Teams have been anounced, there's 2 changes for the Scarlets with Deacon Manu replacing Craig Dunlea at tight-head prop and Barry Davies is in for Ceiron Thomas at full-back. Ulster make 1 enforced change with Tommy Bowe out with a hamstring injury that he picked up last weekend.
Llanelli Scarlets: 15. Barry Davies, 14. Dafydd James, 13. Regan King, 12. Gavin Evans, 11. Mark Jones, 10. Stephen Jones, 9. Dwayne Peel, 1. Iestyn Thomas, 2. Matthew Rees, 3. Deacon Manu, 4. Vernon Cooper, 5. Inoke Afeaki, 6. Simon Easterby, 7. Gavin Thomas, 8. Alix Popham,
16. Aled Gravelle, 17. Craig Dunlea, 18. Adam M Jones, 19. Nathan Thomas, 20. Clive Stuart-Smith, 21. Ceiron Thomas, 22. Matthew Watkins,
Ulster: 15. Bryn Cunningham, 14. Andrew Maxwell, 13. Paul Steinmetz, 12. Paddy Wallace, 11. Andrew Trimble, 10. David Humphreys, 9. Issac Boss, 1. Justin Fitzpatrick, 2. Rory Best, 3. Bryan Young, 4. Justin Harrison, 5. Matt McCullough, 6. Neil Best, 7. Stephen Ferris, 8. Roger Wilson,
16. Paul Shields, 17. Simon Best, 18. Tim Barker, 19. Kieron Dawson, 20. Kieran Campbell, 21. Kevin Maggs, 22. Scott Young,