XXXX (pronounced four-ex) is a brand of Australian beer brewed in Milton, Brisbane, by Queensland brewers Castlemaine Perkins, now a division of the Japanese company Kirin. It enjoys wide popularity in the Australian state of Queensland, where it is commonly found on-tap in pubs and bars. The XXXX brand was introduced by Castlemaine in 1924, and is a throwback to the long-standing tradition of using Xs to indicate the strength of an ale. The brand name is also built upon XXX Sparkling Ale ... XXXX (pronounced four-ex) is a brand of Australian beer brewed in Milton, Brisbane, by Queensland brewers Castlemaine Perkins, now a division of the Japanese company Kirin. It enjoys wide popularity in the Australian state of Queensland, where it is commonly found on-tap in pubs and bars. Castlemaine Perkin's response, in accordance with their policy of 'Keeping pace with market demands and changing tastes', was to release their XXXX Gold product. It was called XXXX Light back then (although it was 3.5% alcohol), and was the first in the state. We would like to show you a description here but the site won’t allow us.