X0303 4 2009-05-01 0001022671 STEEL DYNAMICS INC STLD 0001027286 BATES JOHN C 640 LAVOY ROAD ERIE MI 48133 1 0 0 0 Common Stock 18246 D Common Stock 2009-05-01 4 S 0 24494 12.75 D 1466942 I See footnote Common Stock 2009-05-01 4 S 0 14606 12.76 D 1452336 I See footnote Common Stock 2009-05-01 4 S 0 19000 12.77 D 1433336 I See footnote Common Stock 2009-05-01 4 S 0 7015 12.78 D 1426321 I See footnote Common Stock 2009-05-01 4 S 0 6200 12.79 D 1420121 I See footnote Common Stock 2009-05-01 4 S 0 10485 12.80 D 1409636 I See footnote Common Stock 2009-05-01 4 S 0 10700 12.81 D 1398936 I See footnote Common Stock 2009-05-01 4 S 0 5500 12.82 D 1393436 I See footnote Common Stock 2009-05-01 4 S 0 2000 12.83 D 1391436 I See footnote Common Stock 2009-05-01 4 S 0 54489 13.25 D 1336947 I See footnote Common Stock 2009-05-01 4 S 0 27394 13.26 D 1309553 I See footnote Common Stock 2009-05-01 4 S 0 22670 13.27 D 1286883 I See footnote Common Stock 2009-05-01 4 S 0 20027 13.28 D 1266856 I See footnote Common Stock 2009-05-01 4 S 0 7900 13.29 D 1258956 I See footnote Common Stock 2009-05-01 4 S 0 6920 13.30 D 1252036 I See footnote Common Stock 2009-05-01 4 S 0 7400 13.31 D 1244636 I See footnote Through control of Heidtman Steel Products, Inc., which holds these shares. Mr. Bates disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest therein. John C. Bates 2009-05-05