Resolution Passed At OM's Extraordinary General Meeting

In connection with OM's offer to the shareholders of the London Stock Exchange (LSE), the Board was today given the authorisation to issue new shares by a resolution passed at the OM Extraordinary General Meeting.

For further information and comments, please contact:

Jakob Håkanson, VP Investor Relations +46 8 405 60 42

Anna Eriksson, VP Corporate Communications +46 8 405 66 12

The Directors of OM accept responsibility for the information contained in this announcement and, to the best of their knowledge and belief (having taken all reasonable care to ensure that such is the case), the information contained in this announcement is in accordance with the facts and does not omit anything likely to affect the import of such information.

Lazard Brothers & Co., Limited ("Lazard") and Enskilda Securities AB ("Enskilda Securities"), which are regulated in the United Kingdom by The Securities and Futures Authority Limited, are acting for OM and no one else in connection with OM's offer for London Stock Exchange plc and will not be responsible to anyone other than OM for providing the protections afforded to customers of Lazard and Enskilda Securities or for giving advice in relation to the Increased Offer.

Lazard has approved this announcement solely for the purposes of Section 57 of the Financial Services Act 1986.