The Kooks are among the latest acts confirmed for Germany's Rock am Ring 2011 and Rock im Park 2011 festivals, which will both run from 3-5 June at Nurburgring in The Eifel and Nuremberg, Bavaria, respectively.
Wolfmother, Söhne Mannheims, 3 Doors Down and Disturbed have also been added to the events, which both share the same line-up.
Rob Zombie, White Lies and …And You Know Us By The Trail Of Dead will play too.
System Of A Down, Coldplay and Kings Of Leon will headline both festivals this summer.
Organisers have announced that only 20,000 tickets remain for the events.
Rock am Ring and Rock im Park tickets are on sale now priced at 150 Euros.