Oct 25, 2019

Overseas Shipholding Group to Announce Third Quarter 2019 Results on November 8, 2019

TAMPA, Fla. –
Overseas Shipholding Group, Inc. (NYSE: OSG) (the “Company” or “OSG”) announced today that it plans to release third quarter results before the market opens on Friday, November 8, 2019.

The Company will host a conference call to discuss its third quarter 2019 results at 9:00 a.m. Eastern Time (“ET”) on Friday, November 8, 2019.

To access the call, participants should dial (844) 850-0546 for domestic callers and (412) 317-5203 for international callers. Please dial in ten minutes prior to the start of the call.

A live webcast of the conference call will be available from the Investor Relations section of the Company’s website at http://www.osg.com/.

An audio replay of the conference call will be available starting at 11:00 a.m. ET on Friday, November 8, 2019 by dialing (877) 344-7529 for domestic callers and (412) 317-0088 for international callers and entering Access Code 10136164.

About Overseas Shipholding Group, Inc

Overseas Shipholding Group, Inc. (NYSE: OSG) is a publicly traded tanker 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 21 vessel fleet consists of two conventional ATBs, two lightering ATBs, three shuttle tankers, 10 conventional MR tankers, and two non-Jones Act MR tankers that participate in the U.S. Maritime Security Program, all of which are U.S. flagged, as well as two Marshall Island flagged non-Jones Act MR tankers trading in international markets. In addition, OSG has two barges under construction in the U.S. that will be Jones Act qualified vessels, with delivery anticipated during 2020. These vessels are anticipated to be paired with the Company’s existing tugs operating in the Jones Act trade.

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.

Investor Relations & Media Contact:

Susan Allan, Overseas Shipholding Group, Inc.

(813) 209-0620

sallan@osg.com