| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 09/26/2012 | MWI Veterinary Supply, Inc. | MWIV | Grant | Common Stock, par value $0.01 per share | 1.8k | $0.00 | $0 | | 09/26/2012 |
| 09/26/2012 | MWI Veterinary Supply, Inc. | MWIV | Payment of Exercise | Common Stock, par value $0.01 per share | 455 | $105.90 | $48.2k | | 09/26/2012 |
| 02/24/2012 | MWI Veterinary Supply, Inc. | MWIV | Sale | Common Stock, par value $0.01 per share | 439 | $88.26 | $38.7k | | 02/24/2012 |
| 02/24/2012 | MWI Veterinary Supply, Inc. | MWIV | Exercise | Employee Stock Option (right to buy) | 439 | $0.18 | $79.8 | | 02/24/2012 |
| 09/26/2010 | MWI Veterinary Supply, Inc. | MWIV | Payment of Exercise | Common Stock, par value $0.01 per share | 88 | $57.37 | $5k | | 09/24/2010 |
| 09/24/2010 | MWI Veterinary Supply, Inc. | MWIV | Payment of Exercise | Common Stock, par value $0.01 per share | 177 | $57.37 | $10.2k | | 09/24/2010 |
| 09/24/2010 | MWI Veterinary Supply, Inc. | MWIV | Grant | Common Stock, par value $0.01 per share | 2k | $0.00 | $0 | | 09/24/2010 |
| 09/21/2010 | MWI Veterinary Supply, Inc. | MWIV | Exercise | Employee Stock Option (right to buy) | 6.6k | $0.18 | $1.2k | | 09/20/2010 |
| 09/21/2010 | MWI Veterinary Supply, Inc. | MWIV | Exercise | Employee Stock Option (right to buy) | 3.1k | $0.18 | $561.4 | | 09/20/2010 |
| 09/21/2010 | MWI Veterinary Supply, Inc. | MWIV | Sale | Common Stock, par value $0.01 per share | 9.7k | $57.50 | $557.8k | | 09/20/2010 |
| 09/20/2010 | MWI Veterinary Supply, Inc. | MWIV | Sale | Common Stock, par value $0.01 per share | 3.8k | $57.50 | $218.5k | | 09/20/2010 |
| 09/20/2010 | MWI Veterinary Supply, Inc. | MWIV | Exercise | Employee Stock Option (right to buy) | 3.8k | $0.18 | $690.8 | | 09/20/2010 |
| 08/02/2010 | MWI Veterinary Supply, Inc. | MWIV | Sale | Common Stock, par value $0.01 per share | 1.5k | $53.95 | $80.9k | | 08/02/2010 |
| 08/02/2010 | MWI Veterinary Supply, Inc. | MWIV | Exercise | Employee Stock Option (right to buy) | 1.5k | $0.18 | $272.7 | | 08/02/2010 |
| 05/03/2010 | MWI Veterinary Supply, Inc. | MWIV | Exercise | Employee Stock Option (right to buy) | 2k | $0.18 | $363.6 | | 05/03/2010 |
| 05/03/2010 | MWI Veterinary Supply, Inc. | MWIV | Sale | Common Stock, par value $0.01 per share | 2k | $42.12 | $84.2k | | 05/03/2010 |