form8k.htm

 
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): September 5, 2007

CME Group Inc.
(Exact name of registrant as specified in its charter)

Delaware
  
000-33379
  
36-4459170
(State or other jurisdiction of incorporation)
  
(Commission File Number)
  
(IRS Employer 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:
 
o
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
   
o
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
   
o
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
   
o
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))



Item 8.01                      Other Events.

On September 5, 2007, CME Group Inc. issued a press release announcing the final results of its tender offer for up to 6,250,000 shares of its Class A common stock, which expired at 5:00 P.M., New York City time, on August 29, 2007.  A copy of the press release is filed as Exhibit 99.1 hereto and is incorporated herein by reference.

Item 9.01                      Financial Statements and Exhibits.

(d)           Exhibits.

Exhibit
Number
  
Description
     
99.1
  
Press release issued on September 5, 2007.
 
 

 
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.

CME GROUP INC.


By:      /s/ Kathleen M. Cronin                                           
  Kathleen M. Cronin
Managing Director, General Counsel and
Corporate Secretary

Dated:  September 5, 2007




EXHIBIT INDEX

Exhibit
Number
  
Description
     
99.1
  
Press release issued on September 5, 2007.