can we do COS of H4 to H1B(CAP EXEMPT) in PREMIUM?

1.Can we do premium processing for COS of h4 to h1b(cap exempt)
2.Can we do premium processing for COS Of h1b(Maxout) to h4?
3.Can I have perm ,i140 and h4 in parellel

Please let me know if anyone of you have gone through this .

1.Can we do premium processing for COS of h4 to h1b(cap exempt)
Ans: Yes

2.Can we do premium processing for COS Of h1b(Maxout) to h4?
Ans: No

3.Can I have perm ,i140 and h4 in parellel
Ans: Yes

I think that the response should be more detailed…