UNITED STATES
                          SECURITIES AND EXCHANGE COMMISSION
                                 Washington, DC 20549


                              SCHEDULE 14A INFORMATION

                  Proxy Statement Pursuant to Section 14(a) of the
                           Securities Exchange Act of 1934

Filed by the registrant |X|   Filed by a party other than the registrant |_|

Check the appropriate box:

|_|  Preliminary proxy statement

|_|  Confidential, for Use of the Commission Only (as permitted by
     Rule 14a-6(e)(2))

|_|  Definitive proxy statement

|X|  Definitive additional materials

|_|  Soliciting material pursuant to Rule 14a-11(c) or Rule 14a-12

                              Columbia Funds Series Trust I
                    (Name of Registrant as Specified In Its Charter)

 Payment of filing fee (Check the appropriate box):

|X| No fee required.

|_| Fee computed on table below per Exchange Act Rules 14a-6(i)(4) and 0-11.
 (1) Title of each class of securities to which transaction applies:
 (2) Aggregate number of securities to which transaction applies:
 (3) Per unit price or other underlying value of transaction computed pursuant
     to Exchange Act Rule 0-11:
 (4) Proposed maximum aggregate value of transaction:
 (5) Total fee paid:

|_|  Fee paid previously with preliminary materials

|_| Check box if any part of the fee is offset as provided by Exchange Act Rule
0-11(a)(2) and identify the filing for which the offsetting fee was paid
previously. Identify the previous filing by registration statement number, or
the form or schedule and the date of its filing.

     (1) Amount Previously Paid:
     (2) Form, Schedule or Registration Statement No.:
     (3) Filing party:
     (4) Date filed:






IMPORTANT NOTICE



- -------------------------------------------------------------------------------


                        Columbia Real Estate Equity Fund




                         SPECIAL MEETING OF SHAREHOLDERS
                                February 1, 2008

     We recently distributed proxy materials relating to a special meeting of
     shareholders of Columbia Real Estate Equity Fund, scheduled for February 1,
     2008, at 2:00 p.m., Eastern time. Your vote for this important meeting has
     not yet been received.

     We encourage you to utilize one of the following options today to record
     your vote:

     1.  By Phone: You may cast your vote by telephone by calling the toll-free
         number and entering the Control Number printed on the Proxy Card.

     2.  By Internet: You may cast your vote on line by logging on to the
         Internet address printed on the enclosed Proxy Card, entering the
         Control Number printed on the Proxy Card and following the instructions
         on the Web site.

     3.  By Mail: If you prefer to vote by mail, please complete the Proxy Card
         and return it in the enclosed postage-paid envelope.

                 Remember, your vote counts. Please vote today.

     If you have any questions regarding the proposal, please call
     Computershare Fund Services, your Fund's proxy agent, at 866.492.5763.
     Representatives are available Monday through Friday between the
     hours of 9:00 a.m. and 11:00 p.m. and Saturday from 12:00 p.m. to
     6:00 p.m., Eastern time.


     Your vote will help reduce the need for additional solicitation efforts or
     costly meeting adjournments. As the special meeting approaches, certain
     shareholders of the Fund may receive a telephone call from a representative
     of Computershare Fund Services if their votes have not yet been received.

     Thank you for your prompt attention to this matter.