South African recruits Johann Muller and Pedrie Wannenburg will make their debuts for Ulster in a pre-season match against Bath at Ravenhill on Friday night.
Centre Luke Marshall, who captained Leinster/Ulster U20s to a memorable victory at the Aviva Stadium recently, has also been included in the province's extended panel.
Ulster are also due to face Harlequins at the Stoop on Saturday, August 21 (kick-off 2.30pm) and Leeds Carnegie back in Belfast on Thursday, August 26 (kick-off 7.30pm).
Tickets for the Bath game are available to pre-purchase from www.ulsterrugby.com or the Ravenhill Ticket Office, alternatively tickets will also be on sale at the gates on match night.
Gates will open at 6pm.
ULSTER Squad (v Bath) - Backs (11): Darren Cave, Ian Humphreys, Paul Marshall, Luke Marshall, Mark McCrea, Niall O'Connor, Ian Porter, Tommy Seymour, Jamie Smith, Nevin Spence, Ian Whitten.
Forwards (14): Thomas Anderson, Tim Barker, Nigel Brady, Ryan Caldwell, Robbie Diack, Willie Faloon, Declan Fitzpatrick, Andi Kyriacou, Adam Macklin, Johann Muller, Paddy McAllister, Neil McComb, Pedrie Wannenburg, Bryan Young.