News Release

CME Group to Launch New Natural Gas Liquids Swaps and Plastics Futures Contracts on ClearPort

Tue Oct 28 2008

CHICAGO, Oct. 28 /PRNewswire-FirstCall/ -- CME Group, the world's largest and most diverse derivatives exchange, today announced that it will launch five new natural gas liquids swaps futures contracts and two plastics futures contracts on ClearPort®, beginning November 2 for trade date November 3.

The natural gas liquids swaps contracts and their commodity codes are: Conway propane (OPIS) (W1); Mont Belvieu natural gasoline (OPIS) (W3); Mont Belvieu ethane (OPIS) (W8); Mont Belvieu isobutene (OPIS) (Y2); and Mont Belvieu normal butane (OPIS) (Z2). These contracts will be cash-settled using OPIS assessments. They will be listed for 36 consecutive months, beginning with the November 2008 contract, and will be 42,000 gallons in size.

The plastics futures contracts and their commodity codes are: polypropylene (P1) and polyethylene (P6). The contracts will be listed for 24 consecutive months, beginning with the January 2009 contract, and will be 47,000 pounds in size. They will feature physical delivery in Houston.

For more information, please visit http://www.nymex.com/.

CME Group (http://www.cmegroup.com/) is the world's largest and most diverse derivatives exchange. Building on the heritage of CME, CBOT and NYMEX, CME Group serves the risk management needs of customers around the globe. As an international marketplace, CME Group brings buyers and sellers together on the CME Globex electronic trading platform and on trading floors in Chicago and New York. By acting as the buyer to every seller and the seller to every buyer, CME Clearing virtually eliminates counterparty credit risk CME Clearing also offers $7 billion in financial safeguards to help mitigate systemic risk, providing the security and confidence market participants need to operate, invest and grow. CME Group offers the widest range of benchmark products available across all major asset classes, including futures and options based on interest rates, equity indexes, foreign exchange, energy, agricultural commodities, metals, and alternative investment products such as weather and real estate. CME Group is listed on NASDAQ under the symbol "CME."

The Globe logo, CME, Chicago Mercantile Exchange, CME Group, Globex and E-mini, are trademarks of Chicago Mercantile Exchange Inc. CBOT and Chicago Board of Trade are trademarks of the Board of Trade of the City of Chicago. NYMEX, New York Mercantile Exchange, and ClearPort are trademarks of New York Mercantile Exchange, Inc. COMEX is a trademark of Commodity Exchange, Inc. All other trademarks are the property of their respective owners. Further information about CME Group and its products can be found at http://www.cmegroup.com/.

CME-G

SOURCE: CME Group

CONTACT: Media, Anu Ahluwalia, +1-212-299-2439, or Allan Schoenberg,
+1-312-930-8189, news@cmegroup.com, or Investors, John Peschier,
+1-312-930-2439, all of CME Group

Web site: http://www.cme.com/
http://www.cmegroup.mediaroom.com/
http://www.nymex.com/

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