BYLINE BANCORP, INC. — Director's Dealing 2018

Feb 14, 2018

SEC Form 5 — Annual Statement of Changes in Beneficial Ownership

Issuer: BYLINE BANCORP, INC. (BY)
CIK: 0001702750
Period of Report: 2017-12-31

Reporting Person: BIGGAM MEGAN (SVP of Retail Banking)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-10-03	Stock Option	$11.18	A	4063	Acquired	2025-06-26	Common Stock (4063)	Direct
2017-10-03	Stock Option	$11.18	A	12187	Acquired	2025-06-26	Common Stock (12187)	Direct

Footnotes

F1: Reflects the performance vesting of the remaining unvested portion of a stock option grant awarded to the reporting person on June 26, 2015. 20% of these earned options remain subject to time vesting and will vest on June 28, 2018, subject to continued service with the issuer.

F2: Reflects performance vesting of a stock option grant awarded to the reporting person on June 26, 2015. 20% of these earned options remain subject to time vesting and will vest on June 28, 2018, subject to continued service with the issuer.