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800-331-3332

Manage

You are a Registered Shareholder if you have your stock in certificate form or if your stock is held in book-entry at the transfer agent, Computershare Investor Services, LLC.

You are a Beneficial Shareholder if you maintain your position in Chicago Mercantile Exchange Holdings Inc. within a brokerage account.

Account Access for Registered Shareholders

For online access to your shareholder account: http://www-us.computershare.com/investor

Computershare's Investor Centre provides you with a wide variety of self-service tools to help track and manage personal holdings.

Viewing account balances, transaction history and dividend payment history
Changing your address
Certifying your tax status
Requesting certificates
Selling qualified shares without a broker
Voting your proxy with the same login you use to manage your shares

Transfer or Sell Your Direct Registration Shares (DRS) through Computershare Investor Services

Electronic Transfer

Option 1

DRS Profile System/DTC Transfer

Check the "Electronic Transfer" box on the Direct Registration Transaction Request Form indicating the number of shares to be transferred to your designated broker. Sign and return the original to:

Computershare Investor Services
Attn: Stock Transfer Department
P.O. Box 2388
Chicago, Illinois 60690-2388

IMPORTANT: The signature on the form must be Medallion guaranteed. The Medallion Guarantee is a form of signature verification which can be obtained from a commercial bank, trust company, securities broker, credit union or savings institution participating in the Medallion Signature Guarantee Program.
A certification from a notary public is not acceptable.

To complete the form, you will need the following information:

Broker Name
Broker Customer Account Number
Broker's Participant Number, i.e. 4-digit DTC Participant Number

Option 2

DWAC (Deposit and Withdrawal at Custodian) Transfer

To transfer shares out of Computershare to a broker:

Broker initiates a deposit request using Computershare's DTC # 50108
Shareholder notifies CME Shareholder Relations Department by email to ehausoul@cme.com with the following information:
- Name of broker
- Broker DTC #
- Computershare Account Number
- Name on Computershare Account
- Number of shares being transferred
CME Shareholder Relations authorizes Computershare to process the request.

To transfer shares into Computershare from a broker:

Broker initiates a withdrawal request using Computershare's DTC # 50108
Shareholder notifies CME Shareholder Relations Department by email to ehausoul@cme.com with the following information:
- Name of broker
- Broker DTC #
- Computershare Account Number
- Name on Computershare Account
- Number of shares being transferred
CME Shareholder Relations authorizes Computershare to process the request.

There are fees associated with transferring via a DWAC Electronic Delivery which are initiated by your broker. The shareholder is responsible for the fees.

Transfer of Shares within Computershare

Complete and sign the Irrevocable Stock Power Form. Sign and return the original to:

Computershare Investor Services
Attn: Stock Transfer Department
P.O. Box 2388
Chicago, Illinois 60690-2388

IMPORTANT: The signature on the form must be Medallion guaranteed. The Medallion Guarantee is a form of signature verification which can be obtained from a commercial bank, trust company, securities broker, credit union or savings institution participating in the Medallion
Signature Guarantee Program. A certification from a notary public is not acceptable.

Sell Your Shares through Computershare Investor Services*

Check the "Sell" box on the Direct Registration Transaction Request Form indicating the number of shares you wish to sell. Sign and return original document to:

Computershare Investor Services
Attn: Sales Team
P.O. Box 3309
Chicago, Illinois 60690-3309

When selling shares through Computershare, you are unable to direct the time or price at which the shares may be sold and you are unable to select the broker through which sales are made.

Fee: Computershare will charge a $20.00 transaction fee and 12 cents per share for each sale processed.

Timing: Sale requests placed before 12:00 noon CST will be placed the same day.
Sale requests placed after 12:00 noon CST will be placed the following business day.

IMPORTANT: The signature on the form must be Medallion guaranteed. The Medallion Guarantee is a form of signature verification which can be obtained from a commercial bank, trust company, securities broker, credit union or savings institution participating in the Medallion Signature Guarantee Program. A certification from a notary public is not acceptable.

*If you are a firm, corporation or your shares are held in a trust, please include a copy of a corporate resolution or a copy of the trust document confirming the authorized signers for your entity.