PRESS RELEASE

SILVER SPRING, Md. and RESEARCH TRIANGLE PARK, N.C., Feb. 25, 2015 /PRNewswire/ -- United Therapeutics Corporation (NASDAQ: UTHR) announced today that Martine Rothblatt, Ph.D., Chairman and Co-Chief Executive Officer of United Therapeutics, will provide an overview and update on the company's business at the Cowen and Company 35^th Annual Healthcare Conference in Boston, Massachusetts.

The presentation and the immediately following Q&A breakout session will take place on Tuesday, March 3, 2015, at 8:00 AM Eastern Standard Time, and can be accessed via a live webcast on the United Therapeutics website at http://www.unither.com under the "Investor" tab in the "Events and Presentations" section. An archived, recorded version of the presentation and the Q&A breakout session will be available within twenty-four hours after the Q&A breakout session ends and can be accessed at the same location for 90 days. [uthr-g]

About United Therapeutics

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 conditions.

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SOURCE United Therapeutics Corporation