Effective April 30, 2013, the Board of Directors of Southcross Energy Partners GP, LLC appointed Donna A. Henderson as the Chief Accounting Officer to replace David M. Mueller, who resigned such position as of such date. The Board previously appointed Ms. Henderson as a Vice President of the General Partner on April 1, 2013. From September 2011 to December 2012, Ms. Henderson was the Vice President and Chief Audit Executive of GenOn Energy Inc. Prior to that position, Ms. Henderson served as Assistant Controller of GenOn Energy Inc. and its predecessor companies, RRI Energy Inc. and Reliant Energy Inc., from July 2005 to September 2011.