Blackstone Infrastructure Advisors L.L.C. New York, NY 10154 Attention: John G. Finley Email: john.finley@blackstone.com Ladies and Gentlemen:Purchase Agreement • March 13th, 2019 • Tallgrass Holdings, LLC • Natural gas transmission • Delaware
Contract Type FiledMarch 13th, 2019 Company Industry JurisdictionReference is made to that certain Purchase Agreement (“Purchase Agreement”), dated as of January 30, 2019, by and among Tallgrass Energy Holdings, LLC, a Delaware limited liability company (“Holdings”), the other sellers named therein (together with Holdings, each a “Seller” and collectively, the “Sellers”), Prairie GP Acquiror LLC, a Delaware limited liability company (“GP Acquiror”), Prairie ECI Acquiror LP, a Delaware limited partnership (“Up-C Acquiror 1”), Prairie VCOC Acquiror LP, a Delaware limited partnership (“Up-C Acquiror 2” and, together with Up-C Acquiror 1, “Up-C Acquirors”), and Prairie Non-ECI Acquiror LP, a Delaware limited partnership (“Class A Acquiror” and, together with GP Acquiror and Up-C Acquirors, each an “Acquiror” and collectively, the “Acquirors”), and David G. Dehaemers, Jr., John T. Raymond and Frank J. Loverro, in their respective capacities as Seller Representatives (each, a “Seller Representative” and collectively, the “Seller Representatives”). Each ca