Owners

ATC is NOW A WHOLLY-OWNED SUBSIDARY OF OSG

Overseas Shipholding Group, Inc. (NYSE: OSG) is a publicly traded company providing energy transportation services
for crude oil and petroleum products in the U.S. Flag markets.

OSG is a major operator of tankers and ATBs in the Jones Act industry. OSG’s 23 vessel U.S. Flag fleet consists of three Suezmax crude oil tankers doing business in Alaska, two conventional ATBs, two lightering ATBs, three shuttle tankers, ten MR tankers, and two non-Jones Act MR tankers that participate in the U.S. Maritime Security Program, and one tanker in cold layup. In addition, OSG also owns and operates one Marshall Islands flagged MR tanker which trades internationally.

OSG is committed to setting high standards of excellence for its quality, safety and environmental programs. OSG is recognized as one of the world’s most customer-focused marine transportation companies and is headquartered in Tampa, FL. More information is available at www.osg.com.