8-K

UNITED STATESSECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 8-K

CURRENT REPORT
PURSUANT TO SECTION 13 OR 15(D)OF THE SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported): October 16, 2017

BYLINE BANCORP, INC.
(Exact Name of Registrant as Specified in Its Charter)

Delaware
(State or Other Jurisdiction of Incorporation)

001-38139	36-3012593
(Commission File Number)	(I.R.S. Employer Identification No.)

180 North LaSalle Street, Suite 300 Chicago, Illinois	60601
(Address of Principal Executive Offices)	(Zip Code)

(773) 244-7000
Registrant’s Telephone Number, Including Area Code)

Not Applicable
(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

⃞ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

⃞ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

⃞ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

⃞ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company  ⊠

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  ⃞

Item 7.01. Regulation FD Disclosure

On October 16, 2017, Byline Bancorp, Inc. issued a press release announcing that it will announce its financial results for the third quarter of 2017 after the market close on October 26, 2017.  The press release is attached as Exhibit 99.1.

The information in this Form 8-K and the attached Exhibit 99.1 shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in any such filing.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits.

Exhibit No.	Description
99.1	Press Release, dated October 16, 2017

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SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

		BYLINE BANCORP, INC.
Date:	October 16, 2017	By:	/s/ Alberto J. Paracchini
			Name:	Alberto J. Paracchini
			Title:	President and Chief Executive Officer

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INDEX TO EXHIBITS

Exhibit No.	Description
99.1	Press Release, dated October 16, 2017

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EX-99.1

Exhibit 99.1

Byline Bancorp, Inc. to Announce Third Quarter 2017 Financial Results on Thursday, October 26

Conference call and webcast to be held on Friday, October 27

CHICAGO, Ill.--(BUSINESS WIRE)--October 16, 2017--Byline Bancorp, Inc. (NYSE: BY) announced today it will issue its third quarter 2017 financial results after market close on Thursday, October 26, 2017.

Byline Bancorp, Inc. will also host a conference call and webcast at 9:00 a.m. Central Time (10:00 a.m. Eastern Time) on Friday, October 27, 2017 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 27, 2017

Time: 9:00 a.m. Central Time

Telephone Access: (888) 317-6016

Telephone Replay (available through November 10, 2017): (877) 344-7529; passcode: 10113038

Webcast Access: A live webcast will be available on the Events & Presentations page in the Investor Relations section of Byline Bancorp, Inc.’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 holding company for Byline Bank, a full service commercial bank serving small- and medium-sized businesses, financial sponsors, and consumers. Byline Bank had $3.3 billion in assets at June 30, 2017, and operates more than 50 full service branch locations throughout the Chicago and Milwaukee metropolitan areas. Byline Bank offers a broad range of commercial and retail banking products and services including small ticket equipment leasing solutions and is one of the top 10 Small Business Administration lenders in the United States.

Forward-Looking Statements

This communication contains forward-looking statements within the meaning of the U.S. federal securities laws. Forward-looking statements include, without limitation, statements concerning plans, estimates, calculations, forecasts and projections with respect to the anticipated future performance of the Company. These statements are often, but not always, made through the use of words or phrases such as ‘‘may’’, ‘‘might’’, ‘‘should’’, ‘‘could’’, ‘‘predict’’, ‘‘potential’’, ‘‘believe’’, ‘‘expect’’, ‘‘continue’’, ‘‘will’’, ‘‘anticipate’’, ‘‘seek’’, ‘‘estimate’’, ‘‘intend’’, ‘‘plan’’, ‘‘projection’’, ‘‘would’’, ‘‘annualized’’, “target” and ‘‘outlook’’, or the negative version of those words or other comparable words or phrases of a future or forward-looking nature. Forward-looking statements reflect various assumptions and involve elements of subjective judgement and analysis which may or may not prove to be correct and which are subject to uncertainties and contingencies outside the control of Byline and its respective affiliates, directors, employees and other representatives, which could cause actual results to differ materially from those presented in this communication. No representations, warranties or guarantees are or will be made by Byline as to the reliability, accuracy or completeness of any forward-looking statements contained in this communication or that such forward-looking statements are or will remain based on reasonable assumptions. You should not place undue reliance on any forward-looking statements contained in this communication. Forward-looking statements speak only as of the date they are made, and we assume no obligation to update any of these statements in light of new information, future events or otherwise unless required under the federal securities laws.

CONTACT:
Media
Byline Bank
Erin O’Neill, 773-475-2901
Director of Marketing
eoneill@bylinebank.com
or
Investors
Financial Profiles, Inc.
Allyson Pooley, 310-622-8230
IRBY@bylinebank.com