The fully tax-equivalent net interest margin was 3.38% in the fourth quarter, compared with 3.36% in the third quarter and 3.20% in the fourth quarter of 2024. Excluding purchase accounting accretion, adjusted fully tax-equivalent net interest margin rose 4 basis points sequentially to 3.34%. The board approved an incremental $150 million authorization, bringing the total to $300 million; management said roughly $180 million of capacity remains under the program. For 2026, management’s guidance includes the impact of the Nebraska branch sale and branch closures while excluding the anticipated gain on sale related to the Nebraska transaction. About First Interstate BancSystem (NASDAQ:FIBK)First Interstate BancSystem, Inc is a bank holding company headquartered in Billings, Montana.