| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| 0 | 3 | - | - | 0 | |
| Frank Murphy | 3 | 1 | - | - | 3 |
| Jaco Peyper | 4 | 1 | - | - | 4 |
| Adrien Descottes | 5 | 1 | - | - | 5 |
| Cedric Marchat | 5 | 1 | - | - | 5 |
| George Clancy | 6 | 1 | - | - | 6 |
| Nigel Owens | 8 | 1 | - | - | 8 |
| Laurent Cardona | 8 | 1 | - | - | 8 |
| Romain Poite | 10 | 1 | - | - | 10 |
P = Matches played,
C = Cards .