Overseas Shipholding Group to Announce Second Quarter 2021 Results on August 6, 2021

Overseas Shipholding Group, Inc. (NYSE: OSG) (the "Company" or "OSG") announced today that it plans to release second quarter results before market opens on Friday, August 6, 2021.

The Company will host a conference call to discuss its second quarter 2021 results at 9:30 a.m. Eastern Time ("ET") on Friday, August 6, 2021.

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 www.osg.com.

An audio replay of the conference call will be available starting at 11:30 a.m. ET on Friday, August 6, 2021 by dialing (877) 344-7529 for domestic callers and (412) 317-0088 for international callers and entering Access Code 10158907.

About Overseas Shipholding Group, Inc

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 22 vessel U.S. Flag fleet consists of three crude oil tankers doing business in Alaska, two conventional ATB, 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. OSG also currently 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.