FIRST AMENDMENT TO CME GROUP INC. SEVERANCE PLAN (As Amended and Restated, Effective as of January 1, 2013)

WHEREAS, CME Group Inc. (the “Company”) sponsors the CME Group Inc. Severance Plan (the “Plan”) as a means to provide severance benefits to certain employees of the Company in the event that their employment is terminated in specified circumstances; and

WHEREAS, the Company desires to amend the Plan as set forth below; and

WHEREAS, the Company has reserved the right to amend the Plan pursuant to Section 4.3;

NOW, THEREFORE, the Plan is hereby amended, effective as of October 13, 2014 as follows:

1.    Section 2.6 shall be revised to read as follows:

2.6    “Eligible Executive” means an Employee on the U.S. payroll holding the position of Executive Director, Managing Director or Senior Managing Director and any Executive Officer of the Company.

2.    Section 2.10 shall be revised to read as follows:

2.10    “Qualifying Termination” means an Involuntary Termination, other than a Qualifying Cost Reduction Termination or a termination for Cause, that the Administrator determines in its sole discretion is due to the elimination of Employee’s job or a reduction in force or due to the unacceptable performance of the Employee’s job duties and responsibilities.

3.    A new Section 2.10.1 shall be added to the Plan as follows:

2.10.1     “Qualifying Cost Reduction Termination” means an Involuntary Termination, other than for Cause, that the Administrator determines in its sole discretion is due to the Company’s cost reduction efforts to reduce operating expenses for the 2014 and 2015 budget years.

4.    Section 2.11 shall be revised to read as follows:

2.11    “Severance Benefit” means any payment or benefit described in a Severance Schedule to this Plan to which an Employee is entitled upon a Qualifying Termination or a Qualifying Cost Reduction Termination.

5.    Section 3.1 shall be revised to read as follows:

3.1    Severance Benefits. Subject to the provisions of Article IV, an Employee who experiences a Qualifying Termination shall be eligible to receive the Severance Benefits set forth in Appendix A and an Employee who experiences a Qualifying Cost Reduction Termination shall be eligible to receive the Severance Benefits set forth in Appendix B.

6.    Section 3.3 shall be revised to read as follows:

3.3    Ineligible Employees. Except as otherwise provided in this Section 3.3, an Employee who experiences a Termination of Employment that is not a Qualifying Termination or a Qualifying Cost Reduction Termination (a “Nonqualifying Termination”) shall not be entitled to Severance Benefits or Supplemental Severance Benefits under this Plan. Notwithstanding the foregoing, the Administrator may determine to provide benefits under the Plan upon a Nonqualifying Termination in individual cases due to special circumstances, the amount and nature of such benefits to be determined by the Administrator in its sole discretion.

7.    An Appendix B shall be added to the Plan as follows:

Severance Benefits and Supplemental Severance Benefits, as described below, are conditioned on and will only be paid after an eligible Employee (i) executes a Release and Waiver as described in Section 4.4 (unless such agreement is waived in accordance with that Section), and such agreement (if applicable) becomes effective after the applicable waiting period, and (ii) is determined by the Administrator to have satisfied all other conditions to receive benefits under this Plan and this Appendix B.

Severance Pay for eligible Employees will be based on the Employee’s Years of Service as follows:

In all other respects, the Plan shall remain in full force and effect.

CME GROUP INC.

By: _/s/ Hilda Harris Piell______________

Hilda Harris Piell

Senior Managing Director and Chief Human

Resources Officer

Date:_10/10/14_______________________