SEC Form 4

FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* Kelso GP VIII, LLC (Last) (First) (Middle) C/O KELSO & COMPANY 320 PARK AVENUE, 24TH FLOOR (Street) NEW YORK NY 10022 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol Tallgrass Energy GP, LP [ TEGP ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)
	3. Date of Earliest Transaction (Month/Day/Year) 02/07/2018
	4. If Amendment, Date of Original Filed (Month/Day/Year)	6. Individual or Joint/Group Filing (Check Applicable Line) Form filed by One Reporting Person X Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class B shares	02/07/2018		J(1)(2)(3)		11,646,401	A	(2)(3)	46,727,603	I(4)(5)(6)(7)(8)	By partnership

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Units in Tallgrass Equity, LLC	(1)	02/07/2018		J(1)(2)(3)(9)		11,646,401(9)		(1)	(1)	Class A shares	11,646,401	(2)(3)	46,727,603	I(5)(6)(7)(8)(10)	By partnership

1. Name and Address of Reporting Person* Kelso GP VIII, LLC (Last) (First) (Middle) C/O KELSO & COMPANY 320 PARK AVENUE, 24TH FLOOR (Street) NEW YORK NY 10022 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* KIA VIII (Rubicon) GP, L.P. (Last) (First) (Middle) C/O KELSO & COMPANY 320 PARK AVENUE, 24TH FLOOR (Street) NEW YORK NY 10022 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* KIA VIII (Rubicon), L.P. (Last) (First) (Middle) C/O KELSO & COMPANY 320 PARK AVENUE, 24TH FLOOR (Street) NEW YORK NY 10022 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* KEP VI AIV (Rubicon), LLC (Last) (First) (Middle) C/O KELSO & COMPANY 320 PARK AVENUE, 24TH FLOOR (Street) NEW YORK NY 10022 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* NICKELL FRANK T (Last) (First) (Middle) C/O KELSO & COMPANY 320 PARK AVENUE, 24TH FLOOR (Street) NEW YORK NY 10022 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* WALL THOMAS R IV (Last) (First) (Middle) C/O KELSO & COMPANY 320 PARK AVENUE, 24TH FLOOR (Street) NEW YORK NY 10022 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* MATELICH GEORGE E (Last) (First) (Middle) C/O KELSO & COMPANY 320 PARK AVENUE, 24TH FLOOR (Street) NEW YORK NY 10022 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* GOLDBERG MICHAEL B (Last) (First) (Middle) C/O KELSO & COMPANY 320 PARK AVENUE, 24TH FLOOR (Street) NEW YORK NY 10022 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* WAHRHAFTIG DAVID I (Last) (First) (Middle) C/O KELSO & COMPANY 320 PARK AVENUE, 24TH FLOOR (Street) NEW YORK NY 10022 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* BYNUM FRANK K (Last) (First) (Middle) C/O KELSO & COMPANY 320 PARK AVENUE, 24TH FLOOR (Street) NEW YORK NY 10022 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

Explanation of Responses:

1. 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.

2. On February 7, 2018, the Issuer, Tallgrass Development, LP, a Delaware limited partnership ("Development"), Tallgrass Equity, Tallgrass Development Holdings, LLC, a Delaware limited liability company and wholly owned subsidiary of TE ("Merger Sub"), and, for certain limited purposes, Tallgrass Energy Holdings, LLC, a Delaware limited liability company ("Holdings") entered into a definitive Agreement and Plan of Merger (the "Merger Agreement"), pursuant to which Development merged with and into Merger Sub, with Merger Sub remaining as the surviving company (the "Merger"), in exchange for (i) 27,554,785 Units, and (ii) 27,554,785 Class B Shares (such Units and Class B Shares, together, the "Merger Consideration").

3. The Merger Consideration was paid to the limited partners of Development upon the closing of the Merger. Pursuant to the terms of the Merger Agreement, Merger Consideration of 9,919,280 Units and Class B Shares were issued to KIA VIII and 1,727,121 Units and Class B Shares were issued to KEP VI AIV, in their respective capacities as limited partners of Development.

4. Consists of 39,798,058 Class B shares owned of record by KIA VIII and 6,929,545 Class B shares owned of record by KEP VI AIV following the transactions reported in this line of this Form 4.

5. 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.

6. 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.

7. 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.

8. 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.

9. The Units, collectively with the Class B shares, constitute the derivative securities described herein.

10. Consists of 39,798,058 Units owned of record by KIA VIII and 6,929,545 Units owned of record by KEP VI AIV following the transactions reported in this line of this Form 4.

Remarks:

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.

	Kelso GP VIII, LLC, By: /s/ Rosanna T. Leone, Attorney-in-Fact	02/09/2018
	KIA VIII (Rubicon) GP, L.P., By: Kelso GP VIII, LLC, its General Partner; By: /s/ Rosanna T. Leone, Attorney-in-Fact	02/09/2018
	KIA VIII (Rubicon), L.P., By: KIA VIII (Rubicon) GP, L.P., its General Partner; By: Kelso GP VIII, LLC, its General Partner; By: /s/ Rosanna T. Leone, Attorney-in-Fact	02/09/2018
	KEP VI AIV (Rubicon), LLC, By: /s/ Rosanna T. Leone, Attorney-in-Fact	02/09/2018
	By: /s/ Rosanna T. Leone, Attorney-in-Fact for Frank T. Nickell	02/09/2018
	By: /s/ Rosanna T. Leone, Attorney-in-Fact for Thomas R. Wall, IV	02/09/2018
	By: /s/ Rosanna T. Leone, Attorney-in-Fact for George E. Matelich	02/09/2018
	By: /s/ Rosanna T. Leone, Attorney-in-Fact for Michael B. Goldberg	02/09/2018
	By: /s/ Rosanna T. Leone, Attorney-in-Fact for David I. Wahrhaftig	02/09/2018
	By: /s/ Rosanna T. Leone, Attorney-in-Fact for Frank K. Bynum, Jr.	02/09/2018
	** Signature of Reporting Person	Date
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* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
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