| Individual/Entity | Most Recent Trans. | Shares Owned as of Trans. Date | ALLNUTT ROBERT Director | Option Exercise 9-Dec-08 | 65,500 9-Dec-08 | BENEDIK JOHN F Director | Purchase 13-Jan-09 | 30,000 13-Jan-09 | CASAMENTO CHARLES J Director | Purchase 30-Nov-07 | 15,000 30-Nov-07 | COLEMAN JAMES H Officer | Acquisition (Non Open Market) 30-May-08 | 207,587 30-May-08 | COTMAN CARL W Director | Option Exercise 3-Dec-08 | 74,500 3-Dec-08 | DRAKE PETER F Director | Purchase 14-Nov-07 | 50,000 14-Nov-07 | JOHNSON M ROSS Director | Purchase 14-Nov-07 | 30,000 14-Nov-07 | JOHNSON STEVEN ANDREW Officer | Option Exercise 15-Dec-08 | 30,762 15-Dec-08 | MESSINGER MARIA S Officer | Acquisition (Non Open Market) 30-May-08 | 49,064 30-May-08 | STOLL ROGER G PHD Officer | Purchase 22-Apr-08 | 100,000 22-Apr-08 | TOLLEFSON GARY D Director | Purchase 21-Dec-07 | 28,000 21-Dec-07 | TRAN PIERRE V Officer | Purchase 7-Dec-07 | 30,000 7-Dec-07 | VARNEY MARK A Officer | Purchase 27-Nov-07 | 30,000 27-Nov-07 |
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