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    united therapeutics
    Contact UTHR

    United Therapeutics
    Telephone: 301-608-9292

    To contact our
    Transfer Agent:

    Mailing address:
    Computershare
    P.O. Box 43006
    Providence, RI 02940-3006

    Courier delivery:
    Computershare
    150 Royall St., Suite 101
    Canton, MA 02021

    Website:
    www.computershare.com/investor


    Tel: 1 (201) 680-6578
    Toll Free: (800) 524-4458
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