| Transaction Date | Filer | Title | Filing | Transaction Type | Shares Traded | Price | Total Held* |
|---|---|---|---|---|---|---|---|
| 02/28/15 |
VP of Exploration
|
VP of Exploration | Form 4 | Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) | 11,813 | -- | 40,206 |
| 02/20/15 |
VP of Exploration
|
VP of Exploration | Form 4 | Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3 | 330 | $6.15 | 52,019 |
| 01/01/15 |
VP of Exploration
|
VP of Exploration | Form 4 | Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3 | 2,198 | $6.81 | 52,349 |
| 12/31/14 |
VP of Exploration
|
VP of Exploration | Form 5 | Discretionary transaction in accordance with Rule 16b-3(f) resulting in acquisition or disposition of issuer securities | 2,906 | $15.35 | 54,547 |
| 02/20/14 |
VP of Exploration
|
VP of Exploration | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 3,751 | -- | 51,641 |
| 02/05/14 |
VP of Exploration
|
VP of Exploration | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 32 | -- | 47,890 |
| 01/15/14 |
VP of Exploration
|
VP of Exploration | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 1,449 | -- | 47,858 |
| 12/31/13 |
VP of Exploration
|
VP of Exploration | Form 5 | Discretionary transaction in accordance with Rule 16b-3(f) resulting in acquisition or disposition of issuer securities | 2,769 | $16.71 | 46,409 |
| 12/31/12 |
VP of Exploration
|
VP of Exploration | Form 5 | Discretionary transaction in accordance with Rule 16b-3(f) resulting in acquisition or disposition of issuer securities | 119 | $16.21 | 43,640 |
| 12/13/12 |
VP of Exploration
|
VP of Exploration | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 5,435 | -- | 43,760 |
* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.