The Oxford heroes will top the bill on the Sunday of the event, and lead a new batch of acts joining the line-up.
Other new names include Slaves, Easy Life, Mabel, Sea Girls, Sam Fender, Plan B, Jax Jones & Martin Solveig, Razorlight, Bugzy Malone, Dermot Kennedy, Claude Von Stroke, Grace Carter, Ibibio Sound Machine, Artful Dodger, Caravana Sun and House Gospel Choir.
They join the likes of Saturday headliner Florence + The Machine as well as Giggs, Dizzee Rascal, Jorja Smith, Franz Ferdinand, DJ EZ, Wilkinson B2B Sub Focus, Idles, Michael Franti & Spearhead and Ocean Wisdom.
Bordmasters takes place in Newquay, Cornwall between 7th and 11th August. Tickets are on sale now.