Formed in 1994, K2O3 are a punk rock band from Santiago do Cacém / Santo André - Portugal.
The members are: Ulisses (vocals and guitar), Chaves (bass), Mini (guitar) and Nuno Costa (drums). Albums: Es Capaz - 1996 - El Tatu
Grita - 1999 - Contra Regra
No Fio da Navalha - 2009 - Infected Records DIY The band has a lot of fans around the country and is on tour presenting their recent album "No fio da navalha". K2o3 will record another album at the end of the year. It will be their 4º!