-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, TlMU1l8BFpm34voYXwPzs01qPH7WMvad80RffmJv1ho8XDf+RSYtLTvwCLaQoMd8 n5m1sPVVeer07RmnP7XokA== 0000950123-10-043543.txt : 20100504 0000950123-10-043543.hdr.sgml : 20100504 20100504160300 ACCESSION NUMBER: 0000950123-10-043543 CONFORMED SUBMISSION TYPE: 497 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20100504 DATE AS OF CHANGE: 20100504 EFFECTIVENESS DATE: 20100504 FILER: COMPANY DATA: COMPANY CONFORMED NAME: RIVERSOURCE INCOME SERIES, INC. CENTRAL INDEX KEY: 0000052407 IRS NUMBER: 410839316 STATE OF INCORPORATION: MN FISCAL YEAR END: 0131 FILING VALUES: FORM TYPE: 497 SEC ACT: 1933 Act SEC FILE NUMBER: 002-10700 FILM NUMBER: 10797272 BUSINESS ADDRESS: STREET 1: 50606 AMERIPRISE FINANCIAL CENTER STREET 2: H27/5228 CITY: MINNEAPOLIS STATE: MN ZIP: 55474 BUSINESS PHONE: 612-671-4321 MAIL ADDRESS: STREET 1: 50606 AMERIPRISE FINANCIAL CENTER STREET 2: H27/5228 CITY: MINNEAPOLIS STATE: MN ZIP: 55474 FORMER COMPANY: FORMER CONFORMED NAME: AXP INCOME SERIES INC DATE OF NAME CHANGE: 20021118 FORMER COMPANY: FORMER CONFORMED NAME: AXP SELECTIVE FUND INC /MN/ DATE OF NAME CHANGE: 20000829 FORMER COMPANY: FORMER CONFORMED NAME: IDS SELECTIVE FUND INC DATE OF NAME CHANGE: 19920703

0000052407 S000003435 RiverSource Income Builder Basic Income Fund

C000009499 RiverSource Income Builder Basic Income Fund Class A RBBAX

C000009500 RiverSource Income Builder Basic Income Fund Class B RBBBX

C000009501 RiverSource Income Builder Basic Income Fund Class C RBBCX

C000042931 RiverSource Income Builder Basic Income Fund Class R4

0000052407 S000003436 RiverSource Income Builder Moderate Income Fund

C000009503 RiverSource Income Builder Moderate Income Fund Class A RSMAX

C000009504 RiverSource Income Builder Moderate Income Fund Class B RSMBX

C000009505 RiverSource Income Builder Moderate Income Fund Class C RSMCX

C000042932 RiverSource Income Builder Moderate Income Fund Class R4

0000052407 S000003437 RiverSource Income Builder Enhanced Income Fund

C000009507 RiverSource Income Builder Enhanced Income Fund Class A RSBAX

C000009508 RiverSource Income Builder Enhanced Income Fund Class B REIVX

C000009509 RiverSource Income Builder Enhanced Income Fund Class C RIECX

C000042933 RiverSource Income Builder Enhanced Income Fund Class R4

497 1 c57741ie497.txt 497 PROSPECTUS SUPPLEMENT -- MAY 1, 2010 FUNDS (PROSPECTUS EFFECTIVE DATE) MATERIAL NUMBER RiverSource Income Builder Basic Income Fund, S-6394-99 G RiverSource Income Builder Enhanced Income Fund, RiverSource Income Builder Moderate Income Fund (April 1, 2010) On May 1, 2010, Ameriprise Financial, Inc. (Ameriprise Financial) announced the closing of its acquisition of the long-term asset management business of Columbia Management Group, LLC and certain of its affiliated companies from Bank of America (the Columbia Transaction). In connection with the Columbia Transaction, effective May 1, 2010, the Fund's investment manager, RiverSource Investments, LLC, a wholly owned subsidiary of Ameriprise Financial, changed its name to Columbia Management Investment Advisers, LLC. In connection with the Columbia Transaction, the Funds' portfolio managers have been changed. The foregoing change is reflected in the revised Fund Management, and Fund Management and Compensation sections of the Funds' prospectus, as set forth below. Effective May 1, 2010, the following changes are hereby made to the Funds' prospectus: The list of portfolio managers shown under the caption "Fund Management" Fund in each Summary of the Fund section is superseded and replaced as follows:

The description of the portfolio managers responsible for the Funds' day-to-day portfolio management, as described under the caption "Fund Management and Compensation - Investment Manager" in the More Information about the Funds section is superseded and replaced as follows: Portfolio Managers. The portfolio managers responsible for the day-to-day management of the Fund are: Colin J. Lundgren, CFA, Senior Portfolio Manager - - Managed the Fund since February 2006. - - Senior Vice President and Head of Fixed Income. - - Joined the investment manager in 1986. - - Began investment career in 1989. - - BA, Lake Forest College. Gene R. Tannuzzo, CFA, Portfolio Manager - - Managed the Fund since May 2010. - - Sector Manager, multi-sector fixed income. - - Joined the investment manager in 2003 as an associate analyst in municipal bond research. - - Began investment career in 2003. - - BSB, University of Minnesota, Carlson School of Management. S-6394-8 A (5/10) -----END PRIVACY-ENHANCED MESSAGE-----