-----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, UTHAjBdXDY5ln4lJh6Y6fH5BpqHiSuHMu7+bFuC/c1yEyDl5fj1N1Wh5Iq/6JwSZ qyciFBeNLvTw9lCLkKn4Rg== 0000773757-07-000151.txt : 20070626 0000773757-07-000151.hdr.sgml : 20070626 20070626165748 ACCESSION NUMBER: 0000773757-07-000151 CONFORMED SUBMISSION TYPE: 497 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20070626 DATE AS OF CHANGE: 20070626 EFFECTIVENESS DATE: 20070626 FILER: COMPANY DATA: COMPANY CONFORMED NAME: COLUMBIA FUNDS SERIES TRUST CENTRAL INDEX KEY: 0001097519 IRS NUMBER: 000000000 STATE OF INCORPORATION: DE FISCAL YEAR END: 0331 FILING VALUES: FORM TYPE: 497 SEC ACT: 1933 Act SEC FILE NUMBER: 333-89661 FILM NUMBER: 07941642 BUSINESS ADDRESS: STREET 1: ONE FINANCIAL CENTER CITY: BOSTON STATE: MA ZIP: 02111 BUSINESS PHONE: 6174263750 MAIL ADDRESS: STREET 1: ONE FINANCIAL CENTER CITY: BOSTON STATE: MA ZIP: 02111 FORMER COMPANY: FORMER CONFORMED NAME: NATIONS FUNDS TRUST DATE OF NAME CHANGE: 19991022

0001097519 S000010778 Columbia Short Term Municipal Bond Fund

C000029792 Class A

C000029793 Class B

C000029794 Class C

C000029795 Class Z

497 1 cstmbfprosupp.txt PORTFOLIO MANAGER CHANGE SUPPLEMENT COLUMBIA FUNDS SERIES TRUST Columbia Short Term Municipal Bond Fund (the "Fund") Supplement dated June 26, 2007 to the Prospectuses dated August 1, 2006 The prospectuses for all share classes of the Fund are hereby supplemented to reflect the following: . James M. D'Arcy is the portfolio manager responsible for making the day-to-day investment decisions for the Fund. The prospectuses for all share classes of the Fund are hereby supplemented by replacing the professional biography of Kelly Mainelli, the portfolio manager formerly responsible for making the day-to-day investment decisions for the Fund, with the following:

INT-47/133100-0607 June 26, 2007 COLUMBIA FUNDS SERIES TRUST Columbia Short Term Municipal Bond Fund (the "Fund") Supplement dated June 26, 2007 to the Statement of Additional Information dated August 1, 2006 The statement of additional information for all share classes of the Fund is hereby supplemented as follows: . All references to Kelly Mainelli as the portfolio manager responsible for making the day-to-day investment decisions for the Fund is removed. . The following information is added to the table that appears under the heading "Other Accounts Managed by Portfolio Managers" in the section entitled "Portfolio Managers":

*Account information is provided as of May 31, 2007. . The following information is added to the table that appears under the heading "Ownership of Securities" in the section entitled "Portfolio Managers": Dollar Range of Equity Securities Portfolio Manager in the Fund Beneficially Owned - ------------------------------------------------------------------------- James M. D'Arcy* None - ------------------------------------------------------------------------- *Account information is provided as of May 31, 2007. . The following information is added to the table that appears under the heading "Compensation" in the section entitled "Portfolio Managers":

INT-50/133408-0607 June 26, 2007 -----END PRIVACY-ENHANCED MESSAGE-----