SLIPKNOT, PAPA ROACH, ALTER BRIDGE, HELMET, ROSE TATTOO, SICK OF IT ALL, KREATOR, MASTODON and ARCH ENEMY have been confirmed for the Graspop Metal Meeting festival, set to take place June 24-26 in Dessel, Belgium. Meanwhile, MADBALL have cancelled their appearance at the festival. The billing for the 10th-anniversary edition of the the Graspop Metal Meeting is shaping up as follows:

ACCEPT
ALTER BRIDGE
AMON AMARTH
ARCH ENEMY
AXEL RUDI PELL
BEHEMOTH
BULLET FOR MY VALENTINE
CALIBAN
CEPHALIC CARNAGE
CHIMAIRA
DARK TRANQUILLITY
DIO
DREAM THEATER
ENSIFERUM
ENSLAVED
GRAVE DIGGER
H20
HELMET
IMMOLATION
IN FLAMES
IRON MAIDEN
KREATOR
LACUNA COIL
MASTODON
METAL CHURCH
MURPHY'S LAW
NEVERMORE
NUCLEAR ASSAULT
OCEANS OF SADNESS
PAPA ROACH
PRIMAL FEAR
ROSE TATTOO
SAMAEL
SICK OF IT ALL
SLAYER
SLIPKNOT
SOILWORK
SUICIDAL TENDENCIES
SYSTEM OF A DOWN
WITHIN TEMPTATION
YNGWIE MALMSTEEN

Source:blabbermouth.net