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

NEW YORK, March 19, 2012 (GLOBE NEWSWIRE) -- The NASDAQ OMX Group, Inc. NDAQ and Clean Edge, Inc. announced today the results of the semi-annual evaluation of the NASDAQ OMX Clean Edge Smart Grid Infrastructure Index QGRD, which will become effective with the market open today.

The following two securities will be added to the Index: PowerSecure International, Inc. POWR and RuggedCom Inc. RCM.

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 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: SatCon Technology Corporation SATC.

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.

About NASDAQ OMX Group

The inventor and transformer of the electronic exchange, The NASDAQ OMX Group, Inc., fuels economies with revolutionary technologies for the entire lifecycle of a trade - from risk management to trade to surveillance to clearing. In the US and Europe, we own and operate 24 markets, 3 clearinghouses and 6 central securities depositories supporting equities, options, fixed income, derivatives, commodities, futures and structured products. Able to traffic more than 1 million messages per second at sub-80 microsecond speeds with 99.999% uptime, our technology drives more than 70 exchanges 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 3,400 listed companies worth $5.1 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). NDAQ

About Clean Edge

Clean Edge, Inc., founded in 2000, is the world's first research and advisory firm devoted to the clean-tech sector. 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, sponsored publications including the annual Clean Energy Trends report, the annual Clean-Tech Investor Summit conference (co-produced with IBF), 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 http://www.cleanedge.com.

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