Chicago Mercantile Exchange Holdings Inc. (Form: 8-K)  

 

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):   December 1, 2006

Chicago Mercantile Exchange Holdings Inc.
__________________________________________
(Exact name of registrant as specified in its charter)

     
Delaware 000-33379 36-4459170
_____________________
(State or other jurisdiction 		_____________
(Commission 		______________
(I.R.S. Employer
of incorporation) File Number) Identification No.)
      
20 South Wacker Drive, Chicago, Illinois   60606
_________________________________
(Address of principal executive offices) 		  ___________
(Zip Code)
     
Registrant’s telephone number, including area code:   312-930-1000

Not Applicable
______________________________________________
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:

[x]  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))

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Item 8.01 Other Events.

On December 1, 2006, Chicago Mercantile Exchange Holdings Inc. issued a press release announcing that it received a Request for Additional Information (Second Request) from the U.S. Department of Justice regarding its proposed merger with CBOT Holdings, Inc., a copy of which is attached hereto as Exhibit 99.1.





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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.

         
    Chicago Mercantile Exchange Holdings Inc.
          
December 1, 2006   By:   Kathleen M. Cronin
       
        Name: Kathleen M. Cronin
        Title: Managing Director, General Counsel and Corporate Secretary

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Exhibit Index


     
Exhibit No.   Description
 
99.1
  Press Release, dated December 1, 2006