TAMPA, Fla. –
Overseas Shipholding Group, Inc. (NYSE:OSG) (the “Company” or “OSG”)
announced today that it plans to release first quarter results before
market opens on Wednesday, May 9, 2018.

The Company will host a conference call to discuss its first quarter
2018 results at 9:00 a.m. Eastern Time (“ET”) on Wednesday, May 9, 2018.

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 Wednesday, May 9, 2018 by dialing (877) 344-7529 for
domestic callers and (412) 317-0088 for international callers, and
entering Access Code 10119908.

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 23-vessel U.S. Flag
fleet consists of seven ATBs, two lightering ATBs, three shuttle
tankers, nine MR tankers, and two non-Jones Act MR tankers that
participate in the U.S. Maritime Security Program. 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.

View source version on businesswire.com: https://www.businesswire.com/news/home/20180424006647/en/

Overseas Shipholding Group, Inc.
Investor Relations & Media
Contact:
Susan Allan, 813-209-0620
sallan@osg.com