NASDAQ to Host Industry Panel on the State of the Worlds AIDS Epidemic

Panel to Take Place On Dec. 1st World AIDS Day From NASDAQ MarketSite Followed by a Closing Bell Ceremony


ADVISORY, Nov. 20, 2006 (PRIMEZONE) --



 What:      The NASDAQ Stock Market will host an industry panel
            luncheon and discussion focused on new research in the
            fight against Acquired Immunodeficiency Syndrome (AIDS).

            The panel will include industry experts and executives
            from NASDAQ-listed Biotechnology companies that will
            cover an array of industry topics ranging from prevention
            and viral resistance, to quality of life treatments.

            Following the panel discussion, there will be a NASDAQ
            Closing Bell Ceremony in honor of World AIDS Day with
            our panel members and NASDAQ representatives.

 Who:       Moderator:
            ---------
            -- Emilio A. Emini, Ph.D. Executive Vice President,
            Vaccine Research and Development for Wyeth
            Pharmaceuticals

            Panelists:
            ---------
            -- Geoff Allan, Chief Executive Officer, President and
            Chief Executive Officer of Insmed Incorporated
            (Nasdaq:INSM)

            -- Paul J. Maddon, M.D., Ph.D., Founder, Chief Executive
            Officer and Chief Science Officer, Progenics
            Pharmaceuticals, Inc. (Nasdaq:PGNX)

            -- Douglas A. Michels, President & Chief Executive
            Officer at OraSure Technologies, Inc. (Nasdaq:OSUR)

            -- George Usher, Chairman, President and Chief Executive
            Officer, Polydex Pharmaceuticals Limited (Nasdaq:POLXF).

 When:      Friday, December 1st, 2006
            1:30 p.m. - 2:00 p.m.  - Lunch
            2:00 p.m. - 3:30 p.m.  - Panel Discussion
            3:30 p.m. - 4:00 p.m.  - NASDAQ Closing Bell

            Reporters, analysts, and other industry members are welcome 
            to attend.

 Where:     NASDAQ MarketSite
            4 Times Square (Corner of 43rd and Broadway)
            New York, NY

 Contacts:  Silvia Davi
            646-441-5014
            silvia.davi@nasdaq.com

            Jolene Libretto
            646-441-5220
            Jolene.libretto@nasdaq.com

 RSVP:      Interested parties should RSVP to Jolene Libretto
            Jolene.libretto@nasdaq.com

NASDAQ is the largest U.S. electronic stock market. With approximately 3,200 companies, it lists more companies and, on average, trades more shares per day than any other U.S. market. It is home to companies that are leaders across all areas of business including technology, retail, communications, financial services, transportation, media and biotechnology. NASDAQ is the primary market for trading NASDAQ-listed stocks. For more information about NASDAQ, visit the NASDAQ Web site at http://www.nasdaq.com or the NASDAQ Newsroom at http://www.nasdaq.com/newsroom/ .