It was released in America through Mark Kozelek's Caldo Verde label on 27 October 2009.

Broadrick had originally mentioned the EP in 2008 but a title and official release date had yet to be announced.

It was later announced that Opiate Sun, would be released in July 2009, although that date was later rescheduled.

Initially, the EP was intended to be the first studio recording to include the lineup of Justin Broadrick, Dave Cochrane, and Phil Petrocelli.

The released version of the album features Broadrick performing solo.