| Individual/Entity | Most Recent Trans. | Shares Owned as of Trans. Date | CADIEUX ROBERT D Director | Option Exercise 12-Mar-08 | 5,843 12-Mar-08 | GROJEAN THOMAS F Director | Option Exercise 2-May-08 | 10,129 2-May-08 | HURLBUTT JAMES E Officer | Option Exercise 9-Sep-09 | 4,494 9-Sep-09 | PACHOLEC FRANK Officer | Option Exercise 23-Nov-09 | 15,718 23-Nov-09 | POTTER ROBERT G Director | Option Exercise 14-Aug-08 | 6,646 14-Aug-08 | SERVATIUS GREGORY Officer | Acquisition (Non Open Market) 15-Sep-09 | 12,084 15-Sep-09 | STEPAN CO Officer | Option Exercise 2-Sep-08 | 12,151 2-Sep-08 | STEPAN F QUINN Officer | Sale 23-Nov-09 | 299,666 23-Nov-09 | STEPAN F QUINN JR Officer | Acquisition (Non Open Market) 4-Nov-09 | 83,247 4-Nov-09 | VENEGONI JOHN V Officer | Option Exercise 20-Nov-09 | 19,307 20-Nov-09 | WOOD ROBERT JOHN Officer | Option Exercise 16-Sep-09 | 7,332 16-Sep-09 | WYNN H EDWARD Officer | Option Exercise 20-Nov-09 | 1,970 20-Nov-09 | ZOGLIO ANTHONY J Officer | Automatic Sale 10-Nov-09 | 5,717 10-Nov-09 |
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