They will play Saracens at Twickenham in a replay of last year's showpiece.
Result: Northampton Saints secure playoff showdown with Exeter Chiefs despite defeatSaints secured a first top-four finish since 2015 after closest challengers Harlequins lost narrowly to Wasps.
May 18, 18:25
Haskell broke down in tears when telling Northampton teammates plan to retireThe 34-year-old has decided to end a decorated 77-cap career that began at Wasps in 2002.
May 7, 22:00
England international James Haskell to retire at end of seasonThe 34-year-old has struggled with injuries this season.
May 7, 10:16
Result: Northampton beat Worcester to climb back into playoff placesTaqele Naiyaravoro scored a pair of tries for the Saints.
May 4, 17:29
Result: Northampton Saints put Newcastle Falcons on brink of relegationTom Collins scored a hat-trick, while Dan Biggar kicked four goals and a penalty as Northampton eased to victory.
Apr 26, 23:04
Result: Atkinson hat-trick helps Gloucester beat Northampton in thrillerThe victory moves third-placed Gloucester 11 points ahead of fifth-placed Sale.
Apr 7, 17:33
Northampton Saints chief expecting playoff race to be decided on final dayNorthampton take on Gloucester in the Gallagher Premiership on Sunday.
Apr 6, 15:21
Result: Northampton Saints plunge Leicester Tigers into further troubleThe Tigers had Mike Williams and Dan Cole yellow-carded in either period as a poor display left them in relegation danger.
Mar 22, 22:35
Result: O'Connor and Madigan late show sees Bears beat SaintsAn added-time try and conversion boosted Bristol beyond Northampton.
Mar 9, 16:57
Result: Saracens pile misery on NorthamptonSean Maitland scored two tries.
Mar 2, 17:04
Result: Northampton impress in win at WorcesterHome side had no answer.
Dec 21, 21:59
Result: Northampton inflict more misery on WaspsThe Saints ran in five tries at Franklin's Gardens.
Nov 17, 15:28
James Haskell joins Northampton Saints from WaspsNorthampton Saints sign flanker James Haskell from Wasps on a one-year deal.
May 14, 14:07
Stephen Myler to leave Northampton Saints at end of seasonNorthampton Saints announce that Stephen Myler will leave the club at the end of the season.
Mar 23, 20:00
Wales wing George North "disciplined" by Northampton Saints for missing trainingNorthampton Saints confirm that Wales wing George North has been "disciplined internally" for missing a training session before their game against Sale on March 3.
Mar 20, 20:23
Jim Mallinder praises "exceptional" Saracens after defeat at Franklin's GardensJim Mallinder concedes that Saracens "are a better side" than Northampton Saints after his team went down 57-13 in their European Rugby Champions Cup opener.
Oct 15, 22:10
Dylan Hartley pens new Northampton Saints deal and is reappointed captainNorthampton Saints announce that England captain Dylan Hartley has signed a new contract with the Premiership side and has been reappointed as their skipper.
Jul 19, 22:09
Joe Marchant, Paul Hill out of England's tour to ArgentinaHarlequins ace Joe Marchant and Northampton Saints prop Paul Hill pull out of England's squad for the upcoming Argentina tour due to toe and neck injuries respectively.
May 23, 22:22
Wasps trio up for RPA Players' Player of the Year awardElliot Daly, Jimmy Gopperth, Christian Wade, Owen Farrell and Louis Picamoles are in the running to be crowned the Rugby Players' Association Players' Player of the Year.
May 3, 13:49
Northampton Saints give 11 players new dealsNorthampton Saints announce new deals for 11 players from its senior squad, including Christian Day, Luther Burrell and Ken Pisi.
Feb 24, 09:36