Hancock Whitney Corporation to acquire Trustmark Corporation Creating long-term value for shareholders through compelling combination
TRUSTMARK CORP (TRMK) filed an SEC Form 8-K — Regulation FD Disclosure. Exhibit 99.1 FOR IMMEDIATE RELEASE November 12, 2026 For more information: Ashleigh Flower Wilshire SVP, Head of Investor Relations 504.299.5076 ashleigh.wilshire@hancockwhitney.com F. Joseph Rein, Jr. EVP, Chief Corporate Strategy Officer 601.208.6898 jrein@trustmark.com Hancock
How this was made
The 30-second read
Why it matters
The merger creates a $58 bn bank with expanded footprint, expected to be EPS‑accretive and improve capital ratios.
Market read
A sizable regional‑bank M&A likely to move both stocks and influence the banking sector.
What to watch
Potential dilution to Trustmark shareholders' tangible book value and execution risk of cultural integration.
Background
The announcement was filed via a Form 8‑K on Nov 12 2026, detailing the definitive agreement and transaction terms.
Ticker impact
Hancock Whitney announced an all‑stock acquisition of Trustmark valued at ~$3.2 bn, creating a $58 bn regional bank.
likely upward pressure as market prices in the 7% EPS accretion and expanded scale.
Deal is accretive to 2028 EPS, improves market position; investors typically reward such strategic M&A.
Trustmark will merge into Hancock Whitney in a 0.7463‑share‑for‑share exchange, making Trustmark shareholders own ~35% of the combined entity.
likely upward pressure as shareholders receive a premium and the combined balance sheet strengthens.
The transaction is 7% accretive to earnings and offers a modest premium to Trustmark shareholders.
Market effects
Consolidates the Gulf South regional banking sector, potentially prompting further M&A activity.
Strengthens banking services across six southeastern states, may boost regional credit availability.
Adds to the trend of U.S. regional bank consolidation, modest impact on broader market.
Counterpoint
Deal could face integration challenges and regulatory scrutiny, weighing on the combined stock.
Key entities
- CompanyHancock Whitney Corporation
NASDAQ‑listed bank holding company acquiring Trustmark.
- CompanyTrustmark Corporation
NASDAQ‑listed bank holding company being acquired.


