| Date | Insider | Shares | Type | Transaction | Value* |
| 10-Sep-09 | ZHANG XIAOXIONG Beneficial Owner (10% or more) | 33,000 | Indirect | Sale at $2.50 - $2.59 per share. | $84,0002 |
| 9-Sep-09 | ZHANG XIAOXIONG Beneficial Owner (10% or more) | 45,000 | Indirect | Sale at $2.51 - $2.61 per share. | $115,0002 |
| 3-Aug-09 | ZHANG XIAOXIONG Beneficial Owner (10% or more) | 35,000 | Indirect | Sale at $3.49 - $3.66 per share. | $125,0002 |
| 31-Jul-09 | ZHANG XIAOXIONG Beneficial Owner (10% or more) | 25,000 | Indirect | Sale at $3.61 - $3.71 per share. | $92,0002 |
| 20-Jul-09 | ZHANG XIAOXIONG Beneficial Owner (10% or more) | 16,000 | Indirect | Sale at $3.13 - $3.16 per share. | $50,0002 |
| 17-Jul-09 | ZHANG XIAOXIONG Beneficial Owner (10% or more) | 34,000 | Indirect | Sale at $3.21 - $3.31 per share. | $111,0002 |
| 25-Jun-09 | ZHANG XIAOXIONG Beneficial Owner (10% or more) | 6,000 | Indirect | Sale at $3.19 - $3.22 per share. | $19,0002 |
| 24-Jun-09 | ZHANG XIAOXIONG Beneficial Owner (10% or more) | 30,000 | Indirect | Sale at $3.12 - $3.2 per share. | $95,0002 |
| 23-Jun-09 | KOPP LEROY C Beneficial Owner (10% or more) | 3,000,000 | Direct | Purchase at $3 per share. | $9,000,000 |
| 8-Jun-09 | KOPP LEROY C Beneficial Owner (10% or more) | 20,000 | Indirect | Purchase at $3.97 per share. | $79,400 |
| 3-Jun-09 | KOPP LEROY C Beneficial Owner (10% or more) | 35,000 | Direct | Purchase at $3.59 per share. | $125,650 |
| 2-Jun-09 | KOPP LEROY C Beneficial Owner (10% or more) | 25,000 | Indirect | Purchase at $3.42 per share. | $85,500 |
| 26-May-09 | KOPP LEROY C Beneficial Owner (10% or more) | 11,000 | Direct | Purchase at $3.75 per share. | $41,250 |
| 22-May-09 | KOPP LEROY C Beneficial Owner (10% or more) | 50,000 | Direct | Purchase at $3.67 per share. | $183,500 |
| 21-May-09 | KOPP LEROY C Beneficial Owner (10% or more) | 30,000 | Direct | Purchase at $3.57 per share. | $107,100 |
| 20-May-09 | KOPP LEROY C Beneficial Owner (10% or more) | 30,000 | Direct | Purchase at $3.53 per share. | $105,900 |
| 19-May-09 | KOPP LEROY C Beneficial Owner (10% or more) | 25,000 | Direct | Purchase at $3.28 per share. | $82,000 |
| 18-May-09 | VELLEQUETTE DAVID Director | 10,000 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A |
| 18-May-09 | LOCKTON JOHN D Director | 15,000 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A |
| 18-May-09 | HOROWITZ DENNIS Director | 10,000 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A |
| 18-May-09 | DAVIS LYNN J Director | 10,000 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A |
| 18-May-09 | KAPLAN MARTIN A Director | 10,000 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A |
| 18-May-09 | KOPP LEROY C Beneficial Owner (10% or more) | 13,000 | Direct | Purchase at $3.13 per share. | $40,690 |
| 15-May-09 | KOPP LEROY C Beneficial Owner (10% or more) | 50,000 | Direct | Purchase at $2.91 per share. | $145,500 |
| 14-May-09 | KOPP LEROY C Beneficial Owner (10% or more) | 56,000 | Direct | Purchase at $3 per share. | $168,000 |
| 13-May-09 | KOPP LEROY C Beneficial Owner (10% or more) | 92,000 | Direct | Purchase at $3.21 per share. | $295,320 |
| 12-May-09 | KOPP LEROY C Beneficial Owner (10% or more) | 31,000 | Direct | Purchase at $3.32 per share. | $102,920 |
| 11-May-09 | KOPP LEROY C Beneficial Owner (10% or more) | 62,000 | Direct | Purchase at $3.33 per share. | $206,460 |
| 8-May-09 | KOPP LEROY C Beneficial Owner (10% or more) | 43,000 | Direct | Purchase at $3.24 per share. | $139,320 |
| 6-May-09 | KOPP LEROY C Beneficial Owner (10% or more) | 36,000 | Direct | Purchase at $3.38 per share. | $121,680 |
| 6-May-09 | KOPP LEROY C Beneficial Owner (10% or more) | 885,400 | Direct | Statement of Ownership | N/A |
| 20-Jan-09 | GIUNTA THOMAS R Officer | 77,749 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A |
| 20-Jan-09 | SHELTON ADAM LEE Officer | 80,549 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A |
| 20-Jan-09 | WHITE TERRY ALAN Officer | 74,949 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A |
| 20-Jan-09 | JOHNSON ROBERT L /CA/ Officer | 79,261 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A |
| 20-Jan-09 | BUCHANAN WILLIAM JAMES Officer | 70,766 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A |
| 20-Jan-09 | HAMMOND ROBERT B Officer | 82,322 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A |
| 20-Jan-09 | QUIRAM JEFFREY A Officer | 157,629 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A |
| 28-Aug-08 | GIUNTA THOMAS R Officer | 1,500 | Direct | Purchase at $2.04 per share. | $3,060 |
| 28-Aug-08 | SHELTON ADAM LEE Officer | 1,000 | Direct | Purchase at $1.99 per share. | $1,990 |
| 28-Aug-08 | QUIRAM JEFFREY A Officer | 2,500 | Direct | Purchase at $1.95 per share. | $4,875 |
| 27-Aug-08 | BUCHANAN WILLIAM JAMES Officer | 2,000 | Direct | Purchase at $1.92 per share. | $3,840 |
| 28-Jul-08 | SHELTON ADAM LEE Officer | 6,778 | Direct | Disposition (Non Open Market) at $2.02 per share. | $13,691 |
| 28-Jul-08 | JOHNSON ROBERT L /CA/ Officer | 14,300 | Direct | Disposition (Non Open Market) at $2.02 per share. | $28,886 |
| 28-Jul-08 | HAMMOND ROBERT B Officer | 14,300 | Direct | Disposition (Non Open Market) at $2.02 per share. | $28,886 |
| 17-Mar-08 | GIUNTA THOMAS R Officer | 2,500 | Direct | Statement of Ownership | N/A |
| 27-Feb-08 | ZHANG XIAOXIONG Beneficial Owner (10% or more) | 2,148,296 | Indirect | Statement of Ownership | N/A |