|Genres||Heavy metal, hard rock, funk metal, glam metal|
|Years active||1985–1996, 2004, 2005, 2006, 2007–present|
|Associated acts||Queen, Van Halen, Dream Theater, DramaGods, Tribe of Judah, Mourning Widows, Satellite Party, Hurtsmile, Super TransAtlantic, Twisted Sister, Dweezil Zappa, Amazing Journey, Population One, Paul Gilbert|
Extreme had their greatest success with their 1990 album Pornograffitti. It peaked at number 10 on the Billboard 200. It became gold in May 1991 and 2×platinum in October 1992. That album had the ballad single "More Than Words," which reached No. 1 on Billboard's Hot 100 in the United States.
- "Blabbermouth.Net". Roadrunnerrecords.com. Retrieved 2011-07-01.
- "RIAA Certification (type in "Extreme" in the artist box)". Riaa.com. Retrieved 2012-02-28.