Promotional
- Radio Active EP (1992)
- Waiting (1996)
- The Porcupine Tree Delerium EP (2001)
- Porcupine Tree Sampler (2002)
- Porcupine Tree Sampler 2002.1 (2002)
- Porcupine Tree Sampler 2002.2 (2002)
- Porcupine Tree Sampler 2002.3 (2002)
- Blackest Eyes (2003)
- Strip the Soul (2003)
- The Sound of Muzak (2003)
- Lava Records Pre-Cleared Songs for Film Vol. 1 (2003)
- Shallow (2005)
- Fear of a Blank Planet (2007)
- Way Out of Here (2007)
- Time Flies (2009)
- Bonnie the Cat (2010)
Read more about this topic: Porcupine Tree Discography