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Hancock Whitney, Trustmark to merge in...

Hancock Whitney, Trustmark to merge in $3.2 billion transaction

By: Frank Corder - November 12, 2026

  • The merger is expected to close late in the first quarter of 2027, and the conversion is expected in late 2027. Trustmark associates and branches will operate under the Hancock Whitney name and brand.

Hancock Whitney Corporation, parent company of Hancock Whitney Bank, and Trustmark Corporation, parent company of Trustmark Bank, announced Thursday that they have entered into a definitive agreement and plan of merger.

Trustmark will reportedly merge with and into Hancock Whitney in an all-stock transaction valued at approximately $3.2 billion.

John M. Hairston, President and CEO of Hancock Whitney, said by bringing together two high-performing banks with shared values, complementary capabilities, and a relentless focus on client success, they will create an organization that is stronger as one.

“This combination enhances our platform, expands growth opportunities, strengthens the core deposit franchise, and broadens the capabilities we deliver to consumer and business clients,” Hairston said.

According to the financial institutions, the merger establishes “a premier Gulf South regional bank” with approximately $58 billion in assets and a presence across six Southeastern states, combining the scale and capabilities of a larger institution with the client focus and relationship banking approach that defines both organizations.

Both institutions are headquartered in Mississippi and have franchises “with proven performance, robust liquidity, and solid capital foundations.”

The joint statement said the combined organization is expected to deliver improved profitability, maintain strong pro-forma capital ratios, and increase the scale and resources needed to invest in high-growth markets, while continuing to support customers and communities throughout its core footprint.

Duane Dewey, President and CEO of Trustmark, said both Trustmark and Hancock Whitney have long held a shared commitment to exceptional client service and relationship banking.

“Given the strong cultural alignment and complementary business lines between our two organizations, we believe this transaction will generate substantial value and meaningful benefits for our customers, shareholders, associates, and communities,” Dewey said.

The merger is expected to close late in the first quarter of 2027, subject to the receipt of regulatory approvals, approval by Hancock Whitney and Trustmark shareholders, and the satisfaction of other customary closing conditions.

Five members of Trustmark’s Board of Directors will join Hancock Whitney’s Board of Directors following the transaction close, including Dewey.

Upon conversion, which is expected in late 2027, Trustmark associates and branches will operate under the Hancock Whitney name and brand.

About the Author(s)
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Frank Corder

For nearly two decades, Frank Corder has reported and offered analysis on government, public policy, elections, business and matters of faith. He is the Editor for Magnolia Tribune where he oversees the day-to-day content development. Frank’s interviews, articles, and columns have been syndicated throughout Mississippi as well as in various national publications. His resume includes appearances on the BBC, CBS News, ABC News, and Fox News, among others. Frank is a frequent analyst on radio and television, providing insight and commentary on the inner workings of the Magnolia State and beyond. During his career, Frank has interviewed government officials and candidates from City Halls to the White House, including Presidential candidates, White House officials, U.S. Senators, Congressmen, Cabinet Secretaries, and Governors. He previously hosted his own local radio and television programs and has managed private businesses in the financial, hospitality, and retail sectors. Frank has served his community as an elected City Councilman and as an Assistant/Acting City Manager. In the wake of Hurricane Katrina, he led the effort to plan Pascagoula's recovery and rebuilding which earned him recognition as Mississippi's Volunteer of the Year. Frank also led Pascagoula's municipal government out of a $14.5 million deficit, which the Mississippi State Auditor heralded as a model for other communities facing dire financial straits. As the president of the Pascagoula High School Quarterback Club, Frank has self-published "The Book of Pascagoula Football." He has been married for over 25 years and has two children, both of whom work in public education. Email Frank: frank@magnoliatribune.com