The new portfolio of the OMX Stockholm Benchmark index will become effective on
June 1, 2009 

Stockholm, May 11, 2009 - The NASDAQ OMX Group, Inc. (NASDAQ:NDAQ) announces    
today the results of the semi-annual review of the OMX Stockholm Benchmark      
index, (NASDAQ OMX Stockholm: OMXSB), which will become effective with the      
market open on Monday, June 1, 2009                                             

Four new members will be added to the index: Loomis AB (LOOM B), Net            
Entertainment NE AB (NET B), PA Resources (PAR SEK) and Transcom WorldWide S.A  
(TWW SDB B).                                                                    

As a result of the evaluation, the following three shares will be removed from  
the OMXSB index: Cybercom Group Europe (CYBE), Nokia (NOKI SEK) and Rederi AB   
Transatlantic (RABT B).                                                         

“The OMXSB index, a benchmark for the Swedish equity market, is a free          
float-capitalization index designed to act as a transparent and liquid benchmark
with low transaction costs for the investors. It serves as underlying for ETFs, 
futures as well as a benchmark for mutual funds, says Magdalena Hartman, Vice   
President Global Financial Products.                                            

OMXSB is well diversified and the major sectors are financials, industrials,    
consumer discretionary and information technology. With 81 constituents in OMXSB
compared with the 291 in the All-share index, OMXSB represents 71% of the       
All-share market capitalization and has a close correlation of 99,9%. The OMXSB 
index is evaluated on a semi-annual basis in May and November, and the new index
portfolio becomes effective on the first trading day in June and December       
respectively.                                                                   

OMX Stockholm Benchmark constituents after review effective June 1, 2009:       
--------------------------------------------------------------------------------
| ABB Ltd               | Husqvarna AB ser. B       | Sandvik AB               |
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| Acando AB ser. B      | Industrial & Financial    | SAS AB                   |
|                       | Systems AB ser. B         |                          |
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| ÅF AB ser. B          | Intrum Justitia AB        | Svenska Cellulosa AB SCA |
|                       |                           | ser. A                   |
--------------------------------------------------------------------------------
| Alfa Laval AB         | Industrivärden, AB ser. A | Svenska Cellulosa AB SCA |
|                       |                           | ser. B                   |
--------------------------------------------------------------------------------
| Autoliv Inc. SDB      | Industrivärden, AB ser. C | SCANIA AB ser. B         |
--------------------------------------------------------------------------------
| Addnode AB ser. B     | Investor AB ser. A        | Skandinaviska Enskilda   |
|                       |                           | Banken ser. A            |
--------------------------------------------------------------------------------
| ASSA ABLOY AB ser. B  | Investor AB ser. B        | Securitas AB ser. B      |
--------------------------------------------------------------------------------
| Atlas Copco AB ser. A | JM AB                     | Svenska Handelsbanken    |
|                       |                           | ser. A                   |
--------------------------------------------------------------------------------
| Atlas Copco AB ser. B | Kinnevik, Investment AB   | Skanska AB ser. B        |
|                       | ser. B                    |                          |
--------------------------------------------------------------------------------
| Axfood AB             | Kungsleden AB             | SKF, AB ser. B           |
--------------------------------------------------------------------------------
| AstraZeneca PLC       | Know IT AB                | SkiStar AB ser. B        |
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| Betsson AB ser. B     | LBI International AB      | SSAB Svenskt Stål AB     |
|                       |                           | ser. A                   |
--------------------------------------------------------------------------------
| Boliden AB            | Atrium Ljungberg AB ser.  | SSAB Svenskt Stål AB     |
|                       | B                         | ser. B                   |
--------------------------------------------------------------------------------
| Castellum AB          | Loomis AB ser. B          | Swedbank AB ser A        |
--------------------------------------------------------------------------------
| Connecta AB           | Lundbergföretagen AB, L E | Swedish Match AB         |
|                       | ser. B                    |                          |
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| Elekta AB ser. B      | Lundin Petroleum AB       | Tele2 AB ser. B          |
--------------------------------------------------------------------------------
| Electrolux, AB ser. B | Meda AB ser. A            | Tieto Corporation        |
--------------------------------------------------------------------------------
| Enea AB               | Millicom International    | TeliaSonera AB           |
|                       | Cellular S.A. SDB         |                          |
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| Eniro AB              | Modern Times Group MTG AB | TradeDoubler AB          |
|                       | ser. B                    |                          |
--------------------------------------------------------------------------------
| Ericsson, Telefonab.  | Nordea Bank AB            | Tricorona AB             |
| L M ser. B            |                           |                          |
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| Fabege AB             | Net Entertainment NE AB   | Transcom WorldWide S.A   |
|                       | ser. B                    | SDB ser. B               |
--------------------------------------------------------------------------------
| Getinge AB ser. B     | Niscayah Group AB ser. B  | Unibet Group plc         |
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| Hakon Invest AB       | Orc Software AB           | Wallenstam Byggnads AB., |
|                       |                           | Lennart ser. B           |
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| HiQ International AB  | Oriflame Cosmetics S.A,   | Wihlborgs Fastigheter AB |
|                       | SDB                       |                          |
--------------------------------------------------------------------------------
| Hennes & Mauritz AB,  | PA Resources              | Volvo, AB ser. A         |
| H & M ser. B          |                           |                          |
--------------------------------------------------------------------------------
| Holmen AB ser. B      | Ratos AB ser. B           | Volvo, AB ser. B         |
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| Hufvudstaden AB ser.  | Rezidor Hotel Group AB    | West Siberian Resources  |
| A                     |                           | Ltd. SDB                 |
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About NASDAQ OMX Index Products                                                 
NASDAQ OMX is a global leader in creating and licensing strategy indexes and is 
home to the most widely watched indexes in the world. As a premier, full-service
provider, NASDAQ OMX is dedicated to designing powerful indexes that are in sync
with a continually changing market environment. Utilizing the expanded coverage 
of our global company, NASDAQ OMX has nearly 1,500 diverse equity, commodity and
fixed-income indexes in the U.S., Europe, and throughout world. In addition, our
calculation, licensing and marketing support provide the tools to measure and   
replicate global markets. The NASDAQ OMX Index Group range of services covers   
the entire business process from index design to calculation and dissemination. 
For more information about NASDAQ OMX indexes, visit                            
https://indexes.nasdaqomx.com/.                                                 
For more information about the OMX Stockholm Benchmark Index, including detailed
eligibility criteria, visit https://indexes.nasdaqomx.com/.                     

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 over 3,800 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.                               

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. There can be no        
assurance that the FSA will give the NASDAQ OMX applicant the authorization and 
permissions which it seeks.                                                     
                                     - # -                                      
CONTACTS:                                                                       
The NASDAQ OMX Group, Inc.                                                      

Ellen-Margrethe Soelberg                                                        
+45 33 77 04 30                                                                 
ellen-margrethe.soelberg@nasdaqomx.com