Ultrapetrol Announces Release Date for Second Quarter 2013 Financial Results and Hosting of Conference Call

Ultrapetrol Announces Release Date for Second Quarter 2013 Financial Results
and Hosting of Conference Call

NASSAU, Bahamas, Aug. 6, 2013 (GLOBE NEWSWIRE) -- Ultrapetrol (Bahamas)
Limited (Nasdaq:ULTR), an industrial transportation company serving marine
transportation needs in three markets (River Business, Offshore Supply
Business, and Ocean Business), announced today that it will release its second
quarter 2013 financial results on Tuesday, August 13, 2013, after the market
closes. Ultrapetrol also will host a related conference call on Wednesday,
August 14, 2013, at 10:00 a.m. Eastern Time, accessible via telephone and
Internet with an accompanying slide presentation.

On the call, Mr. Felipe Menendez Ross, Chief Executive Officer, and Ms.
Cecilia Yad, Chief Financial Officer, will discuss Ultrapetrol's results and
the outlook for its three core businesses. There also will be a question and
answer session. The call is expected to last approximately one hour and an
audio webcast and slide presentation will be available on the Investor
Relations section of Ultrapetrol's Web site at www.ultrapetrol.net.

Investors and analysts may participate in the live conference call by dialing
888-469-1093 (toll-free U.S.) or +1-210-234-0032 (outside of the U.S.);
passcode: ULTR. Please register at least 10 minutes before the conference call
begins. A replay of the call will be available for one week via telephone
starting approximately one hour after the call ends. The replay can be
accessed at 866-490-2546 (toll-free U.S.) or + 1-203-369-1701 (outside of the
U.S.); passcode: 5034. The webcast will be archived on Ultrapetrol's Web site
for 30 days after the call.

About Ultrapetrol

Ultrapetrol is an industrial transportation company serving the marine
transportation needs of its clients in the markets on which it focuses. It
serves the shipping markets for containers, grain and soy bean products,
forest products, minerals, crude oil, petroleum, and refined petroleum
products, as well as the offshore oil platform supply market with its
extensive and diverse fleet of vessels. These include river barges and
pushboats, platform supply vessels, tankers and two container feeder vessels.
More information on Ultrapetrol can be found atwww.ultrapetrol.net.

         Leon Berman
         David Burke

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