Conference call and webcast to be held on Friday, October 23

Byline Bancorp, Inc. (NYSE: BY) announced today that it will issue its third quarter 2026 financial results after market close on Thursday, October 22, 2026.

Byline Bancorp will also host a conference call and webcast at 9:00 a.m. Central Time on Friday, October 23, 2026 to discuss its financial results. Analysts and investors may participate in the question-and-answer session.

Conference Call, Replay and Webcast Information:

Date: Friday, October 23, 2026

Time: 9:00 a.m. Central Time

Telephone Access: 833-461-5787; Meeting ID: 511 124 815

Webcast Access: A live webcast will be available on the News and Events page in the Investor Relations section of the Company’s website. An archived version of the webcast will be available in the same location shortly after the live call has ended.

About Byline Bancorp, Inc.

Headquartered in Chicago, Byline Bancorp, Inc. is the parent company of Byline Bank, a full service commercial bank serving small- and medium-sized businesses, financial sponsors, and consumers. Byline Bank had approximately $9.9 billion in assets as of June 30, 2026 and operates 44 branch locations throughout the Chicago and Milwaukee metropolitan areas. Byline Bank offers a broad range of commercial and community banking products and services including small ticket equipment leasing solutions and is one of the top Small Business Administration lenders in the United States.

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