This Agreement shall inure to the benefit of and be binding upon SemGroup and its successors and assigns. SemGroup will require any successor (whether direct or indirect, by purchase, merger, consolidation or otherwise) to all or substantially all of the business or assets of SemGroup (or the Employer during any Post-Change Period) to assume expressly and agree to perform this Agreement in the same manner and to the same extent that SemGroup (or, if applicable, the Employer) would be required to perform it if no such succession had taken place. Any successor to the business or assets of SemGroup (or any Employer) which assumes or agrees to perform this Agreement by operation of law, contract, or otherwise shall be jointly and severally liable with SemGroup (or the Employer) under this Agreement as if such successor were SemGroup (or the Employer). If Executive’s employment is transferred from SemGroup to a Subsidiary, or from a Subsidiary to SemGroup or another Subsidiary, the rights and obligations of the Employer (determined prior to such transfer) shall automatically become the rights and obligations of the Employer (determined immediately following such transfer), without requiring the consent of Executive.