They are joined by band King Gizzard and the Lizard Wizard, singer-songwriter Mahalia and spoken word poet Kate Tempest.
Comedians added to the Suffolk festival's lineup include former Never Mind The Buzzcocks presenter Simon Amstell and veteran American performer Rich Hall.
Who else is playing?
The headliners for the 15th edition of the festival were announced earlier this year as electronic duo the Checmical Brothers, pop band Haim and former Oasis frontman Liam Gallagher.
They're joined by Michael Kiwanuka, Charli XCX and Keane.
Comedian Bill Bailey was also announced as the headlined comic for the event which takes place in July.
Speaking in the wake of the announcement, Snow Patrol said: “Snow Patrol are thrilled to perform our Reworked set (featuring 14 musicians no less) as special guests.
"Having played the first ever Latitude in 2006 we were gutted that injury forced us to cancel our headline slot last year. Thank you Latitude for giving us another chance to make it up.”
When does the festival take place?
Latitude Festival takes place at Henham Park Suffolk, from July 16 to July 19, 2020.
How much are tickets and where can I get them?
Tickets for the summer festival are already on sale and can be purchased at latitudefestival.com
An adult camping ticket costs £226.80 per person, while a teen tickets (aged 13-16) costs £156.60. A child's ticket (aged 5 -12) costs just £15.
Full list of music acts added
Anna MeredithAnnabel AllumBad SoundsBanksBlack PumasCate Le BonChloe MoriondoCity and ColourConfidence ManGhettsHindsJoesefKate TempestKing Gizzard and the Lizard WizardKing Kong CompanyLA PriestLa RouxLes Amazones D'AfriqueLola YoungLyraMahaliaMarthagunnMen I TrustMirra MayMiss GrittNadia RoseNubya GarciaOklouOscar JeromePorridge RadioPurity RingSorryStella DonnellyThe BethsTove Lo
Full list of arts acts added
Simon AmstellAbigola Schamaun (MC)Angela BarnesBirmingham Royal BalletBrian and RogerBritish Podcast Awards: Best Live Show WinnerChortle Student Comedy Award FinalistsFive Dials LaunchFlo and JoanFlo Perry: How To Have Feminist SexJayde AdamsJenny Eclair and Judith Holder: Older and WiderKate MosseKerry GodlimanLaura Dockrill: What Have I Done?Mark Kermode Live in 3DMy Mate Bought A ToasterOlga KochPatrick Barkham: Wild ChildPod Bible LiveRaynor Winn: The Wild SilenceRich HallSalon London present Gigantic: 300 Books You Won't Have to ReadSalon London: Don't Look Back In Anger: A History of Brit PopSecret Artists with Annie McGrathShazia MirzaSophie MacKintoshThe Poetry ExchangeThe Two Shot Podcast