Trustmark Corporation to Announce Fourth Quarter Financial Results January 27 and Conduct Earnings Conference Call January 28

JACKSON, Miss.–(BUSINESS WIRE)–Trustmark Corporation (NASDAQGS:TRMK) will announce its fourth quarter 2025 financial results in a news release on Tuesday, January 27, 2026, after close of the market. Duane A. Dewey, President and Chief Executive Officer, will conduct a conference call with analysts on Wednesday, January 28, 2026, at 8:30 a.m. Central Time to discuss the Corporation’s financial results. Interested parties may listen to the conference call by dialing (877) 317-3051 or by clicking on the link provided under the Investor Relations section of our website at www.trustmark.com. A replay of the conference call will also be available through Wednesday, February 11, 2026, in archived format at the same web address or by calling (877) 344-7529, passcode 6669479.

Trustmark Corporation is a financial services company providing banking and financial solutions through offices in Alabama, Florida, Georgia, Mississippi, Tennessee and Texas. Visit trustmark.com for more information.

Contacts

Trustmark Contacts:

Investors:

Thomas C. Owens

Treasurer and

Principal Financial Officer

601-208-7853

F. Joseph Rein, Jr.

Executive Vice President

601-208-6898

Media:

Melanie A. Morgan

Executive Vice President

601-208-2979