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Letter From CME Chairman Of The Board And President And Chief Executive Officer To All Shareholders, Members And CME Staff

Date 13/09/2001

At a meeting yesterday, the CME Executive Committee approved a $1 million contribution toward the establishment of a charitable foundation from which we can fund disaster relief to those persons affected by the devastating attacks that occurred in New York and Washington on Tuesday. This tragedy has caused intense human suffering and hardship to many of our families, friends and colleagues at the epicentre of the attacks. We hope that our financial support of the relief effort will provide needed comfort and security to those affected.

We invite our shareholders, members and staff to join us in contributing to this foundation. In the next several days, we will provide you with additional information regarding this foundation and how you can contribute. In the meantime, if you have any questions regarding this, please contact Kristin Wood, Manager, Corporate Relations, +1 312 930 4510.

Also, please note that a minute of silence will be observed on our trading floors at 11:00 a.m. today to recognize the victims and survivors of these tragic events.