SOURCE: Tower General Contractors

March 29, 2007 15:01 ET

Columbia Science Center to Break Ground April 12, 2007

NEW YORK, NY -- (MARKET WIRE) -- March 29, 2007 --

WHAT:   Groundbreaking Ceremony for Columbia Memorial Space Science
        & Learning Center, Downey, California

        A groundbreaking ceremony for the construction of the
        Columbia Memorial Space Science & Learning Center and the new
        Downey park on a 13-acre site.

        The Columbia Memorial Space Science & Learning Center is being
        built to honor the Columbia Space Shuttle Crew who gave their
        lives on February 1, 2003 in service to their country.

WHEN:   April 12, 2007; 4:30 PM PDT

WHERE:  12400 Clark Avenue, Downey, CA 90241

WHO:    Congresswoman Lucille Roybal-Allard - California's 34th
        District, who was responsible for the passage of a measure
        to name and fund the Space Science Learning Center in Downey

        Jonathan B. Clark M.D., M.P.H. - husband to Laurel Blair Salton
        Clark, M.D., NASA astronaut who died on the Space Shuttle
        Columbia. Dr. Clark is President of the Space Medicine
        Association.  He is board certified in Neurology and Aerospace
        Medicine and is a Fellow of the Aerospace Medical Association.
        He is also the Space Medicine Liaison, National Space Biomedical
        Research Institute at Baylor College of Medicine.

        Rick Trejo - Mayor of the City of Downey

        Nato Flores - President, Tower General Contractors, the
        construction company building the Center

        Alex Guerrero - EVP, Tower General Contractors

WHY:    The Center is also intended to serve as a tribute to the many
        people who have worked in the aviation and aerospace industry in
        Downey over seven decades.  The leaders of the Center have a
        major educational goal: to enhance space science knowledge and
        scientific literacy.  The Center is slated for completion on
        February 1, 2008, the fifth anniversary of the tragedy.
Interviews are available upon request!

Contact Information

    Lora Wong
    Adam Friedman Associates
    (212) 981-2529 x 22
    (917) 690-8697