497 1 cfst_cfsti.txt SAI SUPP CFST AND CFST I PM CHGS COLUMBIA FUNDS SERIES TRUST CORPORATE BOND PORTFOLIO Supplement to the Statement of Additional Information, dated August 1, 2007 COLUMBIA FUNDS SERIES TRUST I COLUMBIA CORE BOND FUND Supplement to the Statement of Additional Information, dated September 1, 2007 COLUMBIA U.S. TREASURY INDEX FUND Supplement to the Statement of Additional Information, dated August 1, 2007 (the "Funds") Effective March 28, 2008, Brian Drainville will no longer serve as a portfolio manager of the Funds. Accordingly, all references to Brian Drainville as manager of Columbia U.S. Treasury Index Fund and as co-manager of Corporate Bond Portfolio and Columbia Core Bond Fund are removed from the Statements of Additional Information of the Funds. The following information as it pertains to the Columbia Core Bond Fund is revised as follows: The following is added to the table under the heading "Portfolio Manager(s) of the Advisor": ------------------------------------------------------- ----------------------------------------------------- Portfolio Manager Fund ------------------------------------------------------- ----------------------------------------------------- ------------------------------------------------------- ----------------------------------------------------- Carl W. Pappo Core Bond Fund ------------------------------------------------------- -----------------------------------------------------
The following table under the heading "Compensation" is revised and replaced in its entirety: -------------------------------- ----------------------------------------- --------------------------------------------------- Portfolio Manager Performance Benchmark Peer Group -------------------------------- ----------------------------------------- --------------------------------------------------- -------------------------------- ----------------------------------------- --------------------------------------------------- Carl W. Pappo Lehman Brothers Lipper Corporate Debt U.S. Aggregate Bond Index Funds A Rated Classification -------------------------------- ----------------------------------------- ---------------------------------------------------
The following is added to the table under the heading "Other Accounts Managed by the Portfolio Manager(s)": -------------------------------- -------------------------------- -------------------------------- ------------------------------ Other SEC-registered open-end and Other pooled investment Portfolio Manager closed-end funds vehicles Other accounts -------------------------------- -------------------------------- -------------------------------- ------------------------------ -------------------------------- ------------ ------------------- ------------ ------------------- ------------ ----------------- Number of Assets Number of Assets Number of Assets accounts accounts accounts -------------------------------- ------------ ------------------- ------------ ------------------- ------------ ----------------- -------------------------------- ------------ ------------------- ------------ ------------------- ------------ ----------------- Carl W. Pappo 4 $5,025,000 0 $0 3 $850,000 -------------------------------- ------------ ------------------- ------------ ------------------- ------------ ----------------- *Account information is provided as of February 29, 2008.
The following is added to the table under the heading "Other Accounts Managed by the Portfolio Manager(s) for which Compensation is Based on Performance": -------------------------------- -------------------------------- -------------------------------- ------------------------------ Other SEC-registered open-end and Other pooled investment Portfolio Manager closed-end funds vehicles Other accounts -------------------------------- -------------------------------- -------------------------------- ------------------------------ -------------------------------- ------------ ------------------- ------------ ------------------- ------------ ----------------- Number of Assets Number of Assets Number of Assets accounts accounts accounts -------------------------------- ------------ ------------------- ------------ ------------------- ------------ ----------------- -------------------------------- ------------ ------------------- ------------ ------------------- ------------ ----------------- Carl W. Pappo 0 $0 0 $0 0 $0 -------------------------------- ------------ ------------------- ------------ ------------------- ------------ ----------------- *Account information is provided as of February 29, 2008. The following table under the heading "Ownership of Securities" is revised and replaced in its entirety: ---------------------------------------------------------------- ------------------------------------------------------------- Dollar Range of Equity Portfolio Manager Securities in the Fund Beneficially Owned ---------------------------------------------------------------- ------------------------------------------------------------- ---------------------------------------------------------------- ------------------------------------------------------------- Carl W. Pappo None ---------------------------------------------------------------- ------------------------------------------------------------- * Account information is provided as of February 29, 2008. The following information as it pertains to the Columbia U.S. Treasury Index Fund is revised as follows: The following table under the heading "Portfolio Manager(s) of the Advisor" is revised and replaced in its entirety: ------------------------------------------------------- ----------------------------------------------------- Portfolio Manager Fund ------------------------------------------------------- ----------------------------------------------------- ------------------------------------------------------- ----------------------------------------------------- Jonathan P. Carlson U.S. Treasury Index Fund ------------------------------------------------------- -----------------------------------------------------
The following table under the heading "Compensation" is revised and replaced in its entirety: -------------------------------- ----------------------------------------- --------------------------------------------------- Portfolio Manager Performance Benchmark Peer Group -------------------------------- ----------------------------------------- --------------------------------------------------- -------------------------------- ----------------------------------------- --------------------------------------------------- Jonathan P. Carlson Citigroup Bond U.S. Treasury Index General U.S. Treasury Index -------------------------------- ----------------------------------------- ---------------------------------------------------
The following table under the heading "Other Accounts Managed by the Portfolio Manager(s)" is revised and replaced in its entirety:
Other SEC-registered open-end and Other pooled investment Portfolio Manager closed-end funds vehicles Other accounts Number of Assets Number of Assets Number of Assets accounts accounts accounts Jonathan P. Carlson 5 $5.03 billion 9 $2.28 billion 12 $307.13 million
*Account information is provided as of February 29, 2008. The following table under the heading "Other Accounts Managed by the Portfolio Manager(s) for which Compensation is Based on Performance" is revised and replaced in its entirety: Other SEC-registered open-end and Other pooled investment Portfolio Manager closed-end funds vehicles Other accounts -------------------------------- -------------------------------- -------------------------------- ------------------------------ -------------------------------- ------------ ------------------- ------------ ------------------- ------------ ----------------- Number of Assets Number of Assets Number of Assets accounts accounts accounts -------------------------------- ------------ ------------------- ------------ ------------------- ------------ ----------------- -------------------------------- ------------ ------------------- ------------ ------------------- ------------ ----------------- Jonathan P. Carlson 0 $0 0 $0 0 $0 -------------------------------- ------------ ------------------- ------------ ------------------- ------------ -----------------
*Account information is provided as of February 29, 2008. The following table under the heading "Ownership of Securities" is revised and replaced in its entirety: --------------------------------------- ------------------------------- ----------------------------------------- Fund Dollar Range of Portfolio Manager Equity Securities in the Fund Beneficially Owned --------------------------------------- ------------------------------- ----------------------------------------- --------------------------------------- ------------------------------- ----------------------------------------- Jonathan P. Carlson U.S. Treasury Index Fund None --------------------------------------- ------------------------------- ----------------------------------------- * Account information is provided as of February 29, 2008.
INT-50/151604-0308 April 29, 2008