| Individual/Entity | Most Recent Trans. | Shares Owned as of Trans. Date | BONNER CHARLES B Director | Option Exercise 18-Aug-08 | 98,156 18-Aug-08 | EDDINGS ERIC C Officer | Purchase 25-Mar-09 | 75,593 25-Mar-09 | FRANDSEN MARK C Director | Purchase 2-Sep-08 | 5,000 2-Sep-08 | GRUBER & MCBAINE CAPITAL MANAGEMENT LLC Beneficial Owner (10% or more) | Sale 6-May-08 | 1,570,105 6-May-08 | HENNING WALTER L Director | Purchase 20-Mar-09 | 37,750 20-Mar-09 | KATZ TAMMY G Director | Purchase 20-Mar-09 | 5,000 20-Mar-09 | MCGARVEY JOHN HUNT Director | Purchase 18-Aug-08 | 30,000 18-Aug-08 | SAMPATH VIJI Director | Ownership Statement 19-Jun-08 | 2,000 19-Jun-08 | SCHALL MICHAEL P Officer | Purchase 6-Jun-08 | 12,000 6-Jun-08 | TUNSTALL VAN Director | Purchase 20-Mar-09 | 72,474 20-Mar-09 | WHEELER SCOTT Officer | Purchase 3-Jun-08 | 6,000 3-Jun-08 |
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