Ubisoft has announced that the Splinter Cell: Conviction Insurgency Pack will be released on 27th May.
This will cost 800 Microsoft Points (£6.80/9.60) on Xbox 360. The PC price is "yet to be confirmed".
The Insurgency Pack offers new missions for Archer and Kestrel on four new maps in Deniable Ops. Play in the San Francisco docks, a New Orleans cemetery, a Portland prison and a hidden research complex in Salt Lake City.
Plus, there are new Achievements and 250 gamerpoints on offer.