Nick Williams has signed a two-year extension to his contract at Ulster which keeps him at Ravenhill until 2016.
Returning Lions Tommy Bowe and Rory Best made the perfect return to Ulster colours as the hosts beat Treviso 32-13.
Sam Warburton will make his first appearance of the season for Cardiff against Leinster after recovering from injury.
Paddy Jackson starred for Ulster with 13 second-half points helping the visitors beat Irish rivals Connacht 18-7.
Geoff Cross and Aleki Lutui will start their first Edinburgh match of the season against Ospreys at the Liberty Stadium.
James Eddie scored a converted try with the last move of the game as Glasgow sealed a rare 13-12 victory over Ulster.
Round two of RaboDirect Pro12 begins with four Friday fixtures featuring Munster, Cardiff Blues, Ulster and the Dragons.
The Dragons picked up an impressive 15-8 victory over Ulster in their RaboDirect PRO12 opener at Rodney Parade.
Dan Tuohy has avoided being cited for the high tackle that hospitalised England fly-half Toby Flood.
Reigning champions Leinster face the Scarlets in one of three RaboDirect PRO12 matches taking place on Friday night.
Ulster wing Tommy Bowe has been ruled out for up to six weeks after undergoing surgery on a wrist injury.
We preview the new season and Paul Wallace gives his verdict on the teams in the RaboDirect PRO12.
Ulster and Ireland wing Tommy Bowe could miss the first three months of the season with a wrist injury.
Ireland flanker Stephen Ferris has signed a six-month contract extension that will see him remain at Ulster for 2013.
Exeter Chiefs will face the Heineken Cup champions for the second successive season after they were drawn with Toulon.
Leinster gave Joe Schmidt the perfect farewell as they beat Ulster 24-18 to win the RaboDirect PRO12 title.
Joe Schmidt was a proud man after seeing Leinster clinch the RaboDirect PRO12 title with a 24-18 victory over Ulster.
Leinster out to hand Joe Schmidt, Jonathan Sexton and Isa Nacewa the perfect send-off in the PRO12 final against Ulster.
Ulster have bolstered their front-row options with the signing of New Zealand-born prop Bronson Ross from Coventry.
Ulster centre Luke Marshall has signed a new three-year deal that will keep him at the province until 2016.