| Date | Insider | Shares | Type | Transaction | Value* |
| 14-Sep-09 | RICHTER DAVID J Officer | 6,250 | Direct | Option Exercise at $0 per share. | N/A |
| 14-Sep-09 | RICHTER DAVID J Officer | 2,234 | Direct | Disposition (Non Open Market) at $5.26 per share. | $11,750 |
| 14-Sep-09 | HELL KEVIN Officer | 9,375 | Direct | Option Exercise at $0 per share. | N/A |
| 14-Sep-09 | HELL KEVIN Officer | 3,351 | Direct | Disposition (Non Open Market) at $5.26 per share. | $17,626 |
| 14-Sep-09 | HALVORSON DAN L Officer | 6,250 | Direct | Option Exercise at $0 per share. | N/A |
| 14-Sep-09 | HALVORSON DAN L Officer | 2,234 | Direct | Disposition (Non Open Market) at $5.26 per share. | $11,750 |
| 10-Jul-09 | CREER FRANK Director | 20,058 | Direct | Automatic Sale at $5.02 per share. | $100,691 |
| 15-Jun-09 | RICHTER DAVID J Officer | 6,250 | Direct | Option Exercise at $0 per share. | N/A |
| 15-Jun-09 | RICHTER DAVID J Officer | 2,234 | Direct | Disposition (Non Open Market) at $5.12 per share. | $11,438 |
| 15-Jun-09 | HELL KEVIN Officer | 9,375 | Direct | Option Exercise at $0 per share. | N/A |
| 15-Jun-09 | HELL KEVIN Officer | 3,351 | Direct | Disposition (Non Open Market) at $5.12 per share. | $17,157 |
| 15-Jun-09 | HALVORSON DAN L Officer | 6,250 | Direct | Option Exercise at $0 per share. | N/A |
| 15-Jun-09 | HALVORSON DAN L Officer | 2,234 | Direct | Disposition (Non Open Market) at $5.12 per share. | $11,438 |
| 18-May-09 | RICHTER DAVID J Officer | 4,520 | Direct | Automatic Sale at $4.64 per share. | $20,972 |
| 30-Apr-09 | VASHISHT-ROTA JEROME JP Director | 18,875 | Direct | Option Exercise at $1.80 per share. | $33,975 |
| 13-Mar-09 | RICHTER DAVID J Officer | 6,250 | Direct | Option Exercise at $0 per share. | N/A |
| 13-Mar-09 | HELL KEVIN Officer | 9,375 | Direct | Option Exercise at $0 per share. | N/A |
| 13-Mar-09 | HELL KEVIN Officer | 3,351 | Direct | Disposition (Non Open Market) at $4.78 per share. | $16,017 |
| 13-Mar-09 | HALVORSON DAN L Officer | 6,250 | Direct | Option Exercise at $0 per share. | N/A |
| 26-Jan-09 | RICHTER DAVID J Officer | 20,000 | Direct | Automatic Sale at $5.16 per share. | $103,200 |
| 15-Dec-08 | RICHTER DAVID J Officer | 6,250 | Direct | Option Exercise at $0 per share. | N/A |
| 15-Dec-08 | HELL KEVIN Officer | 9,375 | Direct | Option Exercise at $0 per share. | N/A |
| 15-Dec-08 | HELL KEVIN Officer | 3,351 | Direct | Disposition (Non Open Market) at $4.69 per share. | $15,716 |
| 15-Dec-08 | HALVORSON DAN L Officer | 6,250 | Direct | Option Exercise at $0 per share. | N/A |
| 1-Oct-08 | VASHISHT-ROTA JEROME JP Director | 20,057 | Indirect | Automatic Sale at $6.27 per share. | $125,757 |
| 15-Sep-08 | RICHTER DAVID J Officer | 6,250 | Direct | Option Exercise at $0 per share. | N/A |
| 15-Sep-08 | HELL KEVIN Officer | 9,375 | Direct | Option Exercise at $0 per share. | N/A |
| 15-Sep-08 | HELL KEVIN Officer | 3,351 | Direct | Disposition (Non Open Market) at $7.05 per share. | $23,624 |
| 15-Sep-08 | HALVORSON DAN L Officer | 6,250 | Direct | Option Exercise at $0 per share. | N/A |
| 2-Sep-08 | VASHISHT-ROTA JEROME JP Director | 14,226 | Indirect | Automatic Sale at $8.83 per share. | $125,615 |
| 1-Aug-08 | VASHISHT-ROTA JEROME JP Director | 15,382 | Indirect | Automatic Sale at $8.17 per share. | $125,670 |
| 1-Jul-08 | VASHISHT-ROTA JEROME JP Director | 17,692 | Indirect | Automatic Sale at $7.11 per share. | $125,790 |
| 13-Jun-08 | RICHTER DAVID J Officer | 6,250 | Direct | Option Exercise at $0 per share. | N/A |
| 13-Jun-08 | RICHTER DAVID J Officer | 2,234 | Direct | Disposition (Non Open Market) at $8.48 per share. | $18,944 |
| 13-Jun-08 | CREER FRANK Director | 7,704 | Direct | Sale at $8.47 - $8.49 per share. | $65,0002 |
| 13-Jun-08 | HELL KEVIN Officer | 9,375 | Direct | Option Exercise at $0 per share. | N/A |
| 13-Jun-08 | HELL KEVIN Officer | 3,351 | Direct | Disposition (Non Open Market) at $8.48 per share. | $28,416 |
| 13-Jun-08 | HALVORSON DAN L Officer | 6,250 | Direct | Option Exercise at $0 per share. | N/A |
| 13-Jun-08 | HALVORSON DAN L Officer | 2,234 | Direct | Disposition (Non Open Market) at $8.48 per share. | $18,944 |
| 2-Jun-08 | VASHISHT-ROTA JEROME JP Director | 13,244 | Indirect | Automatic Sale at $9.26 - $9.62 per share. | $125,0002 |
| 22-May-08 | VASHISHT-ROTA JEROME JP Director | 2,000 | Direct | Option Exercise at $1.80 per share. | $3,600 |
| 22-May-08 | VASHISHT-ROTA JEROME JP Director | 2,000 | Direct | Automatic Sale at $10 per share. | $20,000 |
| 19-May-08 | RICHTER DAVID J Officer | 1,460 | Direct | Automatic Sale at $9.33 - $9.5 per share. | $14,0002 |
| 1-May-08 | VASHISHT-ROTA JEROME JP Director | 16,794 | Indirect | Automatic Sale at $7.41 - $7.55 per share. | $126,0002 |
| 1-Apr-08 | VASHISHT-ROTA JEROME JP Director | 17,726 | Indirect | Automatic Sale at $7.05 - $7.13 per share. | $126,0002 |
| 14-Mar-08 | HALVORSON DAN L Officer | 7,000 | Direct | Purchase at $6.92 - $6.93 per share. | $48,0002 |
| 13-Mar-08 | ZONE VENTURE FUND II L P Director | 153,745 | Indirect | Acquisition (Non Open Market) at $0 per share. | N/A |
| 13-Mar-08 | ZONE VENTURE FUND II L P Director | 141,100 | Indirect | Disposition (Non Open Market) at $0 per share. | N/A |
| 13-Mar-08 | ZONE VENTURE FUND II L P Director | 705,500 | Direct | Disposition (Non Open Market) at $0 per share. | N/A |
| 13-Mar-08 | ZONE VENTURE FUND II L P Director | 153,745 | Indirect | Acquisition (Non Open Market) at $0 per share. | N/A |
| 13-Mar-08 | ZONE VENTURE FUND II L P Director | 141,100 | Indirect | Disposition (Non Open Market) at $0 per share. | N/A |
| 13-Mar-08 | ZONE VENTURE FUND II L P Director | 705,500 | Direct | Disposition (Non Open Market) at $0 per share. | N/A |
| 5-Mar-08 | VASHISHT-ROTA JEROME JP Director | 1,000 | Direct | Option Exercise at $1.80 per share. | $1,800 |
| 5-Mar-08 | VASHISHT-ROTA JEROME JP Director | 1,000 | Direct | Automatic Sale at $10 per share. | $10,000 |
| 3-Mar-08 | VASHISHT-ROTA JEROME JP Director | 2,000 | Indirect | Automatic Sale at $9.70 - $9.83 per share. | $20,0002 |
| 3-Mar-08 | VASHISHT-ROTA JEROME JP Director | 11,152 | Indirect | Automatic Sale at $9.38 - $9.69 per share. | $106,0002 |
| 1-Feb-08 | VASHISHT-ROTA JEROME JP Director | 14,080 | Indirect | Automatic Sale at $14.08 - $14.37 per share. | $200,0002 |
| 2-Jan-08 | VASHISHT-ROTA JEROME JP Director | 2,900 | Indirect | Automatic Sale at $13.72 - $14.05 per share. | $40,0002 |
| 2-Jan-08 | VASHISHT-ROTA JEROME JP Director | 11,851 | Indirect | Automatic Sale at $13.36 - $13.71 per share. | $160,0002 |
| 18-Dec-07 | ZONE VENTURE FUND II L P Director | 102,594 | Indirect | Acquisition (Non Open Market) at $0 per share. | N/A |
| 18-Dec-07 | ZONE VENTURE FUND II L P Director | 94,174 | Indirect | Disposition (Non Open Market) at $0 per share. | N/A |
| 18-Dec-07 | ZONE VENTURE FUND II L P Director | 470,300 | Direct | Disposition (Non Open Market) at $0 per share. | N/A |
| 18-Dec-07 | ZONE VENTURE FUND II L P Director | 102,594 | Indirect | Acquisition (Non Open Market) at $0 per share. | N/A |
| 18-Dec-07 | ZONE VENTURE FUND II L P Director | 94,174 | Indirect | Disposition (Non Open Market) at $0 per share. | N/A |
| 18-Dec-07 | ZONE VENTURE FUND II L P Director | 470,300 | Direct | Disposition (Non Open Market) at $0 per share. | N/A |
| 17-Dec-07 | GREENHALL R JORDAN Director | 3,900 | Indirect | Automatic Sale at $14.54 - $14.75 per share. | $57,0002 |
| 17-Dec-07 | GREENHALL R JORDAN Director | 6,100 | Indirect | Automatic Sale at $14 - $14.53 per share. | $87,0002 |
| 12-Dec-07 | GREENHALL R JORDAN Director | 32,258 | Indirect | Disposition (Non Open Market) at $0 per share. | N/A |
| 3-Dec-07 | GREENHALL R JORDAN Director | 4,801 | Indirect | Automatic Sale at $16.94 - $17 per share. | $81,0002 |
| 3-Dec-07 | GREENHALL R JORDAN Director | 31,199 | Indirect | Automatic Sale at $16.65 - $16.93 per share. | $524,0002 |
| 3-Dec-07 | VASHISHT-ROTA JEROME JP Director | 11,887 | Indirect | Automatic Sale at $16.76 - $17.04 per share. | $201,0002 |