The NASDAQ OMX Group, Inc. (NASDAQ:NDAQ) Semi-Annual Changes To The NASDAQ Clean Edge U.S. Liquid Series Index

The NASDAQ OMX Group, Inc. (NASDAQ:NDAQ) NEW YORK, Sept. 15, 2008 (GLOBE NEWSWIRE) -- The NASDAQ OMX Group, Inc. (Nasdaq:NDAQ) announced today the results of the semi-annual evaluation of the NASDAQ(r) Clean Edge(r) U.S. Liquid Series Index (Nasdaq:CELS), which will become effective with the market open on Monday, September 22, 2008.

The following six securities will be added to the Index: C&D Technologies, Inc. (NYSE:CHP), China Sunergy Co., Ltd. (Nasdaq:CSUN), Ener1, Inc (AMEX:HEV), Rubicon Technology, Inc. (Nasdaq:RBCN), ReneSola Ltd (NYSE:SOL), and GT Solar International, Inc. (Nasdaq:SOLR).

The Index is designed to track the performance of clean-energy companies that are publicly traded in the U.S. The Index include companies engaged in the manufacturing, development, distribution, and installation of emerging clean-energy technologies such as solar photovoltaics, biofuels and advanced batteries. The five major sub-sectors that the index covers are Renewable Electricity Generation, Renewable Fuels, Energy Storage & Conversion, Energy Intelligence and Advanced Energy-Related Materials. The securities must also meet other eligibility criteria which include minimum requirements for market value, average daily share volume, and price. The Index is evaluated on a semi-annual basis in March and September. For more information about the NASDAQ Clean Edge U.S. Liquid Series Index, including detailed eligibility criteria, visit www.NASDAQ.com.

The NASDAQ Clean Edge U.S. Liquid Series Index is the basis for the First Trust NASDAQ Clean Edge U.S. Liquid Series Index Fund (Nasdaq:QCLN), which seeks investment results that correspond generally to the price and yield of the NASDAQ Clean Edge U.S. Liquid Series Index before fees and expenses.

As a result of the evaluation, the following seven securities will be removed from the Index: Akeena Solar, Inc. (Nasdaq:AKNS), Comverge, Inc. (Nasdaq:COMV), Hoku Scientific, Inc. (Nasdaq:HOKU), Medis Technologies Ltd. (Nasdaq:MDTL), Nova Biosource Fuels, Inc. (AMEX:NBF), Pacific Ethanol, Inc. (Nasdaq:PEIX) and Verenium Corporation (Nasdaq:VRNM).

About NASDAQ OMX

The NASDAQ OMX Group, Inc. is the world's largest exchange company. It delivers trading, exchange technology and public company services across six continents, and with over 3,900 companies, it is number one in worldwide listings among major markets. NASDAQ OMX offers multiple capital raising solutions to companies around the globe, including its U.S. listings market; the OMX Nordic Exchange, including First North; and the 144A PORTAL Market. The company offers trading across multiple asset classes including equities, derivatives, debt, commodities, structured products and ETFs. NASDAQ OMX technology supports the operations of over 70 exchanges, clearing organizations and central securities depositories in more than 50 countries. OMX Nordic Exchange is not a legal entity but describes the common offering from NASDAQ OMX exchanges in Helsinki, Copenhagen, Stockholm, Iceland, Tallinn, Riga, and Vilnius. For more information about NASDAQ OMX, visit www.nasdaqomx.com.

About Clean Edge

Clean Edge, Inc., with offices in the San Francisco Bay Area and Portland, Ore., is a leading research and publishing firm that helps companies, investors, and policymakers understand and profit from clean technologies. Founded in 2000, Clean Edge and its network of partners and affiliates offer unparalleled intelligence and insight into the clean-tech sector. Among its many activities, the company publishes the annual "Clean Energy Trends" report, produces the annual Clean-Tech Investor Summit (along with IBF), and maintains a number of clean-energy stock indexes. To keep abreast of the latest clean-tech news, access industry reports, learn more about the company's annual summit and stock indexes, or sign up for Clean Edge's free e-newsletter, visit http://www.cleanedge.com.

NDAQG

CONTACT: The NASDAQ OMX Group, Inc. Media Contact: Wayne Lee +1.301.978.4875 Wayne.D.Lee@NASDAQOMX.Com Issuer and Investor Contact: Lisa Chaney +1.301.978.8281 Lisa.Chaney@NASDAQOMX.Com

Clean Edge Ron Pernick +1.503.493.8681 pernick@cleanedge.com

The NASDAQ OMX Group, Inc.

http://ir.nasdaq.com/

ISIN: US6311031081

Stock Identifier: NYS.NDAQ