference is made to the Transfer Agent and Registrar Agreement between us
dated as of June 19, 1995, as amended (the "Agreement").

     Pursuant to the Agreement, this letter is to provide notice of the creation
of an additional investment portfolio of The Munder Funds, Inc., namely the
Munder Future Technology Fund (the "New Portfolio").

     We request that you act as Transfer Agent under the Agreement with respect
to the New Portfolio.

     Please indicate your acceptance of the foregoing by executing two copies of
this Agreement, returning one to the Fund and retaining one copy for your
records.

                                       Very truly yours,

                                       The Munder Funds, Inc.

                                       By: /s/ Xxxxx X. Xxxxxxx
                                           -------------------------------------


                                       Accepted:

                                       First Data Investor Services Group, Inc.

                                       By: /s/ Xxxxxxx Xxxxxxxx
                                           -------------------------------------

Date: May 4, 1999