EXHIBIT (H)(5) Attachment A to the Operating Agreement is hereby amended to add the Thompson Plumb Blue Chip Fund, and is restated in its entirety as follows:

                                                                  EXHIBIT (H)(5)


         Attachment A to the Operating Agreement is hereby amended to add the
▇▇▇▇▇▇▇▇ ▇▇▇▇▇ 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 ▇▇▇▇▇▇▇▇ Plumb Growth Fund.

                  2.       The ▇▇▇▇▇▇▇▇ ▇▇▇▇▇ Balanced Fund.

                  3.       The ▇▇▇▇▇▇▇▇ Plumb Blue Chip Fund.

                  4.       The ▇▇▇▇▇▇▇▇ ▇▇▇▇▇ Bond Fund.

                  5.       The ▇▇▇▇▇▇▇▇ Plumb Select Fund.