Ulster have signed utility back Mark Bartholomeusz on a two-year contract from English Premiership side Saracens.
The 28-year-old, who has one full cap for Australia, will line up for the province next season. He joined Sarries in September 2003 from Super 12 side ACT Brumbies.
Ulster have also awarded prop Bryan Young a three-year deal, while Kevin Maggs has extended his Ravenhill contract by a further season.