Products
InterestRates@cmegroup.com
Clearing
Audits@cmegroup.com
Clearing
Development@cmegroup.com
Clearing
RiskManagement@cmegroup.com
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Customer Service
800-331-3332

Chicago Mercantile Exchange Holdings Inc. is pleased to offer to our Shareholders the benefits and convenience of electronic delivery, including:
If you are a registered shareholder (i.e. you do not hold your shares through a bank or brokerage firm), simply go to www.computershare.com/us/sc/cme and click on the "Electronic Shareholder Communications" link to sign up for electronic delivery. Your enrollment will be effective until cancelled.
| Trade Date | 05/16/08 | 05/16/08 |
| Est. Electronic | Closed | 9,147,911 |
| Est. Open Outcry | Closed | 1,984,685 |
| Est. Totals | Closed | 11,132,596 |
| NYMEX on Globex | Closed | 1,105,040 |
Delayed at least 30-35 minutes