Versions
| Title, Format | Label | Cat# | Country | Year | |
|---|---|---|---|---|---|
| E.I. (CD, Maxi, Enh) | Universal Records | MCSTD 40249 | UK | 2000 | |
| E.I. (12") | Universal Records | MCST 40249 | UK | 2000 | |
| E.I. (CD, Maxi, Promo) | Universal Records | UNIR 20101-2 | US | 2000 | |
| E.I. (CD, Maxi) | Universal Music (Australia) | 158 756-2 | Australia | 2001 |