JOINT FILING AGREEMENT

Exhibit A

JOINT FILING AGREEMENT

Pursuant to Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, each of the undersigned hereby agrees that only one statement containing the information required by Schedule 13D need be filed with respect to the ownership by each of the undersigned of Common Stock of Ultrapetrol (Bahamas) Limited.

This Agreement may be executed in any number of counterparts, each of which shall be deemed an original.

Executed this 16^th day of November, 2012.

INVERSIONES LOS AVELLANOS S.A.
By:		/s/    Xxxxx Xxxxxxxx R.
		Name:		Xxxxx Xxxxxxxx R.
		Title:		President
By:		/s/    Xxxx Xxxxxxx Xxxxxx G.
		Name:		Xxxx Xxxxxxx Xxxxxx G.
		Title:		Director
SIPSA S.A.
By:		/s/    Xxxxx Xxxxxxxx R.
		Name:		Xxxxx Xxxxxxxx R.
		Title:		President
By:		/s/    Xxxx Xxxxxxx Xxxxxx G.
		Name:		Xxxx Xxxxxxx Xxxxxx G.
		Title:		Attorney-in-Fact
HAZELS (BAHAMAS) INVESTMENTS INC.
By:		/s/    Xxxxx Xxxxxxxx R.
		Name:		Xxxxx Xxxxxxxx R.
		Title:		Director
By:		/s/    Xxxx Xxxxxxx Xxxxxx G.
		Name:		Xxxx Xxxxxxx Xxxxxx G.
		Title:		Director
XXXXXX XXXXXXXX R.
/s/    Xxxxxx Xxxxxxxx R.
XXXXXXX XXXXXXXX R.
/s/    Xxxxxxx Xxxxxxxx R.