Statement of Additional Information (SAI) Supplement — June 3, 2010*

Fund (SAI date)		Form #
RiverSource Variable Portfolio — Core Equity Fund (4/30/10, amended and restated 5/1/10)		S-6466-20 AE
RiverSource Variable Portfolio — Dynamic Equity Fund (4/30/10, amended and restated 5/1/10)		S-6466-20 AE
Seligman Common Stock Portfolio (4/30, amended and restated 5/1/10)		N/A
Tri-Continental Corporation (5/1/10)		N/A

Effective July 3, 2010, Gina K. Mourtzinou will no longer be responsible for the day-to-day management of each Fund listed above.

*Valid until next update.

S-6466-141 A (6/10)