OMX STOCK EXCHANGE RELEASE 25.1.2006 Press release, January 25, 2007 Invitation to press and analyst briefing Press representatives and analysts are invited to a briefing held by OMX on Thursday, February 1, 2007, in conjunction with the presentation of OMX's year- end statement 2006. The report is scheduled for publication at 8:00 a.m. CET on the same date. Time of briefing: 11:00 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. A light lunch 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 February 1. Please register not later than 4:00 p.m. CET on January 31, 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. Name .................Telephone............... Company ................................. About OMX | OMX is a leading expert in the exchange industry. Through the Nordic Exchange, OMX offers access to approximately 80 percent of the Nordic and Baltic securities market. The Nordic Exchange is a term used for marketing purposes and is not a legal entity. It describes the common offering from the Helsinki Stock Exchange, Copenhagen Stock Exchange, Stockholm Stock Exchange, Iceland Stock Exchange, Tallinn Stock Exchange, Riga Stock Exchange and Vilnius Stock Exchange. OMX integrated technology solutions cross the transaction chain enabling efficient securities transactions for over 60 exchange organizations in more than 50 countries. OMX is a Nordic Large Cap company in the Financial sector on the OMX Nordic Exchange. For more information, please visit www.omxgroup.com.