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* USD GROUP LLC (Last) (First) (Middle) 811 MAIN STREET, SUITE 2800 (Street) HOUSTON TX 77002 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol USD Partners LP [ USDP ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X Director X 10% Owner Officer (give title below) Other (specify below)
	3. Date of Earliest Transaction (Month/Day/Year) 02/20/2018
	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
COMMON UNITS (LIMITED PARTNER INTERESTS)	02/20/2018		C(1)		2,092,709	A	$0	7,371,672	I	See Footnotes(2)(3)

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
SUBORDINATED UNITS (LIMITED PARTNER INTERESTS)	(4)	02/20/2018		C			2,092,709	(4)	(4)	COMMON UNITS	2,092,709	$0	4,185,418	I	See Footnotes(2)(3)

1. Name and Address of Reporting Person* USD GROUP LLC (Last) (First) (Middle) 811 MAIN STREET, SUITE 2800 (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* US DEVELOPMENT GROUP, LLC (Last) (First) (Middle) 811 MAIN STREET, SUITE 2800 (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* USD HOLDINGS LLC (Last) (First) (Middle) 811 MAIN STREET, SUITE 2800 (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* ECP ControlCo, LLC (Last) (First) (Middle) 51 JOHN F. KENNEDY PARKWAY, SUITE 200 (Street) SHORT HILLS NJ 07078 (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* ENERGY CAPITAL PARTNERS III, LLC (Last) (First) (Middle) 51 JOHN F. KENNEDY PARKWAY, SUITE 200 (Street) SHORT HILLS NJ 07078 (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* Energy Capital Partners GP III, LP (Last) (First) (Middle) 51 JOHN F. KENNEDY PARKWAY, SUITE 200 (Street) SHORT HILLS NJ 07078 (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* ENERGY CAPITAL PARTNERS III-A, LP (Last) (First) (Middle) 51 JOHN F. KENNEDY PARKWAY, SUITE 200 (Street) SHORT HILLS NJ 07078 (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* ENERGY CAPITAL PARTNERS III-B (USD IP), LP (Last) (First) (Middle) 51 JOHN F. KENNEDY PARKWAY, SUITE 200 (Street) SHORT HILLS NJ 07078 (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* ENERGY CAPITAL PARTNERS III-C (USD IP), LP (Last) (First) (Middle) 51 JOHN F. KENNEDY PARKWAY, SUITE 200 (Street) SHORT HILLS NJ 07078 (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. Effective February 20, 2018, pursuant to the terms for the third subordinated unit tranche as set forth in the Issuer's second amended and restated agreement of limited partnership, 2,092,709 subordinated units representing limited partnership interests in the Issuer held by USD Group LLC ("USD Group") converted on a one-for-one basis into common units representing limited partnership interests in the Issuer.

2. US Development Group, LLC ("USD") is the parent company of USD Group LLC ("USD Group") which is the sole owner of the membership interests of USD Partners GP LLC, the Issuer's general partner. USD manages USD Group. ECP ControlCo, LLC ("ECP ControlCo") is the managing member of Energy Capital Partners III, LLC ("ECP"), which is the general partner of Energy Capital Partners GP III, LP ("ECP GP"), which is the general partner of each of Energy Capital Partners III-A, LP ("ECP-A"), Energy Capital Partners III-B (USD IP), LP ("ECP-B"), and Energy Capital Partners III-C (USD IP), LP ("ECP-C") and together with ECP-A and ECP-B, the "ECP Funds"). As a result, ECP ControlCo, ECP and ECP GP have voting and investment control over the securities owned by the ECP Funds. USD Holdings, LLC ("USD Holdings") and the ECP Funds are members of USD and, with ECP and ECP ControlCo, may be deemed to indirectly beneficially own the limited partnership interests beneficially owned by USD.

3. Following the transactions reported herein, USD Group directly holds 7,371,672 common units and 4,185,418 subordinated units representing 33.8% of the common units and 100% of the subordinated units for a combined 44.3% of the limited partnership interests in the Issuer. USD Holdings is a 45.5% member of USD, and may therefore be deemed to indirectly beneficially own 3,354,111 common units and 1,904,365 subordinated units, representing 45.5% of the limited partnership interests held by USD Group. ECP ControlCo, ECP, ECP GP and the ECP Funds collectively hold 49.2% of the membership interest in USD, and may therefore be deemed to indirectly beneficially own 3.626,863 common units and 2,059,226 subordinated units, representing 49.2% of the limited partnership interests held by USD Group.

4. Subordinated units will convert into common units on a one-for-one basis in separate sequential tranches. Each tranche will be comprised of 20.0% of the subordinated units outstanding as of October 15, 2014. A separate tranche will convert on each business day occurring on or after October 1, 2015 (but no more than once in any twelve-month period) subject to certain conditions being met.

Remarks:

	/s/Adam Altsuler, Chief Financial Officer, USD Group LLC	02/22/2018
	/s/ Adam Altsuler, Chief Financial Officer, US Development Group, LLC	02/22/2018
	USD Holdings LLC; By: /s/ Michael R: Curry, Manager	02/22/2018
	ECP ControlCo, LLC By: /s/ Peter Labbat, Managing Member	02/22/2018
	Energy Capital Partners III, LLC By: ECP ControlCo, LLC, its managing member By: /s/ Peter Labbat, Managing Member	02/22/2018
	Energy Capital Partners GP III, LP By: Energy Capital Partners III, LLC, its general partner By: ECP ControlCo, LLC, its managing member By: /s/ Peter Labbat, Managing Member	02/22/2018
	Energy Capital Partners III-A, LP By: Energy Capital Partners GP III, LP, its general partner By: Energy Capital Partners III, LLC, its general partner By: ECP ControlCo, LLC, its managing member By: /s/ Peter Labbat, Managing Member	02/22/2018
	Energy Capital Partners III-B (USD IP), LP By: Energy Capital Partners GP III, LP, its general partner By: Energy Capital Partners III, LLC, its general partner By: ECP ControlCo, LLC, its managing member By: /s/ Peter Labbat, Managing Member	02/22/2018
	Energy Capital Partners III-C (USD IP), LP By: Energy Capital Partners GP III, LP, its general partner By: Energy Capital Partners III, LLC, its general partner By: ECP ControlCo, LLC, its managing member By: /s/ Peter Labbat, Managing Member	02/22/2018
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.