0001193125-19-255287 Sample Contracts

Execution Version September 25, 2019 Blackstone Infrastructure Advisors L.L.C. New York, NY 10154

Blackstone Holdings III L.P. • September 26th, 2019 • Natural gas transmission • Delaware

• Company
  Blackstone Holdings III L.P.
• Filed
  September 26th, 2019
• Industry
  Natural gas transmission
• Jurisdiction
  Delaware

Re: Standstill Agreement in Connection with the Proposal by Blackstone Infrastructure Partners to Acquire All Outstanding Publicly-Held Class A Shares of Tallgrass Energy, LP