Extreme Hate were a death metal/grindcore band from Belo Horizonte, Minas Gerais, active from 1999 until their eventual split-up. The band recorded a series of demos between 2003 and 2006 — including a 2005 session at Barata Studio — which were later compiled on the release Open Wound / Demo(n)s. Their ferocious blend of deathgrind placed them within Belo Horizonte's storied extreme metal underground.

Exumação de Anneliese are a raw black metal project from São Paulo, formed in 2020, whose members operate under the pseudonyms Fantasma do Acaso, Aparição Flamejante, and Presença Imaterial. The band debuted with Negações ao Absurdo in 2020 and released a second full-length the same year before continuing to expand their catalog with O abismo olha de volta (2021) and Monastério do irracionalismo (2024). Their sound draws on lo-fi black metal aesthetics infused with a distinctly introspective, nihilistic Portuguese-language sensibility.

Exutory are a goregrind band from Belo Horizonte, Minas Gerais, formed in 2025, comprising members Leonardo Silva, João Malta, and Leonardo Coelho Soares. The band released Fields of Mutilation as their debut, supported by labels including Deathdawn Productions, Godless Records, and Underground Pollution Records. Despite their very recent formation, they have already established ties with the international goregrind underground network.

Exylle is a crossover thrash metal band from Curitiba, Paraná, Brazil, active since around 2014–2016. Their 2021 EP "Sangue nas Ruas" (Blood in the Streets) consists of five tracks entirely in Portuguese, sharpening the band's political and social commentary with a heavier hardcore influence alongside their thrash and death metal core. They have performed at festivals including São José Rock Festival and Brutal Fest in Joinville.

Exício is a grindcore band from São João del-Rei, Minas Gerais, formed in late 2016 with a mission to fuse the most extreme elements of metal and punk under themes of misanthropy, nihilism, and social decay. The band released their debut demo, Mórbida Existência, in May 2018.

Eyjafjallajökull is a Brazilian raw black metal project that has operated on a DIY underground philosophy since 2013, releasing material through Dipsomaniac Records. Their 2013 EP "Donasdogamatastos" showcases a primitive, lo-fi approach with lyrics in Portuguese covering anti-nationalist themes. The band self-describes their style as "Trve & Kvlt Brazilian Anti-Nationalist Raw Black Fuckin' Metal."