Chicago Mercantile Exchange Holdings, Inc. Fourth Quarter 2002 Earnings Conference Call.

Business Editors

CHICAGO--(BUSINESS WIRE)--Jan. 21, 2003

Chicago Mercantile Exchange Holdings Inc. (NYSE:CME) will announce earnings for the fourth quarter and full year 2002 before the financial markets open on Thursday, Jan. 30, 2003. The company has scheduled an investor conference call that day at 8:30 a.m. Eastern time (7:30 a.m. Central time). A live audio Webcast of the conference call will be available on the Investor Relations section of the company's Web site. Following the conference call, an archived recording will be available at the same site.

This call is being webcast by CCBN and is also being distributed over CCBN's Investor Distribution Network to both institutional and individual investors. Individual investors can listen to the call through CCBN's individual investor center at www.companyboardroom.com or by visiting any of the investor sites in CCBN's Individual Investor Network. Institutional investors can access the call via CCBN's password-protected event management site, StreetEvents (www.streetevents.com).

About CME

Chicago Mercantile Exchange Holdings Inc. is the parent company of Chicago Mercantile Exchange Inc. (www.cme.com), the largest futures exchange in the United States based on notional value, trading volume and open interest. On Dec. 6, 2002, CME Holdings and its subsidiary became the first publicly traded U.S. financial exchange. As an international marketplace, CME brings together buyers and sellers on its trading floors and GLOBEX(R)around-the-clock electronic trading platform. CME offers futures contracts and options on futures primarily in four product areas: interest rates, stock indexes, foreign exchange and commodities. The exchange moves about $1.8 billion per day in settlement payments and manages $27.4 billion in collateral deposits.