| # | SP/EP Title | Release Date | Label | UK | USA |
| 1. | Vertebrae Waltz Parts 1 & 2 | 15.02.1999 | Geophone | | |
| 2. | Voiceprint EP
(Voice One / Voice Two / Voice Three) | 23.08.1999 | Geophone | | |
| 3. | Copper Variations EP
(CV 1 / CV 2 (Max Duley "Arcform" mix) / CV3) | 19.03.2001 | Geophone | | |
| 4. | T4 Project
(Anon / Totungzeit / Impulse Control / Guarded Eternal)
& Semfac & Blackhand / Adam Jay / Bryan Zentz | 19.11.2001 | Azure | | |
| 5. | Amalgamated | 10.12.2001 | Geophone | | |
| 6. | Light & Dark Part 4 | 17.06.2002 | Light & Dark | | |
| 7. | Highway Oil EP | 23.06.2003 | Integrated | | |
| 8. | Caesura | 10.11.2003 | Geophone | | |
| 9. | Inversions Vol 1 | 04.04.2005 | Geophone | | |
| 10. | Substratum | 09.01.2006 | Orange Groove | | |
| 11. | Inversions Vol 2 | 03.04.2006 | Geophone | | |
| 12. | Inversions 3 | 05.02.2007 | Geophone | | |
| 13. | Excavations EP
(Hiss / Fullonica Di Stephanus)
& Donato Dozzy | 26.11.2007 | Dozzy | | |
| 14. | Inversion 6 / Cat Claw / Traces (Mike Parker remix)
& D Dozzy & Rob Alcock | 24.11.2008 | Geophone | | |
| 15. | Document Part 2
(Just Me / Protolanguage (extended version))
& Audion | 29.03.2010 | Spectral Sound | | |
| 16. | GPH 14 | 03.04.2010 | Geophone | | |
| 17. | Vesuvio Tremors | 13.11.2010 | Geophone | | |
| 18. | Aquaplano Ltd 2 EP
(Arena / Acromion / Compressor Blades / Sekhmet) | 15.12.2010 | Aquaplano Ltd | | |
| 19. | Subterranean Liquid EP
(Ringing Bass / Subterranean Liquid / FWD (Donato Dozzy remix)) | 08.02.2011 | Prologue | | |
| 20. | Nothing Is Worth The Hype 2 / 2 EP
(Nibirus / Bossa Nossa (Pan-Pot vocal edit) / Pendular Vibrations / Beat This Slow)
& Van Rivers & Jonas Kopp & Dustin Zahn & Joel Mull | 09.02.2011 | Enemy | | |
| 21. | GPH16 EP | 07.05.2011 | Geophone | | |
| 22. | The Labyrinth EP
(Rites De Passage - Naeba Variant / Giusy / Kaze No Oto / Oil On Metal)
& Convextion & Peter Van Hoesen & Donato Dozzy | 24.08.2011 | Time To Express | | |
| 23. | GPH 17 EP | 22.10.2011 | Geophone | | |
| 24. | Thermo / Elliptical Dissolve / Incarnadine / Elliptical Dissolve (Svreca remix) | 15.11.2011 | Semantica | | |
| 25. | Pulse Trader EP
(Pulse Trader/Moisture (Treatment 3) /Cio's Underwater Track /Forward (The 5am mix)) | 21.12.2011 | Prologue | | |
| 26. | 18 EP
(Give Yourself Up 2 Techno) | 10.11.2012 | Geophone | | |
| 27. | Synchro Rhythm | 13.03.2013 | Selected Edits | | |
| 28. | 19 EP
(Reptilicus / Mnajdra (Shifted remix) / Heartbeat)
& Stanislav Tolkachev & Voices From The Lake | 15.03.2013 | Geophone | | |
| 29. | Charged Particles EP
(SCXFG 21 / Currents / Blueshift)
& Reeko & Spherical Coordinates | 26.03.2013 | Tsunami | | |
| 30. | Mariana Wax 000 EP
(Challenger Deep / Below Zero (2013 re-mastered) / Valve)
& Wata Igarashi & Tr Nch | 21.06.2013 | Mariana Wax | | |
| 31. | 20 EP
(Full Moon In Winter / Vanadis / Vanadium) | 05.11.2013 | Geophone | | |
| 32. | Ebirah / Atlantic Transfer
& Paul Birken & Greg Shappert & Bill Youngman | 12.12.2013 | Brothers | | |
| 33. | Spitting Electricity / Polar Vortex / Ice Fissure | 17.04.2014 | Mote Evolver | | |
| 34. | Trolley / Coordinator Change / Sprectralized
& Kalter Ende | 29.05.2014 | Concerns | | |
| 35. | Modulation Cave | 09.07.2014 | Deep Sound Channel | | |
| 36. | GPH21 EP
(42A 19' 53 N / Night Of 21 Hours / Burn Permit / The Right Side Of Hell)
& Echologist & Stanislav Tolkachev & Eastern Renaissance | 26.08.2014 | Geophone | | |
| 37. | Relieve The Routine / Isabor / Das Eismieer / Advent
& Gareth Wild & Manni Dee & Jeroen Search | 24.09.2014 | Mltred | | |
| 38. | Lustration Remixes (Lustration Eleven (Sarychev) (Edit Select Remix)/Lustration Three (Atlantic) (Cassegrain Remix)/Lustration Three (Atlantic) (Svreca Remix)) | 25.09.2014 | Prologue | | |
| 39. | Untitled EP
(Fifth Station / Loop 1 / Loop 2 / White Angel Breadline / Flying Nerves / Lustrum)
& Sleeparchive | 03.02.2015 | Repitch | | |
| 40. | Transgression & Punishment EP
(Transgression & Punishment / Smoke From Burning Fields / The Freezing Process / The Midnight Zone) | 09.10.2015 | Balans | | |
| 41. | Disintegrating Sand EP
(Disintegrating Sand / Angels In Cages / Gyroscopic Precession / Meteor Crater) | 30.12.2016 | Tresor | | |
