Centreville Bank Selects Jack Henry to Support Continued Growth, Modernization and Enhanced Customer

• Jack Henry's technology will help Centreville Bank expand its capabilities, strengthen connections with trusted technology partners, and deliver an even better experience for customers and employees.
• Jack Henry's cloud-based technology will help Centreville Bank make banking accessible and convenient for customers while giving employees the tools they need to provide exceptional service.

Founded in 1828, Centreville Bank is proud to serve customers and businesses throughout Rhode Island and Connecticut through 26 locations and a growing digital presence. As the bank approaches its 200th anniversary, this investment will help strengthen the technology that supports customers, employees, and communities for years to come.

The transition to the new platform is expected to take place in late 2027. Customers will continue to use Centreville Bank's existing systems and services throughout the implementation period, and there are no immediate changes to accounts, online banking, products, or services.

"We're investing in technology that will support our long-term growth while helping us continue to deliver the personal service our customers know and trust," said Jillian J. DeShiro, Executive Vice President and Chief Financial and Operating Officer at Centreville Bank. "This move gives us greater flexibility to introduce new capabilities over time while remaining focused on what matters most: helping our customers succeed and strengthening the communities we serve."

As part of the transition, Centreville Bank plans to implement Jack Henry's core processing platform along with several integrated solutions, including enhanced digital banking capabilities, treasury management services for commercial clients, workflow automation tools, and customer relationship management technology.

The investment aligns with Centreville Bank's ongoing efforts to modernize its operations, enhance the customer experience, and position the organization for future growth across Rhode Island and Connecticut.

What Customers Can Expect
While the system upgrade is not expected until late 2027, Centreville Bank is committed to making the transition as smooth as possible.

Customers can expect:

Centreville Bank selected Jack Henry based on its commitment to innovation, scalability, workflow automation, and strong support for community financial institutions. The partnership will help ensure the bank remains well positioned to meet the evolving needs of consumers, businesses, and communities throughout the region.

About Jack Henry & Associates, Inc.^®
Jack Henry^® (Nasdaq: JKHY) is a well-rounded financial technology company that strengthens connections between financial institutions and the people and businesses they serve. We are an S&P 500 company that prioritizes openness, collaboration, and user centricity - offering banks and credit unions a vibrant ecosystem of internally developed modern capabilities as well as the ability to integrate with leading fintechs. For 50 years, Jack Henry has provided technology solutions to enable clients to innovate faster, strategically differentiate, and successfully compete while serving the evolving needs of their accountholders. We empower more than 7,200 clients with people-inspired innovation, personal service, and insight-driven solutions that help reduce the barriers to financial health. Additional information is available at www.jackhenry.com .

About Centreville Bank
Founded in 1828 and headquartered in West Warwick, Rhode Island, Centreville Bank is a full-service mutual bank with over $3.0 billion in assets and 26 locations throughout Rhode Island and eastern Connecticut. Centreville understands the unique financial needs of individuals, families and businesses and offers a wide range of personal banking and commercial banking products and services including checking accounts, savings accounts, CDs, money market accounts, mortgages, business loans and more. Centreville is committed to its employees and the communities it serves, always striving to help people make progress and achieve their financial goals. That is progress on purpose. Visit centrevillebank.com , follow us on Facebook , LinkedIn and Instagram , or come into a branch or office to learn more.

Analyst Contact: Vance Sherard
Vice President, Investor Relations, Jack Henry & Associates, Inc.
(417) 235-6652

Press Contact: Mark Folk
Director, Corporate Communications , Jack Henry & Associates, Inc.
(704) 890-5323