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): AUGUST 3, 2006


                        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 August 3, 2006 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, 2007 and will be paid as follows: 1)
each non-employee director will receive an annual cash retainer of $40,000 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 an equity award of $50,000 per year,
which amount may be deferred into the Plan or taken in shares of stock of the
Company.

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:  August 9, 2006    /s/ Rodney L. Underdown
                         --------------------------------------
                         Rodney L. Underdown
                         Vice President, Chief Financial Officer, Secretary and
                         Treasurer