CME Globex Notices: October 15, 2007

If you have any questions or concerns, please contact your CME Globex Account Manager at 312.634.8700; +44.20.7796.7100 in Europe; or at +852.3101.7696 in Asia.

Critical System Updates

Introducing Alphanumeric Host Order Numbers (HON)
Effective Sunday, October 28, 2007, CME Group is launching alphanumeric Host Order Numbers (HON) in FIX tag 37, OrderID, in all applicable iLink messaging.

Alphanumeric values for tag 37 are currently available in the New Release environment. The following December 2007 futures are available with an alphanumeric HON in New Release:

NYMEX Crude Oil - CLZ7
E-mini S&P 500 ^® - ESZ7
Eurodollar - GEZ7
Euro FX - 6EZ7

Tag 37 is defined with a String format in the iLink Message Specifications module of the iLink Software Development Kit (SDK), so there is no field type change. Tag 37 is used to uniquely identify orders per contract, per trading session. Currently numeric only, tag 37 will use alphanumeric values to support the growth in trading and messaging volume.

Changes to Instrument Creation (MO) Replay Channels
Effective Sunday, November 18, 2007, CME Group is introducing new Instrument Creation (MO) Replay channels on the Market Data Platform in production. With these new channels, every product RLC data channel (e.g., channel 7, Equity futures; channel 8, Equity options, etc.) will have a dedicated MO Replay channel so customers can listen only to the MO messages for which they receive market data.

The current MO Replay channels (channel 1 and 16) will be maintained in parallel for at least eight weeks before those channels are decommissioned.

Please note, these changes only affect the RLC-format channels. There are no changes to the ITC 2.1-format channels.

The new MO Replay channels are currently available in New Release for customer testing. The new MO replay channels will be available in Certification on Wednesday, November 21. The channel definitions for New Release are now available at www.cme.com/certsdk.

CBOT and Hosted Exchange Products and Functionality Launch
Effective January 2008, the CBOT and Hosted Exchange functionality and products are scheduled to launch on the CME Globex electronic trading platform. Commodities, Dow and Hosted Exchange futures and options are scheduled to launch January 13, 2008. Interest Rate futures and options are scheduled to launch January 27. Jade and Metal products are not included in this launch.

All CBOT-related functionality and CBOT and Hosted Exchange products, including futures, options, spreads and strategies, are currently available for testing in New Release. Customers can now certify for Cabinet pricing in New Release, via the AutoCert+ automated certification tool.

The new functionality to support this launch includes Fractional and Cabinet pricing; matching algorithms; new spreads; and enhancements to the Instrument Creation (MO) and Security Definition (MU) market data messages. Complete information on the customer system impacts for this launch is available in the CBOT Client Impact Assessment.

Product Launches

E-mini MSCI Emerging Markets Futures Launch
Effective this Sunday, October 21 (for trade date Monday, October 22), E-mini MSCI Emerging Markets futures will launch on the CME Globex platform.

Based on the MSCI Emerging Markets Index, these new futures allow customers to quickly and efficiently manage exposure to the active global emerging markets segment. The E-mini MSCI Emerging Markets futures are a powerful tool for capturing the opportunities presented by developing economies, based on the leading emerging markets benchmark index.

Product	Instrument Group Code	Product Code	Listed Contracts
E-mini MSCI Emerging Markets Futures	EF	EMI	2 quarterlies

Product	Instrument Group Code	Product Code	Strategy Type Code	Listed Contracts
E-mini MSCI Emerging Markets calendar spreads	EF	EMIMY-EMI MY†	EQ	1 spread

† MY = Month and year in normal CME Group terminology, e.g. Z7

The E-mini MSCI Emerging Markets futures are currently available in the New Release environment for customer testing.

U.S. Commercial Real Estate Futures
Effective Sunday, October 28, 2007 (for trade date Monday, October 29), U.S. Commercial Real Estate futures will launch on the CME Globex electronic trading platform. Ten quarterly cash-settled contracts will be available upon launch: a national composite index, five geographic regional indexes, and four national property type indexes.

Based on the S&P/GRA Commercial Real Estate Indices (SPCREX™), these products will have a significant impact on how institutional and retail investors hedge and gain exposure to the U.S. commercial real estate market by expanding opportunities with investment choices by geography and property type.

U.S. Commercial Real Estate Futures

Product	Instrument Group Code	Product Code	MDP RLC Channel	Listed Contracts
Desert Mountain West	HI	CED	9	20 quarterlies in the March cycle (5 years)
Mid-Atlantic South		CES
Midwest		CEM
Northeast		CEN
Pacific West		CEW
Apartments		CEA
Office		CEO
Retail		CEL
Warehouse		CEE
National Composite		CEC

These futures are currently available in Certification for customer testing.

Product Changes

Delisting Butterfly Strategies on E-mini Equity Options
Effective at close of business Friday, October 26, 2007, all Butterfly strategies (Strategy Type Code BO) on E-mini Equity options will be delisted. Customers can leverage the User-Defined Spreads: Combos functionality to create any desired strategies.

Events and Announcements

Performance Testing Windows in Certification and New Release
Effective this Monday, October 22, weekly performance testing windows will be supported in Certification and New Release environments. During the performance testing windows, peak volume, real time, production level market data will be broadcast on all products listed on the CME Globex platform. Customers may send iLink messages and interact with production-like messaging rates.

Certification Performance Testing Window: Thursdays, 7:00 - 9:00a.m. Central time (CT)
New Release Performance Testing Window: Fridays, 7:00 - 9:00a.m. Central time (CT)

Due to bandwidth limitations, VPN customers should not connect during the performance testing windows. Customers interested in performance testing in Certification or New Release are strongly advised to adopt one of the new, higher-bandwidth connectivity options, including CME CERTLink and Client CERTLink.

More information on the testing environments and the performance testing windows is available in Certification Environments Overview.

CME Group Metals
As a result of customer demand, the CME Group metals complex will continue to trade on eCBOT through June 2008. Details of a longer term solution will be provided at a later date.

We will continue to fully support the trading, clearing, marketing and customer support for the 100 oz. gold, mini-sized gold, 5,000 oz. silver and mini-sized silver futures and options on futures contracts.

CME Group is the only exchange to offer a straight-thru clearing platform through its electronic vault receipt program as well as to provide for directed fungibility of its mini-sized gold and silver futures contracts with its full-size counterparts.

CME Globex Trader Decommission Postponed!
CME Group is postponing the CME Globex Trader decommission until May 30, 2008.

In 2006, CME announced the decision to decommission CME Globex Trader by the end of 2007 because of the system's aging functionality and infrastructure and declining user base. In response to customer feedback on the integration of CME and CBOT trading floors, CME Group will postpone the CME Globex Trader decommission. This extension will allow customers to use CME Globex Trader on the CME trading floors at 20 S. Wacker until their closure.

Please note: although CME Globex Trader will be available until the floor migration is complete, CBOT and Hosted Exchange products will not be available for trading on CME Globex Trader, and CME Globex Trader terminals will not be available on the new CME Group floors at 141 W. Jackson. Traders may replace CME Globex Trader with a third-party application. CME Group front-end applications include EOS Trader, an options-centric trading application with limited futures trading functionality, and Galax-C, a handheld system used to access CME Globex markets from the open outcry trading floors.

Finally, with the postponement there will be no change to the monthly fees, and VPN access will continue to be available until May 30, 2008.