TW Southcross Aggregator SC 13D/A Southcross Energy Partners, L.P.

Exhibit 99.1

JOINT FILING AGREEMENT

We, the undersigned, hereby express our agreement that the attached Schedule 13D is, and any further amendments thereto signed by each of the undersigned shall be, filed on behalf of each of us pursuant to and in accordance with the provisions of Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended. This agreement may be terminated with respect to the obligations to jointly file future amendments to such statement on Schedule 13D as to any of the undersigned upon such person giving written notice thereof to each of the other persons signatory hereto, at the principal office thereof.

Date: April 13, 2016

TW SOUTHCROSS AGGREGATOR LP,
a Delaware limited partnership
By:	TW/LM GP Sub, LLC,
	its General Partner
By:	/s/ Brian Blakeman
	Brian Blakeman, Vice President Tax & Finance
TW/LM GP SUB, LLC,
a Texas limited liability company
By:	/s/ Brian Blakeman
	Brian Blakeman, Vice President Tax & Finance
TAILWATER ENERGY FUND I LP,
a Delaware limited partnership
By:	TW GP EF-I, LP,
	its General Partner
By:	TW GP EF-I GP, LLC,
	its General Partner
By:	/s/ Brian Blakeman
	Brian Blakeman, Vice President Tax & Finance
TW GP EF-I, LP,
a Delaware limited partnership
By:	TW GP EF-I GP, LLC,
	its General Partner
By:	/s/ Brian Blakeman
	Brian Blakeman, Vice President Tax & Finance

TW GP EF-I GP, LLC,
a Texas limited liability company
By:	/s/ Brian Blakeman
	Brian Blakeman, Vice President Tax & Finance
TAILWATER HOLDINGS, LP,
a Delaware limited partnership
By:	TW GP Holdings, LLC,
	its General Partner
By:	/s/ Brian Blakeman
	Brian Blakeman, Vice President
TW GP HOLDINGS, LLC,
a Texas limited liability company
By:	/s/ Brian Blakeman
	Brian Blakeman, Vice President
TAILWATER CAPITAL LLC,
a Texas limited liability company
By:	/s/ Brian Blakeman
	Brian Blakeman, Vice President Tax & Finance
	/s/ Jason H. Downie
Jason H. Downie
	/s/ Edward Herring
Edward Herring