| Penalties | Club | VS Club | Date | |
|---|---|---|---|---|
| 6 | England | France | 07-02-1998 | Match details |
| 6 | Wales | Ireland | 21-03-1998 | Match details |
| 6 | Ireland | Scotland | 07-02-1998 | Match details |
| 5 | France | Ireland | 07-03-1998 | Match details |
| 5 | Scotland | France | 21-02-1998 | Match details |
| 5 | Wales | Scotland | 07-03-1998 | Match details |
| 4 | England | Ireland | 04-04-1998 | Match details |
| 3 | England | Scotland | 22-03-1998 | Match details |
| 2 | England | Wales | 21-02-1998 | Match details |
| 2 | France | Wales | 05-04-1998 | Match details |
