WASHINGTON, D.C. 20549

                                    FORM 8-K

                              EXCHANGE ACT OF 1934
       Date of Report (Date of earliest event reported): December 14, 2004

                        Commission File Number 001-31921

                      Compass Minerals International, Inc.
             (Exact name of registrant as specified in its charter)

         Delaware                                               36-3972986
(State or other jurisdiction of                             (I.R.S. Employer
 incorporation or organization)                           Identification Number)

                               8300 College Blvd.
                             Overland Park, KS 66210
                                 (913) 344-9200
          (Address of principal executive offices and telephone number)

          (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions:

|_|  Written communications pursuant to Rule 425 under the Securities Act (17
     CFR 230.425)

|_|  Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR

|_|  Pre-commencement communications pursuant to Rule 14d-2(b) under the
     Exchange Act (17 CFR 240.14d-2(b))

|_|  Pre-commencement communications pursuant to Rule 13e-4(c) under the
     Exchange Act (17 CFR 240-13e-4(c))

Item 5.02 Departure Of Directors Or Principal Officers; Election Of Directors;
          Appointment of Principal Officers

     Effective December 14, 2004, the Board of Directors of Compass Minerals
International, Inc. (the "Corporation") appointed Perry W. Premdas to the Board
of Directors of the Corporation. Mr. Premdas, formerly the chief financial
officer of Celanese AG and a member of its board of management, was appointed to
a term expiring at the Corporation's 2006 Annual Meeting of Shareholders. Mr.
Premdas will serve on the board's audit and compensation committees. There are
no arrangements or understandings between Mr. Premdas and any other persons
pursuant to which Mr. Premdas was selected as a director. There have been no
transactions since the beginning of the Corporation's last fiscal year, or any
proposed transactions, to which the Corporation or any of its subsidiaries was
or is to be a party, in which the amount involved exceeds $60,000 and in which
Mr. Premdas, or any member of his immediate family, has or will have a direct or
indirect material interest.

     On December 15, 2004, the Corporation issued a press release announcing
that Mr. Premdas has been appointed to the Board. A copy of the press release is
attached as Exhibit 99.1 to this Current Report on Form 8-K.

Item 9.01 Financial Statements and Exhibits

(c)  Exhibits:

Exhibit No.           Document
-----------           --------
99.1                  Press Release disseminated on December 15, 2004 by Compass
                      Minerals International, Inc.


     Pursuant to the requirements of Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.

                                            COMPASS MINERALS INTERNATIONAL, INC.

Date: December 15, 2004                     /s/ Rodney L. Underdown
                                            Rodney L. Underdown
                                            Chief Financial Officer