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PNC Financial Services Group Inc. announced Monday it will acquire FirstBank Holding Co. in a $4.1 billion deal that will dramatically expand its presence across Colorado and Arizona. The high-stakes acquisition—shepherded by powerhouse law firms Wachtell Lipton Rosen & Katz and Sullivan & Cromwell LLP—marks a major move in the competitive U.S. banking sector.

Expanding PNC’s Reach

With the transaction, Pittsburgh-based PNC will absorb FirstBank’s 95 branches and roughly $26.8 billion in assets. The deal nearly triples PNC’s footprint in Colorado, which the bank has dubbed one of its top markets.

In Denver alone, PNC projects its branch market share will jump to 14%, making it one of the bank’s strongest hubs for commercial and business banking.

Why FirstBank?

PNC CEO William S. Demchak praised FirstBank’s deep retail deposit base, unrivaled branch network, and community trust, calling it “an ideal partner for PNC” as the bank eyes growth in the Mountain West.

FirstBank’s CEO Kevin Classen will transition into a key leadership role as PNC’s Colorado regional president and Mountain Territory executive once the acquisition closes.

Deal Structure and Shareholder Support

Under the agreement, FirstBank shareholders will have the choice of receiving either cash or PNC shares. The cash component is capped at $1.2 billion, while PNC will issue up to 13.9 million common shares.

The deal already has board approval from both banks, with nearly 46% of FirstBank shareholders pledging to vote in favor. The parties expect to close in early 2026, pending regulatory approval and closing conditions.

What Happens Next?

Once finalized, FirstBank will be merged into PNC, with customers converted onto PNC’s platform. In a move aimed at reassuring both employees and communities, PNC said it will retain all FirstBank branches and staff.

Legal Heavyweights Behind the Deal

PNC is represented by Edward D. Herlihy, Nicholas G. Demmo, Fabiola Urdaneta, Derrick L. Parker Jr., Richard K. Kim, Ledina Gocaj, Lexie R. Shah, Christina C. Ma, Jeannemarie O'Brien, Alicia C. McCarthy, and Amy Zeng of Wachtell Lipton Rosen & Katz.

FirstBank turned to Sullivan & Cromwell LLP for representation.