UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                    FORM 8-K

        CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES
                              EXCHANGE ACT OF 1934

       Date of Report (Date of earliest event reported): November 3, 2005


                        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 incorporation or             (I.R.S. Employer
                 organization)                            Identification Number)


                             9900 WEST 109TH STREET
                                    SUITE 600
                             OVERLAND PARK, KS 66210
                                 (913) 344-9200
          (Address of principal executive offices and telephone number)


                                       N/A
          (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 240.14a-12)

[ ]  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 1.01 ENTRY INTO A MATERIAL DEFINITIVE AGREEMENT

         On November 3, 2005 the board of directors approved annual retainer
compensation for each non-employee member of the board of directors. The annual
retainer compensation becomes effective January 1, 2006 and will be paid as
follows: 1) each non-employee director will receive $37,500 per year, which
amount may be received either in cash or deferred into the Directors Deferred
Compensation Plan (the "Plan") at the election of the director; and 2) each
non-employee director will receive $45,000 per year, which amount must be
deferred into the Plan and cannot be withdrawn until the director leaves the
board of directors. The board of directors also approved the committee chairman
retainers, effective January 1, 2006.

The foregoing description of the annual retainer compensation for the board of
directors is qualified in its entirety by reference to the Summary of
Non-Employee Director Compensation Program, attached as Exhibit 10.1 and
incorporated herein by reference.

ITEM 9.01 FINANCIAL STATEMENTS AND EXHIBITS.

(c) Exhibits.


10.1 Summary of Non-Employee Director Compensation Program


                                   SIGNATURES

         Pursuant to the requirements of the 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:  November 8, 2005                     /s/ Rodney L. Underdown
                                            ------------------------------------
                                            Rodney L. Underdown
                                            Chief Financial Officer