Season ticket holders will receive further information in the post in the coming weeks and tickets for the quarter-final go on general sale on-line on February 25.
Due to the possibility of a home semi-final, fans are now also advised that priority will be given to supporters who attend and have a stub from the quarter-final here at Sixways.
EUROPEAN CHALLENGE CUP QUARTER-FINALS - (All kick-offs LOCAL time)
FRIDAY 4 APRIL
Sale Sharks v Brive 19.30
SATURDAY 5 APRIL
Bath Rugby v Leeds Carnegie 14.15
Worcester Warriors v Montpellier 15.00
Newcastle Falcons v Castres Olympique 20.00
The semi-final line-ups, with the winner of the first named quarter-final at home, will be:
Worcester Warriors or Montpellier v Newcastle Falcons or Castres Olympique
Bath Rugby or Leeds Carnegie v Sale Sharks or Brive