1 Northampton Saints
2 Cardiff Blues
3 Gloucester Rugby
The semi finals will be played on Sunday, March 14 as follows:
Northampton Saints (1) v Saracens (4) at Franklin's Gardens
Cardiff Blues (2) v Gloucester Rugby (3) at Cardiff City Stadium
The order of the semi finals (12:15 and 16:15) will be determined after consultation with broadcasters Sky Sports.