Paul Marshall, Callum Black and Iain Henderson, who all started last week, are named as substitutes for the game.
Tighthead prop, John Afoa, was unavailable for selection, having failed to recover from the hamstring injury that he sustained against Cardiff.
Ulster finished top of the RaboDirect PRO12 table and qualified for a play-off for the first time in two years.
Mark Anscombe's side will play the Scarlets for a final place. The Welsh region finished fourth in the league and will make their first appearance in the play-offs tomorrow night.
The game will mark the end of an era at Ravenhill as Ulster fans bid farewell to the ground's historic grandstand.
It opened on 12th January 1924 and has witnessed almost 90 years of Ulster rugby. Demolition work will begin on the stand next week as part of the ongoing £14.7 million redevelopment of the ground.
Ulster XV and replacements to face Scarlets, RaboDirect PRO12 play-off, Ravenhill, Friday 10th May 2013 (kick off 19.45);
(15-9): J Payne, A Trimble, D Cave, S Olding, T Bowe, P Jackson, R Pienaar; (1-8) T Court, R Best, D Fitzpatrick, J Muller (C), D Tuohy, R Diack, C Henry, N Williams; Replacements (16-23): R Herring, C Black, R Lutton, I Henderson, M McComish, P Marshall, M Allen, P Nelson.
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