Ulster scored five tries as they began their Pro14 campaign with a convincing 38-14 bonus-point victory over Ospreys.
Dan Evans' early try moved Ospreys 8-0 ahead but scores from Craig Gilroy, Greg Jones and Matt Faddes helped Ulster to a 21-14 lead by half-time.
Gilroy crossed again after the break, with the hosts also awarded a penalty try which saw wing Luke Morgan sent off for a second yellow card offence.
Ulster's John Cooney kicked 11 points, Luke Price three penalties for Ospreys.
More to follow.
Ulster: Faddes; Gilroy, Marshall, Hume, Lyttle; Burns, Cooney; McGrath, Herring (Capt), O'Toole, Treadwell, Carter, Rea, Murphy, Reidy.
Replacements: Andrew, O'Sullivan, Kane, O'Connor, Jones, Shanahan, Lowry, Ludik.
Ospreys: D Evans; Morgan, Williams, Allen, Giles; Price, Aubrey; R Jones, S Parry, T Botha, L Ashley, J King, D Lydiate, O Cracknell, G Evans.
Replacements: Otten, Thomas, Gajion, Cross, Baker, Morgan-Williams, Evans, Thomas-Wheeler.
Referee: Marius Mitrea (Italy).
Assistant referee: Sean Gallagher (Ireland), AR2: Andrea Piardi (Italy).
TMO: Stefano Penne (Italy).