Investor Relations

Contact Us

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United Therapeutics

Telephone: 301-608-9292
Email: ir@unither.com

To contact our Transfer Agent:

Mailing address:
Computershare
P.O. Box 30170
College Station, TX 77842-3170

Overnight correspondence:
Computershare
211 Quality Circle, Suite 210
College Station, TX 77845
Website: www.computershare.com/investor
Tel: 1 (201) 680-6578
Toll Free: (800) 524-4458