Up front, Ronan Loughney returns to the front row and team captain John Muldoon starts again at number 8, while Ray Ofisa moves to the openside flank position.
Supporters should note that the RBS 6 Nations and Triple Crown trophies will be present at the Sportsground on match night.
The two pieces of prized silverware will be paraded at half-time and will be on view afterwards at the Days Hotel.
CONNACHT (v Ulster): Troy Nathan; Fionn Carr, Gavin Duffy, Keith Matthews, Liam Bibo; Ian Keatley, Frank Murphy; Brett Wilkinson, Sean Cronin, Ronan Loughney, Michael Swift, Andrew Farley, Andrew Browne, Ray Ofisa, John Muldoon (capt).
Replacements: Adrian Flavin, Brian McGovern, David Gannon, Colm Rigney, Conor O'Loughlin, Andy Dunne, Mel Deane.