 Around this time, Westfield instead focused more on driving customer business to other area malls such as West County Center in Des Peres and Mid Rivers Mall in St. Peters, in turn neglecting Northwest Plaza, along with its redevelopment and upkeep.The first major vacancy at Northwest Plaza was JCPenney in 2002.Northwest Plaza had the second lowest occupancy rate of a Westfield mall, which was just 79% at year-end 2004.