Exegesys is a heavy and power metal band from Colón in the Buenos Aires province of Argentina, whose lineup has included vocalist and guitarist Sebastian Valli, guitarist Santiago Ostoich, keyboardist Ezequiel Muzzi, and drummer Marcos Giulli. Their debut album La Guerra Continúa, released in 2008, spans thirteen tracks of fast, melodic heavy metal with neoclassical guitar influences and Spanish-language vocals. The record was noted for baroque-inflected guitar work drawing comparisons to the style of Yngwie Malmsteen.

Exekution is a Brazilian death metal band formed around 2010, known for their release "Sturm auf die USA" on Freivolk Records, an eight-track album that established their presence in the underground extreme metal circuit. The band operates within the raw, aggressive tradition of Brazilian death metal.

Exhaurity is a brutal death metal and goregrind band from Bogotá, Colombia, formed in 2024, self-described as delivering raw grinding brutality. They released two demos in 2024 and followed with the EP Perverse Poetization of Body Effluvia and a split titled Macabre Pseudothanathopaxic Procedures in the Mortuary Room in 2025.

Exhumacion Profana is a black/death metal band from Ibagué, Tolima, Colombia, founded in 2019 with lyrical themes centered on Colombian violence, war, and anti-religion. They released Demo 2022, a self-titled demo (2023), the EP La Parca (2023), and their debut full-length MCB&P (2025).

Exhumatory is a Death/Thrash Metal band from Quito, Ecuador. The band released the EP "Bone Crusher" in 2019, operating independently within Ecuador's underground extreme metal scene.

Exilio is a thrash metal band from Buenos Aires whose lineup features vocalist Emanuel Lescano, guitarists Juan Dobal and Ezequiel Machuca, drummer Jonantan Alcántara, and bassist Marcos Lowi. The band released their full-length Imágenes de un Recuerdo in 2014, preceded by an independently recorded EP in 2011 cut at the CICLO studios in Ituzaingó. Their sound draws directly from the aggressive thrash tradition of Metallica and Slayer while maintaining an active presence in the Buenos Aires underground scene.

Exinteratus is a brutal death metal and grindcore duo from Río Bueno, Chile, formed in 2013 by Eneas and Massakre. The project debuted with the demo Ghoulish Mutilation in 2014, followed by the release Penetration Post Mortem, operating within the underground extreme metal scene of southern Chile.

Existencial Death is a death metal band from Ubá, Minas Gerais, Brazil. The band released their debut demo Rotting for the Future in October 2020, a four-track effort spanning sixteen minutes and distributed across digital platforms including Spotify and Deezer.

Existência Desperdiçada is a solo melancholic black metal project from São Paulo, Brazil, with all instruments and vocals handled by Apático. The project released at least two albums, Lamúria e Trauma and Suspiros de Quem Não Aguenta Mais Viver, exploring themes of despair and emotional collapse.