updated 3/14/2011 7:24:19 AM ET 2011-03-14T11:24:19

NEW YORK, March 14, 2011 (GLOBE NEWSWIRE) -- The NASDAQ OMX Group, Inc. (Nasdaq:NDAQ) and Clean Edge, Inc. announced today the results of the semi-annual evaluation of the NASDAQ® Clean Edge® Green Energy Index (Nasdaq:CELS), which will become effective prior to market open on Monday, March 21, 2011.

The following 14 securities will be added to the Index:Advanced Analogic Technologies, Inc. (Nasdaq:AATI), Active Power, Inc. (Nasdaq:ACPW), Ameresco, Inc. (NYSE:AMRC), Amtech Systems, Inc. (Nasdaq:ASYS), Ballard Power Systems Inc. (Nasdaq:BLDP), Codexis, Inc. (Nasdaq:CDXS), Capstone Turbine Corporation (Nasdaq:CPST), EMCORE Corporation (Nasdaq:EMKR), FuelCell Energy, Inc. (Nasdaq:FCEL), Gevo, Inc. (Nasdaq:GEVO), JinkoSolar Holding Co., Ltd. (NYSE:JKS), SemiLEDs Corporation (Nasdaq:LEDS), China Ming Yang Wind Power Group Limited (NYSE:MY), and Valence Technology, Inc. (Nasdaq:VLNC).

The Index is designed to track the performance of clean-energy companies that are publicly traded in the U.S. The Index includes 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 NASDAQ® Clean Edge® Green Energy Index is evaluated semi-annually in March and September. For more information about the NASDAQ® Clean Edge® Green Energy Index, including detailed eligibility criteria, visit https://indexes.nasdaqomx.com/ .

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

As a result of the evaluation, the following three securities will be removed from the Index: Comverge, Inc. (Nasdaq:COMV), IXYS Corporation (Nasdaq:IXYS), and PowerSecure International, Inc. (Nasdaq:POWR).

About NASDAQ OMX Global Index Group

NASDAQ OMX Global Index Group is engaged in the design, development, calculation, licensing, and marketing of NASDAQ OMX Indexes. NASDAQ OMX Global Index Group specializes in the development of indexes focusing on NASDAQ OMX's brand themes of innovation, technology, growth, and globalization. NASDAQ OMX Global Index Group also provides custom index services and design solutions as a third-party provider to selected financial organizations. For more information about NASDAQ OMX indexes, visit www.nasdaq.com/indexes .

Access to essential historical index data for NASDAQ OMX indexes can be accessed from a single source, NASDAQ OMX Global Index Watch. For additional information, please visit https://indexes.nasdaqomx.com/indexwatch.aspx .

About NASDAQ OMX Group

The NASDAQ OMX Group, Inc. is the world's largest exchange company. It delivers trading, exchange technology and public company services across six continents, with approximately 3,600 listed companies. NASDAQ OMX Group offers multiple capital raising solutions to companies around the globe, including its U.S. listings market; NASDAQ OMX Nordic, including First North, NASDAQ OMX Baltic and the U.S. 144A sector. The company offers trading across multiple asset classes including equities, derivatives, debt, commodities, structured products and ETFs. NASDAQ OMX Group technology supports the operations of over 70 exchanges, clearing organizations and central securities depositories in more than 50 countries. NASDAQ OMX Nordic and NASDAQ OMX Baltic are not legal entities but describe the common offering from NASDAQ OMX Group exchanges in Helsinki, Copenhagen, Stockholm, Iceland, Tallinn, Riga, and Vilnius. For more information about NASDAQ OMX, visit www.nasdaqomx.com . *Please follow NASDAQ OMX on Facebook ( http://www.facebook.com/pages/NASDAQ-OMX/108167527653 ) and Twitter ( http://www.twitter.com/nasdaqomx ).

About Clean Edge, Inc.

Clean Edge, the world's first research and advisory firm devoted to the clean-tech sector, delivers comprehensive clean-tech insights to corporations, investors, governments, entrepreneurs, and other key stakeholders. The company integrates timely clean-tech data from dozens of sources with expert analysis to provide critical insights to its clients and subscribers. The firm's offerings include the U.S. Clean Energy Leadership Index and related advisory services, industry-leading sponsored reports including the annual Clean Energy Trends and Clean-Tech Job Trends series, the annual Clean-Tech Investor Summit conference (coproduced with IBF), and benchmark clean-tech stock indices with NASDAQ which track U.S. clean energy (Nasdaq:CELS), global wind (Nasdaq:QWND), and smart grid and grid infrastructure (Nasdaq:QGRD) companies. To keep abreast of the latest clean-tech trends or learn more about Clean Edge, visit www.cleanedge.com .

NASDAQ Clean Edge Green Energy Index ("Index") is the exclusive property of The NASDAQ OMX Group, Inc., (collectively, with its affiliates "NASDAQ OMX") and Clean Edge, Inc. ("Clean Edge").

NDAQG

CONTACT: NASDAQ Media Contact:
         Wayne Lee
         +1.301.978.4875
         Wayne.D.Lee@NASDAQOMX.com
         
         NASDAQ Issuer and Investor Contact:
         Lisa Chaney
         +1.301.978.8281
         Lisa.Chaney@NASDAQOMX.com
         
         Clean Edge Contact:
         Ron Pernick
         +1.503.493.8681
         pernick@cleanedge.com

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