It's a sad day for their fans.
Sum 41 Announces They're Breaking Up
PHOTOS: The Offspring & Sum 41 Bring 'Let the Bad Times Roll' Tour to Michigan
Why Did Sum 41 Break Up? Pop-Punk Canadians Called It Quits
Hit 90s rock band announces they're breaking up after 27 years together- and fans are devastated
Hit 90s rock band announces they're breaking up after 27 years together- and fans are devastated
Punk band Sum 41 says it's breaking up after 27 years together : NPR
Sum 41 Are Breaking Up
Sum 41 fans devastated as band announces break-up after 27 years, TV & Radio, Showbiz & TV
Sum 41 Announces Final Tour Dates and Last-Ever Show Ahead of Their Separation
Why Did Sum 41 Break Up? Pop-Punk Canadians Called It Quits
Sum 41 cancels Maryland show due to COVID : r/Sum41
Sum 41 Announce That They Are Breaking Up
Sum 41 return to the stage at the APMAs with Deryck Whibley