EXHIBIT (D)(2) Attachment A to the Investment Advisory Agreement is hereby amended to add the Thompson Plumb Blue Chip Fund, and is restated in its entirety as follows:

                                                                  EXHIBIT (D)(2)


         Attachment A to the Investment Advisory Agreement is hereby amended to
add the Xxxxxxxx Xxxxx Blue Chip Fund, and is restated in its entirety as
follows:

                                  ATTACHMENT A

         This Agreement shall apply with respect to the following Series of the
Corporation:

                  1.       The Xxxxxxxx Plumb Growth Fund.

                  2.       The Xxxxxxxx Xxxxx Balanced Fund.

                  3.       The Xxxxxxxx Plumb Blue Chip Fund.

                  4.       The Xxxxxxxx Xxxxx Bond Fund.

                  5.       The Xxxxxxxx Plumb Select Fund.