The Caustic Window
's Joyrex J9 EP
was released by Rephlex Records
as catalog number CAT009ii
Released on 45rpm 12" vinyl. The first 100 pressings of Joyrex J9 EP came with a free blue t-shirt with "RePhLeX" in gold letters across the chest. Originally, there was no tracklist on the EP, and thus, some of the songs were given alternate names. Later on, Rephlex gave an official note on the correct tracktitles. Also notice how this EP was released by "The Caustic Window" and not just "Caustic Window".
See also Joyrex J9, which is an alternate version of this EP, and Joyrex J4 EP & Joyrex J5 EP, which it follows.