News Release

CME Group to Launch 18 New Natural Gas Swap Futures Contracts on ClearPort

Fri Oct 10 2008

CHICAGO, Oct. 10 /PRNewswire-FirstCall/ -- CME Group, the world's largest and most diverse derivatives exchange, today announced that it will launch 18 new natural gas basis, index and swing swaps futures contracts on ClearPort®, beginning on October 19 for trade date October 20.

The new futures contracts and their commodity codes are: NGPL STX natural gas basis swap (T5); Algonquin Citygate natural gas basis swap (B4); TCO natural gas index swap (Q1); TETCO STX natural gas index swap (Q2); Tennessee Zone 0 natural gas index swap (Q4); Transco Zone 3 natural gas index swap (Y6); Tennessee 500 leg natural gas index swap (Y7); MichCon natural gas index swap (Y8); CIG Rockies natural gas index swap (Z8); TCO natural gas swing swap (A1); TETCO STX natural gas swing swap (T2); Tennessee Zone 0 natural gas swing swap (T4); Malin natural gas swing swap (W9); Stanfield natural gas swing swap (Q3); Transco Zone 3 natural gas swing swap (T6); Tennessee 500 leg natural gas swing swap (T7); MichCon natural gas swing swap (T8); and CIG Rockies natural gas swing swap (U8).

The basis and index swap futures contracts will be listed for 36 consecutive months, and the swing swap futures contracts will be listed for two consecutive months. The first listed month for all contracts will be November 2008.

The contract will be 2,500 mmBtus (10,000 million British thermal units) in size with a minimum price fluctuation of $0.0025 per mmBtu. 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, Allan Schoenberg, +1-312-930-8189, or Anu Ahluwalia,
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+1-312-930-8491, all of CME Group

Web site: http://www.cmegroup.com/

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