What are the $EXP^{NP}$, $EXP^{PSPACE}$, and $EXP^{EXP}$ equal to

What are the $ EXP^{NP}$ , $ EXP^{PSPACE}$ , and $ EXP^{EXP}$ equal to?

I suspect that their, NEXP, ESPACE and 2EXPtime respecitvely. And what bout $ NP^{EXP}$