Old Second National Bank Completes Integration of Evergreen Bank Group, Expanding Access and Services for Customers

Rhea-AI Summary

Old Second Bancorp (Nasdaq:OSBC) completed the systems and brand conversion of Evergreen Bank Group on October 20, 2025, marking the final step in the acquisition and full integration of Evergreen branches into Old Second National Bank.

All former Evergreen locations now operate under the Old Second name and are on Old Second systems, giving former Evergreen customers access to 55 Old Second branches across Chicagoland, unified online and mobile banking, and Old Second products and services.

Customers are directed to oldsecond.com/transition/ebg for details about the transition and available services.

Positive

• All former Evergreen branches converted as of Oct 20, 2025
• Evergreen customers gain access to 55 Old Second branches
• Full access to Old Second's online and mobile banking platforms
• Unified brand and systems across all legacy Evergreen locations

Negative

• None.

Insights

M&A Integration Analyst

Old Second completed Evergreen Bank Group conversion, unifying branches and digital access across its network.

Old Second has finished the systems and brand conversion for Evergreen Bank Group as of October 20, 2025, bringing former Evergreen branches onto Old Second National Bank platforms and branding. The combined footprint now allows Evergreen customers access to Old Second's network of 55 locations and its online and mobile banking systems, which the company presents as the primary benefit of the integration.

The main dependency for value realization is customer adoption of Old Second's products and digital platforms; retention and usage metrics will determine whether the technical and branding work translates into measured commercial gains. Watch deposit and account-migration statistics, digital login and mobile activity, and any public statements about branch rationalization over the next 6–12 months. The integration completion and the transition page at oldsecond.com/transition/ebg are concrete near-term milestones to monitor.

AURORA, IL / ACCESS Newswire / October 20, 2025 / Old Second Bancorp, Inc. (Nasdaq:OSBC) ("Old Second") has successfully completed its systems and brand conversion of Bancorp Financial's subsidiary bank, Evergreen Bank Group. This marks the final step in its most recent acquisition and underscores 154 years of continuous growth and unwavering commitment to community centered service.

As of today, all former Evergreen Bank Group branches are now operating under the Old Second National Bank name. This milestone marks the full integration of Evergreen's locations into Old Second's systems, products, and service offerings. Customers of the Evergreen branches will now benefit from expanded access to Old Second's comprehensive banking solutions, enhanced digital platforms, and a unified customer experience across all locations.

Expanded Access and Enhanced Services
Evergreen Bank Group customers can now bank at any of Old Second's 55 locations throughout the Chicagoland area. In addition, customers have full access to Old Second's robust online and mobile banking platforms, providing greater convenience and flexibility in managing their finances.

"We're thrilled to welcome Evergreen Bank customers into the Old Second family," said James Eccher, Chairman, President and Chief Executive Officer of Old Second. "This integration allows us to deliver even more value through expanded branch access, enhanced digital tools, and the trusted service our customers have relied on for over a century."

Old Second remains committed to making this transition smooth and beneficial for all customers. For detailed information about the integration and available services, customers are encouraged to visit oldsecond.com/transition/ebg.

About Old Second Bancorp, Inc.

Old Second Bancorp, Inc., serves as the bank holding company for its wholly owned subsidiary bank, Old Second National Bank with its headquarters located in Aurora, Illinois. Old Second National Bank provides commercial and retail banking services, as well as a full complement of trust and wealth management services. The Bank has offices located in Cook, DeKalb, DuPage, Kane, Kendall, LaSalle, and Will counties in Illinois.

Contact:
Bradley S. Adams EVP, Chief Operating Officer and Chief Financial Officer (630) 906-5484

SOURCE: Old Second Bancorp Inc.

View the original press release on ACCESS Newswire

FAQ

What did Old Second (OSBC) announce on October 20, 2025 about Evergreen Bank Group?

Old Second announced completion of the systems and brand conversion of Evergreen Bank Group, fully integrating branches into Old Second National Bank.

How many Old Second branches can former Evergreen customers use after the OSBC integration?

Former Evergreen customers can now bank at 55 Old Second locations across the Chicagoland area.

When did Old Second complete the Evergreen Bank Group conversion (OSBC)?

The conversion and rebranding were completed on October 20, 2025.

Will Evergreen customers have access to Old Second's digital banking after the OSBC integration?

Yes; Evergreen customers now have full access to Old Second's online and mobile banking platforms.

Where can OSBC customers find details about the Evergreen transition and available services?

Customers can visit oldsecond.com/transition/ebg for detailed information about the integration and services.

Does the OSBC announcement affect Evergreen branch names and branding?

Yes; all former Evergreen Bank Group branches now operate under the Old Second National Bank name.