Thom Yorke will bring his solo set to Portugal's Sagres Stage on the last day of the festival, performing with producer Nigel Godrich and visual artist Tarik Barri. Yorke will perform tracks from his solo offerings The Eraser, Tommorrow's Modern Boxes, and Atoms for Peace's AMOK album.
NOS Alive has already confirmed performances from The Cure, Smashing Pumpkins, and Tash Sultana.
Last year's NOS Alive saw performances from the likes of Perfume Genius, Nine Inch Nails, The National, Friendly Fires, Sampha, Khalid, and a brilliant bunch of homegrown talent. Check out our guide to NOS Alive 2018.