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.

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).

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.

Exkil is a thrash metal quartet from Piracicaba, São Paulo, composed of Daniel Ferrante on vocals and guitar, Gabriel Bunho on guitar, Evandro Tapia on bass, and Evandro Kandalaft on drums. The band debuted with the EP Between Death and Chaos in 2022, followed by the full-length album Violence Prevails in June 2025, which features guest vocals from Marcello Pompeu of Korzus.

Exnecros is a technical and melodic death metal band from Rio de Janeiro, formed in 2024, featuring guitarist and lyricist Lucas Brum alongside vocalist Josam, who also handles orchestrations. The band released their debut, Total Depravity, on July 1, 2024, blending fast and complex guitar work with symphonic orchestrations and lyrics centered on Christian theology.

Exocet is a heavy metal band from Buenos Aires, formed in 1991 and named after the Exocet missile used during the Falkland Islands conflict, a reference that underscores their politically engaged lyrical stance. The band built a discography across the 1990s and 2000s that includes Mercado del Dolor (1995), La Cura de la Demencia (2000), and Luchar Hasta Morir (2002), before taking a hiatus from 2010 to 2017. Their current lineup consists of vocalist Diego Abrego, bassist Sebastian Mendoza, guitarist Paulo Avila, and drummer Gaston Gallo, and they have been regular participants in the Festival Nunca Más.