UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO Commission File Number 001-38139 Byline Bancorp, Inc. (Exact name of Registrant as specified in its Charter) Delaware 36-3012593 (State or other jurisdiction of ...

Byline Bancorp, Inc. (NYSE:BY) Q4 2021 Earnings Conference Call January 28, 2022 10:00 AM ET Company Participants Roberto Herencia – Chairman and CEO Lindsay Corby – Chief Financial Officer Brooks Rennie – Head-Investor Relations Alberto Paracchini – President Conference Call Participants Ben Gerlinger – Hovde Group Nathan Race – Piper Sandler Terry McEvoy – Stephens Damon DelMonte – KBW Brian Martin – Janney Montgomery Operator Good morning and welcome to the Byline Bancorp, Fourth Quarter 2021 Earnings Ca ...

[PART I. FINANCIAL INFORMATION](index=3&type=section&id=PART%20I.%20FINANCIAL%20INFORMATION) [Financial Statements](index=3&type=section&id=Item%201.%20Financial%20Statements) This section presents Byline Bancorp, Inc.'s unaudited interim condensed consolidated financial statements for the three and nine months ended September 30, 2021 Key Financial Highlights (as of September 30, 2021 vs. December 31, 2020) | Financial Metric | September 30, 2021 | December 31, 2020 | Change | |---|---|---|---| | Total Assets | $6.70 billion | $6.39 billion | +4.9% | | Net Loans and Leases | $4.55 billion | $4.27 billion | +6.6% | | Total Deposits | $5.16 billion | $4.75 billion | +8.6% | | Total Stockholders' Equity | $824.4 million | $805.5 million | +2.3% | Key Operational Highlights (Nine Months Ended September 30, 2021 vs. 2020) | Operational Metric | Nine Months 2021 | Nine Months 2020 | Change | |---|---|---|---| | Net Income | $75.6 million | $25.2 million | +200% | | Diluted EPS | $1.95 | $0.64 | +205% | | Net Interest Income | $174.7 million | $159.0 million | +9.9% | | Provision for Loan and Lease Losses | $2.8 million | $45.7 million | -94.0% | [Note 1—Basis of Presentation](index=10&type=section&id=Note%201%E2%80%94Basis%20of%20Presentation) This note outlines the preparation of unaudited interim condensed consolidated financial statements in accordance with U.S. GAAP, affirming a single reportable segment - The financial statements are prepared under GAAP for interim reporting and should be read alongside the company's **2020 annual financial statements**[35](index=35&type=chunk) - The company operates as a **single reportable segment**, with consolidated information used for operational evaluation[37](index=37&type=chunk) [Note 3—Securities](index=12&type=section&id=Note%203%E2%80%94Securities) This note details the company's securities portfolio, comprising available-for-sale and held-to-maturity instruments, and addresses unrealized losses Securities Portfolio Summary (Fair Value) | Category | September 30, 2021 | December 31, 2020 | |---|---|---| | Securities Available-for-Sale | $1,427.6 million | $1,447.2 million | | Securities Held-to-Maturity | $4.0 million | $4.6 million | - As of September 30, 2021, **97 available-for-sale securities** had **temporary unrealized losses totaling $18.9 million**, with no intent or requirement to sell before cost recovery[53](index=53&type=chunk)[56](index=56&type=chunk) - Securities pledged as collateral decreased to **$361.0 million** at September 30, 2021, from **$731.8 million** at December 31, 2020[58](index=58&type=chunk) [Note 4—Loan and Lease Receivables](index=15&type=section&id=Note%204%E2%80%94Loan%20and%20Lease%20Receivables) This note details the loan and lease portfolio, which grew to **$4.61 billion** by September 30, 2021, highlighting key categories and PPP loan changes Loan and Lease Portfolio Composition | Loan Category | Sept 30, 2021 | Dec 31, 2020 | |---|---|---| | Commercial real estate | $1,615.9 million | $1,416.7 million | | Commercial and industrial | $1,535.4 million | $1,372.5 million | | Paycheck Protection Program (PPP) | $275.6 million | $527.0 million | | Residential real estate | $507.2 million | $569.4 million | | Lease financing receivables | $334.5 million | $223.3 million | | Construction, land development | $340.4 million | $231.6 million | | **Total Loans and Leases** | **$4,609.2 million** | **$4,340.5 million** | - Originated loans and leases increased to **$4.10 billion**, while acquired portfolios decreased due to reclassification and paydowns[68](index=68&type=chunk)[70](index=70&type=chunk) [Note 5—Allowance for Loan and Lease Losses and Reserve for Unfunded Commitments](index=18&type=section&id=Note%205%E2%80%94Allowance%20for%20Loan%20and%20Lease%20Losses%20and%20Reserve%20for%20Unfunded%20Commitments) This note details the Allowance for Loan and Lease Losses (ALLL), which decreased to **$60.6 million** by September 30, 2021, reflecting lower provisions and net charge-offs ALLL Activity (Nine Months Ended Sept 30, 2021) | Metric | Amount (in thousands) | |---|---| | Beginning Balance (Jan 1, 2021) | $66,347 | | Provision for Loan & Lease Losses | $2,750 | | Charge-offs | ($10,366) | | Recoveries | $1,867 | | **Ending Balance (Sept 30, 2021)** | **$60,598** | - The ALLL to total loans ratio was **1.31%** at September 30, 2021, decreasing from **1.53%** at year-end 2020[299](index=299&type=chunk) - Total non-accrual loans decreased to **$34.5 million** at September 30, 2021, from **$41.1 million** at December 31, 2020[91](index=91&type=chunk) - Troubled Debt Restructurings (TDRs) decreased to **$4.2 million** at September 30, 2021, from **$8.1 million** at year-end 2020[91](index=91&type=chunk)[94](index=94&type=chunk)[95](index=95&type=chunk) [Note 11—Deposits](index=30&type=section&id=Note%2011%E2%80%94Deposits) This note details the **$5.16 billion** increase in total deposits by September 30, 2021, primarily driven by growth in non-interest-bearing demand deposits Deposit Composition | Deposit Type | Sept 30, 2021 | Dec 31, 2020 | |---|---|---| | Non-interest-bearing demand | $2,117.7 million | $1,762.7 million | | Interest-bearing checking | $652.8 million | $494.4 million | | Money market demand | $1,057.4 million | $1,142.7 million | | Other savings | $627.3 million | $564.7 million | | Time deposits | $703.0 million | $787.5 million | | **Total Deposits** | **$5,158.3 million** | **$4,752.0 million** | [Note 17 – Share-Based Compensation](index=42&type=section&id=Note%2017%20%E2%80%93%20Share-Based%20Compensation) This note outlines share-based compensation under the 2017 Omnibus Plan, detailing restricted stock grants and outstanding awards, with **$2.97 million** in related expense - A total of **308,452 restricted shares** were granted in the first nine months of 2021, with various vesting schedules[189](index=189&type=chunk)[190](index=190&type=chunk) - As of September 30, 2021, **698,331 shares** were available for future grants under the 2017 Omnibus Plan[187](index=187&type=chunk) - Total unrecognized compensation expense for restricted stock was **$7.8 million**, with a remaining weighted-average amortization period of **2.4 years**[195](index=195&type=chunk) [Note 19—Stockholders' Equity](index=45&type=section&id=Note%2019%E2%80%94Stockholders%27%20Equity) This note details stockholders' equity at **$824.4 million** as of September 30, 2021, including share repurchases and common stock dividends declared - The Board of Directors expanded the stock repurchase program in July 2021, authorizing the repurchase of an additional **1,250,000 shares**[213](index=213&type=chunk) - During the nine months ended September 30, 2021, the company repurchased **1,331,708 shares** at a cost of **$28.9 million**[214](index=214&type=chunk) - Cash dividends of **$0.09 per common share** were declared for Q3 2021, totaling **$0.21 per share** for the first nine months[215](index=215&type=chunk) [Management's Discussion and Analysis of Financial Condition and Results of Operations](index=47&type=section&id=Item%202.%20Management%27s%20Discussion%20and%20Analysis%20of%20Financial%20Condition%20and%20Results%20of%20Operations) This section provides management's overview of the company's financial performance and condition, highlighting significant increases in net income and asset growth Q3 2021 vs Q3 2020 Performance | Metric | Q3 2021 | Q3 2020 | Change | |---|---|---|---| | Net Income | $25.3 million | $13.1 million | +$12.2 million | | Diluted EPS | $0.66 | $0.34 | +$0.32 | | Net Interest Income | $59.8 million | $53.5 million | +$6.3 million | | Provision for Loan/Lease Losses | $0.4 million | $15.7 million | -$15.3 million | - The significant increase in net income was primarily driven by a substantial decrease in the **provision for loan and lease losses**, reflecting improved credit quality[269](index=269&type=chunk)[273](index=273&type=chunk) - Total assets increased by **$313.8 million (4.9%)** to **$6.7 billion**, supported by a **$406.2 million (8.5%)** increase in total deposits[327](index=327&type=chunk)[328](index=328&type=chunk) - Active payment deferrals related to COVID-19 were reduced to **$2.0 million**, representing **0.05%** of loans and leases (excluding PPP loans)[229](index=229&type=chunk)[352](index=352&type=chunk) [Results of Operations](index=52&type=section&id=MD%26A_Results%20of%20Operations) This section details the company's operating results, highlighting a significant increase in net income for both the quarter and nine-month period, driven by lower provisions and higher net interest income - The increase in net interest income for Q3 2021 was driven by **higher average loan balances** and a **lower cost of funds**[270](index=270&type=chunk) - The decrease in non-interest income for Q3 2021 was mainly due to a **downward revaluation of the loan servicing asset**[270](index=270&type=chunk)[300](index=300&type=chunk) - The increase in non-interest expense for Q3 2021 was primarily due to **higher salaries and employee benefits** from new hires[312](index=312&type=chunk)[314](index=314&type=chunk) - The efficiency ratio for Q3 2021 was **54.18%**, with an adjusted efficiency ratio of **52.35%**[272](index=272&type=chunk)[322](index=322&type=chunk) [Financial Condition](index=62&type=section&id=MD%26A_Financial%20Condition) This section details the company's financial condition, reporting **$6.7 billion** in total assets and **$5.2 billion** in deposits as of September 30, 2021, while maintaining a well-capitalized status - Total assets grew by **$313.8 million**, driven by a **$268.7 million** increase in loans and leases[327](index=327&type=chunk) - Total deposits increased by **$406.2 million**, with non-interest-bearing deposits growing by **$355.1 million**[328](index=328&type=chunk)[368](index=368&type=chunk) - Non-performing assets decreased by **21.0%** to **$37.5 million** from **$47.5 million** at year-end 2020[364](index=364&type=chunk) - The company and Byline Bank exceeded all regulatory capital requirements, with the company's Total capital to risk-weighted assets ratio at **14.78%**[389](index=389&type=chunk)[390](index=390&type=chunk) [Quantitative and Qualitative Disclosures About Market Risk](index=78&type=section&id=Item%203.%20Quantitative%20and%20Qualitative%20Disclosures%20About%20Market%20Risk) This section details the company's primary market risk, interest rate risk, and its management through simulation models, along with credit risk mitigation strategies - The primary market risk is identified as **interest rate risk**, arising from mismatches in asset and liability repricing[414](index=414&type=chunk) Net Interest Income Sensitivity (Immediate Parallel Shift) | Rate Change | % Change in NII (Year 1) | % Change in NII (Year 2) | |---|---|---| | +300 bps | +23.7% | +34.7% | | +200 bps | +15.1% | +22.8% | | +100 bps | +5.7% | +9.7% | | -100 bps | -3.2% | -6.8% | - The company manages credit risk through **well-defined underwriting policies**, portfolio diversification, and an independent credit review process[416](index=416&type=chunk) [Controls and Procedures](index=83&type=section&id=Item%204.%20Controls%20and%20Procedures) Management concluded that the company's disclosure controls and procedures were effective as of September 30, 2021, with no material changes to internal control over financial reporting - The CEO and CFO concluded that the company's **disclosure controls and procedures were effective** as of September 30, 2021[423](index=423&type=chunk) - No material changes occurred in internal control over financial reporting during the quarter ended September 30, 2021[424](index=424&type=chunk) [PART II. OTHER INFORMATION](index=84&type=section&id=PART%20II.%20OTHER%20INFORMATION) [Legal Proceedings](index=84&type=section&id=Item%201.%20Legal%20Proceedings) The company is not currently involved in any legal proceedings expected to have a material adverse effect on its financial condition or operations - The company is not currently party to any legal proceedings expected to have a **material adverse effect** on its business or financial condition[428](index=428&type=chunk) [Risk Factors](index=84&type=section&id=Item%201A.%20Risk%20Factors) No material changes to the risk factors previously disclosed in the company's 2020 Annual Report on Form 10-K have occurred - No **material changes** to risk factors have occurred since the filing of the 2020 Form 10-K[429](index=429&type=chunk) [Unregistered Sales of Equity Securities and Use of Proceeds](index=84&type=section&id=Item%202.%20Unregistered%20Sales%20of%20Equity%20Securities%20and%20Use%20of%20Proceeds) This section details the company's stock repurchase program, expanded in July 2021, and the shares repurchased during the third quarter Share Repurchases (Quarter Ended September 30, 2021) | Period | Total Shares Purchased | Average Price Paid per Share | |---|---|---| | July 2021 | 378,512 Shares | $22.56 per Share | | August 2021 | 1,268 Shares | $25.17 per Share | | September 2021 | 81,948 Shares | $22.92 per Share | | **Total** | **461,728 Shares** | **$22.63 per Share** | - The Board of Directors authorized an expansion of the stock repurchase program on July 27, 2021, allowing for the repurchase of an additional **1,250,000 shares**[430](index=430&type=chunk) [Defaults Upon Senior Securities](index=84&type=section&id=Item%203.%20Defaults%20Upon%20Senior%20Securities) No defaults upon senior securities were reported during the period - No defaults upon senior securities occurred during the period[432](index=432&type=chunk) [Other Information](index=84&type=section&id=Item%205.%20Other%20Information) No other information was reported under this item - No other information was reported under this item[434](index=434&type=chunk)

Financial Data and Key Metrics Changes - Net income for the quarter was $25.3 million or $0.66 per share, slightly lower than the previous quarter due to a $2.7 million fair value mark on servicing assets, impacting earnings by approximately $0.07 per diluted share [9][10] - Pre-tax pre-provision revenue was $34.2 million, resulting in a pre-tax pre-provision ROA of 207 basis points, while ROA was 153 basis points, down from the previous quarter but up 72 basis points year-over-year [10] - The efficiency ratio remained around 52%, despite higher compensation costs [19][35] Business Line Data and Key Metrics Changes - Total loans, excluding PPP, increased by $348 million or 35% annualized, reaching $4.4 billion at quarter-end, with $428 million in loan production, a record for the company [12][22] - Government-guaranteed lending business achieved record production with $195 million in closed loans, up 36% from the prior quarter [15] - Non-interest income decreased by $2.5 million primarily due to a $2.7 million loan servicing asset revaluation charge [31] Market Data and Key Metrics Changes - Deposits grew by $66 million or 5.2% annualized, totaling $5.2 billion, with strong inflows from commercial deposits [16][26] - Commercial line utilization increased to 52.4% from 50.6% in the previous quarter, indicating healthy demand for credit [14] - The company remains the fifth largest 7(a) lender in the U.S. as of the government's fiscal year-end on September 30 [15] Company Strategy and Development Direction - The company aims to achieve quality organic loan growth across its lending businesses and continues to add talent to support this objective [39][41] - There is a focus on managing expenses while investing in digital capabilities to enhance operational efficiency [39][67] - The company is actively evaluating M&A opportunities that fit its strategic criteria, particularly in the greater Chicago Metro area [42][75] Management's Comments on Operating Environment and Future Outlook - Management remains optimistic about growth in the latter part of the year and into next year, despite concerns over the Delta variant and supply chain challenges [43] - The company expects to see an increase in loan production as the economy continues to recover, with a strong pipeline for future growth [43][86] - Management is cautious regarding charge-offs and reserves, emphasizing the need to remain vigilant as economic conditions evolve [57] Other Important Information - The capital position remains strong with a CET1 ratio of 11.3% and a total capital ratio of 14.8% [20] - Approximately 49% of earnings have been returned to shareholders through dividends and share repurchases [38] - The company repurchased approximately 460,000 shares during the quarter, reflecting its strong capital position [20][39] Q&A Session Summary Question: Overview of the banking landscape and Byline's growth strategy - Management emphasized the importance of a diversified lending business, which provides stability and flexibility in terms of yield [46][47] Question: Drivers of loan growth and shared gains - Loan growth was supported by lower-than-expected prepayments and contributions from newly added bankers [50][52] Question: Outlook for charge-offs and reserves - Management remains vigilant regarding charge-offs, particularly as economic stimulus wears off, and will continue to monitor the credit environment closely [56][57] Question: Growth in legacy portfolios versus new teams - Growth was observed in both legacy C&I and commercial real estate portfolios, with increased customer activity noted [60][62] Question: Digital banking initiatives and tech spending - The company is focused on enhancing digital capabilities, including the ability to open business accounts digitally, with plans to roll this out in early 2022 [66][67] Question: Expense outlook and hiring plans - The expense guidance includes new hires made towards the end of the quarter, with potential for additional hires based on opportunities [68][69] Question: M&A criteria and target characteristics - The company looks for strategic fits in potential targets, focusing on complementary deposit franchises and opportunities for cost efficiencies [74][75]

Investor Presentation – September 2021 BY Byline Bancorp, Inc. BY LISTED NYSE 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 ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2021 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from ______to ______ Commission File Number 001-38139 Byline Bancorp, Inc. (Exact Name of Registrant as Specified in Its Charter) Delaware 36-3012593 (State or Other Jurisdict ...

Byline Bancorp, Inc. (NYSE:BY) Q2 2021 Earnings Conference Call July 30, 2021 10:00 AM ET Company Participants Brooks Rennie - Head of Investor Relations Alberto Paracchini - President Lindsay Corby - Chief Financial Officer Roberto Herencia - Chairman & Chief Executive Officer Conference Call Participants Terry McEvoy - Stephens Nathan Race - Piper Sandler Tim Switzer - KBW Brian Martin - Janney Montgomery Operator Good morning and welcome to the Byline Bancorp Second Quarter 2021 Earnings Conference Call ...

Q2 2021 Conference Call BY Byline Bancorp, Inc. BY LISTED NYSE 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'', ''migh ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2021 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from ______to ______ Commission File Number 001-38139 Byline Bancorp, Inc. (Exact Name of Registrant as Specified in Its Charter) Delaware 36-3012593 (State or Other Jurisdic ...

Byline Bancorp, Inc. (NYSE:BY) Q1 2021 Earnings Conference Call April 30, 2021 10:00 AM ET Company Participants Tony Rossi - Financial Profiles Alberto Paracchini - President Lindsay Corby - Chief Financial Officer Roberto Herencia - Executive Chairman & Chief Executive Officer Conference Call Participants Terry McEvoy - Stephens Ebrahim Poonawala - Bank of America Michael Perito - KBW Nathan Race - Piper Sandler Brian Martin - Janney Montgomery Michael Perito - KBW Operator Good day, and welcome to the Byl ...