Enterprise Bank completes acquisition of 12 First Interstate branches

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Enterprise Bank & Trust Announces Completion of Branch Acquisition with First Interstate Bank

October 14, 2025 10:00 AM UTC

ST. LOUIS--(BUSINESS WIRE)-- Enterprise Financial Services Corp (Nasdaq: EFSC) (the Company, EFSC, or Enterprise), the holding company of Enterprise Bank & Trust (EB&T), announced today the completion of EB&Ts acquisition of twelve branches from First Interstate Bank (FIB), a wholly-owned subsidiary of First Interstate BancSystem, Inc. (Nasdaq: FIBK). The acquisition adds ten branches in Arizona and two branches in Kansas with approximately $300 million in loans and $645 million in deposits. Following the acquisition, Enterprise will have approximately $17 billion in total assets.

James B. Lally, President and Chief Executive... More