News Releases

Jan 5, 2006

Exchange to Change Margins for Natural Gas, Related Futures Contracts

Jan 5, 2006

Exchange Announces Margin Rates for Five New Electricity Futures Contracts

Jan 4, 2006

CBOT Martin Luther King, Jr., Holiday Trading Schedule

Jan 4, 2006

Exchange to Introduce Five New Electricity Contracts

Jan 3, 2006

REVISED: CME Posts Sixth Consecutive Record Year as Total Volume Soars to More Than 1 Billion Contracts; Exchange Average Daily Volume Approaches 4.2 Million Contracts, Up 34 Percent Compared with 2004

Annual Volume Records in All Product Groups; Electronic Trading Up 62 Percent for 2005

Jan 3, 2006

CBOT 2005 Volume Surpasses 674 Million Contracts

Jan 3, 2006

CBOT Gold Complex Volume Surpasses 25,000 Contracts

Jan 3, 2006

Chicago Mercantile Exchange Holdings Inc. Announces Date of Fourth-Quarter and Full-Year 2005 Earnings Release, Conference Call

Jan 3, 2006

CME Posts Sixth Consecutive Record Year as Total Volume Soars to More Than 1 Billion Contracts; Exchange Average Daily Volume Approaches 4.2 Million Contracts, Up 34 Percent Compared with 2004

Annual Volume Records in All Product Groups; Electronic Trading Up 62 Percent for 2005

Dec 29, 2005

Exchange to Increase Margins for Natural Gas Basis Swap Futures Contracts

Dec 29, 2005

Exchange to Change Margins for Financially Settled Electricity Contracts

Dec 29, 2005

Exchange to Change Margins for Gasoline, Related Futures Contracts

Dec 28, 2005

Exchange to Increase Margins for Natural Gas Basis, Index and Swing Swap Futures Contracts

Dec 28, 2005

Exchange to Change Margins for Financially Settled Electricity Contracts

Dec 28, 2005

Exchange to Change Margins for Natural Gas, Related Futures Contracts

Dec 28, 2005

COMEX Division Sets Record Seat Sale

Dec 27, 2005

COMEX Division Sets Record Seat Sale

Dec 23, 2005

Exchange to Change Margins for NYMEX miNYTM Natural Gas Futures Contracts

Dec 22, 2005

Letter from NYMEX Chairman Mitchell Steinhause

Dec 20, 2005

Exchange Reaches Record Volume on Natural Gas Calendar Spread Options Contract

Dec 19, 2005

NYMEX Holdings, Inc., to Distribute Dividend to Shareholders

Dec 15, 2005

Exchange to Change Margins for Some Financially Settled Monthly Electricity Futures Contracts

Dec 14, 2005

Exchange to Change Margins for Coal Futures Contract

Dec 13, 2005

CME Christmas and New Year's Holiday Schedules

Dec 13, 2005

CME FX Volumes Continue to Grow With New Overall and CME® Globex® Records on December 12

Dec 12, 2005

Exchange to Introduce Two New NYMEX miNYTM Contracts

Dec 12, 2005

CME Expands Asia Operations to Increase Growth Opportunities

Hires 25-Year Global Futures Executive to Manage Asia Office

Dec 12, 2005

CME Surpasses One Billion Contracts Traded in 2005

Milestone Fueled by Increase in Electronic Trading, International Growth and New Product Offerings

Dec 9, 2005

Exchange to Change Margins for Natural Gas, Related Futures Contracts

Dec 9, 2005

Gold Futures Reach Record Annual Volume

Dec 8, 2005

NYMEX Announces Early Termination of Hart-Scott-Rodino Waiting Period

Dec 7, 2005

Dubai Mercantile Exchange Names Chief Executive Officer

Dec 7, 2005

COMEX Division Sets Record Seat Sale

Dec 5, 2005

Exchange to Reduce Size of NYMEX miNYTM Natural Gas Futures Contracts

Dec 5, 2005

CME and Morgan Stanley Capital International Establish Index Licensing Partnership

CME to Launch MSCI EAFE® Futures in First Quarter 2006

Dec 2, 2005

Exchange Announces Margin Changes for Natural Gas Futures Contracts

Dec 2, 2005

Exchange to Change Margins Copper Futures Contracts

Dec 1, 2005

CME Reports Average Daily Volume of 4.1 Million Contracts in November 2005, Up 27 Percent from Year-Ago Period, with Record Open Interest

CME® Globex® Volume Represents 71 Percent of Total Exchange Volume, Up 32 Percent from November 2004

Nov 30, 2005

COMEX Division Reaches Record Seat Sale, NYMEX ACCESS® Volume

Nov 29, 2005

Exchange Announces Margin Changes for Natural Gas Futures Contracts

Nov 29, 2005

Exchange to Change Margins on Copper Futures Contracts

Nov 28, 2005

Exchange Announces Margin Rate Changes for Gold and Silver

Nov 23, 2005

CME E-mini Equity Index Options Total Volume Exceeds 4 Million

Nov 21, 2005

CME Announces Thanksgiving Holiday Trading Schedule

Nov 17, 2005

Exchange Reduces Position Limits for Copper Futures Contract

Nov 17, 2005

Exchange Trades 5 Millionth NYMEX miNYTM Futures Contracts, Announces Record Volumes

Nov 17, 2005

Market Maker Programs for Options on Two-Year U.S. Treasury Note Futures

Nov 15, 2005

NYMEX Holdings, Expertica to Form Joint Venture for Russian Crude Oil Contract

Nov 14, 2005

NYMEX and General Atlantic Sign Definitive Agreement for $135 Million Equity Investment in NYMEX

Nov 14, 2005

Exchange Announces Record Seat Sale