Nov 1, 2023

Overseas Shipholding Group to Announce Third Quarter 2023 Results on November 6, 2023

TAMPA, Fla. –
Overseas Shipholding Group, Inc. (NYSE: OSG) (the “Company” or “OSG”) announced today that it plans to release its third quarter results of fiscal year 2023 before the market opens on Monday, November 6, 2023.

The Company will host a conference call and webcast to discuss its third quarter 2023 results at 9:30 a.m. ET on Monday, November 6, 2023.

Event: OSG’s Q3 2023 Earnings Release Conference Call

When: Monday, November 6, 2023 at 9:30 a.m. ET

Dial-In: (844) 850-0546 (US) or (412) 317-5203 (International)

Participants have an option of calling in to listen or watching a live audio webcast and slide presentation available at the Investors section of the Company’s website located at www.osg.com/investors. A replay of the webcast will also be available on the website after the completion of the call.

About Overseas Shipholding Group, Inc

Overseas Shipholding Group, Inc. (NYSE: OSG) is a publicly traded company providing liquid bulk transportation services in the U.S. Flag markets. OSG’s U.S. Flag fleet consists of Suezmax crude oil tankers doing business in Alaska, conventional and lightering ATBs, shuttle and conventional MR tankers, and non-Jones Act MR tankers that participate in the U.S. Tanker Security Program.

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

Investor Relations & Media Contact:

Susan Allan, Overseas Shipholding Group, Inc.

(813) 209-0620

sallan@osg.com