| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| VPHM | VP, General Counsel | Jan 24, 2014 | Option Exercise | $50.00 | 110,768 | 5,538,400 | 0 | Jan 28, 2014, 08:58 PM |
| VPHM | VP, General Counsel | Jan 17, 2014 | Option Exercise | $11.39 | 69,785 | 794,817 | 110,768 | Jan 21, 2014, 11:44 AM |
| VPHM | VP, General Counsel | Dec 18, 2013 | Option Exercise | $49.74 | 59,696 | 2,969,279 | 40,983 | Dec 20, 2013, 04:07 PM |
| VPHM | VP, General Counsel | Dec 18, 2013 | Option Exercise | $14.65 | 100,227 | 1,468,392 | 48,403 | Dec 20, 2013, 04:07 PM |
| VPHM | VP, General Counsel | Dec 03, 2012 | Option Exercise | $3.14 | 18,000 | 56,520 | 18,000 | Dec 05, 2012, 04:10 PM |
| VPHM | VP, General Counsel | Dec 03, 2012 | Sale | $24.85 | 18,000 | 447,257 | 0 | Dec 05, 2012, 04:10 PM |
| VPHM | VP, General Counsel | Nov 07, 2011 | Option Exercise | $2.44 | 12,250 | 29,890 | 12,250 | Nov 09, 2011, 04:13 PM |
| VPHM | VP, General Counsel | Nov 07, 2011 | Sale | $21.08 | 12,250 | 258,194 | 0 | Nov 09, 2011, 04:13 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| VPHM | VP, General Counsel | Jan 24, 2014 | Option Exercise | 5,538,400 |
| VPHM | VP, General Counsel | Jan 17, 2014 | Option Exercise | 794,817 |
| VPHM | VP, General Counsel | Dec 18, 2013 | Option Exercise | 2,969,279 |
| VPHM | VP, General Counsel | Dec 18, 2013 | Option Exercise | 1,468,392 |
| VPHM | VP, General Counsel | Dec 03, 2012 | Option Exercise | 56,520 |
| VPHM | VP, General Counsel | Dec 03, 2012 | Sale | 447,257 |
| VPHM | VP, General Counsel | Nov 07, 2011 | Option Exercise | 29,890 |
| VPHM | VP, General Counsel | Nov 07, 2011 | Sale | 258,194 |