| Title, Format | Label | Cat# | Country | Year | |
|---|---|---|---|---|---|
| Sincere (12") | Metrix Recordings | METX 001 | UK | 1998 | |
| Sincere (The Black Science Remixes) (12") | AM:PM | 582 693-1 | UK | 1998 | |
| Sincere (12") | Club Tools | 006577-0 CLU | Germany | 1998 | |
| Sincere (12") | AM:PM | 582 691-1 | UK | 1998 | |
| Sincere (12", Promo) | AM:PM | AMPMDJ 128 | UK | 1998 | |
| Sincere (CD, Maxi) | AM:PM | 582 691-2 | UK | 1998 | |
| Sincere (CD, Maxi) | Club Tools | 0065775CLU | Germany | 1998 | |
| Sincere (Remix) / Battle (Remix) (12") | Talkin' Loud | TKDJ86 | UK | 2000 | |
| Sincere (Remixes) (2x12") | Talkin' Loud | TKDJ 083/084 | UK | 2000 | |
| Sincere (12") | Talkin' Loud, Talkin' Loud | 562 898-1, TLX 60 | UK | 2000 | |
| Sincere (12", Promo) | Talkin' Loud | TKDJ 085 | UK | 2000 | |
| Sincere (2x12") | Talkin' Loud | TLXX 60 | UK | 2000 | |
| Sincere (CD, Maxi) | Talkin' Loud | TLCD 60 | UK | 2000 | |
| Sincere (CD, Maxi) | Talkin' Loud | 562924-2 | Australia | 2000 | |
| Sincere (CD, Single, Promo) | Talkin' Loud | TLCJ 60 | UK | 2000 |