NEW YORK, March 12, 2008 /PRNewswire-FirstCall/ -- The Green Exchange(TM), today announced that Vitol SA, one of the largest energy trading firms in the world, and RNK Capital LLC, a private energy and environmental markets investment firm, each have agreed to work toward building The Green Exchange venture as founding members.

In December 2007, The Green Exchange initiative was introduced by NYMEX Holdings, Inc., with Evolution Markets, Morgan Stanley, Credit Suisse, JPMorgan, Merrill Lynch, Tudor Investment and Constellation Energy. The new exchange will offer a comprehensive range of environmental futures, options and swap contracts for markets focused on solutions to climate change, renewable energy and other environmental challenges. The first slate of environmental futures and options contracts will be introduced on the New York Mercantile Exchange, Inc., the world's largest physical commodities exchange and a subsidiary of NYMEX Holdings, on March 16 for trade date March 17.

David Fransen, Managing Director of Vitol SA, said, "Vitol is very pleased to be a supporter of The Green Exchange(TM). As a leading trader in this new and developing market, Vitol is committed to supporting liquidity and the overall development of The Green Exchange."

"We are excited to put our support behind The Green Exchange. The exchange and its participants will provide a means of efficiency transacting business and liquidity in these ever growing markets," commented Rob Koltun, Managing Member of RNK Capital LLC.

About Green Exchange

The Green Exchange initiative was introduced by NYMEX Holdings, Inc. (NYSE: NMX) in December 2007, with Evolution Markets, Morgan Stanley, Credit Suisse, JPMorgan, Merrill Lynch, Tudor Investment and Constellation Energy. The new exchange will offer a comprehensive range of environmental futures, options and swap contracts for markets focused on solutions to climate change, renewable energy and other environmental challenges. For further information about The Green Exchange, please visit http://www.greenfutures.com.

About Vitol SA

The Vitol SA is one of the largest and most successful traders in the world's energy marketplace. Vitol's main trading operation is located in Geneva, Switzerland. The company also has interests in various oil terminals and oil exploration projects. Additional information can be found at http://www.vitol.com.

About RNK Capital LLC

RNK Capital LLC is a private investment firm specializing in the global environmental, emissions, energy, utilities and water markets. Through its environmental and emissions strategy, RNK Capital is an active trader in the various U.S. and international carbon and environmental markets. It is also a leading specialist in structured transactions for the global carbon and other environmental markets, including early-stage compliance projects. For more information, please visit RNK Capital's website at http://www.RNKCapital.com.

Forward Looking and Cautionary Statements

This press release may contain forward-looking statements within the meaning of the Private Securities Litigation Reform Act, with respect to our future performance, operating results, strategy, and other future events. Such statements generally include words such as could, can, anticipate, believe, expect, seek, pursue, and similar words and terms, in connection with any discussion of future results. Forward-looking statements involve a number of assumptions, risks, and uncertainties, any of which may cause actual results to differ materially from the anticipated, estimated, or projected results referenced in forward-looking statements. In particular, the forward-looking statements of NYMEX Holdings, Inc. and its subsidiaries are subject to the following risks and uncertainties: the success and timing of new futures contracts and products; changes in political, economic, or industry conditions; the unfavorable resolution of material legal proceedings; the impact and timing of technological changes and the adequacy of intellectual property protection; the impact of legislative and regulatory actions, including without limitation, actions by the Commodity Futures Trading Commission; and terrorist activities and international hostilities, which may affect the general economy as well as oil and other commodity markets. We assume no obligation to update or supplement our forward-looking statements.