| Penalties | Players | VS Club | Date | |
|---|---|---|---|---|
| 5 | Francesco Mazzariol | Glasgow Warriors | 26-09-1998 | Match details |
| 5 | Luca Pavin | Glasgow Warriors | 18-10-1998 | Match details |
| 3 | Francesco Mazzariol | Pontypridd | 31-10-1998 | Match details |
| 2 | Francesco Mazzariol | Pontypridd | 09-10-1998 | Match details |
| 2 | Corrado Pilat | Colomiers | 19-09-1998 | Match details |
| 1 | Cameron Rackham | Pontypridd | 09-10-1998 | Match details |
