Sec Form 4 Filing - EIG BBTS Holdings, LLC @ Southcross Energy Partners, L.P. - 2019-02-07

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person EIG BBTS Holdings, LLC 2. Issuer Name and Ticker or Trading Symbol Southcross Energy Partners, L.P. [ SXE] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 1700 PENNSYLVANIA AVE. NW, SUITE 800, 3. Date of Earliest Transaction (MM/DD/YY) 02/07/2019 (Street) WASHINGTON, DC20006 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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

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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 7. Title and Amount of Underlying Securities (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 of Derivative Security: 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 Class B Convertible Units ( 1 ) 02/07/2019 J( 1 ) 343,950 ( 1 ) ( 1 ) Common Units (Limited Partnership Interests) ( 1 ) ( 1 ) 19,996,781 I By Southcross Holdings Borrower LP

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other EIG BBTS Holdings, LLC 1700 PENNSYLVANIA AVE. NW, SUITE 800 WASHINGTON, DC20006 X EIG Management Company, LLC 1700 PENNSYLVANIA AVE, N.W. SUITE 800 WASHINGTON, DC20006 X EIG Asset Management, LLC 1700 PENNSYLVANIA AVE. NW, SUITE 800 WASHINGTON, DC20006 X EIG Global Energy Partners, LLC 1700 PENNSYLVANIA AVE. NW, SUITE 800 WASHINGTON, DC20006 X R. Blair Thomas 2010 Irrevocable Trust 1700 PENNSYLVANIA AVE. NW, SUITE 800 WASHINGTON, DC20006 X Thomas R. Blair 1700 PENNSYLVANIA AVE. NW, SUITE 800 WASHINGTON, DC20006 X Randall Wade 2010 Irrevocable Trust 1700 PENNSYLVANIA AVE. NW, SUITE 800 WASHINGTON, DC20006 X Kristina Wade 2010 Irrevocable Trust 1700 PENNSYLVANIA AVE. NW, SUITE 800 WASHINGTON, DC20006 X Wade Randall S. 1700 PENNSYLVANIA AVE. NW, SUITE 800 WASHINGTON, DC20006 X X Signatures EIG BBTS HOLDINGS, LLC By: EIG Management Company, LLC, its Manager By: /s/ R. Blair Thomas, Chief Executive Officer By: /s/ Robert L. Vitale, General Counsel 02/08/2019 Signature of Reporting Person Date EIG MANAGEMENT COMPANY, LLC By: /s/ R. Blair Thomas, Chief Executive Officer By: /s/ Robert L. Vitale, General Counsel 02/08/2019 Signature of Reporting Person Date EIG ASSET MANAGEMENT, LLC By: /s/ R. Blair Thomas, Chief Executive Officer By: /s/ Robert L. Vitale, General Counsel 02/08/2019 Signature of Reporting Person Date EIG GLOBAL ENERGY PARTNERS, LLC By: /s/ R. Blair Thomas, Chief Executive Officer By: /s/ Robert L. Vitale, General Counsel 02/08/2019 Signature of Reporting Person Date THE R. BLAIR THOMAS 2010 IRREVOCABLE TRUST By: /s/ R. Blair Thomas, Trustee 02/08/2019 Signature of Reporting Person Date R. BLAIR THOMAS By: /s/ R. Blair Thomas 02/08/2019 Signature of Reporting Person Date THE RANDALL WADE 2010 IRREVOCABLE TRUST By: /s/ Randall S. Wade, Trustee 02/08/2019 Signature of Reporting Person Date THE KRISTINA WADE 2010 IRREVOCABLE TRUST By: /s/ Randall S. Wade, Trustee 02/08/2019 Signature of Reporting Person Date RANDALL S. WADE By: /s/ Randall S. Wade 02/08/2019 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The Class B Convertible Units were acquired by Southcross Holdings Borrower LP ("Borrower") as a payment-in-kind distribution on outstanding Class B Convertible Units pursuant to the Issuer's Third Amended and Restated Agreement of Limited Partnership dated August 4, 2014 (the "Partnership Agreement"). The Class B Convertible Units convert into Common Units at the Class B Conversion Rate (as defined in the Partnership Agreement) on the Class B Conversion Date (as defined in the Partnership Agreement).

Remarks: See Exhibit 99.1

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).

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