The Sheffield indie band will preview material from their highly anticipated third studio album at the weekend events.
According to the group's official website, they will play Leeds on Friday, August 28 and Reading on Saturday, August 29.
Reading and Leeds take place on August 28, 29 and 30.
Full lineup details for the festivals will be revealed at 7pm tonight. Tickets go on sale at the same time.
Other acts rumoured to be playing the event include Radiohead, Kings of Leon, Glasvegas, Doves, Kaiser Chiefs and Maximo Park.