FIRST INTERSTATE BANCSYSTEM INC

First Interstate BancSystem, Inc. (NASDAQ: FIBK) operates as a financial and bank holding company focused on community banking across the western United States. The company was incorporated in Montana in 1971 and has grown through both organic expansion and strategic acquisitions, including Mountain West Bank, United Bank, N.A., Flathead Bank of Bigfork, Bank of the Cascades, Inland Northwest Bank, Idaho Independent Bank, Community 1st Bank, and Great Western Bank. As of December 31, 2025, First Interstate operates 290 banking offices across twelve states: Colorado, Idaho, Iowa, Minnesota, Missouri, Montana, Nebraska, North Dakota, Oregon, South Dakota, Washington, and Wyoming. The company maintains a consolidated asset base of $26.6 billion, with deposits of $22.1 billion, loans held for investment of $15.2 billion, and total stockholders' equity of $3.4 billion.

Through its wholly-owned subsidiary, First Interstate Bank, the company delivers comprehensive banking products and services including online and mobile banking, commercial lending, consumer lending, agricultural lending, real estate financing, deposit products, and wealth management services encompassing trust, employee benefit, investment management, insurance, and custodial services. The company serves individuals, businesses, government entities, and organizations across diverse industries including agriculture, healthcare, professional services, technology, construction, hospitality, real estate development, tourism, education, housing, retail, and wholesale trade.

First Interstate operates as a single community banking segment with a decentralized approach that grants banking offices significant authority in responding to local market conditions while maintaining accountability to company-wide standards. The company emphasizes relationship-driven organic growth and disciplined underwriting, with particular strength in Montana where it holds approximately 16.6 percent of total insured deposits. The company's strategy focuses on deepening client relationships across deposits, lending, and fee-based services while optimizing its branch network and reallocating resources to markets with meaningful market share and attractive growth prospects. First Interstate is subject to extensive federal and state banking regulation and supervision, including oversight by the Federal Reserve, the Montana Department of Administration, and the Consumer Financial Protection Bureau.