OMX calls Extraordinary General Meeting

The Board of Directors of OMX has today decided to call an Extraordinary General Meeting of shareholder to take place on August 19, 2005 at 12.00 CET at the OMX office on Tullvaktsvägen 15 in Stockholm, Sweden. The purpose of the Extraordinary General Meeting is to elect a new member to the Board of Directors of OMX, to replace Henrik Normann who has resigned from the Board of Directors. As communicated in a press release dated June 1, 2005, OMX’s Nominating Committee proposes to the shareholders that Hans Munk Nielsen be elected to serve until the 2006 Annual General Meeting is held. More information about Hans Munk Nielsen can also be found in that press release. For more information, please contact: Olof Stenhammar, Chairman of the Board of Directors +46 8 405 66 42 Anna Rasin, Vice President, Marketing & Communications, OMX +46 8 405 66 12