X0306 4 2020-04-21 0 0001633651 Tallgrass Energy, LP TGE 0001538357 Buckley Guy G. C/O THE BLACKSTONE GROUP L.P. 345 PARK AVE NEW YORK NY 10154 1 0 0 0 Class A Shares 2020-04-21 4 D 0 3000 22.45 D 0 D On April 17, 2020, as a result of the consummation of 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, pursuant to that certain Agreement and Plan of Merger, dated as of December 16, 2019, 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, 3,000 equity participation shares in the Issuer ("EPSs") held by the Reporting Person automatically vested. (Continued from Footnote 1) 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