| Title, Format | Label | Cat# | Country | Year | |
|---|---|---|---|---|---|
| Say I (CD, Single, Promo) | Island Def Jam Music Group | ISLR 16488-2 | US | 2006 | |
| Say I (Dance Remixes) (CDr, Promo) | Universal Music (Sweden) | none | Sweden | 2006 | |
| Say I (Remix) / Who's Gonna Ride (12", Promo) | Island Records, Island Records | ISLR20000, ISLR 20000 | US | 2006 | |
| Say I (Remixes) (12", Promo) | Island Records | ISLR 16525-1 | US | 2006 | |
| Say I (Remixes) (CD, Maxi, Promo) | Island Records | ISLR 16525-2 | US | 2006 | |
| Say I (12") | Island Records | 52304 | US | 2006 | |
| Say I (12") | Def Jam Recordings | B0006316-11 | US | 2006 | |
| Say I (12") | Mercury | 9857780 | UK | 2006 | |
| Say I (CD, Maxi, Enh) | Universal Music (Australia) | 987 887-5 | Australia | 2006 | |
| Say I (CD, Maxi, Enh) | Island Def Jam Music Group | 0602498788752 | Europe | 2006 | |
| Say I (CD, Single) | Mercury | 9857779 | UK | 2006 | |
| Say I (CD, Single, Promo) | Island Def Jam Music Group | CMSAYCDP1 | Europe | 2006 | |
| Say I (CDr, Promo) | Island Def Jam Music Group | none | UK | 2006 |