News Release

CBOT Holdings, Inc. Announces 2006 Board of Directors

Tue May 02 2006

For Immediate Release     

Media Contact:
Maria Gemskie
(312) 341-3257
news@cbot.com

Investor Contact:
Tami Kamarauskas
(312) 789-8532 
tkamaraus1@cbot.com                                                                                                       

CBOT HOLDINGS, INC. ANNOUNCES 2006 BOARD OF DIRECTORS
 Nine Directors Out of Total Board of 17 Elected for Two-Year Term

CHICAGO, IL, May 2, 2006 – CBOT Holdings, Inc. (the parent company of the Board of Trade of the City of Chicago, Inc. (“CBOT”)) today announced the election results for its 2006 board of directors. Stockholders at CBOT Holdings’ annual meeting elected six directors to two-year terms expiring in 2008. Additionally, prior to CBOT Holdings’ annual meeting, the CBOT held its 2006 annual meeting of members at which members of the CBOT elected three directors to the CBOT’s board of directors.

The three directors elected at the CBOT’s annual meeting also became directors of CBOT Holdings with terms expiring in 2008, and the six directors elected at CBOT Holdings’ annual meeting also became directors of the CBOT.  As a result, the boards of directors of CBOT Holdings and the CBOT are composed of the same 17 individuals.

The following individuals were elected directors at CBOT Holdings’ 2006 annual meeting of stockholders:

Bernard W. Dan, CBOT President and Chief Executive Officer
Robert F. Corvino, Independent trader
Jackie Clegg, Managing Partner of Clegg International Consultants, LLC.
Larry G. Gerdes, Chairman and Chief Executive Officer of Transcend Services, Inc.
and General Partner of both Gerdes Huff Investments and Sand Hill Financial Company
Joseph Niciforo, Chairman of Twinfields Capital Management
Michael D. Walter, Senior Vice President, Economic and Commercial Affairs, ConAgra Foods, Inc.

In addition, the following three individuals were elected directors at the CBOT’s 2006 annual meeting of members:

John L. Pietrzak, Managing Partner, Longwood Partners and General Partner, Sparta Group
Christopher Stewart, Chief Executive Officer of Gelber Group, LLC.
James P. McMillin, Vice President, Municipal Bond Sales and Trading, Raymond James & Associates, Inc.

In addition, members of the CBOT elected Myles J. Kerrigan, an independent trader, and Veda Kaufman Levin, an institutional options trader with ABN AMRO, to serve on the CBOT’s nominating committee, each for a three-year term.

All of those elected take office immediately.

About the CBOT
As one of the leading global derivative exchanges, the Chicago Board of Trade provides a diverse mix of financial, equity and commodity futures and options-on-futures products.  Building on its 158-year history, the CBOT continues to advance into the future using the strength of deep liquidity, market integrity and member-trader expertise.  Using superior trading technology in both electronic and open-auction trading platforms, the CBOT provides premier customer service to risk managers and investors worldwide.  For more information, visit our website at www.cbot.com.

Forward Looking Statements
In this release, our use of the words “may,” “should,” “could,” “expects,” “plans,” “anticipates,” “believes,” “predicts,” “potential” or “continue” or other comparable terminology is intended to identify forward-looking statements.  These statements are not guarantees of future performance and involve risks, uncertainties and assumptions that are difficult to predict.  Therefore, actual outcomes and results may differ materially from what is expressed or implied in any forward-looking statements.  More detailed information about factors that may affect our performance may be found in filings made by CBOT Holdings with the Securities and Exchange Commission, which can be obtained at its website at www.sec.gov. We undertake no obligation to update any forward-looking statements, whether as a result of new information, future events or otherwise.

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