BYLINE BANCORP, INC. — Director's Dealing 2017

Jul 7, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: BYLINE BANCORP, INC. (BY)
CIK: 0001702750
Period of Report: 2017-02-22

Reporting Person: HERENCIA ROBERTO R (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-02-22	Common Stock	P	2160	$16.25	Acquired	81435	Direct
2017-02-22	Common Stock	P	10147	$16.25	Acquired	10147	Indirect
2017-07-06	Common Stock	P	22500	$19.00	Acquired	103935	Direct

Footnotes

F1: Represents shares of common stock of the issuer's predecessor, Byline Bancorp, Inc., an Illinois corporation ("Byline Illinois") purchased by Mr. Herencia from another stockholder in a private transaction prior to Byline Illinois's reincorporation in Delaware on June 16, 2017 by way of merger with the issuer. The number of shares of common stock, par value $0.01 per share ("Common Stock"), purchased and the price per share of Common Stock are presented after giving effect to the exchange ratio in the reincorporation merger of one share of the issuer's Common Stock for every five shares of Byline Illinois common stock held by each holder, subject to a cash payment in lieu of fractional shares.

F2: Shares of Common Stock are held through the Roberto Herencia Inc. Defined Benefit Plan. Mr Herencia possesses the voting and investment power with respect to the shares of Common Stock held by the Roberto Herencia Inc. Defined Benefit Plan.

F3: Represents shares of Common Stock of the issuer purchased through a reserved share program in connection with the initial public offering of the Common Stock, which closed on July 6, 2017.