497 1 c60463ne497.htm 497 e497
(COLUMBIA MANAGEMENT LOGO)
 
 
Statement of Additional Information (SAI) Supplement — Sept. 30, 2010*
 
     
Fund   SAI Dated
 
Columbia Emerging Markets Opportunity Fund
  Sept. 27, 2010
Columbia Inflation Protected Securities Fund
  Sept. 27, 2010
Columbia Minnesota Tax-Exempt Fund
  Sept. 27, 2010
Columbia U.S. Government Mortgage Fund
  Sept. 27, 2010
RiverSource Intermediate Tax-Exempt Fund
  Sept. 27, 2010
RiverSource Short-Duration U.S. Government Fund
  Sept. 27, 2010
RiverSource Tax-Exempt High Income Fund
  Sept. 27, 2010
RiverSource Variable Portfolio — Global Inflation Protected Securities Fund
  April 30, 2010
RiverSource Variable Portfolio — Short Duration U.S. Government Fund
  April 30, 2010
Seligman National Municipal Class
  Sept. 27, 2010
Threadneedle Variable Portfolio — Emerging Markets Fund
  April 30, 2010
 
Effective Oct. 1, 2010, Table 19. Portfolio Managers, for Columbia Emerging Markets Opportunity Fund, Columbia Minnesota Tax-Exempt Fund, Columbia U.S. Government Mortgage Fund, RiverSource Intermediate Tax-Exempt Fund, RiverSource Short Duration U.S. Government Fund, RiverSource Tax-Exempt High Income Fund and Seligman National Municipal Class is revised as follows:
 
Reporting provided as of fiscal year end, unless otherwise noted:
                                           
            Other Accounts Managed (excluding the fund)     Ownership
 		    Potential
 		    Structure of
            Number and type
 		    Approximate Total
 		    Performance Based
 		    of Fund
 		    Conflicts
 		    Compensation
Fund
 		    Portfolio Manager
 		    of account(a)     Net Assets     Accounts(b)     Shares     of Interest      
                                           
For funds with fiscal period ending May 31
                                           
Columbia U.S.     Jason J. Callan     4 RICs
3 other accounts 		    $1.84 billion
$0.34 million 		    None     None    
(2) 		   
(23)
                                           
Government
Mortgage 		    Tom Heuer     4 RICs
2 other accounts 		    $1.84 billion
$0.40 million 		    None     None            
                                           
RiverSource
Short Duration 		    Leonard A. Aplet(c)     11 RICs
8 PIVs
85 other accounts 		    $2.90 billion
$3.56 billion
$10.93 billion 		    None     None            
                                           
U.S. Government     Gregory S. Liechty(c)     1 RICs
13 other accounts 		    $2.48 billion
$71.3 million 		    None     None     (3)     (32)
                                           
      Ronald B. Stahl(c)     11 RICs     $2.90 billion     None     None            
            6 PIVs     $785.66 million                        
            53 other accounts     $3.88 billion                        
                                           
For funds with fiscal period ending July 31
                                           
Columbia Inflation
Protected 		    Nicholas Pifer(c)     6 RICs
3 PIVs
19 other accounts 		    $4.67 billion
$21.58 million
$4.99 billion 		    None     None    

(2) 		   

(23)
                                           
Securities     Vishal Khanduja     1 RIC
3 other accounts 		    $2.24 billion
$0.09 million 		    None     None            
                                           
For funds with fiscal period ended August 31
                                           
                                           
Columbia Minnesota     Catherine Stienstra     10 RICs
8 other accounts 		    $4.18 billion
$6.35 billion 		    None     None    
(2) 		   
(27)
                                           
Tax-Exempt     Mary Grindland(d)     1 RIC     $67.34 million     None     None            
                                           

 

                                           
            Other Accounts Managed (excluding the fund)     Ownership
 		    Potential
 		    Structure of
            Number and type
 		    Approximate Total
 		    Performance Based
 		    of Fund
 		    Conflicts
 		    Compensation
Fund
 		    Portfolio Manager
 		    of account(a)     Net Assets     Accounts(b)     Shares     of Interest      
For funds with fiscal period ended September 30
                                           
Seligman National     Kimberly Campbell(c)     7 RICs
18 other accounts 		    $3.4 billion
$0.93 million 		    None     None     (3)     (32)
Municipal                                          
                                           
For funds with fiscal period ended October 31
                                           
Columbia     Threadneedle:                                    
                                           
Emerging
Markets 		    Vanessa Donegan(c)     2 PIVs
6 other accounts 		    $1.96 billion
$2.76 billion 		    1 other ($156.61 M)    
None(e) 		   
(14) 		   
(43)
                                           
Opportunity     Rafael Polatinsky(c)     1 PIV
3 other accounts 		    $224.26 million
$554.09 million 		    None                  
                                           
For funds with fiscal period ended November 30
                                           
                                           
RiverSource
Intermediate 		    Brian M. McGreevy(c)     7 RICs
7 other accounts 		    $4.20 billion
$640.57 million 		    None     None     (3)     (32)
Tax-Exempt
                                         
                                           
RiverSource
Tax-Exempt 		    Kimberly Campbell(c)     7 RICs
18 other accounts 		    $3.4 billion
$0.93 million 		    None     None     (3)     (32)
High Income
                                         
                                           
 
  (a)   RIC refers to a Registered Investment Company (each series or portfolio of a RIC is treated as a separate RIC); PIV refers to a Pooled Investment Vehicle.
  (b)   Number of accounts for which the advisory fee paid is based in part or wholly on performance and the aggregate net assets in those accounts.
  (c)   Portfolio manager began managing the fund effective Oct. 1, 2010; reporting is provided as of Aug. 31, 2010
  (d)   Portfolio manager began managing the fund effective Oct. 1, 2010; reporting is provided as of July 31, 2010
  (e)   The fund is available for sale only in the U.S. The portfolio managers do not reside in the U.S. and therefore do not hold any shares of the fund.
 
The rest of this section remains the same.
 
Effective Oct. 1, 2010, Table 16. Portfolio Managers, is revised as follows for RiverSource Variable Portfolio — Global Inflation Protected Securities Fund, RiverSource Variable Portfolio — Short Duration U.S. Government Fund and Threadneedle Variable Portfolio — Emerging Markets Fund:
 
Reporting provided as of Dec. 31, 2009, unless otherwise noted:
                                           
            Other Accounts Managed (excluding the fund)     Ownership
 		    Potential
 		    Structure of
            Number and type
 		    Approximate Total
 		    Performance Based
 		    of Fund
 		    Conflicts
 		    Compensation
Fund
 		    Portfolio Manager
 		    of account(a)     Net Assets     Accounts(b)     Shares     of Interest      
                                           
Emerging     Threadneedle:                                    
                                           
Markets     Vanessa Donegan(d)     2 PIVs
6 other accounts 		    $1.96 billion
$2.76 billion 		    1 other ($156.61 M)    
None 		   
(2) 		   
(14)
                                           
      Rafael Polatinsky(d)     1 PIV
3 other accounts 		    $224.26 million
$554.09 million 		    None                  
                                           
Global
Inflation
Protected 		    Nicholas Pifer     5 RICs
3 PIVs
17 other accounts(e) 		    $2.77 billion
$30.18 million
$4.60 billion 		    None    

None 		   

(1) 		   

(12)
                                           
Securities     Vishal Khanduja(f)     1 RIC     $616.18 million     None                  
                                           
      Hong Ho(f)     None     N/A     N/A                  
                                           
Short
Duration
U.S. 		    Leonard A. Aplet(d)     11 RICs
8 PIVs
85 other accounts 		    $2.90 billion
$3.56 billion
$10.93 billion 		    None     None     (10)     (24)
                                           
Government     Gregory S. Liechty(d)     1 RICs
13 other accounts 		    $2.48 billion
$71.3 million 		    None                  
                                           
      Ronald B. Stahl(d)     11 RICs
6 PIVs
53 other accounts 		    $2.90 billion
$785.66 million
$3.88 billion 		    None                  
                                           
 
  (a)   RIC refers to a Registered Investment Company; PIV refers to a Pooled Investment Vehicle.
  (b)   Number of accounts for which the advisory fee paid is based in part or wholly on performance and the aggregate net assets in those accounts.
  (c)   All shares of the Variable Portfolio funds are owned by life insurance companies and are not available for purchase by individuals. Consequently no portfolio manager owns any shares of Variable Portfolio funds.
  (d)   The portfolio manager began managing the fund effective Oct. 1, 2010; reporting information is provided as of Aug. 31, 2010.
  (e)   Reflects each wrap program sponsor as a single client, rather than counting each participant in the program as a separate client.

 

  (f)   The portfolio manager began managing the fund effective Oct. 1, 2010; reporting information is provided as of July 31, 2010.
 
The rest of this section remains the same.
 
*Valid until next update.