<PAGE>
EXPEDITION BOND FUND
SUPPLEMENT DATED DECEMBER 23, 1999
TO THE PROSPECTUS DATED MARCH 1, 1999
THIS SUPPLEMENT PROVIDES NEW AND ADDITIONAL INFORMATION BEYOND THAT CONTAINED IN
THE PROSPECTUS AND SHOULD BE READ IN CONJUNCTION WITH THE PROSPECTUS.
I. At a Board of Trustees Meeting, held on November 15, 1999, the Board
approved changing the name of the Expedition Bond Fund to Expedition
Investment Grade Bond Fund, effective March 1, 2000. Accordingly, at
that time, all references in the prospectus to the Expedition Bond Fund
will be hereby changed to Expedition Investment Grade Bond Fund.
II. Under the heading "Investment Strategy of the Expedition Bond Fund" on
page 8 of the Prospectus, the third sentence in the second paragraph
has been deleted and replaced with the following:
The Fund's average weighted maturity will be maintained at 3 to
7 years.
PLEASE RETAIN THIS SUPPLEMENT FOR FUTURE REFERENCE.
EXP-A-020-01