Supplement dated June 13, 2013

to the Prospectus offering Class Y shares of the following fund:

Fund	Prospectus Dated
Columbia Funds Series Trust I
Columbia Strategic Income Fund	6/13/2013

Effective on or about June 30, 2013, the following information is hereby added under the caption “The Investment Manager” in the “Management of the Fund – Primary Service Providers” section:

The Investment Manager has entered into a personnel-sharing arrangement with its affiliate, Threadneedle Investments (Threadneedle). Threadneedle, like the Investment Manager, is a wholly-owned subsidiary of Ameriprise Financial and is an SEC-registered investment adviser. Pursuant to this arrangement, certain employees of Threadneedle serve as “associated persons” of the Investment Manager and, in this capacity, subject to the oversight and supervision of the Investment Manager and consistent with the investment objectives, policies and limitations set forth in the Fund’s prospectus and SAI, may provide research and related services, and discretionary investment management services (including acting as portfolio managers) to the Fund on behalf of the Investment Manager.

The rest of the section remains the same.

Shareholders should retain this Supplement for future reference.

SUP242_10_001_(06/13)