Irish band Halite has been added to the line-up for this year's concert at Slane Castle on Tuesday 23 August.
The band, fronted by former Therapy? drummer Graham Hopkins, joins a bill which already includes the Red Hot Chili Peppers, the Foo Fighters and Queens of the Stone Age.
Hailte's first release, the single 'Underneath The World', will be available from 23 May with an album, 'Head On', due out on 13 June.
The band will also play alongside Christy Moore and The Frames at the Lisdoonvarna event in Co Clare on Saturday, June 28.