X0508 4 2023-08-15 0 0000075208 OVERSEAS SHIPHOLDING GROUP INC OSG 0001616545 Norton Samuel H C/O OVERSEAS SHIPHOLDING GROUP, INC. 302 KNIGHTS RUN AVE, SUITE 1200 TAMPA FL 33602 1 1 0 0 President and CEO 1 Class A Common Stock 2023-08-15 4 S 0 12446 4.0832 D 2630850 D Class A Common Stock 2023-08-16 4 S 0 22513 4.017 D 2608337 D Class A Common Stock 2023-08-17 4 S 0 15041 4.0045 D 2593296 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions with prices ranging from $4.0450 to $4.1300 inclusive. The reporting person undertakes to provide to Overseas Shipholding Group, Inc., any security holder of Overseas Shipholding Group, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in Footnote (1) to this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions with prices ranging from $4.0000 to $4.0900 inclusive. The reporting person undertakes to provide to Overseas Shipholding Group, Inc., any security holder of Overseas Shipholding Group, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in Footnote (2) to this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions with prices ranging from $3.9900 to $4.0250 inclusive. The reporting person undertakes to provide to Overseas Shipholding Group, Inc., any security holder of Overseas Shipholding Group, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in Footnote (3) to this Form 4. Shares are held in a revocable trust in which Mr. Norton is sole trustee. /s/ Samuel H Norton by Deanna Marshall, Attorney-in-fact 2023-08-17