Byline Bancorp, Inc. Names Sean H. McGuire Chief Commercial Banking Officer and Scott E. Hawthorne Chief Credit Officer as Part of Ongoing Succession Planning

Alberto J. Paracchini, President and Chief Executive Officer of Byline Bank

“We are pleased to appoint Sean H. McGuire as our Chief Commercial Banking Officer and Darrin Bacon as Head of Commercial Banking. Their extensive experience, deep commercial banking expertise, and proven leadership make them exceptionally well-positioned to lead our commercial banking organization and continue delivering outstanding results for our customers, employees, and shareholders. At the same time, Brogan Ptacin has been instrumental in building one of the strongest commercial banking franchises in our market. His leadership, client focus, and commitment to our employees have contributed meaningfully to Byline’s growth and success. On behalf of our executive leadership team, I thank him for his many contributions and wish him the very best in retirement.”

Brogan Ptacin, Executive Vice President and Head of Commercial Banking at Byline Bank

“It has been an honor to serve Byline and work alongside such talented colleagues. I am incredibly proud of what we have accomplished together and I’m confident in the continued strength of Byline’s commercial banking business going forward.”

Alberto J. Paracchini, President and Chief Executive Officer of Byline Bank

“We are pleased to appoint Scott Hawthorne as our next Chief Credit Officer. He brings extensive experience in commercial banking, credit administration, and risk management, and has been instrumental in helping shape our credit strategy. At the same time, on behalf of the executive leadership team, I want to thank Mark Fucinato for his outstanding leadership, sound judgment, and commitment to maintaining a strong credit culture. Under his leadership, Byline successfully navigated challenging economic cycles while maintaining prudent risk management practices and supporting the growth of our customers and communities.”

Mark Fucinato, Executive Vice President and Chief Credit Officer at Byline Bank

“It has been a privilege to serve Byline and work alongside such an exceptional team. I am proud of the strong credit culture, disciplined risk framework, and talented credit professionals we have built over the years. I have every confidence that Scott and the team will continue to build on that foundation while supporting Byline's long-term growth and success.”

Roberto R. Herencia, Executive Chairman and Chief Executive Officer of Byline Bancorp, Inc.

“These planned retirements reflect the strength of our succession planning process. We have known for some time that these leadership transitions were approaching and have worked closely with both executives to ensure an orderly transition in each of their areas. On behalf of the Board of Directors, we are grateful for their significant contributions and are confident that Byline's commercial banking and credit leadership are exceptionally well prepared to continue building on that success and advancing our strategic priorities.”