Type	Name	Date
Credit agreement	First Amendment to Credit Agreement, by and among United Therapeutics Corporation, certain of its subsidiaries party thereto, as guarantors, the lenders referred to therein, and Wells Fargo Bank, National Association, as administrative agent and as a swingline lender	12/02/2020
Credit agreement	Second Amendment to Credit Agreement, by and among United Therapeutics Corporation, certain of its subsidiaries party thereto, as guarantors, the lenders referred to therein, and Wells Fargo Bank, National Association, as administrative agent and as a swingline lender	12/02/2020
Credit agreement	Credit Agreement, among United Therapeutics Corporation, certain of its subsidiaries party thereto, as guarantors, the lenders referred to therein, and Wells Fargo Bank, National Association, as administrative agent and as a swingline lender	06/28/2018
Credit agreement	Credit Agreement, among United Therapeutics Corporation, certain of its subsidiaries party thereto, as guarantors, the lenders referred to therein, and Wells Fargo Bank, National Association, as administrative agent and as a swingline lender	02/01/2016
Credit agreement	Credit Agreement, by and among the Company, the lenders party thereto from time to time, Wells Fargo Bank, National Association, as the Administrative Agent, and a subsidiary of the Company, as guarantor	09/27/2013
Indenture	Indenture, between United Therapeutics Corp. and The Bank of New York Mellon Trust Company, N.A., as trustee	10/17/2011
Indenture	Indenture, between United Therapeutics Corp. and The Bank of New York Mellon Trust Company, N.A., as trustee	10/17/2011

Type	Name	Date
Equity incentive plans	Amended and Restated United Therapeutics Corporation 2015 Stock Incentive Plan	06/28/2018
Employment agreement	Employment Agreement, between the Company and Michael Benkowitz	04/28/2016
Equity incentive plans	United Therapeutics Corporation 2015 Stock Incentive Plan	06/29/2015