IDAHO Falls, Idaho—The $700-million Frontier Credit Union here has agreed to buy $75-million First Citizens Bank of Butte, located in Butte, Mont.
The agreement marks the credit union’s first expansion into Montana.
“Having grown up in Dillon, it’s a dream having this chance to share Frontier with my home state,” said Frontier CEO Dan Thurman. “We’re not just expanding our footprint—we’re extending our mission of helping people build better lives. We can’t wait to be a part of the fabric here in Butte and serve this great community.”
“This transaction brings tremendous opportunities for our customers and employees,” said Casey Reilly, CEO of First Citizens Bank of Butte. “It’s a natural fit—I’m excited our customers will be in the hands of someone who knows what makes Montana special. They know our community, share our values, and appreciate the uniqueness of Butte.”
The deal awaits customary regulatory approvals and shareholder consent.
First Citizens made $942,000 in 2024 according to FDIC data. Frontier made $.14-million in 2024. Net worth is 9.18%, according to Call Report information.