回复：So, will parolee be able to extend H-4? 回复：回复：回复：回复：863211,

Yes. Useing AP does not affect H1/H4 extension.
Here is an related artilce from Pjiang's Blog and just do some homework by yourself:

http://blog.wenxuecity.com/blogview.php?date=200710&postID=20710