| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| WFR | VP, Controller and PAO | Aug 08, 2011 | Buy | $5.31 | 1,195 | 6,345 | 26,785 | Aug 09, 2011, 04:12 PM |
| WFR | VP, Controller and PAO | Aug 08, 2011 | Option Exercise | $5.31 | 1,195 | 6,345 | 26,785 | Aug 09, 2011, 07:56 AM |
| WFR | Principal Accounting Officer | Jan 23, 2011 | Option Exercise | $11.25 | 897 | 10,091 | 21,588 | Jan 25, 2011, 05:37 PM |
| WFR | Principal Accounting Officer | Aug 05, 2010 | Buy | $9.54 | 1,145 | 10,923 | 1,145 | Aug 05, 2010, 05:32 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| WFR | VP, Controller and PAO | Aug 08, 2011 | Buy | 6,345 |
| WFR | VP, Controller and PAO | Aug 08, 2011 | Option Exercise | 6,345 |
| WFR | Principal Accounting Officer | Jan 23, 2011 | Option Exercise | 10,091 |
| WFR | Principal Accounting Officer | Aug 05, 2010 | Buy | 10,923 |