UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 14A
Proxy Statement Pursuant to Section 14(a) of
the Securities Exchange Act of 1934 (Amendment No. )
Filed by the Registrant x | |||||
Filed by a Party other than the Registrant o | |||||
| Check the appropriate box: | |||||
| o | Preliminary Proxy Statement | ||||
| o | Confidential, for Use of the Commission Only (as permitted by Rule 14a‑6(e)(2)) | ||||
| o | Definitive Proxy Statement | ||||
| x | Definitive Additional Materials | ||||
| o | Soliciting Material under §240.14a‑12 | ||||
| United Therapeutics Corporation | ||||||||
| (Name of Registrant as Specified In Its Charter) | ||||||||
| (Name of Person(s) Filing Proxy Statement, if other than the Registrant) | ||||||||
| Payment of Filing Fee (Check the appropriate box): | ||||||||
| x | No fee required. | |||||||
| o | Fee paid previously with preliminary materials. | |||||||
| o | Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a6(i)(1) and 0-11. | |||||||
