Mergers & Acquisitions · HWC · TRMK
Hancock Whitney's $3.2 billion deal has a $205.5 million test.
The promised earnings gain depends on cutting costs, while the buyer is still integrating its last acquisition.

Hancock Whitney expects buying Trustmark to raise its earnings per share by about 7% in 2028. The route to that gain runs through $205.5 million of annual cost savings.
The banks announced an all-stock deal valued at about $3.2 billion using Hancock Whitney's November 11 closing share price. It would expand the buyer's Southern banking network, while reducing its tangible book value per share at closing.
The savings do the work in the earnings model
Research by Ticker Byline shows that, at the rounded figures in the banks' presentation, the entire net increase in modeled 2028 profit comes from cost savings. Other transaction adjustments cancel one another out.
| Component | Amount |
|---|---|
| Hancock Whitney standalone earnings | $593 |
| Trustmark standalone earnings | $254 |
| Combined before transaction adjustments | $847 |
| Cost savings | +$162 |
| Interest-rate adjustments | +$68 |
| Intangible amortization | −$71 |
| Other adjustments | +$3 |
| Combined after adjustments | $1,009 |
The interest-rate line reflects acquisition-accounting gains spread over time. Amortization spreads the value assigned to acquired customer relationships over time as an expense.
The presentation uses 122.6 million diluted shares to reach $8.23 a share, against a $7.71 standalone estimate for Hancock Whitney. That share count also assumes about 2.4 million shares are repurchased in 2028.
Removing only the $162 million savings line from that model gives about $6.91 a share, using the same share count. This is our illustration from management's rounded inputs, rather than a separate company forecast. It shows why delivering the cuts matters to the promised earnings gain.
A large cut to Trustmark's expense base
The $205.5 million annual pretax savings target equals 35% of Trustmark's noninterest expense base in the deal model: operating costs such as staffing, branches and technology. The banks expect to realize 37.5% of those savings in 2027 and all of them thereafter. Potential additional revenue is excluded from the model.
Integration has its own bill: $250 million in estimated pretax merger costs. Management also projects an approximately 7% reduction in tangible book value per share at closing. That is the net asset value backing each common share after excluding goodwill and other intangible assets.
The banks estimate it will take 2.8 years to earn back that book-value dilution, including merger expenses. Delivering the savings while retaining customers is therefore central to the economics, rather than an extra benefit on top.
The buyer is already integrating another bank
Hancock Whitney completed its $377.6 million acquisition of OFB Bancshares, parent of One Florida Bank, on August 1. It expected system integration to finish in the fourth quarter. That acquisition helped lift its September assets and deposits and brought about $30.4 million of pretax acquisition-related items into quarterly results.
The Trustmark transaction remains pending. Each Trustmark share would receive 0.7463 Hancock Whitney shares, so the dollar value moves with the buyer's stock price. Legacy Trustmark holders would own about 35% of the combined company.
Closing is expected in late first-quarter 2027, subject to both shareholder votes and regulatory approvals. Systems and brand conversion are planned for late 2027. Our Hancock Whitney profile and Trustmark profile distinguish the banks' latest actual results from the deal projections.