Yes, regardless of PPS, NWBO has obligation to deliver more shares than authorized. Two things may happen that could avoid a share authorization increase:
It would take at least 200 million potential shares combined below...
1. Option grants expire (not likely) for Mgmt.
2. Warrants expire without conversion (again, not likely as all are in the money).
Now, LP could let some of hers go, but I would doubt it.