Chicago Mercantile Exchange Holdings Inc. Announces 2005 Annual Meeting

CHICAGO, Nov 8, 2004 /PRNewswire-FirstCall via COMTEX/ -- Chicago Mercantile Exchange Holdings Inc. (NYSE: CME) today announced that its 2005 annual meeting of shareholders will be held at 4:00 p.m., Central Time, on Wednesday, April 27, 2005 in the Grand Ballroom of the Swissotel Chicago, located at 323 E. Wacker Drive, Chicago.

Chicago Mercantile Exchange Inc. ( http://www.cme.com ) is the largest futures exchange in the United States. As an international marketplace, CME brings together buyers and sellers on its trading floors and CME Globex^® electronic trading platform. CME offers futures and options on futures primarily in four product areas: interest rates, stock indexes, foreign exchange and commodities. The exchange moved approximately $1.5 billion per day in settlement payments in the first nine months of 2004 and managed $39.8 billion in collateral deposits as of September 30, 2004. CME is a wholly owned subsidiary of Chicago Mercantile Exchange Holdings Inc. (NYSE: CME), which is part of the Russell 1000^® Index.

SOURCE Chicago Mercantile Exchange Holdings Inc.

Media, Anita S. Liskey, +1-312-466-4613, or Bill Parke, +1-312-930-3467, news@cme.com , or Investors, John Peschier, +1-312-930-8491, all for Chicago Mercantile Exchange Holdings Inc.

"Safe Harbor" Statement under the Private Securities Litigation Reform Act of 1995: Statements in this press release regarding Chicago Mercantile Exchange's business which are not historical facts are "forward-looking statements" that involve risks and uncertainties. For a discussion of such risks and uncertainties, which could cause actual results to differ from those contained in the forward-looking statements, see "Risk Factors" in the Company's Annual Report or Form 10-K for the most recently ended fiscal year.