X0306 4 2016-11-22 0 0001633651 Tallgrass Energy GP, LP TEGP 0001079290 BERNEY PHILIP E C/O KELSO AND COMPANY 320 PARK AVENUE, 24TH FLOOR NEW YORK NY 10022 0 0 1 0 0001323752 Connors James J II C/O KELSO AND COMPANY 320 PARK AVENUE, 24TH FLOOR NEW YORK NY 10022 0 0 1 0 0001421668 Moore Church M C/O KELSO AND COMPANY 320 PARK AVENUE, 24TH FLOOR NEW YORK NY 10022 0 0 1 0 0001405474 Collins Christopher L C/O KELSO AND COMPANY 320 PARK AVENUE, 24TH FLOOR NEW YORK NY 10022 0 0 1 0 0001574735 Alexander Anna Lynn C/O KELSO AND COMPANY 320 PARK AVENUE, 24TH FLOOR NEW YORK NY 10022 0 0 1 0 0001570938 Matlin Howard A. C/O KELSO AND COMPANY 320 PARK AVENUE, 24TH FLOOR NEW YORK NY 10022 0 0 1 0 0001600755 Kim John K C/O KELSO AND COMPANY 320 PARK AVENUE, 24TH FLOOR NEW YORK NY 10022 0 0 1 0 0001628154 Mannix Henry III C/O KELSO AND COMPANY 320 PARK AVENUE, 24TH FLOOR NEW YORK NY 10022 0 0 1 0 0001300363 Loverro Frank J C/O KELSO AND COMPANY 320 PARK AVENUE, 24TH FLOOR NEW YORK NY 10022 1 0 1 0 0001403550 OSBORNE STANLEY DE J C/O KELSO AND COMPANY 320 PARK AVENUE, 24TH FLOOR NEW YORK NY 10022 1 0 1 0 Class B shares 2016-11-22 4 X 0 5058497 0.00 D 35081202 I By partnership Class A shares 2016-11-22 4 X 0 5058497 A 5058497 I By partnership Class A shares 2016-11-22 4 S 0 5058497 21.846 D 0 I By partnership Units in Tallgrass Equity, LLC 2016-11-22 4 X 0 5058497 21.846 D Class A shares 5058497 35081202 I By partnership Pursuant to the First Amended and Restated Agreement of Limited Partnership of the Issuer dated May 12, 2015 (the "Partnership Agreement"), KIA VIII (Rubicon), L.P. ("KIA VIII") and KEP VI AIV (Rubicon), LLC ("KEP VI AIV") each have the right, at any time following the expiration of a lock-up period and from time to time, to immediately exchange (the "Exchange Right") Class B shares of the Issuer (the "Class B shares") and a corresponding number of Units of limited liability company interest in Tallgrass Equity, LLC ("Tallgrass Equity", and such Units, the "Units", and each Class B share and Unit so exchanged, together, an "Exchange Unit") for a like number of Class A shares of the Issuer (the "Class A shares"), not to exceed, in the aggregate, the total number of Exchange Units held by KIA VIII or KEP VI AIV, as applicable. As a result, the Reporting Persons may be deemed to beneficially own the Class A shares receivable upon election of the Exchange Right. On November 22, 2016, in connection with and immediately prior to the closing of the secondary offering of the Issuer on November 22, 2016, and the underwriter and the selling shareholders closing on the Option, KIA VIII and KEP VI AIV exercised their Exchange Right with respect to some of their Exchange Units, including KIA VIII and KEP VI AIV's respective pro rata shares of the Option based on KIA VIII and KEP VI AIV's respective ownership percentages of the outstanding Exchange Units, whereby the Issuer exchanged 4,308,339 Exchange Units held by KIA VIII and 750,158 Exchange Units held by KEP VI AIV on a one-for-one basis for a total of 5,058,497 Class A shares. Pursuant to an underwriting agreement entered into on November 17, 2016 by the underwriter and the selling shareholders (including KIA VIII and KEP VI AIV), in connection with the secondary offering of the Issuer, the underwriter has the option (the "Option") to purchase 1,350,000 additional Class A shares from the selling shareholders in the secondary offering of the Issuer. Consists of 29,878,778 Class B shares owned of record by KIA VIII and 5,202,424 Class B shares owned of record by KEP VI AIV following the transactions reported in this line of this Form 4. Kelso GP VIII, LLC ("GP VIII, LLC") is the general partner of KIA VIII (Rubicon) GP, L.P. ("GP VIII, L.P." and, together with GP VIII, LLC, the "Kelso GPs"). GP VIII, L.P. is the general partner of KIA VIII. GP VIII, LLC and GP VIII, L.P. could be deemed to share beneficial ownership of securities owned of record or deemed to be beneficially owned by KIA VIII. GP VIII, LLC and GP VIII, L.P. each disclaim beneficial ownership of all of the securities reported herein except to the extent of its respective pecuniary interest, if any, therein, and the inclusion of these securities in this report shall not be deemed to be an admission of beneficial ownership of all of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes. KIA VIII and KEP VI AIV, due to their common control, could be deemed to beneficially own each of the other's securities. KIA VIII and KEP VI AIV each disclaim beneficial ownership of all of the securities deemed to be beneficially owned by the other and the inclusion of these securities in this report shall not be deemed to be an admission of beneficial ownership of all of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes. The Kelso GPs and KEP VI AIV, due to their common control, could be deemed to beneficially own each of the other's securities. The Kelso GPs and KEP VI AIV each disclaim beneficial ownership of all of the securities owned of record or deemed to be beneficially owned by the other or owned of record by KIA VIII and the inclusion of these securities in this report shall not be deemed to be an admission of beneficial ownership of all of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes. Frank T. Nickell, Thomas R. Wall, IV, George E. Matelich, Michael B. Goldberg, David I. Wahrhaftig, Frank K. Bynum, Jr., Philip E. Berney, Frank J. Loverro, James J. Connors, II, Church M. Moore, Stanley de J. Osborne, Christopher L. Collins, A. Lynn Alexander, Howard A. Matlin, John K. Kim, Henry Mannix, III, Mathew S. Edgerton, and Stephen C. Dutton (the "Kelso Individuals") could be deemed to share beneficial ownership of securities owned of record by KIA VIII and KEP VI AIV or deemed to be beneficially owned by GP VIII, LLC or GP VIII, L.P., by virtue of their status as managing members of KEP VI AIV and of GP VIII, LLC. The Kelso Individuals each disclaim beneficial ownership of such securities, and this report shall not be deemed to be an admission that any of the Kelso Individuals is the beneficial owner of these securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes. Represents the gross proceeds per Class A share sold in the secondary offering of the Issuer less the underwriting discount. The Units, collectively with the Class B shares, constitute the derivative securities described herein. Consists of 29,878,778 Units owned of record by KIA VIII and 5,202,424 Units owned of record by KEP VI AIV following the transactions reported in this line of this Form 4. Because an electronically filed joint filing is limited to a maximum of ten reporting persons, this Form 4 is one of three filed today reporting on the same securities by the following joint filers: Kelso GP VIII, LLC; KIA VIII (Rubicon) GP, L.P.; KIA VIII (Rubicon), L.P.; KEP VI AIV (Rubicon), LLC; Frank T. Nickell, Thomas R. Wall, IV, George E. Matelich, Michael B. Goldberg, David I. Wahrhaftig, Frank K. Bynum, Jr., Philip E. Berney, Frank J. Loverro, James J. Connors, II, Church M. Moore, Stanley de J. Osborne, Christopher L. Collins, A. Lynn Alexander, Howard A. Matlin, John K. Kim, Henry Mannix, III, Matthew S. Edgerton and Stephen C. Dutton. By: /s/ Rosanna T. Leone, Attorney-in-Fact for Philip E. Berney 2016-11-23 By: /s/ Rosanna T. Leone, Attorney-in-Fact for James J. Connors, II 2016-11-23 By: /s/ Rosanna T. Leone, Attorney-in-Fact for Church M. Moore 2016-11-23 By: /s/ Rosanna T. Leone, Attorney-in-Fact for Christopher L. Collins 2016-11-23 By: /s/ Rosanna T. Leone, Attorney-in-Fact for A. Lynn Alexander 2016-11-23 By: /s/ Rosanna T. Leone, Attorney-in-Fact for Howard A. Matlin 2016-11-23 By: /s/ Rosanna T. Leone, Attorney-in-Fact for John K. Kim 2016-11-23 By: /s/ Rosanna T. Leone, Attorney-in-Fact for Henry Mannix, III 2016-11-23 By: /s/ Rosanna T. Leone, Attorney-in-Fact for Frank J. Loverro 2016-11-23 By: /s/ Rosanna T. Leone, Attorney-in-Fact for Stanley de J. Osborne 2016-11-23