United Therapeutics (UTHR) DEFA14A Additional proxy soliciting materials

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 ☐ Filed by a Party other than the Registrant

CHECK THE APPROPRIATE BOX:
☐	Preliminary Proxy Statement
☐	Confidential, For Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
☐	Definitive Proxy Statement
☑	Definitive Additional Materials
☐	Soliciting Material Under Rule 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)

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☐	Check box if any part of the fee is offset as provided by Exchange Act Rule 0-11(a)(2) and identify the filing for which the offsetting fee was paid previously. Identify the previous filing by registration statement number, or the form or schedule and the date of its filing.
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UNITED THERAPEUTICS CORPORATION 1735 CONNECTICUT AVENUE, NW WASHINGTON, DC 20009	Your Vote Counts! UNITED THERAPEUTICS CORPORATION Special Meeting of Shareholders Vote by September 29, 2021 11:59 PM ET
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You invested in UNITED THERAPEUTICS CORPORATION and it’s time to vote!
You have the right to vote on the proposal being presented at the Special Meeting. THIS IS AN IMPORTANT NOTICE REGARDING THE AVAILABILITY OF PROXY MATERIAL FOR THE SHAREHOLDER MEETING TO BE HELD ON SEPTEMBER 30, 2021.

Get informed before you vote
View the Proxy Statement and the form of proxy online OR you can receive a free paper or email copy of the proxy material(s) by requesting prior to September 16, 2021. If you would like to request a copy of the proxy material(s) for this and/or future shareholder meetings, you may (1) visit www.ProxyVote.com, (2) call 1-800-579-1639 or (3) send an email to sendmaterial@proxyvote.com. If sending an email, please include your control number (indicated below) in the subject line. Unless requested, you will not otherwise receive a paper or email copy.

	For complete information and to vote, visit www.ProxyVote.com
	Control #

Smartphone users Point your camera here and vote without entering a control number		Vote Virtually at the Meeting* Date: September 30, 2021 Time: 10:30 AM EDT
	Location: Virtual Special Meeting of Shareholders conducted exclusively via live audio webcast at: www.virtualshareholdermeeting.com/UTHR2021SM

* Please check the proxy materials for any special requirements for attending the virtual meeting.

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Vote at www.ProxyVote.com

THIS IS NOT A VOTABLE BALLOT

You cannot use this notice to vote these shares. This communication presents only an overview of the more complete proxy materials that are available to you on the Internet. We encourage you to access and review all of the important information contained in the proxy materials before voting. Please follow the instructions on the reverse side to vote on this important matter.

Voting Items		Board Recommends
1.	Approval of an amendment to our Restated Certificate of Incorporation to become a public benefit corporation.		For

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