NASDAQ OMX Group (NDAQ)

TO BE HELD ON SEPTEMBER 14, 2005

This proxy statement and the accompanying proxy card are being furnished to the holders (the “Holders”) of the voting securities of The Nasdaq Stock Market, Inc., a Delaware corporation, in connection with the solicitation of proxies by our Board of Directors (the “Board of Directors” or the “Nasdaq Board”) for use in voting at the special meeting of stockholders to be held at the time and place and for the purposes set forth in the accompanying Notice of Special Meeting, and any and all adjournments or postponements to this meeting. This proxy statement and the accompanying proxy card are first being mailed or delivered to the Holders on or about August 22, 2005.

TO BE HELD ON MAY 25, 2005

This proxy statement and the accompanying proxy card are being furnished to the holders (the “Holders”) of the voting securities of The Nasdaq Stock Market, Inc., a Delaware corporation (“Nasdaq”), in connection with the solicitation of proxies by the Board of Directors of Nasdaq (the “Board of Directors” or the “Nasdaq Board”) for use in voting at the annual meeting of stockholders to be held at the time and place and for the purposes set forth in the accompanying Notice of Annual Meeting, and any and all adjournments or postponements to this meeting. This proxy statement and the accompanying proxy card are first being mailed or delivered to the Holders on or about May 2, 2005.