sentences:  On August 31, 2010, Zions announced the sale of its NetDeposit subsidiary to BankServ.On June 1, 2015, Zions Bancorporation announced a corporate restructuring, which included the consolidation of seven bank charters into a single charter and $120 million in expense reduction initiatives.In November 2017, Zions announced plans to merge the holding company and its banking subsidiary ZB, N.A.