The likes of Rival Schools and Jimmy Eat World also join the party...
Other new additions across the weekend include New Found Glory, Sahara Hotnights, Raging Speedhorn and The Dillinger Escape Plan.
New additions on the Dance Stage are Herbaliser and Blade.
Tickets are priced £90 plus booking fee for the weekend, including camping and parking. Day tickets are priced £39 plus booking fee. For tickets call the NME Ticketline on 0870 1 663 663. Calls are charged at national standard rate.