CME Group will be introducing a new 100Mbps connectivity option for the CME DIRECTLink, LNet and Jackson Direct solutions, beginning July, 2008. Customers located in Chicago may submit orders now for 100Mbps connectivity by completing a Schedule 2 for a new site, or Schedule 5 to upgrade existing circuits. In addition, 100Mbps connectivity will also be available in New York and New Jersey locations by mid-summer 2008. We will provide additional details regarding this offering in future Market Data Operations notices.

You many view additional information on the new 100Mbps connectivity, as well as, a forecast of CME Globex bandwidth utilization for FIX/FAST, and the legacy RLC and ITC data formats, in this document -- CME Group Customer Forum presentation .

To obtain Schedule 2 and Schedule 5 forms, please visit www.cmegroup.com/connectionagreement

Please contact Market Data Operations (MDO) at mdo@cmegroup.com, if you have any questions concerning this notice.

Thank you!