| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Steve Walsh | 8 | 2 | - | - | 4 |
| David Pearson (Eng) | 14 | 2 | - | - | 7 |
| Romain Poite | 17 | 2 | - | - | 8.5 |
| Greg Garner | 17 | 2 | - | - | 8.5 |
| Ben Whitehouse | 1 | 1 | - | - | 1 |
| Jonathan Kaplan | 3 | 1 | - | - | 3 |
| Mark Wilson (Eng) | 4 | 1 | - | - | 4 |
| Martin Fox (Eng) | 7 | 1 | - | - | 7 |
| Luke Pearce | 7 | 1 | - | - | 7 |
| Chris White (Eng) | 12 | 1 | - | - | 12 |
| Andrew Small | 14 | 1 | - | - | 14 |
| Nigel Owens | 17 | 1 | - | - | 17 |
| JP Doyle | 24 | 1 | - | 1 | 12 |
| Wayne Barnes (Eng) | 15 | - | - | 1 | 15 |
| Jerome Garces | 16 | - | - | 1 | 16 |
P = Matches played,
C = Cards .