Semi-Annual Changes to the NASDAQ OMX Clean Edge Smart Grid Infrastructure Index

Semi-Annual Changes to the NASDAQ OMX Clean Edge Smart Grid Infrastructure
Index

NEW YORK, March 18, 2013 (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 OMX Clean Edge Smart Grid Infrastructure
Index (Nasdaq:QGRD), which will become effective with the market open today.

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The following four securities will be added to the Index: Enphase Energy Inc
(Nasdaq:ENPH), Pike Electric Corporation (NYSE:PIKE), PowerSecure
International (Nasdaq:POWR) and Wasion Group Holdings LTD (HKSE:3393).

The index is designed to act as a transparent and liquid benchmark for the
smart grid and electric infrastructure sector. The index includes companies
that are primarily engaged and involved in electric grid; electric meters,
devices, and networks; energy storage and management; and enabling software
used by the smart grid and electric infrastructure sector. The securities must
also meet other eligibility criteria which include minimum requirements for
market capitalization and average daily dollar trading volume. The NASDAQ OMX
Clean Edge Smart Grid Infrastructure Index is evaluated semi-annually in March
and September. For more information about the NASDAQ OMX Clean Edge Smart Grid
Infrastructure Index, including detailed eligibility criteria, visit
https://indexes.nasdaqomx.com/.

The First Trust NASDAQ^® Clean Edge^® Smart Grid Infrastructure Index Fund
(Nasdaq:GRID), is an exchange traded fund that seeks investment results that
correspond generally to the price and yield, before the Fund's fees and
expenses, of the NASDAQ OMX^® Clean Edge^® Smart Grid Infrastructure Index.

As a result of the evaluation, the following security will be removed from the
Index:Echelon Corporation (Nasdaq:ELON).

About NASDAQ OMX Global Indexes

NASDAQ OMX Global Indexes has been creating innovative, market-leading,
transparent indexes since 1971. Today, our index offering spans geographies
and asset classes and includes diverse families such as the Dividend
Achievers, Global, Nordic, Green Economy, Sharia and Commodity Indexes. We
continuously offer new opportunities for financial product sponsors across a
wide-spectrum of investable products and for asset managers to measure risk
and performance. NASDAQ OMX Global Indexes also provides custom index services
and design solutions to selected financial organizations. For more information
about NASDAQ OMX Global Indexes, visit indexes.nasdaqomx.com.

Daily index values, weightings and historical data for NASDAQ OMX indexes are
available via NASDAQ OMX Global Index Watch and NASDAQ OMX Global Index Data
Service.

About NASDAQ OMX Group

The inventor of the electronic exchange, The NASDAQ OMX Group, Inc., fuels
economies and provides transformative technologies for the entire lifecycle of
a trade - from risk management to trade to surveillance to clearing. In the
U.S. and Europe, we own and operate 26 markets including 3 clearinghouses and
5 central securities depositories supporting equities, options, fixed income,
derivatives, commodities, futures and structured products. Able to process
more than 1 million messages per second at sub-55 microsecond average speeds
with 99.99% uptime, our technology drives more than 70 marketplaces in 50
developed and emerging countries into the future, powering 1 in 10 of the
world's securities transactions. Our award-winning data products and worldwide
indexes are the benchmarks in the financial industry. Home to approximately
3,300 listed companies worth $6 trillion in market cap whose innovations shape
our world, we give the ideas of tomorrow access to capital today. Welcome to
where the world takes a big leap forward, daily. Welcome to the NASDAQ OMX
Century. To learn more, visit www.nasdaqomx.com. Follow us on Facebook
(http://www.facebook.com/NASDAQ) and Twitter
(http://www.twitter.com/nasdaqomx). (Symbol: NDAQ and member of S&P 500)

About Clean Edge, Inc.

Clean Edge, Inc., founded in 2000, is the world's first research and advisory
firm devoted to the clean-tech sector. Clean Edge managing director Ron
Pernick and senior editor Clint Wilder released their latest book, Clean Tech
Nation (HarperCollins) in September 2012, offering a bipartisan Seven Point
Action Plan for Repowering America (www.cleantechnation.com). For more than a
decade, the firm has delivered timely data, expert analysis, and comprehensive
insights to governments, corporations, investors, nonprofits, and other key
stakeholders. The company offers an unparalleled suite of index, benchmarking,
and advisory services, including the Clean Energy Leadership Index
subscription service which tracks states and metro regions, sponsored
publications including the annual Clean Energy Trends report, and benchmark
clean-tech stock indexes with NASDAQ. To keep abreast of the latest clean-tech
news; access industry reports; learn more about Clean Edge, or sign up for the
firm's free e-newsletters; visit www.cleanedge.com.

The information contained above is provided for informational and educational
purposes only, and nothing contained herein should be construed as investment
advice, either on behalf of a particular financial product or an overall
investment strategy. Neither The NASDAQ OMX Group, Inc. nor any of its
affiliates makes any recommendation to buy or sell any financial product or
any representation about the financial condition of any company or fund.
Statements regarding NASDAQ's proprietary indexes are not guarantees of future
performance. Actual results may differ materially from those expressed or
implied. Past performance is not indicative of future results. Investors
should undertake their own due diligence and carefully evaluate companies
before investing. ADVICE FROM A SECURITIES PROFESSIONAL IS STRONGLY ADVISED.

NDAQG

CONTACT: NASDAQ OMX Media Contact:
         Wayne Lee
         +1.301.978.4875
         Wayne.D.Lee@NASDAQOMX.Com
        
         NASDAQ OMX 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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