The new act will be joining already confirmed bill-toppers, Elton John and Snoop Dogg.
The remarkable thing about Boardmasters is how well it works.
He'll play five dates in total, kicking off in Brighton.
They're joining the likes of Wiz Khalifa, Neon Indian, Gogol Bordello and David Guetta on the bill.
Cook doesn’t rely on well-known samples for his sound.