London – Reuters, the global information company, and CME, the world's largest and most diverse financial exchange, today announced that they have completed the formation of their previously announced 50/50 joint venture FXMarketSpace.

The launch of FXMarketSpace's trading platform, expected in Q1 2007, will create the world's first centrally-cleared, foreign exchange marketplace. Certain FXMarketSpace activities will be subject to regulatory approval of the UK Financial Services Authority, which is expected in early 2007. For more information on FXMarketSpace, please visit www.fxmarketspace.com.

Ends

Contacts

Press inquires:
Anita Liskey, 312/466-4613
Amy Rosenberg, FD, 212/850-5615
news@cme.com
www.cme.com/mediaroom

Investor Contact
John Peschier, 312/930.8491
CME-G

Press inquires:
Yvonne Diaz, +44 207 542 2615
yvonne.diaz@reuters.com

Investor Contact:
Miriam McKay, +44 20 7542 7057
miriam.mckay@reuters.com

Note to Editors

About CME

Chicago Mercantile Exchange Inc. (www.cme.com) is the world's largest and most diverse financial exchange. As an international marketplace, CME brings together buyers and sellers on CME Globex electronic trading platform and on its trading floors. CME offers futures and options on futures primarily in four product areas: interest rates, stock indexes, foreign exchange and commodities. The exchange managed $47.0 billion in collateral deposits at March 31, 2006, including $3.8 billion in deposits for non-CME products. CME is a wholly owned subsidiary of Chicago Mercantile Exchange Holdings Inc. (NYSE, NASDAQ: CME), which is part of the Russell 1000® Index.

Statements in this news release that are not historical facts are 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 our filings with the Securities and Exchange Commission, including our most recent Quarterly Report on Form 10-Q, which can be obtained at its Web site at http://www.sec.gov. We undertake no obligation to publicly update any forward-looking statements, whether as a result of new information, future events or otherwise.

About Reuters
Reuters (http://www.reuters.com/), the global information company, provides indispensable information tailored for professionals in the financial services, media and corporate markets. Its trusted information drives decision making across the globe based on a reputation for speed, accuracy and independence. At the end of 2005, had 15,300 staff in 89 countries. This includes 2,300 editorial staff in 189 bureaux serving 128 countries, making Reuters the world's largest international multimedia news agency. In 2005, Reuters (LSE: RTR; NASDAQ: RTRSY) revenues were 2.4 billion pounds.

Reuters and the sphere logo are the trade-marks of the Reuters group of companies.

This press release may be deemed to include forward-looking statements relating to Reuters within the meaning of Section 27A of the US Securities Act of 1933 and Section 21E of the US Securities Exchange Act of 1934. Certain important factors that could cause actual results to differ materially from those disclosed in such forward-looking statements are highlighted in the press release and are described in more detail in Reuters Annual Report and Form 20-F 2005 under the heading ‘Risk Factors', and include the risk that necessary approvals are not received and that the joint venture is not as successful as or by the times anticipated. Copies of the Annual Report and Form 20-F 2005 are available on request from Reuters Group PLC, South Colonnade, Canary Wharf, London E14 5EP. Any forward-looking statements made by or on behalf of Reuters speak only as of the date they are made, and Reuters does not undertake to update any forward-looking statements.