X0303 4 2011-04-12 0 0000075208 OVERSEAS SHIPHOLDING GROUP INC OSG 0001239715 FRIBOURG CHARLES 277 PARK AVENUE NEW YORK NY 10172 1 0 0 0 Common Stock, par value $1.00 per share 2011-04-12 4 J 0 1530 28.83 A 357345 I (2) Common Stock, par value $1.00 per share 2011-04-12 4 J 0 300 28.835 A 357645 I (2) Common Stock, par value $1.00 per share 2011-04-12 4 J 0 2800 28.84 A 360445 I (2) Common Stock, par value $1.00 per share 2011-04-12 4 J 0 3811 28.85 A 364256 I (2) Common Stock, par value $1.00 per share 2011-04-12 4 J 0 200 28.853 A 364456 I (2) Common Stock, par value $1.00 per share 2011-04-12 4 J 0 2700 28.86 A 367156 I (2) Common Stock, par value $1.00 per share 2011-04-12 4 J 0 300 28.862 A 367456 I (2) Common Stock, par value $1.00 per share 2011-04-12 4 J 0 3100 28.87 A 370556 I (2) Common Stock, par value $1.00 per share 2011-04-12 4 J 0 100 28.872 A 370656 I (2) Common Stock, par value $1.00 per share 2011-04-12 4 J 0 1600 28.88 A 372256 I (2) Common Stock, par value $1.00 per share 2011-04-12 4 J 0 1500 28.89 A 373756 I (2) Common Stock, par value $1.00 per share 2011-04-12 4 J 0 400 28.893 A 374156 I (2) Common Stock, par value $1.00 per share 2011-04-12 4 J 0 900 28.90 A 375056 I (2) Common Stock, par value $1.00 per share 2011-04-12 4 J 0 100 28.902 A 375156 I (2) Common Stock, par value $1.00 per share 2011-04-12 4 J 0 400 28.91 A 375556 I (2) Common Stock, par value $1.00 per share 2011-04-12 4 J 0 1500 28.92 A 376056 I (2) Common Stock, par value $1.00 per share 2011-04-12 4 J 0 1200 28.93 A 378256 I (2) Common Stock, par value $1.00 per share 2011-04-12 4 J 0 1000 28.94 A 379256 I (2) Common Stock, par value $1.00 per share 2011-04-12 4 J 0 800 28.95 A 380056 I (2) Common Stock, par value $1.00 per share 2011-04-12 4 J 0 600 28.96 A 380656 I (2) Common Stock, par value $1.00 per share 2011-04-12 4 J 0 1700 28.97 A 382356 I (2) Common Stock, par value $1.00 per share 2011-04-12 4 J 0 1751 28.98 A 384107 I (2) Common Stock, par value $1.00 per share 2011-04-12 4 J 0 2424 28.99 A 386531 I (2) Common Stock, par value $1.00 per share 2011-04-12 4 J 0 489 28.93 A 23394 D Common Stock, par value $1.00 per share 2011-04-12 4 J 0 200 28.94 A 23594 D Common Stock, par value $1.00 per share 2011-04-12 4 J 0 200 28.95 A 23794 D Common Stock, par value $1.00 per share 2011-04-12 4 J 0 500 28.96 A 24294 D Common Stock, par value $1.00 per share 2011-04-12 4 J 0 300 28.97 A 24594 D Common Stock, par value $1.00 per share 2011-04-12 4 J 0 855 28.98 A 25449 D Common Stock, par value $1.00 per share 1600 I (4) Purchased pursuant to a trading plan adopted pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended. These shares are held indirectly through an entity. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest in these shares. Purchased pursuant to a trading plan adopted pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended. These shares are owned by the Reporting Person's spouse. The Reporting Person disclaims beneficial ownership of these shares. /s/James I. Edelson, Attorney-in-Fact pursuant to a power of attorney previously filed 2011-04-13