144 0001605729 XXXXXXXX LIVE 0001082554 UNITED THERAPEUTICS CORPORATION 000-26301 1000 SPRING STREET SILVER SPRING MD 20910 (301) 608-9292 JUDY OLIAN Director Common Morgan Stanley Smith Barney LLC Executive Financial Services

1 New York Plaza 8th Floor New York NY 10004

1750 721840.00 44644519 11/11/2024 NASDAQ Common 07/07/2023 Restricted Stock Issuer N 1750 07/07/2023 Not Applicable N JUDY OLIAN

1000 SPRING STREET SILVER SPRING MD 20910

Common 11/11/2024 1750 721840.00 JUDY OLIAN

1000 SPRING STREET SILVER SPRING MD 20910

Common 09/17/2024 2300 812406.00 Sales that were executed on November 11, 2024 are being reported on this Form 144 filed on November 12, 2024 given the EDGAR system was not accepting filings November 11, 2024 in observance of the federal holiday. 11/12/2024 /s/ Judy Olian