First Interstate Bancsystem, Inc

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First Interstate BancSystem, Inc. is a financial holding company whose principle subsidiary is First Interstate Bank, a multi-state, $4.2 billion banking organization headquartered in Billings, Mont. Other affiliates of First Interstate BancSystem are First Interstate Foundation and Interstate Financial Services. The foundation s mission is to assist the First Interstate Bank family in being a leading corporate citizen in the communities it serves. It provides resources and leadership to community development efforts that assist low and moderate-income communities and individuals as well as neighborhood projects and activities. First Interstate Financial Services provides comprehensive trust and investment services to meet the current and future financial needs of our customers. First Interstate Bank operates 58 branches and over 130 ATMs in Montana and Wyoming.