SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person* TRANSCANADA CORP (Last) (First) (Middle) 450 - 1ST STREET S.W. (Street) CALGARY ALBERTA A0 T2P 5H1 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 07/01/2016	3. Issuer Name and Ticker or Trading Symbol Columbia Pipeline Partners LP [ CPPL ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) X Director X 10% Owner Officer (give title below) Other (specify below)	5. 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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Subordinated units (limited partner interests)	(2)	(2)	Common units (limited partner interests)	46,811,398	(2)	I	By its subsidiary(1)

1. Name and Address of Reporting Person* TRANSCANADA CORP (Last) (First) (Middle) 450 - 1ST STREET S.W. (Street) CALGARY ALBERTA A0 T2P 5H1 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer X Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* TransCanada PipeLine USA Ltd. (Last) (First) (Middle) 700 LOUISIANA STREET SUITE 700 (Street) HOUSTON TX 77002 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer X Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* TRANSCANADA PIPELINES LTD (Last) (First) (Middle) 450 -1ST STREET SW P O BOX 1000 STATION M (Street) CALGARY ALBERTA A0 T2P 5H1 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer X Director X 10% Owner Officer (give title below) Other (specify below)

Explanation of Responses:

1. This Form 3 is being filed jointly by TransCanada PipeLine USA Ltd. ("TransCanada USA"), TransCanada PipeLines Limited ("TPL") and TransCanada Corporation ("TransCanada"). The subordinated units are owned directly by Columbia Energy Group, a wholly owned subsidiary of Columbia Pipeline Group, Inc. ("CPG"). TransCanada USA wholly owns CPG; TPL wholly owns TransCanada USA; TransCanada wholly owns TPL. CPG became a wholly owned subsidiary of TransCanada USA through a merger between CPG and a wholly owned subsidiary of TransCanada USA that became effective on July 1, 2016, as described in CPG's Current Report on Form 8-K dated July 1, 2016.

2. Each subordinated unit will convert into one common unit at the end of the subordination period described in the Registration Statement on Form S-1 (File No. 333-198990) of Columbia Pipeline Partners LP ("CPPL"). The subordinated units have no expiration date.

Remarks:

CPG has the right to appoint all of the directors of the Board of Directors of CPP GP LLC, the general partner of CPPL. Therefore, each reporting owner of this Form 3 may be deemed a director by deputization.

	/s/Christine R. Johnston, Corporate Secretary of TransCanada Corp	02/22/2017
	/s/Christine R. Johnston, Corporate Secretary of TransCanada Pipelines Ltd.	02/22/2017
	/s/Jon A. Dobson, Corporate Secretary of TransCanada PipeLine USA Ltd.	02/22/2017
	** Signature of Reporting Person	Date
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