Latest additions, The Rapture, Ladytron, Kinese and The Applicators will play on the Radio 1 stage at the Reading and Leeds festival on 22 August.
These new additions join the growing line-up now including Alien Ant Farm, OkGo, Mull Historical Society,
Godsmack, The Streets, Serafin, Saves The Day, and headliners White Stripes and Metallica.