BYLINE BANCORP, INC. — Director's Dealing 2019

Feb 20, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: BYLINE BANCORP, INC. (BY)
CIK: 0001702750
Period of Report: 2019-02-19

Reporting Person: YOHANAN ROBERT R. (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-02-19	Common Stock	S	2000	$20.06	Disposed	375725	Indirect
2019-02-19	Common Stock	S	2000	$20.06	Disposed	297773	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	127895	Direct
Common Stock	3195	Indirect

Footnotes

F1: These securities are held by Dublin Family Partnership, LLC ("Dublin") for which the Reporting Person is a member. The Reporting Person
disclaims beneficial ownership of the securities held by the Partnership except to the extent of his pecuniary interest therein, and the inclusion of
these securities in this report shall not be deemed an admission of beneficial ownership of all the reported securities for purposes of Section 16
or for any other purpose.

F2: 18,372 of these shares are owned jointly with Reporting Person's spouse. Shares owned and held solely by the Reporting Person's spouse are
not included in this report, and the Reporting Person disclaims beneficial ownership of those shares.

F3: These securities are held by The Yohanan Family Partnership (the "Family Partnership") for which the Reporting Person is a partner. The
Reporting Person disclaims beneficial ownership of the securities held by the Family Partnership except to the extent of his pecuniary interest
therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of all the reported securities
for purposes of Section 16 or for any other purpose.