Invitation to press and analyst briefing

Press representatives and analysts are invited to a briefing held by OMX on Wednesday, July 18, 2007, in conjunction with the presentation of OMX interim report for January - June 2007. The report is scheduled for publication at 8:00 a.m. CET on the same date.

Time of briefing: 10:00 a.m. CET
Venue: OMX’s premises at Tullvaktsvägen 15, Stockholm

The report will be presented by President and CEO Magnus Böcker and CFO Kristina Schauman. Coffee will be served following the presentation.

The press and analysts briefing will be broadcast live at www.omxgroup.com. The OMX website will also include presentation material for downloading.

If you are unable to attend in person, it is also possible to participate in the presentation via teleconference on the following numbers: +46 (0) 8 505 202 70 (Sweden), +44 (0) 208 817 9301 (UK), +1 718 354 1226 (USA).

A copy of the webcast will be available on www.omxgroup.com from July 18.

Please register not later than 4:00 p.m. CET on July 17, 2007 by either (1) faxing this form to +46 (0)8-405 60 01, (2) sending an email to pia.grimberg@omxgroup.com or (3) contacting Pia Grimberg at +46 (0)8- 405 66 09.

____ Yes, I will attend.

____ No, I am unable to attend.

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