Attached files

file filename
10-K - 10-K - UNITED THERAPEUTICS Corpa2196607z10-k.htm
EX-23.1 - EX-23.1 - UNITED THERAPEUTICS Corpa2196607zex-23_1.htm
EX-31.1 - EX-31.1 - UNITED THERAPEUTICS Corpa2196607zex-31_1.htm
EX-32.2 - EX-32.2 - UNITED THERAPEUTICS Corpa2196607zex-32_2.htm
EX-31.2 - EX-31.2 - UNITED THERAPEUTICS Corpa2196607zex-31_2.htm
EX-32.1 - EX-32.1 - UNITED THERAPEUTICS Corpa2196607zex-32_1.htm
EX-12.1 - EX-12.1 - UNITED THERAPEUTICS Corpa2196607zex-12_1.htm
EX-10.47 - EX-10.47 - UNITED THERAPEUTICS Corpa2196607zex-10_47.htm
EX-10.46 - EX-10.46 - UNITED THERAPEUTICS Corpa2196607zex-10_46.htm
EX-10.48 - EX-10.48 - UNITED THERAPEUTICS Corpa2196607zex-10_48.htm

Exhibit 21

SUBSIDIARIES OF THE REGISTRANT

Lung Rx, LLC, a Delaware Corporation
Unither Telmed, Ltd, a Delaware Corporation
Unither Pharmaceuticals, LLC, a Delaware Corporation
United Therapeutics Europe, Ltd., a United Kingdom Company
Unither Therapeutik GmbH, a German Company
Unither Pharma, LLC, a Delaware Corporation
Medicomp, Inc., a Delaware Corporation
Unither Neurosciences, Inc., a Delaware Corporation
Unither.com, Inc., a Delaware Corporation
LungRx Limited, a United Kingdom Company
Unither Biotech Inc., a Canadian Company
Unither Virology, LLC, a Delaware Corporation