| 4-Jan-10 | Officer | HAYES DON A | Disposition (Non Open Market) at $45.16 per share. | D | 229 |
| 4-Jan-10 | Officer | PARKS ROBERT | Disposition (Non Open Market) at $45.16 per share. | D | 635 |
| 4-Jan-10 | Officer | GUIDRY BRAD | Disposition (Non Open Market) at $45.16 per share. | D | 249 |
| 4-Jan-10 | Officer | CROMLING JOHN | Disposition (Non Open Market) at $45.16 per share. | D | 261 |
| 4-Jan-10 | Officer | MERRILL DAVID T | Disposition (Non Open Market) at $45.16 per share. | D | 396 |
| 4-Jan-10 | Officer | SCHELL MARK E | Disposition (Non Open Market) at $45.16 per share. | D | 436 |
| 4-Jan-10 | Officer | PINKSTON LARRY D | Disposition (Non Open Market) at $45.16 per share. | D | 1,012 |
| 1-Jan-10 | Officer | GUIDRY BRAD | Disposition (Non Open Market) at $42.50 per share. | D | 149 |
| 1-Jan-10 | Officer | CROMLING JOHN | Disposition (Non Open Market) at $42.50 per share. | D | 157 |
| 1-Jan-10 | Officer | MERRILL DAVID T | Disposition (Non Open Market) at $42.50 per share. | D | 214 |
| 1-Jan-10 | Officer | SCHELL MARK E | Disposition (Non Open Market) at $42.50 per share. | D | 235 |
| 1-Jan-10 | Officer | PINKSTON LARRY D | Disposition (Non Open Market) at $42.50 per share. | D | 857 |
| 18-Dec-09 | Officer | PINKSTON LARRY D | Disposition (Non Open Market) at $0 per share. | D | 700 |
| 27-Nov-09 | Beneficial Owner (10% or more) | GEORGE KAISER FAMILY FOUNDATION | Purchase at $36.90 per share. | D | 2,800 |
| 11-Nov-09 | Director | HILDEBRAND STEVEN B | Purchase at $40.34 per share. | I | 1,000 |
