OMX, delisting with effect from 5 May 2008. Last day of trading 2 May 2008


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|                                      |              Copenhagen, 3 April 2008 |
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OMX AB - delisting                                                              

OMX AB will be delisted from OMX Nordic Exchange Copenhagen with effect from 5  
May 2008.                                                                       

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| ISIN                      | Name                                             |
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| SE0000110165              | OMX                                              |
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Thus, the last day of trading is 2 May 2008.                                    

OMX AB is delisted due to the fact that NASDAQ OMX Group, Inc. has started the  
compulsory purchase of the outstanding minority shares in OMX AB in accordance  
with the Swedish Companies Act.                                                 


GENERAL INFORMATION                                                             

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| Name:                              | OMX AB                                  |
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| Listed capital (of SEK 2):         | 120,640,467 shares (SEK 241,280,934)    |
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| Constructed CBR NO:                | 00 00 06 20                             |
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| Short name:                        | OMX DKK                                 |
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| GICS:                              | 40201040                                |
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| Type:                              | 22                                      |
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For further information, please contact: Asta Jepsen, Surveillance, tel. +45 33 
93 33 66

Attachments

omx - sletning - uk.pdf
GlobeNewswire