X0306 4 2020-04-17 1 0001633651 Tallgrass Energy, LP TGE 0001586999 Cook Roy Nolan 4200 W. 115TH STREET, SUITE 350 LEAWOOD KS 66211 1 0 0 0 Class A Shares 2020-04-17 4 D 0 120165 22.45 D 3000 D Class A Shares 2020-04-21 4 D 0 3000 22.45 D 0 D The Reporting Person ceased to beneficially own the Class A shares representing limited partner interests ("Class A Shares") in the Issuer reported herein at the Effective Time (as defined below) of the merger (the "Merger") of Prairie Private Acquiror LP, a Delaware limited partnership ("Buyer"), with and into the Issuer, with the Issuer surviving the merger and continuing to exist as a Delaware limited partnership. The Merger was effected pursuant to the Agreement and Plan of Merger, dated as of December 16, 2019 (the "Merger Agreement"), by and among the Issuer, Tallgrass Energy GP, LLC, a Delaware limited liability company, Buyer and Prairie Merger Sub LLC, a Delaware limited liability company and wholly-owned subsidiary of Buyer ("Merger Sub"). The Merger closed and was effective at 7:02 a.m., Central Time, on April 17, 2020 (the "Effective Time"). (Continued from Footnote 1) At the Effective Time, each Class A Share held by the Reporting Person immediately prior to the Merger converted into the right to receive $22.45 per Class A Share in cash without any interest thereon. On April 17, 2020, as a result of the transaction described in Footnotes 1 and 2, 3,000 equity participation shares in the Issuer ("EPSs") held by the Reporting Person automatically vested. The vested EPSs were settled with the Reporting Person on April 21, 2020 in an amount of cash per EPS equal to $22.45, the price paid per Class A Share under the Merger Agreement, in accordance with the Tallgrass MLP GP, LLC Long-Term Incentive Plan and the award agreement governing such EPSs. /s/Christopher R. Jones, Attorney-in-Fact 2020-04-21