| Date | Insider | Shares | Transaction | Value* |
| 31-Mar-08 | SILVER JACK Beneficial Owner (10% or more) | 2,141,250 | Option Exercise at $5 per share. | $10,706,250 |
| 27-Feb-08 | JLF OFFSHORE FUND LTD Beneficial Owner (10% or more) | 856,421 | Option Exercise at $0 - $5 per share. | N/A |
| 27-Feb-08 | JLF OFFSHORE FUND LTD Beneficial Owner (10% or more) | 975,179 | Option Exercise at $5 per share. | $4,875,895 |
| 27-Feb-08 | JLF OFFSHORE FUND LTD Beneficial Owner (10% or more) | 48,230 | Acquisition (Non Open Market) | N/A |
| 27-Feb-08 | JLF OFFSHORE FUND LTD Beneficial Owner (10% or more) | 55,900 | Acquisition (Non Open Market) | N/A |
| 26-Feb-08 | SILVER JACK Beneficial Owner (10% or more) | 83,330 | Acquisition (Non Open Market) | N/A |
| 30-Jan-08 | JLF OFFSHORE FUND LTD Beneficial Owner (10% or more) | 12,596 | Purchase at $0 - $14.21 per share. | N/A |
| 30-Jan-08 | JLF OFFSHORE FUND LTD Beneficial Owner (10% or more) | 16,404 | Purchase at $14.21 per share. | $233,100 |
| 28-Jan-08 | JLF OFFSHORE FUND LTD Beneficial Owner (10% or more) | 8,115 | Purchase at $0 - $14.71 per share. | N/A |
| 28-Jan-08 | JLF OFFSHORE FUND LTD Beneficial Owner (10% or more) | 10,580 | Purchase at $14.71 per share. | $155,631 |