They will join Bloc Party, Santogold in Miami
Booka Shade, Richie Hawtin, Perry Farrell, Late Of The Pier and The Whip have also been added to the bill, joining Bloc Party, The Ting Tings, Santogold, Crystal Castles, The Presets, Simian Mobile Disco, Hercules And Love Affair and more.
Roni Size & Reprazent will also perform, making their first US appearance in seven years.
The festival is part of the 24th annual Winter Music Conference at Bicentennial Park in downtown Miami, and will take place on March 27 and 28.
Tickets are currently available via www.ultramusicfestival.com.
–By our New York staff.