-----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, UPOGk2XWdBBgnZSYp1XxuiTXDfqhuXO8mwnEyNFgFlg3sDteiVXKtAEWH+lcP/gU 3vzdcSIqhVWHKbwA0LG8NQ== 0000950135-06-003602.txt : 20060519 0000950135-06-003602.hdr.sgml : 20060519 20060519164023 ACCESSION NUMBER: 0000950135-06-003602 CONFORMED SUBMISSION TYPE: 497 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20060519 DATE AS OF CHANGE: 20060519 EFFECTIVENESS DATE: 20060519 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: 06855802 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 S000010803 Columbia Multi-Advisor International Equity Fund

C000029899 Class A

C000029900 Class B

C000029901 Class C

C000029902 Class R

C000029903 Class Z

497 1 b61030gwe497.txt COLUMBIA MULTI-ADVISOR INTERNATIONAL EQUITY FUND PROSPECTUS SUPPLEMENT COLUMBIA FUNDS SERIES TRUST COLUMBIA MULTI-ADVISOR INTERNATIONAL EQUITY FUND (THE "FUND") SUPPLEMENT DATED MAY 19, 2006 TO THE CLASS A, B, C AND Z SHARES PROSPECTUSES DATED NOVEMBER 1, 2005, AND TO THE CLASS R SHARES PROSPECTUSES DATED JANUARY 23, 2006 The prospectuses for all share classes of the Fund are hereby supplemented to reflect the following: o Kevin V. Durkin is an additional team member of the Causeway Capital Management LLC ("Causeway") portfolio management team that makes the day-to-day investment decisions for its portion of the Columbia Multi-Advisor International Equity Fund. Accordingly, the prospectuses for all share classes of the Fund are hereby also supplemented by adding the following biography to the discussion of the Causeway portfolio managers responsible for making the day-to-day investment decisions for the Fund: KEVIN V. DURKIN Kevin Durkin is a Vice President of Causeway and is responsible for research in the global consumer staples, industrials and energy sectors. Mr. Durkin joined Causeway in June 2001. From 1999 to June 2001, Mr. Durkin was with the Hotchkis and Wiley division of Merrill Lynch Investment Managers, L.P. in Los Angeles, where he was an equity research associate for the International and Global Value Equity Team. INT-47/110877-0506 COLUMBIA FUNDS SERIES TRUST COLUMBIA MULTI-ADVISOR INTERNATIONAL EQUITY FUND (THE "FUND") SUPPLEMENT DATED MAY 19, 2006 TO THE STATEMENT OF ADDITIONAL INFORMATION FOR CLASS A, B, C AND Z SHARES DATED AUGUST 1, 2005, AND TO THE STATEMENT OF ADDITIONAL INFORMATION FOR CLASS R SHARES DATED JANUARY 23, 2006 The Statement of Additional Information for all share classes of the Fund is hereby supplemented as follows: 1. The table following the heading "Other Accounts Managed by the Portfolio Managers" in the section "PORTFOLIO MANAGERS" is hereby supplemented to reflect the following:

2. The table following the heading "Accounts and Assets for which Advisory Fee is Based on Performance" in the section "PORTFOLIO MANAGERS" is hereby supplemented to reflect the following:

3. The table following the heading "Ownership of Securities" in the section "PORTFOLIO MANAGERS" is hereby supplemented to reflect the following:

INT-50/111060-05066 -----END PRIVACY-ENHANCED MESSAGE-----