United Therapeutics Corporation Fourth Quarter 2023 Financial Update 2 INTRODUCTION Safe Harbor Statement All statements in this presentation are made as of February 21, 2024. We undertake no obligation to publicly update or revise these statements, whether as a result of new information, future events or otherwise. Statements included in this presentation that are not historical in nature are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-lo ...