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

| Trade Date | 05/14/08 | 05/13/08 |
| Est. Electronic | 7,247,095 | 9,199,514 |
| Est. Open Outcry | 1,735,904 | 2,042,752 |
| Est. Totals | 8,982,999 | 11,242,266 |
| NYMEX on Globex | 725,276 | 1,208,406 |
Delayed at least 30-35 minutes