NASDAQ OMX 26th Investor Program
June 21, 2011

Date: Tuesday, June 21, 2011 Time: 8:00 a.m. PT (11:00 a.m. ET) Location: The Radisson Mayfair Hotel, London Presentation by: Brian Beattie, Chief Financial Officer

Webcast
Audio Presentation
8:00 a.m. PT (11:00 a.m. ET)

The replay will be available at the same site approximately 90 minutes following the conclusion of the live event. To access this broadcast, you will need either Windows Media or Real Player.