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                    PROSPECTUS SUPPLEMENT -- JANUARY 13, 2009

RIVERSOURCE LARGE CAP EQUITY FUND (PROSPECTUS DATED SEPT. 29, 2008)  S-6244-99 J

On Jan. 8, 2009, RiverSource Large Cap Equity Fund's Board of Directors
approved in principle the merger of RiverSource Large Cap Equity Fund (the
"Fund") into RiverSource Disciplined Equity Fund, a fund that seeks to provide
shareholders with long-term capital growth. More information about RiverSource
Disciplined Equity Fund and the proposed merger will be included in proxy
materials.

Completion of the merger is subject to approval by shareholders of the Fund. It
is currently anticipated that proxy materials regarding the merger will be
distributed to shareholders during the first or second quarter of 2009, and that
a meeting of shareholders to consider the merger will be scheduled for the
second quarter of 2009.

S-6244-2 A (1/09)