Mogwai will play the NOS Stage on 11 July.

The new addition arrives two days after NOS Alive revealed Johnny Marr and Samm Henshaw will also be joining the 2019 lineup.

Mogwai share the bill with Gossip, The Cure, Robyn, Thom Yorke, Vampire Weekend, Bon Iver, Sharon Van Etten, Jorja Smith, IDLES, Hot Chip, and many others for the festival's 13th year.

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.

NOS Alive 2019 takes place 11-13 July in Lisbon, Portugal. Weekend tickets are on sale now from just €139.77. Find out more.