Semi-annual review of OMX Oslo 20 Index


Stockholm, December 3, 2010 - The NASDAQ OMX Group, Inc. (NASDAQ:NDAQ)
announced today the result of the semi-annual review of the OMX Oslo 20 Index
(NASDAQ OMX Stockholm: OMXO20), which will become effective with the market
open on Monday, December 20, 2010. 

NASDAQ OMX announced that TGS-NOPEC Geophysical Company (TGS) will be added to
the OMXO20 index. DNO International (DNO) will be removed from the index. 

The OMXO20 is a free float adjusted index composed of the 20 most traded stocks
on Oslo Børs. The OMXO20 Index is designed to track the Norwegian stock market
and act as underlying for financial products such as options, futures,
exchange- traded funds and mutual funds. OMXO20 is re-ranked semi-annually in
June and December. 

The OMX Oslo 20 Index constituents effective December 20, 2010 are:

Acergy
Aker Solutions
DnB NOR
Fred. Olsen Energy
Frontline
Golden Ocean Group
Marine Harvest
Norsk Hydro
Orkla
Petroleum Geo-Services
Royal Caribbean Cruises
Renewable Energy Corporation
Seadrill
Sevan Marine
Storebrand
Statoil
Subsea 7
Telenor
TGS-NOPEC Geophysical Company
Yara International



About NASDAQ OMX Index Products

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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.nasdaqomx.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 
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 more than 3,600 listed companies. NASDAQ OMX offers multiple capital
raising solutions to companies around the globe, including its U.S. listings
market, NASDAQ OMX Nordic, NASDAQ OMX Baltic, NASDAQ OMX First North, and the
U.S. 144A sector. The company offers trading across multiple asset classes
including equities, derivatives, debt, commodities, structured products and
exchange-traded funds. NASDAQ OMX 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 exchanges in
Helsinki, Copenhagen, Stockholm, Iceland, Tallinn, Riga, and Vilnius. For more
information about NASDAQ OMX, visit http://www.nasdaqomx.com. Please follow
NASDAQ OMX on Facebook (http://www.facebook.com/nasdaqomx) and Twitter
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Cautionary Note Regarding Forward-Looking Statements 
The matters described herein contain forward-looking statements that are made
under the Safe Harbor provisions of the Private Securities Litigation Reform
Act of 1995. These statements include, but are not limited to, statements about
NASDAQ OMX's products and offerings. We caution that these statements are not
guarantees of future performance. Actual results may differ materially from
those expressed or implied in the forward-looking statements. Forward-looking
statements involve a number of risks, uncertainties or other factors beyond
NASDAQ OMX's control. These factors include, but are not limited to factors
detailed in NASDAQ OMX's annual report on Form 10-K, and periodic reports filed
with the U.S. Securities and Exchange Commission. We undertake no obligation to
release any revisions to any forward-looking statements. 

- # -

Media Contacts:  
Teresa Wincrantz
+46 8 405 63 26
teresa.wincrantz@nasdaqomx.com

Attachments

2010-12-03_omxo20.pdf