A further £20,000 will go into the Vale coffers if Preston get promoted to the Premier League and a 25% sell-on clause if Hibbert is sold by the Lancashire side.
Vale Get Initial £35,000 For Hibbert
The Championship side will then pay Vale five further instalments of £10,000 when the 19-year-old forward has made 10, 20, 30, 40 and 50 appearances.