Where are Byline Bancorp’s corporate headquarters?

Byline Bancorp, Inc. is headquartered in Chicago, Illinois. The Company’s address is 180 N. LaSalle Street, Chicago, IL 60601.

Where is Byline incorporated?

Byline is incorporated in the State of Delaware.

When did Byline price its initial public offering?

Byline priced its IPO on June 29, 2017 and will begin trading on the New York Stock Exchange (NYSE) under the ticker symbol BY on June 30, 2017.

What is Byline Bancorp’s ticker symbol and where is the stock traded?

Byline Bancorp common stock trades on the New York Stock Exchange (NYSE) under the symbol BY.

Who is Byline Bancorp’s transfer agent and how do I contact them?

The transfer agent for Byline Bancorp’s common stock is Broadridge Corporate Issuer Solutions, Address: Shareholder correspondence should be mailed to: Contacting us by Regular Mail Broadridge Corporate Issuer Solutions PO Box 1342 Brentwood, NY 11717 Phone: 855-831-4919 Email: shareholder@broadridge.com Contacting us via Overnight Mail Broadridge Shareholder Services c/o Broadridge Corporate Issuer Solutions 1155 Long Island Avenue Edgewood NY 11717-8309 Phone Numbers Toll Free: 855-831-4919 Toll: 303-974-3390 Website www.shareholder.broadridge.com