Funeral For A Friend, Corrosion of Conformity, Carcass and RealSoundsOK favourite 36 Crazyfists [Get in! - Ed] are among 27 acts joining an already stellar line-up.
FFAF singer Matthew Davies-Kreye said: "Download is a festival very close to our hearts and we're thrilled to have been invited back this year alongside some amazing bands."
They will be joined by Yellowcard, Suicidal Tendencies, Lacuna Coil, Krokodil, Antemasque, Three Days Grace, Malefice, The Wild Lies, Upon A Burning Body, September Mourning, Von Hertzen Brothers and The Qemists.
Colour of Noise. LTNT, Blue Pills, Fidlar, Get Hot, Chunk! No Captain Chunk!, E of E, The Struts, Like A Storm, The Cadillac Three and The Lounge Kittens make up the new additions.
The festival takes place June 12-14 at Donington Park and will be headlined by Slipknot, Muse and Kiss with main support from Judas Priest, Faith No More and Motley Crue with Marilyn Manson, Slash, Enter Shikari, Five Finger Death Punch, Black Stone Cherry and A Day To Remember also on the bill.
For more information - including day splits and ticketing - visit downloadfestival.co.uk