| Band members | |
| Catheter | |
| Haroldo | Drums, Vocals |
| Jeff | Guitars, Vocals |
| Donovan | Bass, Vocals |
| Wojczech | |
| Kuttre | Guitars |
| Danilo | Vocals |
| Andi | Bass, Vocals |
| Heinz | Drums |
| Miscellaneous staff | |
| Catheter | |
| Dan Gilbert | Recording |
| H. Murder | Engineering |
| John Santos | Artwork |
| Dan Gilbert | Recording |
| H. Murder | Engineering |
| John Santos | Artwork |
Co-released with 303 Records.
A special release for the Catheter / Wojczech Mexico / US Tour.
Recording information:
Catheter: Recorded at Panther Country on an 8-track recorder.
Wojczech: Recorded and mixed on February 7th, 2007 at JAZ Rostock.
Identifiers:
Matrix / Runout (Side A): R-20473 303-03-A Denver + Rostock =
Matrix / Runout (Side B): R-20474 303-03-B Crawling through the Ruins US/MX 07