| # | Group 1 | MP | W | D | L | TP | Pts | Form |
|---|
| 1. | Leinster | 3 | 3 | 0 | 0 | 74:22 | 13 | |
| 2. | Northampton Saints | 3 | 2 | 0 | 1 | 92:106 | 10 | |
| 3. | Lyon | 3 | 0 | 0 | 3 | 50:92 | 1 | |
| 4. | Benetton | 3 | 0 | 0 | 3 | 39:94 | 0 | |
| # | Group 2 | MP | W | D | L | TP | Pts | Form |
|---|
| 1. | Exeter Chiefs | 3 | 2 | 1 | 0 | 84:63 | 12 | |
| 2. | Glasgow Warriors | 3 | 2 | 0 | 1 | 90:65 | 9 | |
| 3. | Stade Rochelais | 3 | 1 | 0 | 2 | 41:65 | 4 | |
| 4. | Sale Sharks | 3 | 0 | 0 | 3 | 40:78 | 2 | |
| # | Group 3 | MP | W | D | L | TP | Pts | Form |
|---|
| 1. | Clermont | 3 | 2 | 0 | 1 | 73:54 | 10 | |
| 2. | Ulster | 3 | 2 | 0 | 1 | 64:55 | 9 | |
| 3. | Harlequins | 3 | 1 | 0 | 2 | 70:97 | 5 | |
| 4. | Bath | 3 | 0 | 0 | 3 | 50:89 | 3 | |
| # | Group 4 | MP | W | D | L | TP | Pts | Form |
|---|
| 1. | Racing 92 | 3 | 1 | 1 | 1 | 85:67 | 8 | |
| 2. | Munster | 3 | 1 | 0 | 2 | 60:67 | 5 | |
| 3. | Saracens | 3 | 1 | 0 | 2 | 35:55 | 5 | |
| 4. | Ospreys | 3 | 0 | 0 | 3 | 36:117 | 1 | |
| # | Group 5 | MP | W | D | L | TP | Pts | Form |
|---|
| 1. | Stade Toulousain | 3 | 3 | 0 | 0 | 72:45 | 13 | |
| 2. | Gloucester | 3 | 0 | 0 | 3 | 65:92 | 3 | |
| 3. | Connacht | 3 | 0 | 0 | 3 | 63:93 | 2 | |
| 4. | Montpellier | 3 | 0 | 0 | 3 | 35:75 | 1 | |
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