PRESS RELEASE

SILVER SPRING, Md. and RESEARCH TRIANGLE PARK, N.C., July 21, 2016 /PRNewswire/ -- United Therapeutics Corporation (NASDAQ: UTHR) announced today that it will release its second quarter 2016 financial results before the market opens on Thursday, July 28, 2016.

United Therapeutics will host a half-hour teleconference on Thursday, July 28, 2016, at 9:00 a.m. Eastern Time. The teleconference is accessible by dialing 1-877-351-5881, with international callers dialing 1-970-315-0533. A rebroadcast of the teleconference will be available for one week and can be accessed by dialing 1-855-859-2056, with international callers dialing 1-404-537-3406, and using access code: 40900672.

This teleconference is also being webcast and can be accessed via United Therapeutics' website at http://ir.unither.com/events.cfm. [uthr-g]

United Therapeutics Corporation is a biotechnology company focused on the development and commercialization of innovative products to address the unmet medical needs of patients with chronic and life-threatening diseases.

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SOURCE United Therapeutics Corporation