| Transaction Date | Filer | Title | Filing | Transaction Type | Shares Traded | Price | Total Held* |
|---|---|---|---|---|---|---|---|
| 05/18/06 |
Vice President of Operations
|
Vice President of Operations | Form 4 | Open market or private sale of non-derivative or derivative security | 6,250 | $29.86 | 73,750 |
| 12/07/05 |
Vice President of Operations
|
Vice President of Operations | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 30,000 | -- | 80,000 |
| 09/09/05 |
Vice President of Operations
|
Vice President of Operations | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 30,000 | $18.20 | 80,000 |
| 09/09/05 |
Vice President of Operations
|
Vice President of Operations | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 25,000 | $6.42 | 105,000 |
| 09/09/05 |
Vice President of Operations
|
Vice President of Operations | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 55,000 | $30.35 | 50,000 |
| 09/09/05 |
Vice President of Operations
|
Vice President of Operations | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 25,000 | -- | -- |
| 09/09/05 |
Vice President of Operations
|
Vice President of Operations | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 30,000 | -- | -- |
| 03/03/05 |
Vice President of Operations
|
Vice President of Operations | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 13,000 | $9.20 | 63,000 |
| 03/03/05 |
Vice President of Operations
|
Vice President of Operations | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 25,000 | $8.88 | 88,000 |
| 03/03/05 |
Vice President of Operations
|
Vice President of Operations | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 38,000 | $27.78 | 50,000 |
* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.