Document:

Issuing and Paying Agency Agreement

 Exhibit 4.3 
 ISSUING AND PAYING AGENCY AGREEMENT 
 This Agreement, dated as of August 16, 2007, is by and
between CME Group Inc. (the “Issuer”) and JPMorgan Chase Bank, National Association (“JPMorgan”). 
  

	1.	APPOINTMENT AND ACCEPTANCE 

 The Issuer hereby
appoints JPMorgan as its issuing and paying agent in connection with the issuance and payment of certain short-term promissory notes of the Issuer (the “Notes”), as further described herein, and JPMorgan agrees to act as such agent
upon the terms and conditions contained in this Agreement. 
  

	2.	COMMERCIAL PAPER PROGRAMS 

 The Issuer may establish
one or more commercial paper programs under this Agreement by delivering to JPMorgan a completed program schedule (the “Program Schedule”), with respect to each such program. JPMorgan has given the Issuer a copy of the
current form of Program Schedule and the Issuer shall complete and return its first Program Schedule to JPMorgan prior to or simultaneously with the execution of this Agreement. In the event that any of the information provided in, or attached to, a
Program Schedule shall change, the Issuer shall promptly inform JPMorgan of such change in writing. 
  

	3.	NOTES  

 All Notes issued by the Issuer under
this Agreement shall be short-term promissory notes, exempt from the registration requirements of the Securities Act of 1933, as amended, as indicated on the Program Schedules, and from applicable state securities laws. The Notes may be placed by
dealers (the “Dealers”) pursuant to Section 4 hereof. Notes shall be issued in either certificated or book-entry form. 
  

	4.	AUTHORIZED REPRESENTATIVES 

 The
Issuer shall deliver to JPMorgan a duly adopted corporate resolution from the Issuer’s Board of Directors (or other governing body) authorizing the issuance of Notes under each program established pursuant to this Agreement and a certificate of
incumbency, with specimen signatures attached, of those officers, employees and agents of the Issuer authorized to take certain actions with respect to the Notes as provided in this Agreement (each such person is hereinafter referred to as an
“Authorized Representative”). Until JPMorgan receives any subsequent incumbency certificates of the Issuer, JPMorgan shall be entitled to rely on the last incumbency certificate delivered to it for the purpose of determining the
Authorized Representatives. The Issuer represents and warrants that each Authorized Representative may appoint other officers, employees and agents of the Issuer (the “Delegates”), including without limitation any Dealers, to issue
instructions to JPMorgan under this Agreement, and take other actions on the Issuer’s behalf hereunder, provided that notice of the appointment of each Delegate is delivered to JPMorgan in writing. Each such appointment shall remain in effect
unless and until revoked by the Issuer in a written notice to JPMorgan. 
  

	5.	CERTIFICATED NOTES 

 If and when the Issuer intends
to issue certificated notes (“Certificated Notes”), the Issuer and JPMorgan shall agree upon the form of such Notes. Thereafter, the Issuer shall from time to time deliver to JPMorgan adequate supplies of Certificated Notes which
will be in bearer form, serially numbered, and shall be executed by the manual or facsimile signature of an Authorized Representative. JPMorgan will acknowledge receipt of any supply of Certificated 

 
Notes received from the Issuer, noting any exceptions to the shipping manifest or transmittal letter (if any), and will hold the Certificated Notes in
safekeeping for the Issuer in accordance with JPMorgan’s customary practices. JPMorgan shall not have any liability to the Issuer to determine by whom or by what means a facsimile signature may have been affixed on Certificated Notes, or to
determine whether any facsimile or manual signature is genuine, if such facsimile or manual signature resembles the specimen signature attached to the Issuer’s certificate of incumbency with respect to such Authorized Representative. Any
Certificated Note bearing the manual or facsimile signature of a person who is an Authorized Representative on the date such signature was affixed shall bind the Issuer after completion thereof by JPMorgan, notwithstanding that such person shall
have ceased to hold his or her office on the date such Note is countersigned or delivered by JPMorgan. 
  

	6.	BOOK-ENTRY NOTES 

 The Issuer’s book-entry
notes (“Book-Entry Notes”) shall not be issued in physical form, but their aggregate face amount shall be represented by a master note (the “Master Note”) in the form of Exhibit A executed by the Issuer pursuant to
the book-entry commercial paper program of The Depository Trust Company (“DTC”). JPMorgan shall maintain the Master Note in safekeeping, in accordance with its customary practices, on behalf of Cede & Co., the registered
owner thereof and nominee of DTC. As long as Cede & Co. is the registered owner of the Master Note, the beneficial ownership interest therein shall be shown on, and the transfer of ownership thereof shall be effected through, entries on the
books maintained by DTC and the books of its direct and indirect participants. The Master Note and the Book-Entry Notes shall be subject to DTC’s rules and procedures, as amended from time to time. JPMorgan shall not be liable or responsible
for sending transaction statements of any kind to DTC’s participants or the beneficial owners of the Book-Entry Notes, or for maintaining, supervising or reviewing the records of DTC or its participants with respect to such Notes. In connection
with DTC’s program, the Issuer understands that as one of the conditions of its participation therein, it shall be necessary for the Issuer and JPMorgan to enter into a Letter of Representations, in the form of Exhibit B hereto, and for DTC to
receive and accept such Letter of Representations. In accordance with DTC’s program, JPMorgan shall obtain from the CUSIP Service Bureau a written list of CUSIP numbers for Issuer’s Book-Entry Notes, and JPMorgan shall deliver such list to
DTC. The CUSIP Service Bureau shall bill the Issuer directly for the fee or fees payable for the list of CUSIP numbers for the Issuer’s Book-Entry Notes. 
  

	7.	ISSUANCE INSTRUCTIONS TO JPMORGAN; PURCHASE PAYMENTS 

 The Issuer understands that all instructions under this Agreement are to be directed to JPMorgan’s Commercial Paper Operations Department in accordance with Section 18 hereof. JPMorgan shall provide the Issuer, or, if applicable,
the Issuer’s Dealers, with access to JPMorgan’s Money Market Issuance System or other electronic means (collectively, the “System”) in order that JPMorgan may receive electronic instructions for the issuance of Notes.
Electronic instructions must be transmitted in accordance with the procedures furnished by JPMorgan to the Issuer or its Dealers in connection with the System. These transmissions shall be the equivalent to the giving of a duly authorized written
and signed instruction which JPMorgan may act upon without liability. In the event that the System is inoperable at any time, an Authorized Representative or a Delegate may deliver written, telephone or facsimile instructions to JPMorgan, which
instructions shall be verified in accordance with any security procedures agreed upon by the parties. JPMorgan shall incur no liability to the Issuer in acting upon instructions believed by JPMorgan in good faith to have been given by an Authorized
Representative or a Delegate. In the event that a discrepancy exists between a telephonic instruction and a written confirmation, the telephonic instruction will be deemed the controlling and proper instruction. JPMorgan may electronically record
any customary conversations made pursuant to this Agreement, and the Issuer hereby consents to such recordings. All issuance instructions regarding the Notes must be received by 1:00 P.M. New York time in order for the Notes to be issued or
delivered on the same day. 
  

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 (a) Issuance and Purchase of Book-Entry Notes. Upon receipt of issuance instructions from
the Issuer or its Dealers with respect to Book-Entry Notes, JPMorgan shall transmit such instructions to DTC and direct DTC to cause appropriate entries of the Book-Entry Notes to be made in accordance with DTC’s applicable rules, regulations
and procedures for book-entry commercial paper programs. JPMorgan shall assign CUSIP numbers to the Issuer’s Book-Entry Notes to identify the Issuer’s aggregate principal amount of outstanding Book-Entry Notes in DTC’s system,
together with the aggregate unpaid interest (if any) on such Notes. Promptly following DTC’s established settlement time on each issuance date, JPMorgan shall access DTC’s system to verify whether settlement has occurred with respect to
the Issuer’s Book-Entry Notes. Prior to the close of business on such business day, JPMorgan shall deposit immediately available funds in the amount of the proceeds due the Issuer (if any) to the Issuer’s account at JPMorgan and designated
in the applicable Program Schedule (the “Account”), provided that JPMorgan has received DTC’s confirmation that the Book-Entry Notes have settled in accordance with DTC’s applicable rules, regulations and
procedures. JPMorgan shall have no liability to the Issuer whatsoever if any DTC participant purchasing a Book-Entry Note fails to settle or delays in settling its balance with DTC or if DTC fails to perform in any respect. 
 (b) Issuance and Purchase of Certificated Notes. Upon receipt of issuance instructions with respect to Certificated Notes, JPMorgan shall:
(a) complete each Certificated Note as to principal amount, date of issue, maturity date, place of payment, and rate or amount of interest (if such Note is interest bearing) in accordance with such instructions; (b) countersign each
Certificated Note; and (c) deliver each Certificated Note in accordance with the Issuer’s instructions, except as otherwise set forth below. Whenever JPMorgan is instructed to deliver any Certificated Note by mail, JPMorgan shall strike
from the Certificated Note the word “Bearer,” insert as payee the name of the person so designated by the Issuer and effect delivery by mail to such payee or to such other person as is specified in such instructions to receive the
Certificated Note. The Issuer understands that, in accordance with the custom prevailing in the commercial paper market, delivery of Certificated Notes shall be made before the actual receipt of payment for such Notes in immediately available funds,
even if the Issuer instructs JPMorgan to deliver a Certificated Note against payment. Therefore, once JPMorgan has delivered a Certificated Note to the designated recipient, the Issuer shall bear the risk that such recipient may fail to remit
payment of such Note or return such Note to JPMorgan. Delivery of Certificated Notes shall be subject to the rules of the New York Clearing House in effect at the time of such delivery. Funds received in payment of Certificated Notes shall be
credited to the Account. 
  

	8.	USE OF SALES PROCEEDS IN ADVANCE OF PAYMENT 

 JPMorgan shall not be obligated to credit the Issuer’s Account unless and until payment of the purchase price of each Note is received by JPMorgan. From time to time, JPMorgan, in its sole discretion, may permit the Issuer to have use
of funds payable with respect to a Note prior to JPMorgan’s receipt of the sales proceeds of such Note. If JPMorgan makes a deposit, payment or transfer of funds on behalf of the Issuer before JPMorgan receives payment for any Note, such
deposit, payment or transfer of funds shall represent an advance by JPMorgan to the Issuer to be repaid promptly, and in any event on the same day as it is made, from the proceeds of the sale of such Note, or by the Issuer if such proceeds are not
received by JPMorgan. 
  

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	9.	PAYMENT OF MATURED NOTES 

 Notice that the
Issuer will not redeem any Note on the relative Initial Redemption Date (as defined in the applicable Extendible Commercial Note Announcement) must be received in writing by JPMorgan by 11:00 A.M. on such Initial Redemption Date. On any other day
when a Note matures or is prepaid, the Issuer shall transmit, or cause to be transmitted, to the Account, prior to 2:00 P.M. New York time on the same day, an amount of immediately available funds sufficient to pay the aggregate principal amount of
such Note and any applicable interest due. JPMorgan shall pay the interest (if any) and principal on a Book-Entry Note to DTC in immediately available funds, which payment shall be by net settlement of JPMorgan’s account at DTC. JPMorgan shall
pay Certificated Notes upon presentment. JPMorgan shall have no obligation under the Agreement to make any payment for which there is not sufficient, available and collected funds in the Account, and JPMorgan may, without liability to the Issuer,
refuse to pay any Note that would result in an overdraft to the Account. 
  

	10.	OVERDRAFTS 

 (a) Intraday overdrafts with respect to
each Account shall be subject to JPMorgan’s policies as in effect from time to time. 
 (b) An overdraft will exist in an Account if
JPMorgan, in its sole discretion, (i) permits an advance to be made pursuant to Section 8 and, notwithstanding the provisions of Section 8, such advance is not repaid in full on the same day as it is made, or (ii) pays a Note
pursuant to Section 9 in excess of the available collected balance in such Account. Overdrafts shall be subject to JPMorgan’s established banking practices, including, without limitation, the imposition of interest, funds usage charges and
administrative fees. The Issuer shall repay any such overdraft, fees and charges no later than the next business day, together with interest on the overdraft at the rate established by JPMorgan for the Account, computed from and including the date
of the overdraft to the date of repayment. 
  

	11.	NO PRIOR COURSE OF DEALING 

 No prior action or
course of dealing on the part of JPMorgan with respect to advances of the purchase price or payments of matured Notes shall give rise to any claim or cause of action by the Issuer against JPMorgan in the event that JPMorgan refuses to pay or settle
any Notes for which the Issuer has not timely provided funds as required by this Agreement. 
  

	12.	RETURN OF CERTIFICATED NOTES 

 JPMorgan will in due
course cancel any Certificated Note presented for payment and return such Note to the Issuer. JPMorgan shall also cancel and return to the Issuer any spoiled or voided Certificated Notes. Promptly upon written request of the Issuer or at the
termination of this Agreement, JPMorgan shall destroy all blank, unissued Certificated Notes in its possession and furnish a certificate to the Issuer certifying such actions. 
  

	13.	INFORMATION FURNISHED BY JPMORGAN 

 Upon the
reasonable request of the Issuer, JPMorgan shall promptly provide the Issuer with information with respect to any Note issued and paid hereunder, provided, that the Issuer delivers such request in writing and, to the extent applicable,
includes the serial number or note number, principal amount, payee, date of issue, maturity date, amount of interest (if any) and place of payment of such Note. 
  

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	14.	REPRESENTATIONS AND WARRANTIES 

 The Issuer
represents and warrants that: (i) it has the right, capacity and authority to enter into this Agreement; and (ii) it will comply with all of its obligations and duties under this Agreement. The Issuer further represents and agrees that
each Note issued and distributed upon its instruction pursuant to this Agreement shall constitute the Issuer’s representation and warranty to JPMorgan that such Note is a legal, valid and binding obligation of the Issuer, subject to applicable
bankruptcy, insolvency and similar laws affecting creditors’ rights generally and subject, as to enforceability, to general principles of equity (regardless of whether enforcement is sought in a proceeding in equity or at law), and that such
Note is being issued in a transaction which is exempt from registration under the Securities Act of 1933, as amended, and any applicable state securities law. 
  

	15.	DISCLAIMERS 

 Neither JPMorgan nor its
directors, officers, employees or agents shall be liable for any act or omission under this Agreement except in the case of gross negligence or willful misconduct. IN NO EVENT SHALL JPMORGAN BE LIABLE FOR SPECIAL, INDIRECT OR CONSEQUENTIAL LOSS OR
DAMAGE OF ANY KIND WHATSOEVER (INCLUDING BUT NOT LIMITED TO LOST PROFITS), EVEN IF JPMORGAN HAS BEEN ADVISED OF THE LIKELIHOOD OF SUCH LOSS OR DAMAGE AND REGARDLESS OF THE FORM OF ACTION. In no event shall JPMorgan be considered negligent in
consequence of complying with DTC’s rules, regulations and procedures. The duties and obligations of JPMorgan, its directors, officers, employees or agents shall be determined by the express provisions of this Agreement and they shall not be
liable except for the performance of such duties and obligations as are specifically set forth herein and no implied covenants shall be read into this Agreement against them. Neither JPMorgan nor its directors, officers, employees or agents shall be
required to ascertain whether any issuance or sale of any Notes (or any amendment or termination of this Agreement) has been duly authorized or is in compliance with any other agreement to which the Issuer is a party (whether or not JPMorgan is also
a party to such agreement). 
  

	16.	INDEMNIFICATION 

 The Issuer agrees to
indemnify, defend and hold harmless JPMorgan, its directors, officers, employees and agents (collectively, “indemnitees”) from and against any and all liabilities, claims, losses, damages, penalties, reasonable costs and expenses
(including reasonable attorneys’ fees and disbursements) suffered or incurred by or asserted or assessed against any indemnitee arising in respect of this Agreement, except in respect of any indemnitee for any such liability, claim, loss,
damage, penalty, cost or expense resulting from the gross negligence or willful misconduct of such indemnitee. This indemnity will survive the termination of this Agreement. 
  

	17.	OPINION OF COUNSEL 

 The Issuer shall deliver
to JPMorgan all documents it may reasonably request relating to the existence of the Issuer and authority of the Issuer for this Agreement, including, without limitation, an opinion of counsel, substantially in the form of Exhibit C hereto.

  

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	18.	NOTICES 

 All notices, confirmations and other
communications hereunder shall (except to the extent otherwise expressly provided) be in writing and shall be sent by first-class mail, postage prepaid, by telecopier or by hand, addressed as follows, or to such other address as the party receiving
such notice shall have previously specified to the party sending such notice: 
  

			
	If to the Issuer:	 	CME Group Inc.
		 	20 South Wacker Drive
		 	Chicago, Illinois 60606
		 	Attention of: Chief Financial Officer (Telecopy No. (312) 930-3016)
		 	with copies to Treasurer (Telecopy No. (312) 930-3016) and to General Counsel (Telecopy No. (312) 930-4556)

 If to JPMorgan concerning the daily issuance and redemption of Notes: 
  

					
	 	  	Attention: Money Market Operations
		  	420 West Van Buren, 5th Floor
		  	Chicago, IL 60606
		  	Telephone:	 	(800) 499-3176/ (312) 954-0445
		  	Facsimile:	 	(312) 954-0432
		
	All other:	  	Attention: Commercial Paper JPM
		  	4 New York Plaza 21st Floor
		  	New York NY 10004-2413
		  	Telephone:	 	(212) 623-8220
		  	Facsimile:	 	(212) 623-8420/21

  

	19.	COMPENSATION 

 The Issuer shall pay
compensation for services pursuant to this Agreement in accordance with the pricing schedules furnished by JPMorgan to the Issuer from time to time and upon such payment terms as the parties shall determine. The Issuer shall also reimburse JPMorgan
for any fees and charges imposed by DTC with respect to services provided in connection with the Book-Entry Notes. 
  

	20.	BENEFIT OF AGREEMENT 

 This Agreement
is solely for the benefit of the parties hereto and no other person shall acquire or have any right under or by virtue hereof. 
  

	21.	TERMINATION 

 This Agreement may be terminated
without affecting the respective liabilities of the parties hereunder arising prior to such termination: (i) upon 30 days notice to the other party for any reason; or (ii) immediately upon notice to the other party if any of the following
events shall occur: 
 (a) either party shall materially breach this Agreement or fail to observe or perform any material
covenant, condition or agreement contained in this Agreement; 
 (b) an involuntary proceeding shall be commenced or an
involuntary petition shall be filed seeking (i) liquidation, reorganization or other relief in respect of the Issuer or its debts, or of a substantial part of its assets, under any Federal, state or foreign bankruptcy, insolvency, receivership
or similar law now or hereafter in effect or (ii) the appointment of a receiver, trustee, custodian, sequestrator, conservator or similar official for the Issuer or for a substantial part of its assets, or an order or decree approving or
ordering any of the foregoing shall be entered; or 
 (c) the Issuer shall (i) voluntarily commence any proceeding or
file any petition seeking liquidation, reorganization or other relief under any Federal, state or foreign bankruptcy, insolvency, receivership or similar law now or hereafter in effect, (ii) consent to the institution of, or fail to contest in
a timely and appropriate manner, any proceeding 

  

 6 

 
or petition described in the immediately preceding paragraph, (iii) apply for or consent to the appointment of a receiver, trustee, custodian,
sequestrator, conservator or similar official for the Issuer or for a substantial part of its assets, (iv) file an answer admitting the material allegations of a petition filed against it in any such proceeding, (v) make a general
assignment for the benefit of creditors or (vi) take any action for the purpose of effecting any of the foregoing. 
  

	22.	FORCE MAJEURE 

 In no event shall JPMorgan be liable
for any failure or delay in the performance of its obligations hereunder because of circumstances beyond JPMorgan’s control, including, but not limited to, acts of God, flood, war (whether declared or undeclared), terrorism, fire, riot, strikes
or work stoppages for any reason, embargo, government action, including any laws, ordinances, regulations or the like which restrict or prohibit the providing of the services contemplated by this Agreement, inability to obtain material, equipment,
or communications or computer facilities, or the failure of equipment or interruption of communications or computer facilities, and other causes beyond JPMorgan’s control whether or not of the same class or kind as specifically named above.

  

	23.	ENTIRE AGREEMENT 

 This Agreement, together with the
exhibits attached hereto, constitutes the entire agreement between JPMorgan and the Issuer with respect to the subject matter hereof and supersedes in all respects all prior proposals, negotiations, communications, discussions and agreements between
the parties concerning the subject matter of this Agreement. 
  

	24.	WAIVERS AND AMENDMENTS 

 No failure or delay on the
part of any party in exercising any power or right under this Agreement shall operate as a waiver, nor does any single or partial exercise of any power or right preclude any other or further exercise, or the exercise of any other power or right. Any
such waiver shall be effective only in the specific instance and for the purpose for which it is given. No amendment, modification or waiver of any provision of this Agreement shall be effective unless the same shall be in writing and signed by the
Issuer and JPMorgan. 
  

	25.	BUSINESS DAY 

 Whenever any payment to be made
hereunder shall be due on a day which is not a business day for JPMorgan, then such payment shall be made on JPMorgan’s next succeeding business day. 
  

	26.	COUNTERPARTS 

 This Agreement may be executed in
counterparts, each of which shall be deemed an original and such counterparts together shall constitute but one instrument. 
  

	27.	HEADINGS 

 The headings in this Agreement are for
purposes of reference only and shall not in any way limit or otherwise affect the meaning or interpretation of any of the terms of this Agreement. 
  

	28.	GOVERNING LAW 

 This Agreement and the Notes shall
be governed by and construed in accordance with the internal laws of the State of New York, without regard to the conflict of laws provisions thereof. 
  

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	29.	JURISDICTION AND VENUE 

 Each party hereby
irrevocably and unconditionally submits to the non-exclusive jurisdiction of the United States District Court for the Southern District of New York and any New York State court located in the Borough of Manhattan in New York City and of any
appellate court from any thereof for the purposes of any legal suit, action or proceeding arising out of or relating to this Agreement (a “Proceeding”). Each party hereby irrevocably agrees that all claims in respect of any
Proceeding may be heard and determined in such Federal or New York State court and irrevocably waives, to the fullest extent it may effectively do so, any objection it may now or hereafter have to the laying of venue of any Proceeding in any of the
aforementioned courts and the defense of an inconvenient forum to the maintenance of any Proceeding. 
  

	30.	WAIVER OF TRIAL BY JURY 

 EACH PARTY HEREBY WAIVES
ALL RIGHT TO TRIAL BY JURY IN ANY PROCEEDING ARISING OUT OF OR RELATING TO ANY OF THE TRANSACTIONS CONTEMPLATED BY THIS AGREEMENT. 
  

	31.	ACCOUNT CONDITIONS 

 Each Account shall be
subject to JPMorgan’s account conditions, as in effect from time to time. 
 (Signature page follows) 
  

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 IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be executed on their behalf by duly
authorized officers as of the day and year first-above written. 
 JPMORGAN CHASE BANK, NATIONAL ASSOCIATION 
  

			
	By:	 	 /s/ Jennifer Fredericks

	Name:	 	Jennifer Fredericks
	Title:	 	Trust Officer
	Date:	 	August 16, 2007
	
	CME GROUP INC.
		
	By:	 	 James A. Pribel

	Name:	 	James A. Pribel
	Title:	 	Director and Treasurer
	Date:	 	August 16, 2007

  

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 EXHIBIT A 
 (DTC Master Note) 
 The Depository Trust Company 
 A subsidiary of The Depository Trust & Cleaning Corporation 
 CORPORATE COMMERCIAL PAPER–MASTER NOTE 
  

	
	
	         (Date of Issuance)

 CME Group Inc. (“Issuer”), for value received hereby promises to pay to Code &
Co., as nominee of The Depository Trust Company, or to registered assigns: (i) the principal amount, together with unpaid accrued interest thereon, if any, on the maturity date of each obligation identified on the records of the Issuer (the
“Underlying Records”) as being evidenced by this Master Note, which Underlying Records are maintained by JPMorgan Chase Bank, National Association (“Paying Agent”): (ii) interest on the principal amount of each such obligation
that is payable in installments, if any, on the due date of each installment, as specified on the Underlying Records; and (iii) the principal amount of each such obligation that is payable in installment, if any, on the due date of each installment,
as specified on the Underlying Records. Interest shall be calculated at the rate and according to the calculation convention specified on the Underlying Records. Payments shall me made by wire transfer to the registered owner from Paying Agent
without the necessity of presentation and surrender of this Master Note. 
 REFERENCE IS HEREBY MADE TO THE FURTHER PROVISIONS OF THIS MASTER
NOTE SET FORTH ON THE REVERSE HEREOF. 
 This Master Note is a valid and binding obligation of Issuer. 
 Not Valid Unless Countersigned for Authentication by Paying Agent. 
  

							
	JPMORGAN CHASE BANK, N.A.	 	CME Group Inc.,
		 	 (Paying Agent)
	 		 	 (Issuer)

				
	By:	 	  
	 	By:	 	  

		 	 (Authorized Countersignature)
	 		 	 (Authorized Signature)

			
		 		 	  

		 	 JENNIFER FREDERICKS
 TRUST OFFICER
	 		 	(Guarantor)
				
		 		 	By:	 	  

		 		 		 	(Authorized Signature)

 

 

 At the request of the registered owner, Issuer shall promptly issue and deliver one or more separate note certificates
evidencing each obligation evidenced by this Master Note. As of the date any such note certificate or certificates are issued, the obligations which are evidenced thereby shall not longer be evidenced by this Master Note. 
  

 FOR VALUE RECEIVED, the undersigned hereby sells,
assigns, and transfer unto 
  

			
	 .

	(Name, Address, and Taxpayer Identification Number of Assignee)
	
	the Master Note and all rights thereunder, hereby irrevocably constituting and appointing
                                        
                     attorney to transfer said Master Note on the books of Issuer with full power of substitution in the
premises.
		
	Date:	  	  

	Signature(s) Guaranteed:	  	(Signature)
		  	Notice: The signature on this assignment must correspond with the name as written upon the face of this Master Note, in every particular, without alteration or enlargement or any change
whatsoever.

  

 Unless this certificate is presented by an authorized representative of The Depository Trust Company, a New York corporation (“DTC”), to Issuer or its agent for registration of transfer, exchange, or payment, and any certificate
issue is registered in the name of Cede & Co. or in such other name as is requested by an authorized representative of DTC (and any payment is made to Cede & Co. or to such other entity as is requested by an authorized representative of
DTC), ANY TRANSFER, PLEDGE, OR OTHER USE HEREOF FOR VALUE OF OTHERWISE BY OR TO ANY PERSON IS WRONGFUL inasmuch as the registered owner hereof, Cede & Co., has an interest herein. 

 EXHIBIT B 
 (DTC Letter of Representations) 
 The Depository Trust Company 

A subsidiary of The Depository Trust & Clearing Corporation 
 Book-Entry-Only Corporate Commercial Paper 
 (Master Note) Program 
 Letter of Representations 
 [To be
Completed by Issuer, Issuing Agent, and Paying Agent] 
  

	
	 CME Group Inc.

	[Name of Issuer]
	
	 JPMORGAN CHASE BANK, NATIONAL ASSOCIATION / 1506

	[ Name and DTC Participant Number of Issuing Agent and Paying Agent]

  

	
	AUGUST 16, 2007        
	[Date]                

 Attention: Underwriting Department 
 The Depository Trust Company 
 55 Water Street, 25th Floor New York, NY 10041-0099 
  

			
	Re:	  	CME Group Inc.
		  	COMMERCIAL PAPER PROGRAM EXEMPT FROM REGISTRATION
		  	 PURSUANT TO SECTION 4(2) OF THE SECURITIES ACT OF 1933

		  	[Description of Program, including reference to the provision of the Securities Act of 1933, as amended, pursuant to which Program is exempt from
registration.]

 Ladies and Gentlemen: 
 This letter sets forth our understanding with respect to certain matters relating to the issuance by Issuer from time to time of notes under its Commercial Paper program described above (the “Securities”).
Issuing Agent shall act as issuing agent with respect to the Securities. Paying Agent shall act as paying agent or other such agent of Issuer with respect to the Securities. Issuance of the Securities has been authorized pursuant to a prospectus
supplement, offering circular, or other such document authorizing the issuance of the Securities dated 
 Paying Agent has entered into a
Money Market Instrument or Commercial Paper Certificate Agreement with The Depository Trust Company (“DTC”) dated as of November 13, 2004 pursuant to which Paying Agent shall act as custodian of a Master Note Certificate evidencing
the Securities, when issued. Paying Agent shall amend Exhibit A to such Certificate Agreement to include the program described above, prior to issuance of the Securities. 
 

 

 To induce DTC to accept the Securities as eligible for deposit at DTC and to act in accordance with its
Rules with respect to the Securities, Issuer, Issuing Agent, and Paying Agent make the following representations to DTC: 
 1. The Securities
shall be evidenced by a Master Note Certificate in registered form registered in the name of DTC’s nominee, Cede & Co., and such Master Note Certificate shall represent 100% of the principal amount of the Securities. The Master Note
Certificate shall include the substance of all material provisions set forth in the DTC model Commercial Paper Master Note, a copy of which previously has been furnished to Issuing Agent and Paying Agent, and may include additional provisions as
long as they do not conflict with the material provisions set forth in the DTC model. 
 2. Issuer: (a) understands that DTC has no
obligation to, and will not, communicate to its participants (“Participants”) or to any person having an interest in the Securities any information contained in the Master Note Certificate; and (b) acknowledges that neither DTC’s
Participants nor any person having an interest in the Securities shall be deemed to have notice of the provisions of the Master Note Certificate by virtue of submission of such Certificate to DTC. 
 3. For Securities to be issued at a discount from the face value to be paid at maturity (“Discount Securities”), Issuer or Issuing Agent has
obtained from the CUSIP Service Bureau a written list of two basic six-character CUSIP numbers (each of which uniquely identifies Issuer and two years of maturity dates for the Discount Securities to be issued under its Commercial Paper program
described above). The CUSIP numbers on such list have been reserved for future assignment to issues of the Discount Securities based on the maturity year of the Discount Securities and will be perpetually reassignable in accordance with DTC’s
Procedures, including DTC’s Final Plan for DTC Money Market Programs and DTC’s Issuing/Paying Agent General Operating Procedures for Corporate Commercial Paper (the “MMI Procedures”), a copy of which previously has been furnished
to Issuing Agent and Paying Agent. 
 For Securities to be issued at face value with interest to be paid at maturity only or periodically
(“Interest Bearing Securities”), Issuer or Issuing Agent has obtained from the CUSIP Service Bureau a written list of approximately 900 nine-character numbers (the basic first six characters of which are the same and uniquely identify
Issuer and the Interest Bearing Securities to be issued under its Commercial Paper program described above). The CUSIP numbers on such list have been reserved for future assignment to issues of the Interest Bearing Securities. At any time when fewer
than 100 of the CUSIP numbers on such list remain unassigned, Issuer or Issuing Agent shall promptly obtain from the CUSIP Service Bureau an additional written list of approximately 900 such numbers. 
 4. When Securities are to be issued through DTC, Issuing Agent shall notify Paying Agent and shall give issuance instructions to DTC in accordance with
the MMI Procedures. The giving of such issuance instructions, which include delivery instructions, to DTC shall constitute: (a) a representation that the Securities are issued in accordance with applicable law; and (b) a confirmation that
the Master Note Certificate evidencing such Securities, in the form described in paragraph 1, has been issued and authenticated. 
  

 -2- 

 5. All notices and payment advises sent to DTC shall contain the CUSIP number of the Securities.

 6. Issuer recognizes that DTC does not in any way undertake to, and shall not have any responsibility to, monitor or ascertain the
compliance of any transactions in the Securities with the following, as amended from time to time: (a) any exemptions from registration under the Securities Act of 1933; (b) the Investment Company Act of 1940; (c) the Employee
Retirement Income Security Act of 1974; (d) the Internal Revenue Code of 1986; (e) any rules of any self-regulatory organizations (as defined under the Securities Exchange Act of 1934); or (f) any other local, state, federal, or
foreign laws or regulations thereunder. 
 7. Notwithstanding anything set forth in any document relating to a letter of credit facility,
neither DTC nor Cede & Co. shall have any obligations or responsibilities relating to the letter of credit facility, if any, unless such obligations or responsibilities are expressly set forth herein. 
 8. If issuance of Securities through DTC is scheduled to take place one or more days after Issuing Agent has given issuance instructions to DTC, Issuing
Agent may cancel such issuance by giving a cancellation instruction to DTC in accordance with the MMI Procedures. 
 9. At any time that
Paying Agent has Securities in its DTC accounts, it may request withdrawal of such Securities from DTC by giving a withdrawal instruction to DTC in accordance with the MMI Procedures. Upon DTC’s acceptance of such withdrawal instruction, Paying
Agent shall reduce the principal amount of the Securities evidenced by the Master Note Certificate accordingly. 
 10. In the event of any
solicitation of consents from or voting by holders of the Securities, Issuer, Issuing Agent, or Paying Agent shall establish a record date for such purposes (with no provision for revocation of consents or votes by subsequent holders) and shall send
notice of such record date to DTC’s Reorganization Department, Proxy Unit no fewer than 15 calendar days in advance of such record date. If sent by telecopy, such notice shall be directed to (212) 855-5181 or (212) 855-5182. If the
party sending the notice does not receive a telecopy receipt from DTC such party shall confirm DTC’s receipt of such telecopy by telephoning (212) 855-5187. For information regarding such notices, telephone The Depository Trust and
Clearing Corporation’s Proxy hotline at (212) 855-5191. 
 11. Paying Agent may override DTC’s determination of interest and
principal payment dates, in accordance with the MMI Procedures. 
 12. Notice regarding the amount of variable interest and principal
payments on the Securities shall be given to DTC by Paying Agent in accordance with the MMI Procedures. 
 13. All notices sent to DTC shall
contain the CUSIP number of the Securities. 
 14. Paying Agent shall confirm with DTC daily, by CUSIP number, the face value of the
Securities outstanding, and Paying Agent’s corresponding interest and principal payment obligation, in accordance with the MMI Procedures. 
  

 -3- 

 15. DTC may direct Issuer, Issuing Agent, or Paying Agent to use any other number or address as the
number or address to which notices or payments may be sent. 
 16. Payments on the Securities, including payments in currencies other than
the U.S. Dollar, shall be made by Paying Agent in accordance with the MMI Procedures. 
 17. In the event that Issuer determines that
beneficial owners of the Securities shall be able to obtain certificated Securities, Issuer, Issuing Agent, or Paying Agent shall notify DTC of the availability of certificates. In such event, Issuer, Issuing Agent, or Paying Agent shall issue,
transfer, and exchange certificates in appropriate amounts, as required by DTC and others. 
 18. Issuer authorizes DTC to provide to Issuing
Agent and/or Paying Agent listings of DTC Participants’ holdings, known as Security Position Reports (“SPRs”) with respect to the Assets from time to time at the request of Issuing Agent or Paying Agent. DTC charges a fee for such
SPRs. This authorization, unless revoked by Issuer, shall continue with respect to the Assets while any Assets are on deposit at DTC, until and unless Issuing Agent and/or Paying Agent shall no longer be acting as Issuing and/or Paying Agent for
Issuer. In such event, Issuer shall provide DTC with similar evidence, satisfactory to DTC, of the authorization of any successor thereto so to act. Proxy Web Services are available at www.dtc.org. To register for or inquire about Proxy Web
Services, telephone The Depository Trust and Clearing Corporation’s Proxy Hotline at (212) 855-5191. 
 19. DTC may discontinue
providing its services as securities depository with respect to the Securities at any time by giving reasonable notice to Issuer, Issuing Agent, or Paying Agent (at which time DTC will confirm with Issuer, Issuing Agent, or Paying Agent the
aggregate amount of Securities outstanding by CUSIP number). Under such circumstances, at DTC’s request Issuer, Issuing Agent, and Paying Agent shall cooperate fully with DTC by taking appropriate action to make available one or more separate
certificates evidencing Securities to any Participant having Securities credited to its DTC accounts. 
 20. Nothing herein shall be deemed
to require Issuing Agent or Paying Agent to advance funds on behalf of Issuer. 
 21. This Letter of Representations may be executed in any
number of counterparts, each of which when so executed shall be deemed to be an original, but all such counterparts together shall constitute but one and the same instrument. 
 22. This Letter of Representations shall be governed by, and construed in accordance with, the laws of the State of New York, without giving effect to
principles of conflicts of law. 
 23. The sender of each notice delivered to DTC pursuant to this Letter of Representations is responsible
for confirming that such notice was properly received by DTC. 
 24. Issuer represents that the Securities are not securities of an issuer
that is listed on the Office of Foreign Asset Control (“OFAC”) issuer list distributed by the U.S. Department of the Treasury, or of an issuer that is incorporated in a country that is on the OFAC list of “pariah” countries.

  

 -4- 

 25. Issuer, Issuing Agent and Paying Agent shall comply with the applicable requirements stated in
DTC’s MMI Procedures, as they may be amended from time to time. 
 26. The following riders, attached hereto, are hereby incorporated
into this Letter of Representations: 
 NONE 
 [The remainder of this page was intentionally left blank.] 
  

 -5- 

 Note: 
 Schedule A contains statements that DTC believes 
 accurately describe DTC, the method of effecting 
 book-entry transfer of securities distributed through 
 DTC, and
certain related matters. 
  

					
	Very truly yours,
	
	 CME Group Inc.

		 	[Issuer]
		
	By:	 	  

		 	[Authorized Officer’s Signature]
	
	  

		 	[Guarantor]
		
	By:	 	  

		 	[Authorized Officer’s Signature]
	
	 JPMORGAN CHASE BANK, NATIONAL ASSOCIATION

		 	[Issuing Agent]
		
	By:	 	  

		 	[Authorized Officer’s Signature]
	
	 JPMORGAN CHASE BANK, NATIONAL ASSOCIATION

		 	[Paying Agent]
		
	By:	 	  

		 	[Authorized Officer’s Signature]

 Received and Accepted: 
 THE DEPOSITORY TRUST COMPANY 
  

	cc:	Underwriter 

 Underwriter’s Counsel 
  

 -6- 

 SCHEDULE A 
 SAMPLE OFFERING DOCUMENT LANGUAGE 
 DESCRIBING BOOK-ENTRY-ONLY ISSUANCE 
 (Prepared by DTC—bracketed material may be applicable only to certain issues) 
 1. The Depository Trust Company (“DTC”), New York, NY, will act as securities depository for the securities (the “Securities”). The
Securities will be issued as fully-registered securities registered in the name of Cede & Co. (DTC’s partnership nominee) or such other name as may be requested by an authorized representative of DTC. One fully-registered Security
certificate will be issued for [each issue of] the Securities, [each] in the aggregate principal amount of such issue, and will be deposited with DTC. [If, however, the aggregate principal amount of [any] issue exceeds $500 million, one certificate
will be issued with respect to each $500 million of principal amount, and an additional certificate will be issued with respect to any remaining principal amount of such issue.] 
 2. DTC, the world’s largest securities depository, is a limited-purpose trust company organized under the New York Banking Law, a “banking
organization” within the meaning of the New York Banking Law, a member of the Federal Reserve System, a “clearing corporation” within the meaning of the New York Uniform Commercial Code, and a “clearing agency” registered
pursuant to the provisions of Section 17A of the Securities Exchange Act of 1934. DTC holds and provides asset servicing for over 2.2 million issues of U.S. and non-U.S. equity issues, corporate and municipal debt issues, and money market
instruments (from over 100 countries) that DTC”s participants (“Direct Participants”) deposit with DTC. DTC also facilitates the post-trade settlement among Direct Participants of sales and other securities transactions in deposited
securities, through electronic computerized book-entry transfers and pledges between Direct Participants’ accounts. This eliminates the need for physical movement of securities certificates. Direct Participants include both U.S. and non-U.S.
securities brokers and dealers, banks, trust companies, clearing corporations, and certain other organizations. DTC is a wholly-owned subsidiary of The Depository Trust & Clearing Corporation (“DTCC”). DTCC, in turn, is owned by a
number of Direct Participants of DTC and Members of the National Securities Clearing Corporation, Fixed Income Clearing Corporation, and Emerging Markets Clearing Corporation (NSCC, FICC, and EMCC, also subsidiaries of DTCC), as well as by the New
York Stock Exchange, Inc., the American Stock Exchange LLC, and the National Association of Securities Dealers, Inc. Access to the DTC system is also available to others such as both U.S. and non-U.S. securities brokers and dealers, banks, trust
companies, and clearing corporations that clear through or maintain a custodial relationship with a Direct Participant, either directly or indirectly (“Indirect Participants”). DTC has Standard & Poor’s highest rating: AAA.
The DTC Rules applicable to its Participants are on file with the Securities and Exchange Commission. More information about DTC can be found at www.dtcc.com and www.dtc.org. 
 3. Purchases of Securities under the DTC system must be made by or through Direct Participants, which will receive a credit for the Securities on
DTC’s records. The ownership interest of each actual purchaser of each Security (“Beneficial Owner”) is in turn to be recorded on the Direct and Indirect Participants’ records. Beneficial Owners will not receive written
confirmation from DTC of their purchase. Beneficial Owners are, however, expected to receive written confirmations providing details of the transaction, as well as periodic statements of their holdings, from the Direct or Indirect Participant
through which the Beneficial Owner entered into the transaction. Transfers of ownership interests in the Securities are to be accomplished by entries 

  

 -i- 

 
made on the books of Direct and Indirect Participants acting on behalf of Beneficial Owners. Beneficial Owners will not receive certificates representing
their ownership interests in Securities, except in the event that use of the book-entry system for the Securities is discontinued. 
 4. To
facilitate subsequent transfers, all Securities deposited by Direct Participants with DTC are registered in the name of DTC’s partnership nominee, Cede & Co., or such other name as may be requested by an authorized representative of
DTC. The deposit of Securities with DTC and their registration in the name of Cede & Co. or such other DTC nominee do not effect any change in beneficial ownership. DTC has no knowledge of the actual Beneficial Owners of the Securities;
DTC’s records reflect only the identity of the Direct Participants to whose accounts such Securities are credited, which may or may not be the Beneficial Owners. The Direct and Indirect Participants will remain responsible for keeping account
of their holdings on behalf of their customers. 
 5. Conveyance of notices and other communications by DTC to Direct Participants, by Direct
Participants to Indirect Participants, and by Direct Participants and Indirect Participants to Beneficial Owners will be governed by arrangements among them, subject to any statutory or regulatory requirements as may be in effect from time to time.
[Beneficial Owners of Securities may wish to take certain steps to augment the transmission to them of notices of significant events with respect to the Securities, such as redemptions, tenders, defaults, and proposed amendments to the Security
documents. For example, Beneficial Owners of Securities may wish to ascertain that the nominee holding the Securities for their benefit has agreed to obtain and transmit notices to Beneficial Owners. In the alternative, Beneficial Owners may wish to
provide their names and addresses to the registrar and request that copies of notices be provided directly to them.] 
 [6. Redemption
notices shall be sent to DTC. If less than all of the Securities within an issue are being redeemed, DTC’s practice is to determine by lot the amount of the interest of each Direct Participant in such issue to be redeemed.] 
 7. Neither DTC nor Cede & Co. (nor any other DTC nominee) will consent or vote with respect to Securities unless authorized by a Direct
Participant in accordance with DTC’s MMI Procedures. Under its usual procedures, DTC mails an Omnibus Proxy to Issuer as soon as possible after the record date. The Omnibus Proxy assigns Cede & Co.’s consenting or voting rights to
those Direct Participants to whose accounts Securities are credited on the record date (identified in a listing attached to the Omnibus Proxy). 
 8. Redemption proceeds, distributions, and dividend payments on the Securities will be made to Cede & Co., or such other nominee as may be requested by an authorized representative of DTC. DTC’s practice is to credit Direct
Participants’ accounts upon DTC’s receipt of funds and corresponding detail information from Issuer or Agent, on payable date in accordance with their respective holdings shown on DTC’s records. Payments by Participants to Beneficial
Owners will be governed by standing instructions and customary practices, as is the case with securities held for the accounts of customers in bearer form or registered in “street name,” and will be the responsibility of such Participant
and not of DTC, Agent, or Issuer, subject to any statutory or regulatory requirements as may be in effect from time to time. Payment of redemption proceeds, distributions, and dividend payments to Cede & Co. (or such other nominee as may be
requested by an authorized representative of DTC) is the responsibility of Issuer or Agent, disbursement of such payments to Direct Participants will be the responsibility of DTC, and disbursement of such payments to the Beneficial Owners will be
the responsibility of Direct and Indirect Participants. 
  

 -ii- 

 [9. A Beneficial Owner shall give notice to elect to have its Securities purchased or tendered, through
its Participant, to [Tender/Remarketing] Agent, and shall effect delivery of such Securities by causing the Direct Participant to transfer the Participant’s interest in the Securities, on DTC’s records, to [Tender/Remarketing] Agent. The
requirement for physical delivery of Securities in connection with an optional tender or a mandatory purchase will be deemed satisfied when the ownership rights in the Securities are transferred by Direct Participants on DTC’s records and
followed by a book-entry credit of tendered Securities to [Tender/Remarketing] Agent’s DTC account.] 
 10. DTC may discontinue
providing its services as depository with respect to the Securities at any time by giving reasonable notice to Issuer or Agent. Under such circumstances, in the event that a successor depository is not obtained, Security certificates are required to
be printed and delivered. 
 11. Issuer may decide to discontinue use of the system of book-entry-only transfers through DTC (or a successor
securities depository). In that event, Security certificates will be printed and delivered to DTC. 
 12. The information in this section
concerning DTC and DTC’s book-entry system has been obtained from sources that Issuer believes to be reliable, but Issuer takes no responsibility for the accuracy thereof. 
  

 -iii- 

 EXHIBIT C 
 FORM OF OPINION 
 [Company Letterhead] 
 August 16, 2007             
 To the
Addressees listed on 
 Schedule I hereto 
 Ladies and Gentlemen:

 I am the General Counsel of CME Group Inc., a Delaware corporation (the “Company”), and, as such, I am furnishing this opinion in
connection with each of (i) that certain Commercial Paper Dealer Agreement, dated as of August 16, 2007 (the “Lehman Dealer Agreement”), between the Company, as issuer, and Lehman Brothers Inc., as dealer (the “Lehman
Dealer”), (ii) that certain Commercial Paper Dealer Agreement, dated as of August 16, 2007 (the “Merrill Dealer Agreement” and, together with the Lehman Dealer Agreement, collectively, the “Dealer Agreements”),
among the Company, as issuer, and Merrill Lynch Money Markets Inc., as dealer for Notes (as defined in the Merrill Dealer Agreement) with maturities up to 270 days (“MLMM”), and Merrill Lynch, Pierce, Fenner & Smith Incorporated,
as dealer for Notes (as defined in the Merrill Dealer Agreement) with maturities over 270 days (“MLPF&S” and, together with MLMM, collectively, the “Merrill Dealer”), (iii) that certain Issuing and Paying Agency
Agreement, dated as of August 16, 2007 (the “Issuing and Paying Agency Agreement”), between the Company and JPMorgan Chase Bank, National Association, as issuing and paying agent (the “Issuing and Paying Agent”), and
(iv) the Master Note dated August 16, 2007 (the “Master Note”). The Lehman Dealer Agreement, the Merrill Dealer Agreement, the Issuing and Paying Agency Agreement and the Master Note shall hereafter be referred to collectively as
the “Transaction Agreements.” This opinion is being delivered pursuant to Section 3.6 of each Dealer Agreement. 
 In my
examination, I have assumed the genuineness of all signatures, including endorsements, the legal capacity and competency of natural persons, the authenticity of all documents submitted to me as originals, the conformity to original documents of all
documents submitted to us as facsimile, electronic, certified or photostatic copies, and the authenticity of the originals of such copies. When relevant facts were not independently established, I have relied upon statements of governmental
officials and upon representations made in or pursuant to the Transaction Agreements, certificates of appropriate representatives of the Company. 
 In rendering the opinions set forth herein, I have examined and relied upon originals or copies of the Transaction Agreements and such other documents as I have deemed necessary or appropriate as a basis for the opinions set forth below.

 Capitalized terms used herein and not otherwise defined herein shall have the same meanings herein as ascribed thereto in the Dealer
Agreements. As used herein, “Applicable Laws” means those laws, rules and regulations which, in my experience, are normally applicable to transactions of the type contemplated by the Transaction Agreements, without my having made any
special investigation as to the applicability of any specific law, rule or regulation, and which are not the subject of a specific opinion herein referring expressly to a particular law or laws. 
 I am a member of the Bar of the State of Illinois and the foregoing opinions are limited to matters involving the Federal laws of the United States of
America and the General 

 
Corporation Law of the State of Delaware and I do not express any opinion as to any other laws. I note that the Transaction Agreements purport to be governed
by the laws of the State of New York and I express no opinion with respect to the laws of the State of New York. 
 Based upon the foregoing
and subject to the limitations, qualifications, exceptions and assumptions set forth herein, I am of the opinion that: 
 1. The Company is a
corporation validly existing and in good standing under the laws of the State of Delaware. 
 2. The Company has all the requisite corporate
power and authority to execute, deliver and perform its obligations under each of the Transaction Agreements. The execution and delivery of each of the Transaction Agreements and the consummation by the Company of the transactions contemplated
thereby have been duly authorized by all requisite corporate action on the part of the Company. Each of each Dealer Agreement and the Issuing and Paying Agency Agreement has been duly executed and delivered by the Company. 
 3. In the event that an Illinois court were to apply the substantive laws of the State of Illinois, notwithstanding the choice of law of the parties set
forth in the Transaction Agreements, and without regard to choice of law principles, each of the Transaction Agreements constitutes and, in the case of the Notes, when issued in accordance with the Issuing and Paying Agency Agreement and paid for by
the purchasers thereof, will constitute, the valid and binding obligations of the Company, enforceable against the Company in accordance with their terms under the Applicable Laws of the State of Illinois. 
 4. The execution and delivery by the Company of each of the Transaction Agreements and the performance by the Company of its obligations under each of
the Transaction Agreements, each in accordance with its terms, do not (i) conflict with the certificate of incorporation or by-laws of the Company, (ii) constitute a violation of, or a default under any material agreements or instruments
known to me (after due inquiry) to which the Company is a party or by which it is bound or to which it is subject or result in the creation or imposition of any lien upon any property of the Company pursuant to the terms of any such material
agreement or instrument or (iii) violate any order, writ, injunction or decree known to me (after due inquiry) of any court or governmental authority or agency applicable to the Company. 
 5. The offer, sale and delivery of the Notes in the manner contemplated by the Dealer Agreements do not require registration under the Securities Act of
1933, as amended, or qualification of any indenture under the Trust Indenture Act of 1939, as amended (it being understood that I express no opinion as to any subsequent resale of any Note); and the Notes will rank at least pari passu with all other
unsecured and unsubordinated indebtedness of the Company. 
 6. No consent, approval or authorization of, or filing, recording or
registration with, any governmental authority, which has not been obtained or taken and is not in full force and effect, is required to authorize, or is required in connection with, the execution or delivery of any of the Transaction Agreements by
the Company or the enforceability of any of the Transaction Agreements against the Company, except as may be required by the securities or Blue Sky laws of the various states in connection with the offer and sale of the Notes. 
 7. To the best of my knowledge, except as disclosed in the Company’s public filings with the Securities and Exchange Commission, there is no
litigation or governmental proceeding pending or threatened against the Company or any of its subsidiaries which would have a material adverse effect on the ability of the Company to perform its obligations under the Transaction Agreements.

  

 2 

 8. The Company is not an “investment company” within the meaning of the Investment Company Act
of 1940, as amended. 
 My opinions are subject to the following assumptions and qualifications: 
 (a) enforcement may be limited by applicable bankruptcy, insolvency, reorganization, moratorium or other similar laws affecting creditors’ rights
generally and by general principles of equity (regardless of whether enforcement is sought in equity or at law); 
 (b) I have assumed that
each of the Transaction Agreements constitutes the valid and binding obligation of each party to such Transaction Agreement (other than the Company to the extent expressly set forth herein) enforceable against such other party in accordance with its
terms; 
 (c) I express no opinion as to the effect on the opinions expressed herein of (i) the compliance or non-compliance of any
party (other than the Company to the extent expressly set forth herein) to the Transaction Agreements with any state, federal or other laws or regulations applicable to any of them or (ii) the legal or regulatory status or the nature of the
business of any party (other than the Company to the extent expressly set forth herein); 
 (d) I express no opinion as to the
enforceability of any rights to contribution or indemnification provided for in the Transaction Agreements which are violative of the public policy underlying any law, rule or regulation (including any federal or state securities law, rule or
regulation); 
 (e) I express no opinion as to the applicability or effect of any fraudulent transfer, preference or similar law on the
Transaction Agreements or any transactions contemplated thereby; 
 (f) I express no opinion on the enforceability of any provision in a
Transaction Agreement purporting to prohibit, restrict or condition the assignment of rights under such Transaction Agreement to the extent such restriction on assignability is governed by the Uniform Commercial Code; 
 (g) I express no opinion as to the enforceability of any provision of any Transaction Agreement to the extent it purports to waive any objection a
person may have that a suit, action or proceeding has been brought in an inconvenient forum or a forum lacking subject matter jurisdiction; 
 (h) for purposes of my opinion set forth in paragraph 5 above, I have assumed (a) the accuracy of the representations and warranties and compliance with the agreements made by the Dealer in the Dealer Agreements (b) compliance by
the Dealer with the offering and transfer procedures and restrictions required by the Dealer Agreements including, without limitation, the delivery to each purchaser of the Notes of an offering memorandum containing a legend restricting offers,
sales and resales of the Notes in the form required by the Dealer Agreements and (c) the accuracy of the representations and warranties made in accordance with such offering memorandum by the initial purchasers of the Notes; and 
 (i) I express no opinion as to the enforceability of Section 7.3(a) of either Dealer Agreement. 
 At the request of the Company, this opinion letter is, pursuant to Section 3.6 of each Dealer Agreement, provided to you by me in my capacity as
in-house counsel of the Company and may not be relied upon by any person for any purpose other than in connection with the transactions contemplated by the Transaction Agreements without, in each instance, my prior 

  

 3 

 
written consent. No opinion is implied or is to be inferred beyond the opinions expressly stated above. I assume no obligation to update this letter for
events, changes in law or circumstances occurring after the date of this opinion. 
 Very truly yours, 
  

 4 

 Schedule I to Opinion 
 Addressees 
 Lehman Brothers Inc., as Dealer for the Notes (under and as defined in the Lehman Dealer Agreement)

 Merrill Lynch Money Markets Inc., as Dealer for Notes (as defined in the Merrill Dealer Agreement) with maturities up to 270 days 
 Merrill Lynch, Pierce, Fenner & Smith Incorporated, as Dealer for Notes (as defined in the Merrill Dealer Agreement) with maturities over 270 days 

JPMorgan Chase Bank, National Association, as Issuing and Paying Agent 
  

 5Scheduled Commitment Decreases

 Exhibit 10.2 
 

 
 August 31, 2007 
 Ms. Maritza Ospina 
 Lehman Brothers Commercial Paper Inc. 
 As Administrative Agent 
 745 Seventh Avenue

 New York, NY 10019 
 Dear
Ms. Ospina: 
 Pursuant to Section 2.06 of the $3 billion 364 day Revolving Credit Agreement between CME Group Inc., as Borrower,
The Lenders Party thereto, and Lehman Commercial Paper Inc., as Administrative Agent, please accept this notice as our request to reduce the amount of the commitment from $3,000,000,000 to $1,500,000,000 as soon as possible. 
  

			
		 	Best regards,
		
		 	 /s/ James A. Pribel

		 	James A. Pribel
		 	Director and Treasurer

  

	 	cc:	Ms. Maritza Ospina 

 Lehman Brothers Commercial Bank

 745 Seventh Avenue 
 New York,
NY 10019 
 20 South Wacker Drive Chicago, Illinois 60606  T 312 930 1000  F 312 466 4410  cmegroup.com

 

 
 September 24, 2007 
 Ms. Maritza Ospina 
 Lehman Brothers Commercial Paper Inc. 
 As Administrative Agent 
 745 Seventh Avenue

 New York, NY 10019 
 Dear
Ms. Ospina: 
 Pursuant to Section 2.06 of the $3 billion 364 day Revolving Credit Agreement between CME Group Inc., as Borrower,
The Lenders Party thereto, and Lehman Commercial Paper Inc., as Administrative Agent, please accept this notice as our request to reduce the amount of the commitment from the current amount of $1,500,000,000 to $750,000,000 as soon as possible.

  

			
		 	Best regards,
		
		 	 /s/ James A. Pribel

		 	James A. Pribel
		 	Director and Treasurer

  

	 	cc:	Ms. Maritza Ospina 

 Lehman Brothers Commercial Bank

 745 Seventh Avenue 
 New York,
NY 10019 
 20 South Wacker Drive Chicago, Illinois 60606  T 312 930 1000  F 312 466 4410  cmegroup.com

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