MERGER PROPOSED—YOUR VOTE IS VERY IMPORTANT Dear Stockholder of SemGroup Corporation:Agreement and Plan of Merger • May 5th, 2020 • Delaware
Contract Type FiledMay 5th, 2020 JurisdictionOn September 15, 2019, SemGroup Corporation (“SemGroup”) entered into an Agreement and Plan of Merger (the “merger agreement”) with Energy Transfer LP (“Energy Transfer”) and Nautilus Merger Sub LLC, a wholly owned subsidiary of Energy Transfer (“Merger Sub”), pursuant to which Merger Sub will merge with and into SemGroup (the “merger”), with SemGroup surviving the merger as a direct wholly owned subsidiary of Energy Transfer.