No, it's not 'hostile'.
Behavior "give me now 50K and then monthly 200K" is called Racketeering.
wikipedia > In the United States of America, racketeering is a type of organized crime in which the perpetrators set up a coercive, fraudulent, extortionary, or otherwise illegal coordinated scheme or operation (a "racket") to repeatedly or consistently collect a profit.
Did they offer new service and asked for more? No.
Did they came with new calculation based on costs? No.
They just insist on "more money or your operations are toast".
Once executives and vice- clout get into the court on racketeering, just like al Capone was, things will go much better.