Item 2.02. Results of Operations and Financial Condition.

On October 29, 2009, United Therapeutics Corporation (the "Company") issued a press release setting forth its earnings for the quarter ended September 30, 2009.

A copy of the press release is attached hereto as Exhibit 99.1.

Item 9.01. Exhibits

This information shall not be deemed to be "filed" for the purposes of
Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to liability under that section, nor shall it be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such filing.

(d) Exhibits

Exhibit No. Description of Exhibit

99.1 Press release dated October 29, 2009

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