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This Form is NOT intended to contact United Therapeutics Corporation’s Medical Information Department or to report suspected Adverse Events. In the event of either, please use the contact information below.

Medical Information: Call 1-877-522-2950 or send requests directly to: DrugInformation@unither.com. Adverse Events: To report a suspected adverse reaction (ADR) to United Therapeutics, please send ADR information to DrugSafety@unither.com, or by faxing the ADR information to 1-919-313-1297, or to report ADRs to the FDA, ADR information can be submitted at 1-800-FDA-1088 or www.fda.gov/medwatch.