Byline Bancorp, Inc. Reports Second Quarter 2026 Financial Results

Byline Bancorp, Inc. Reports Second Quarter 2026 Financial Results Second quarter net income of $40.2 million, $0.90 diluted earnings per share Byline Bancorp, Inc. (NYSE: BY), today reported: At or for the quarter Second Quarter Highlights (compared to 1Q26 unless specified) 2Q26 1Q26 2Q25 Financial Results ($ in thousands) • Delivered strong quarterly results, reflecting Net interest income (NII) $ 100,836 $ 99,863 $ 95,982 record revenues and solid growth Non-interest income 16,876 12,538 14,471 Total revenue(1) 117,712 112,401 110,453 • Adjusted EPS(1) of $0.91, up 9.6% LQ and 21.3% Y/Y Non-interest expense (NIE) 56,479 57,189 59,602 Pre-tax pre-provision net income (PTPP)(1) 61,233 55,212 50,851 • ROAA of 1.63%; ROTCE(1) of 14.47% Provision for credit losses 7,162 5,537 11,923 Provision for income taxes 13,890 12,096 8,846 • PTPP ROAA of 2.49%(1), 15th consecutive Net income $ 40,181 $ 37,579 $ 30,082 quarter greater than 2.00% Per Share • TBV per common share of $24.48(1), up 2.9% LQ Diluted earnings per share (EPS) $ 0.90 $ 0.83 $ 0.66 and 13.6% Y/Y Dividends declared per common share 0.12 0.12 0.10 Book value per common share 28.86 28.17 26.00 Income Statement Tangible book value per common share(1) 24.48 23.79 21.56 • Net interest income of $100.8 million, up 1.0% Balance Sheet & Credit Quality ($ in thousands) • Non-interest income of $16.9 million, up 34.6%, Total deposits $ 7,870,762 $ 7,801,816 $ 7,810,479 including higher GOS volume and FV marks Total loans and leases 7,563,929 7,484,958 7,353,869 Net charge-offs 4,446 5,950 7,656 • Non-interest expense of $56.5 million, down 1.2% Allowance for credit losses (ACL) 111,861 108,879 107,727 ACL to total loans and leases held for investment 1.48 % 1.46 % 1.47 % • Adjusted efficiency ratio(1) improved 327 bps to 46.51%, best as a public company Select Ratios (annualized where applicable) Efficiency ratio(1) 46.93 % 49.78 % 52.61 % Balance Sheet Return on average assets (ROAA) 1.63 % 1.56 % 1.25 % • Total assets stood at $9.9 billion, up 0.2% Return on average stockholders' equity 12.05 % 11.43 % 10.24 % Return on average tangible common equity(1) 14.47 % 13.77 % 12.83 % • Total deposits grew $68.9 million, or 3.5%(2) Net interest margin (NIM) 4.28 % 4.33 % 4.18 % Common equity to total assets 13.13 % 12.92 % 12.27 % • Total loans and leases grew $79.0 million, or 4.2%(2) Tangible common equity to tangible assets(1) 11.36 % 11.13 % 10.39 % Common equity tier 1 12.92 % 12.55 % 11.85 % • Total payout ratio(3): 35.9% CEO/President Commentary Roberto R. Herencia, Executive Chairman and CEO of Byline Bancorp, commented, "Our second quarter results reflect the strength of our franchise and disciplined execution, highlighted by strong operating fundamentals resulting in our Board's decision to increase our dividend by 16.7%. We remain confident in our ability to continue to build on our market position as we pursue our objective of becoming the preeminent commercial bank in Chicago. I want to thank our employees, who are fundamental to our success and the long-term value we create for our stockholders." Alberto J. Paracchini, President of Byline Bancorp, added, "We are pleased with our excellent operating performance for the quarter and first half of the year, with EPS increasing by 8% linked quarter and 36% year-over-year, which reflects stable balance sheet trends, consistent credit quality, and disciplined expense management. Our business continued to perform well, and we enter the second half of 2026 with good momentum." (1) Represents non-GAAP financial measures. See “Reconciliation of non-GAAP Financial Measures” for a reconciliation to the most directly comparable GAAP financial measure. (2) Annualized. (3) Total payout ratio is inclusive of dividends and share repurchases. Board Declares Cash Dividend of $0.14 per Share On July 21, 2026, the Company's Board of Directors declared a cash dividend of $0.14 per share, which represents a 16.7% increase from the previous quarterly dividend of $0.12 per share. The dividend will be paid on August 18, 2026, to stockholders of record of the Company's common stock as of August 4, 2026. STATEMENTS OF OPERATIONS HIGHLIGHTS Net Interest Income Net interest income for the second quarter of 2026 was $100.8 million, an increase of $973,000, or 1.0%, from the first quarter of 2026. The increase in net interest income was primarily due to one additional calendar day, partially offset by higher interest expense related to increased funding costs. Tax-equivalent net interest margin(1) for the second quarter of 2026 was 4.29%, a decrease of five basis points compared to the first quarter of 2026. The decrease primarily reflected modest compression in earning asset yields and higher funding costs. Net loan accretion income contributed 11 basis points to the net interest margin for the quarter. The average cost of total deposits was 1.92% for the second quarter of 2026, a modest increase of one basis point compared to the first quarter of 2026. Provision for Credit Losses The provision for credit losses was $7.2 million for the second quarter of 2026, an increase of $1.6 million, or 29.3%, compared to $5.5 million for the first quarter of 2026, mainly due to additional allocation on individually assessed loans and growth in the loan and lease portfolio. Non-interest Income Non-interest income for the second quarter of 2026 was $16.9 million, an increase of $4.3 million, or 34.6%, compared to $12.5 million for the first quarter of 2026. The increase in total non-interest income was principally driven by four factors: a $1.9 million favorable change in the fair value of equity securities, a $736,000 improvement in the fair value adjustment on loan servicing assets, $627,000 in higher net gains on sales of loans, and higher other non-interest income, primarily reflecting gains on sales of leased assets and swap fee income. Net gains on sales of loans totaled $6.1 million for the quarter, an increase of $627,000, or 11.5%, compared to the prior quarter. During the second quarter of 2026, we sold $78.1 million of U.S. government guaranteed loans compared to $71.8 million during the first quarter of 2026. Non-interest Expense Non-interest expense for the second quarter of 2026 was $56.5 million, a decrease of $710,000, or 1.2%, compared to $57.2 million for the first quarter of 2026. The decrease in non-interest expense was primarily driven by a $673,000 decline in net losses recognized on other real estate owned, a $589,000 decrease in salaries and employee benefits expense, and a $380,000 decrease in occupancy and equipment expense, partially offset by a $496,000 impairment charge related to a closed branch held for sale and higher other non-interest expense. Our efficiency ratio was 46.93%(1), and our adjusted efficiency ratio was 46.51%(1), each compared to 49.78%(1) for the first quarter of 2026, an improvement of 285 basis points and 327 basis points, respectively. The improvement in the efficiency ratio was driven by increased revenue and lower non-interest expense. Income Taxes We recorded income tax expense of $13.9 million during the second quarter of 2026, compared to $12.1 million during the first quarter of 2026. The effective tax rates were 25.7% and 24.4% for the second quarter of 2026 and first quarter of 2026, respectively. This increase was primarily driven by income tax benefits related to share-based compensation recorded in the prior quarter. STATEMENTS OF FINANCIAL CONDITION HIGHLIGHTS Assets Total assets were $9.9 billion as of June 30, 2026, an increase of $22.8 million, or 0.2%, compared to $9.9 billion at March 31, 2026. The increase was primarily driven by a $67.1 million increase to loans and leases held for investment, largely in originated commercial and industrial loans, partially offset by a decrease in securities available-for-sale of $39.4 million, mainly due to principal paydowns. Allowance for Credit Losses The ACL was $111.9 million as of June 30, 2026, an increase of $3.0 million, or 2.7%, from March 31, 2026, mainly due to an increased provision for credit losses on individually assessed loans and lower net charge-offs on loans and leases. Net loan and lease charge-offs during the second quarter of 2026 were $4.4 million, or 0.24% of average loans and leases on an annualized basis, a decrease of $1.5 million and eight basis points, compared to the first quarter of 2026. The decrease was primarily driven by higher recoveries compared to the prior quarter and lower charge-offs on government guaranteed loans. Asset Quality Non-performing assets were $72.2 million, or 0.73% of total assets, as of June 30, 2026, an increase of $2.1 million from March 31, 2026. The increase was primarily due to increased non-accrual loans and leases. The government guaranteed portion of non-performing loans included in non-performing assets was $8.1 million at June 30, 2026, compared to $7.7 million at March 31, 2026, an increase of $399,000. Deposits and Other Liabilities Total deposits increased $68.9 million, or 0.9% to $7.9 billion at June 30, 2026 from $7.8 billion as of March 31, 2026. The increase was primarily driven by growth in interest-bearing deposits. Total borrowings and other liabilities were $757.5 million at June 30, 2026, a decrease of $70.1 million from $827.6 million at March 31, 2026. The decrease for the quarter was primarily driven by lower FHLB advances. Stockholders’ Equity Total stockholders’ equity was $1.3 billion at June 30, 2026, an increase of $23.9 million, or 1.9%, from March 31, 2026, primarily due to net income of $40.2 million, partially offset by share repurchases, dividends declared, and an increase in accumulated other comprehensive loss related to available-for-sale securities. During the quarter ended June 30, 2026, we repurchased 274,528 shares of our common stock. Conference Call, Webcast and Slide Presentation We will host a conference call and webcast at 9:00 a.m. Central Time on Friday, July 24, 2026, to discuss our quarterly financial results. Analysts and investors may participate in the question-and-answer session. The call can be accessed via telephone at (833) 461-5787; Meeting ID: 439 867 942. A slide presentation relating to our second quarter 2026 results will be accessible prior to the conference call. The slide presentation and webcast of the conference call can be accessed on our investor relations website at www.bylinebancorp.com. About Byline Bancorp, Inc. Headquartered in Chicago, Byline Bancorp, Inc. is the parent company of Byline Bank, a full service commercial bank serving small- and medium-sized businesses, financial sponsors, and consumers. Byline Bank has approximately $9.9 billion in assets and operates 44 branch locations throughout the Chicago and Milwaukee metropolitan areas. Byline Bank offers a broad range of commercial and community banking products and services including small ticket equipment leasing solutions and is one of the top 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 involve estimates and known and unknown risks, and reflect various assumptions and involve elements of subjective judgment 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. Certain risks and important factors that could affect Byline’s future results are identified in our Annual Report on Form 10-K and other reports we file with the Securities and Exchange Commission, including among other things under the heading “Risk Factors” in our Annual Report on Form 10-K for the year ended December 31, 2025. Any forward-looking statement speaks only as of the date on which it is made, and Byline undertakes no obligation to update any forward-looking statement, whether to reflect events or circumstances after the date on which the statement is made, to reflect new information or the occurrence of unanticipated events, or otherwise unless required under the federal securities laws. BYLINE BANCORP, INC. AND SUBSIDIARIES CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION (unaudited) June 30, March 31, June 30, (dollars in thousands) 2026 2026 2025 ASSETS Cash and due from banks $ 77,159 $ 62,341 $ 75,114 Interest bearing deposits with other banks 116,400 136,027 143,258 Cash and cash equivalents 193,559 198,368 218,372 Equity and other securities, at fair value 7,476 9,561 10,759 Securities available-for-sale, at fair value 1,616,748 1,656,180 1,575,240 Restricted stock, at cost 18,777 20,615 18,649 Loans held for sale 21,518 9,686 25,814 Loans and leases: Loans and leases 7,542,411 7,475,272 7,328,055 Allowance for credit losses - loans and leases (111,861 ) (108,879 ) (107,727 ) Net loans and leases 7,430,550 7,366,393 7,220,328 Servicing assets, at fair value 19,291 18,942 18,797 Premises and equipment, net 55,981 57,317 59,544 Other real estate owned, net 3,153 2,890 4,946 Goodwill and other intangible assets, net 198,050 199,285 203,508 Bank-owned life insurance 109,414 108,481 105,714 Deferred tax assets, net 40,624 45,525 57,104 Accrued interest receivable and other assets 217,324 216,437 201,443 Total assets $ 9,932,465 $ 9,909,680 $ 9,720,218 LIABILITIES AND STOCKHOLDERS’ EQUITY LIABILITIES Non-interest-bearing demand deposits $ 1,826,739 $ 1,818,981 $ 1,773,229 Interest-bearing deposits 6,044,023 5,982,835 6,037,250 Total deposits 7,870,762 7,801,816 7,810,479 Other borrowings 460,449 504,520 414,110 Subordinated notes, net 73,967 73,938 74,127 Junior subordinated debentures issued to capital trusts, net 71,814 71,612 71,136 Accrued expenses and other liabilities 151,258 177,502 157,950 Total liabilities 8,628,250 8,629,388 8,527,802 STOCKHOLDERS’ EQUITY Common stock 471 471 471 Additional paid-in capital 756,361 754,582 756,029 Retained earnings 712,588 677,854 583,170 Treasury stock (78,627 ) (71,048 ) (57,015 ) Accumulated other comprehensive loss, net of tax (86,578 ) (81,567 ) (90,239 ) Total stockholders’ equity 1,304,215 1,280,292 1,192,416 Total liabilities and stockholders’ equity $ 9,932,465 $ 9,909,680 $ 9,720,218 BYLINE BANCORP, INC. AND SUBSIDIARIES CONSOLIDATED STATEMENTS OF OPERATIONS (unaudited) Three Months Ended (dollars in thousands, June 30, March 31, June 30, except per share data) 2026 2026 2025 INTEREST AND DIVIDEND INCOME Interest and fees on loans and leases $ 127,524 $ 125,950 $ 128,199 Interest on securities 14,426 13,589 13,907 Other interest and dividend income 2,356 2,117 2,433 Total interest and dividend income 144,306 141,656 144,539 INTEREST EXPENSE Deposits 37,338 36,284 44,380 Other borrowings 3,273 2,658 1,396 Subordinated notes and debentures 2,859 2,851 2,781 Total interest expense 43,470 41,793 48,557 Net interest income 100,836 99,863 95,982 PROVISION FOR CREDIT LOSSES 7,162 5,537 11,923 Net interest income after provision for credit losses 93,674 94,326 84,059 NON-INTEREST INCOME Fees and service charges on deposits 2,853 2,919 2,633 Loan servicing revenue 3,047 3,041 3,071 Loan servicing asset revaluation (1,126 ) (1,862 ) (2,150 ) ATM and interchange fees 1,377 931 1,059 Net gains (losses) on sales of securities available-for-sale 21 — (37 ) Change in fair value of equity securities, net 814 (1,099 ) 83 Net gains on sales of loans 6,095 5,468 5,414 Wealth management and trust income 1,270 1,262 1,074 Other non-interest income 2,525 1,878 3,324 Total non-interest income 16,876 12,538 14,471 NON-INTEREST EXPENSE Salaries and employee benefits 35,656 36,245 37,819 Occupancy and equipment expense, net 4,065 4,445 4,739 Impairment charge on assets held for sale 496 — — Loan and lease related expenses 752 929 938 Legal, audit, and other professional fees 3,231 3,244 4,843 Data processing 4,866 4,925 4,986 Net loss (gain) recognized on other real estate owned and other related expenses 137 810 (44 ) Other intangible assets amortization expense 1,235 1,235 1,499 Other non-interest expense 6,041 5,356 4,822 Total non-interest expense 56,479 57,189 59,602 INCOME BEFORE PROVISION FOR INCOME TAXES 54,071 49,675 38,928 PROVISION FOR INCOME TAXES 13,890 12,096 8,846 NET INCOME $ 40,181 $ 37,579 $ 30,082 EARNINGS PER COMMON SHARE Basic $ 0.90 $ 0.84 $ 0.66 Diluted $ 0.90 $ 0.83 $ 0.66 BYLINE BANCORP, INC. AND SUBSIDIARIES SELECTED FINANCIAL DATA (unaudited) As of or For the Three Months Ended (dollars in thousands, except share June 30, March 31, June 30, and per share data) 2026 2026 2025 Earnings per Common Share Basic earnings per common share $ 0.90 $ 0.84 $ 0.66 Diluted earnings per common share $ 0.90 $ 0.83 $ 0.66 Adjusted diluted earnings per common share(1)(3) $ 0.91 $ 0.83 $ 0.75 Weighted average common shares outstanding (basic) 44,596,967 44,739,433 45,306,240 Weighted average common shares outstanding (diluted) 44,789,192 45,045,804 45,484,392 Common shares outstanding 45,191,493 45,442,851 45,866,649 Cash dividends per common share $ 0.12 $ 0.12 $ 0.10 Dividend payout ratio on common stock 13.33 % 14.46 % 15.15 % Book value per common share $ 28.86 $ 28.17 $ 26.00 Tangible book value per common share(1) $ 24.48 $ 23.79 $ 21.56 Key Ratios and Performance Metrics (annualized where applicable) Net interest margin 4.28 % 4.33 % 4.18 % Net interest margin, fully taxable equivalent(1)(4) 4.29 % 4.34 % 4.19 % Average cost of deposits 1.92 % 1.91 % 2.27 % Efficiency ratio(1)(2) 46.93 % 49.78 % 52.61 % Adjusted efficiency ratio(1)(2)(3) 46.51 % 49.78 % 48.20 % Non-interest income to total revenues(1) 14.34 % 11.15 % 13.10 % Non-interest expense to average assets 2.29 % 2.37 % 2.48 % Adjusted non-interest expense to average assets(1)(3) 2.27 % 2.37 % 2.28 % Return on average stockholders' equity 12.05 % 11.43 % 10.24 % Adjusted return on average stockholders' equity(1)(3) 12.16 % 11.43 % 11.51 % Return on average assets 1.63 % 1.56 % 1.25 % Adjusted return on average assets(1)(3) 1.65 % 1.56 % 1.41 % Pre-tax pre-provision return on average assets(1) 2.49 % 2.29 % 2.12 % Adjusted pre-tax pre-provision return on average assets(1)(3) 2.51 % 2.29 % 2.32 % Return on average tangible common stockholders' equity(1) 14.47 % 13.77 % 12.83 % Adjusted return on average tangible common stockholders' equity(1)(3) 14.60 % 13.77 % 14.37 % Non-interest-bearing deposits to total deposits 23.21 % 23.31 % 22.70 % Loans and leases held for sale and loans and lease held for investment to total deposits 96.10 % 95.94 % 94.15 % Deposits to total liabilities 91.22 % 90.41 % 91.59 % Deposits per branch $ 178,881 $ 173,374 $ 173,566 Asset Quality Ratios Non-performing loans and leases to total loans and leases held for investment, net before ACL 0.92 % 0.90 % 0.92 % Total non-performing assets as a percentage of total assets 0.73 % 0.71 % 0.75 % ACL to total loans and leases held for investment, net before ACL 1.48 % 1.46 % 1.47 % Net charge-offs to average total loans and leases held for investment, net before ACL - loans and leases 0.24 % 0.32 % 0.43 % Capital Ratios Common equity to total assets 13.13 % 12.92 % 12.27 % Tangible common equity to tangible assets(1) 11.36 % 11.13 % 10.39 % Leverage ratio 12.79 % 12.62 % 11.92 % Common equity tier 1 capital ratio 12.92 % 12.55 % 11.85 % Tier 1 capital ratio 13.88 % 13.51 % 12.83 % Total capital ratio 15.96 % 15.55 % 14.87 % (1) Represents a non-GAAP financial measure. See “Reconciliation of non-GAAP Financial Measures” for a reconciliation of our non-GAAP measures to the most directly comparable GAAP financial measure. (2) Represents non-interest expense less amortization of intangible assets divided by net interest income and non-interest income. (3) Calculation excludes merger-related expenses, secondary public offering of common stock expenses, and impairment charges on assets held for sale. (4) Interest income and rates include the effects of a tax equivalent adjustment to adjust tax exempt investment income on tax exempt investment securities to a fully taxable basis, assuming a federal income tax rate of 21%. BYLINE BANCORP, INC. AND SUBSIDIARIES QUARTER-TO-DATE STATEMENT OF AVERAGE INTEREST-EARNING ASSETS AND AVERAGE INTEREST-BEARING LIABILITIES (unaudited) For the Three Months Ended June 30, 2026 March 31, 2026 June 30, 2025 (dollars in thousands) Average Balance(5) Interest Inc / Exp Avg. Yield / Rate Average Balance(5) Interest Inc / Exp Avg. Yield / Rate Average Balance(5) Interest Inc / Exp Avg. Yield / Rate ASSETS Cash and cash equivalents $ 145,381 $ 1,132 3.12 % $ 126,721 $ 993 3.18 % $ 183,162 $ 1,667 3.64 % Loans and leases(1) 7,472,818 127,524 6.84 % 7,469,281 125,950 6.84 % 7,220,834 128,199 7.12 % Taxable securities 1,707,484 14,978 3.52 % 1,616,019 13,978 3.51 % 1,650,463 13,806 3.36 % Tax-exempt securities(2) 131,354 850 2.60 % 135,211 931 2.79 % 154,719 1,098 2.85 % Total interest-earning assets $ 9,457,037 $ 144,484 6.13 % $ 9,347,232 $ 141,852 6.15 % $ 9,209,178 $ 144,770 6.31 % Allowance for credit losses - loans and leases (111,021 ) (109,375 ) (106,278 ) All other assets 536,969 559,975 530,917 TOTAL ASSETS $ 9,882,985 $ 9,797,832 $ 9,633,817 LIABILITIES AND STOCKHOLDERS’ EQUITY Deposits Interest checking $ 1,050,011 $ 5,048 1.93 % $ 908,602 $ 3,776 1.69 % $ 820,341 $ 3,551 1.74 % Money market accounts 2,854,519 18,585 2.61 % 2,971,407 19,396 2.65 % 2,905,465 22,749 3.14 % Savings 490,500 130 0.11 % 489,630 127 0.11 % 506,874 139 0.11 % Time deposits 1,624,667 13,575 3.35 % 1,552,695 12,985 3.39 % 1,810,909 17,941 3.97 % Total interest-bearing deposits 6,019,697 37,338 2.49 % 5,922,334 36,284 2.48 % 6,043,589 44,380 2.95 % Other borrowings 442,187 3,273 2.97 % 427,551 2,642 2.51 % 298,916 1,396 1.87 % Federal funds purchased — — — 1,500 16 4.27 % — — — Subordinated notes and debentures 145,672 2,859 7.87 % 145,432 2,851 7.95 % 145,175 2,781 7.68 % Total borrowings 587,859 6,132 4.18 % 574,483 5,509 3.89 % 444,091 4,177 3.77 % Total interest-bearing liabilities $ 6,607,556 $ 43,470 2.64 % $ 6,496,817 $ 41,793 2.61 % $ 6,487,680 $ 48,557 3.00 % Non-interest-bearing demand deposits 1,792,439 1,791,132 1,802,639 Other liabilities 145,406 176,460 164,944 Total stockholders’ equity 1,337,584 1,333,423 1,178,554 TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY $ 9,882,985 $ 9,797,832 $ 9,633,817 Net interest spread(3) 3.49 % 3.54 % 3.31 % Net interest income, fully taxable equivalent $ 101,014 $ 100,059 $ 96,213 Net interest margin, fully taxable equivalent(2)(4)(6) 4.29 % 4.34 % 4.19 % Less: Tax-equivalent adjustment 178 0.01 % 196 0.01 % 231 0.01 % Net interest income $ 100,836 $ 99,863 $ 95,982 Net interest margin(4) 4.28 % 4.33 % 4.18 % Net loan accretion impact on margin $ 2,476 0.11 % $ 1,971 0.09 % $ 2,978 0.13 % (1) Loan and lease balances are net of deferred origination fees and costs and initial direct costs. Non-accrual loans and leases are included in total loan and lease balances. (2) Interest income and rates include the effects of a tax equivalent adjustment to adjust tax exempt investment income on tax exempt investment securities to a fully taxable basis, assuming a federal income tax rate of 21%. (3) Represents the average rate earned on interest-earning assets minus the average rate paid on interest-bearing liabilities. (4) Represents net interest income (annualized) divided by total average earning assets. (5) Average balances are average daily balances. BYLINE BANCORP, INC. AND SUBSIDIARIES SELECTED BALANCE SHEET TABLES AND FINANCIAL RATIOS (unaudited) The following table presents our allocation of originated, purchased credit deteriorated (PCD), and acquired non-credit-deteriorated loans and leases at the dates indicated: June 30, 2026 March 31, 2026 June 30, 2025 (dollars in thousands) Amount % of Total Amount % of Total Amount % of Total Originated loans and leases: Commercial real estate $ 2,303,785 30.5 % $ 2,307,557 30.9 % $ 2,184,187 29.8 % Residential real estate 575,062 7.6 % 576,932 7.7 % 534,062 7.3 % Construction, land development, and other land 344,578 4.6 % 342,099 4.6 % 416,118 5.6 % Commercial and industrial 3,120,209 41.3 % 2,946,640 39.4 % 2,737,054 37.4 % Installment and other 4,817 0.1 % 4,868 0.1 % 2,984 0.0 % Leasing financing receivables 721,090 9.6 % 734,559 9.8 % 731,610 10.0 % Total originated loans and leases $ 7,069,541 93.7 % $ 6,912,655 92.5 % $ 6,606,015 90.1 % Purchased credit deteriorated loans: Commercial real estate $ 59,161 0.8 % $ 66,801 0.9 % $ 84,747 1.2 % Residential real estate 18,941 0.2 % 20,330 0.3 % 27,076 0.4 % Construction, land development, and other land 2,674 0.0 % 2,662 0.0 % 2,487 0.0 % Commercial and industrial 5,633 0.1 % 10,780 0.1 % 17,428 0.2 % Installment and other 66 0.0 % 72 0.0 % 86 0.0 % Total purchased credit deteriorated loans $ 86,475 1.1 % $ 100,645 1.3 % $ 131,824 1.8 % Acquired non-credit-deteriorated loans and leases: Commercial real estate $ 152,230 2.0 % $ 177,524 2.4 % $ 224,442 3.1 % Residential real estate 148,709 2.0 % 155,623 2.1 % 172,570 2.4 % Construction, land development, and other land — — 31,544 0.4 % 61,897 0.8 % Commercial and industrial 80,537 1.1 % 91,192 1.2 % 113,609 1.6 % Installment and other 4,919 0.1 % 6,089 0.1 % 17,698 0.2 % Total acquired non-credit-deteriorated loans and leases $ 386,395 5.2 % $ 461,972 6.2 % $ 590,216 8.1 % Total loans and leases $ 7,542,411 100.0 % $ 7,475,272 100.0 % $ 7,328,055 100.0 % Allowance for credit losses - loans and leases (111,861 ) (108,879 ) (107,727 ) Total loans and leases, net of allowance for credit losses - loans and leases $ 7,430,550 $ 7,366,393 $ 7,220,328 The following table presents the balance and activity within the allowance for credit losses - loans and lease for the periods indicated: Three Months Ended June 30, March 31, June 30, (dollars in thousands) 2026 2026 2025 ACL - loans and leases, beginning of period $ 108,879 $ 108,834 $ 100,420 Adjustment for acquired PCD loans — — 3,206 Provision for credit losses - loans and leases 7,428 5,995 11,757 Net charge-offs - loans and leases (4,446 ) (5,950 ) (7,656 ) ACL - loans and leases, end of period $ 111,861 $ 108,879 $ 107,727 Net charge-offs - loans and leases to average total loans and leases held for investment, net before ACL (annualized) 0.24 % 0.32 % 0.43 % Provision for credit losses - loans and leases to net charge-offs - loans and leases during the period 1.67 x 1.01 x 1.54 x BYLINE BANCORP, INC. AND SUBSIDIARIES SELECTED BALANCE SHEET TABLES AND FINANCIAL RATIOS (unaudited) The following table presents the amounts of non-performing loans and leases, other real estate owned, and past due loans and leases 90 days or more and still accruing interest, at the date indicated: June 30, 2026 Change from (dollars in thousands) June 30, 2026 March 31, 2026 June 30, 2025 March 31, 2026 June 30, 2025 Non-performing assets: Non-performing loans and leases $ 69,087 $ 67,275 $ 67,552 2.7 % 2.3 % Other real estate owned 3,153 2,890 4,946 9.1 % (36.3 )% Total non-performing assets $ 72,240 $ 70,165 $ 72,498 3.0 % (0.4 )% Total non-performing loans and leases as a percentage of total loans and leases 0.92 % 0.90 % 0.92 % Total non-performing assets as a percentage of total assets 0.73 % 0.71 % 0.75 % Allowance for credit losses - loans and lease as a percentage of non-performing loans and leases 161.91 % 161.84 % 159.47 % Non-performing assets guaranteed by U.S. government: Non-accrual loans guaranteed $ 8,136 $ 7,737 $ 8,819 5.2 % (7.8 )% Total non-performing loans guaranteed $ 8,136 $ 7,737 $ 8,819 5.2 % (7.8 )% Total non-performing loans and leases not guaranteed as a percentage of total loans and leases 0.81 % 0.80 % 0.80 % Total non-performing assets not guaranteed as a percentage of total assets 0.65 % 0.63 % 0.66 % Past due loans and leases 90 days or more and accruing interest: Past due leases 90 days or more and accruing interest $ 1,114 $ — $ — 100.0 % 100.0 % Total past due loans and leases 90 days or more and accruing interest $ 1,114 $ — $ — 100.0 % 100.0 % Total past due loans and leases 90 days or more and accruing as a percentage of total loans and leases 0.01 % — — The following table presents the composition of deposits at the dates indicated: June 30, 2026 Change from (dollars in thousands) June 30, 2026 March 31, 2026 June 30, 2025 March 31, 2026 June 30, 2025 Non-interest-bearing demand deposits $ 1,826,739 $ 1,818,981 $ 1,773,229 0.4 % 3.0 % Interest-bearing checking accounts 1,229,287 934,177 857,460 31.6 % 43.4 % Money market demand accounts 2,710,183 2,952,962 2,996,684 (8.2 )% (9.6 )% Other savings 489,415 488,833 501,020 0.1 % (2.3 )% Time deposits (below $250,000) 1,152,305 1,172,914 1,216,990 (1.8 )% (5.3 )% Time deposits ($250,000 and above) 462,833 433,949 465,096 6.7 % (0.5 )% Total deposits $ 7,870,762 $ 7,801,816 $ 7,810,479 0.9 % 0.8 % BYLINE BANCORP, INC. AND SUBSIDIARIES RECONCILIATION OF NON-GAAP FINANCIAL MEASURES (unaudited) Non-GAAP Financial Measures This release contains certain financial information determined by methods other than in accordance with accounting principles generally accepted in the United States of America (“GAAP”). These measures include adjusted net income, adjusted diluted earnings per share, adjusted non-interest expense, adjusted non-interest expense excluding amortization of intangible assets, adjusted efficiency ratio, adjusted non-interest expense to average assets, tax equivalent net interest income, tax-equivalent net interest margin, total revenue, non-interest income to total revenues, adjusted return on average stockholders’ equity, adjusted return on average assets, pre-tax pre-provision net income, adjusted pre-tax pre-provision net income, pre-tax pre-provision return on average assets, adjusted pre-tax pre-provision return on average assets, tangible common stockholders' equity, tangible assets, average tangible assets, tangible net income, adjusted tangible net income, tangible book value per common share, tangible common equity to tangible assets, return on average tangible common stockholders' equity, and adjusted return on average tangible common stockholders' equity. Management believes that these non-GAAP financial measures provide useful information to management and investors that is supplementary to the Company’s financial condition, results of operations and cash flows computed in accordance with GAAP; however, management acknowledges that our non-GAAP financial measures have a number of limitations. As such, these disclosures should not be viewed as a substitute for results determined in accordance with GAAP financial measures that we and other companies use. Management also uses these measures for peer comparison. See below in the financial schedules included in this press release for a reconciliation of the non-GAAP financial measures to the comparable GAAP financial measures. Additionally, please refer to the Company’s Annual Report on Form 10-K for the detailed definitions of these non-GAAP financial measures. As of or For the Three Months Ended June 30, March 31, June 30, (dollars in thousands, except per share data) 2026 2026 2025 Net income and earnings per share excluding significant items: Reported Net Income $ 40,181 $ 37,579 $ 30,082 Significant items: Impairment charges on assets held for sale 496 — — Merger-related expenses — — 4,450 Secondary public offering of common stock expenses — — 413 Tax benefit (130 ) — (1,117 ) Adjusted Net Income $ 40,547 $ 37,579 $ 33,828 Reported Diluted Earnings per Share $ 0.90 $ 0.83 $ 0.66 Significant items: Impairment charges on assets held for sale 0.01 — — Merger-related expenses — — 0.10 Secondary public offering of common stock expenses — — 0.01 Tax benefit — — (0.02 ) Adjusted Diluted Earnings per Share $ 0.91 $ 0.83 $ 0.75 BYLINE BANCORP, INC. AND SUBSIDIARIES RECONCILIATION OF NON-GAAP FINANCIAL MEASURES (continued) (unaudited) As of or For the Three Months Ended (dollars in thousands, except per share data, June 30, March 31, June 30, ratios annualized, where applicable) 2026 2026 2025 Adjusted non-interest expense: Non-interest expense $ 56,479 $ 57,189 $ 59,602 Less: Impairment charges on assets held for sale 496 — — Less: Merger-related expenses — — 4,450 Less: Secondary public offering of common stock expenses — — 413 Adjusted non-interest expense $ 55,983 $ 57,189 $ 54,739 Adjusted non-interest expense excluding amortization of intangible assets: Adjusted non-interest expense $ 55,983 $ 57,189 $ 54,739 Less: Amortization of intangible assets 1,235 1,235 1,499 Adjusted non-interest expense excluding amortization of intangible assets $ 54,748 $ 55,954 $ 53,240 Pre-tax pre-provision net income: Pre-tax income $ 54,071 $ 49,675 $ 38,928 Add: Provision for credit losses 7,162 5,537 11,923 Pre-tax pre-provision net income $ 61,233 $ 55,212 $ 50,851 Adjusted pre-tax pre-provision net income: Pre-tax pre-provision net income $ 61,233 $ 55,212 $ 50,851 Add: Impairment charges on assets held for sale 496 — — Add: Merger-related expenses — — 4,450 Add: Secondary public offering of common stock expenses — — 413 Adjusted pre-tax pre-provision net income $ 61,729 $ 55,212 $ 55,714 Tax equivalent net interest income: Net interest income $ 100,836 $ 99,863 $ 95,982 Add: Tax-equivalent adjustment 178 196 231 Net interest income, fully taxable equivalent $ 101,014 $ 100,059 $ 96,213 Total revenue: Net interest income $ 100,836 $ 99,863 $ 95,982 Add: Non-interest income 16,876 12,538 14,471 Total revenue $ 117,712 $ 112,401 $ 110,453 Tangible common stockholders' equity: Total stockholders' equity $ 1,304,215 $ 1,280,292 $ 1,192,416 Less: Goodwill and other intangibles 198,050 199,285 203,508 Tangible common stockholders' equity $ 1,106,165 $ 1,081,007 $ 988,908 Tangible assets: Total assets $ 9,932,465 $ 9,909,680 $ 9,720,218 Less: Goodwill and other intangibles 198,050 199,285 203,508 Tangible assets $ 9,734,415 $ 9,710,395 $ 9,516,710 Average tangible common stockholders' equity: Average total stockholders' equity $ 1,337,584 $ 1,333,423 $ 1,178,554 Less: Average goodwill and other intangibles 198,629 199,943 203,767 Average tangible common stockholders' equity $ 1,138,955 $ 1,133,480 $ 974,787 Average tangible assets: Average total assets $ 9,882,985 $ 9,797,832 $ 9,633,817 Less: Average goodwill and other intangibles 198,629 199,943 203,767 Average tangible assets $ 9,684,356 $ 9,597,889 $ 9,430,050 Tangible net income: Net income $ 40,181 $ 37,579 $ 30,082 Add: After-tax intangible asset amortization 912 912 1,107 Tangible net income $ 41,093 $ 38,491 $ 31,189 Adjusted tangible net income: Tangible net income $ 41,093 $ 38,491 $ 31,189 Add: Impairment charges on assets held for sale 496 — — Add: Merger-related expenses — — 4,450 Add: Secondary public offering of common stock expenses — — 413 Add: Tax benefit on significant items (130 ) — (1,117 ) Adjusted tangible net income $ 41,459 $ 38,491 $ 34,935 BYLINE BANCORP, INC. AND SUBSIDIARIES RECONCILIATION OF NON-GAAP FINANCIAL MEASURES (continued) (unaudited) As of or For the Three Months Ended (dollars in thousands, except share and per share June 30, March 31, June 30, data, ratios annualized, where applicable) 2026 2026 2025 Pre-tax pre-provision return on average assets: Pre-tax pre-provision net income $ 61,233 $ 55,212 $ 50,851 Average total assets 9,882,985 9,797,832 9,633,817 Pre-tax pre-provision return on average assets 2.49 % 2.29 % 2.12 % Adjusted pre-tax pre-provision return on average assets: Adjusted pre-tax pre-provision net income $ 61,729 $ 55,212 $ 55,714 Average total assets 9,882,985 9,797,832 9,633,817 Adjusted pre-tax pre-provision return on average assets 2.51 % 2.29 % 2.32 % Net interest margin, fully taxable equivalent: Net interest income, fully taxable equivalent $ 101,014 $ 100,059 $ 96,213 Total average interest-earning assets 9,457,037 9,347,232 9,209,178 Net interest margin, fully taxable equivalent 4.29 % 4.34 % 4.19 % Non-interest income to total revenues: Non-interest income $ 16,876 $ 12,538 $ 14,471 Total revenues 117,712 112,401 110,453 Non-interest income to total revenues 14.34 % 11.15 % 13.10 % Adjusted non-interest expense to average assets: Adjusted non-interest expense $ 55,983 $ 57,189 $ 54,739 Average total assets 9,882,985 9,797,832 9,633,817 Adjusted non-interest expense to average assets 2.27 % 2.37 % 2.28 % Adjusted efficiency ratio: Adjusted non-interest expense excluding amortization of intangible assets $ 54,748 $ 55,954 $ 53,240 Total revenues 117,712 112,401 110,453 Adjusted efficiency ratio 46.51 % 49.78 % 48.20 % Adjusted return on average assets: Adjusted net income $ 40,547 $ 37,579 $ 33,828 Average total assets 9,882,985 9,797,832 9,633,817 Adjusted return on average assets 1.65 % 1.56 % 1.41 % Adjusted return on average stockholders' equity: Adjusted net income $ 40,547 $ 37,579 $ 33,828 Average stockholders' equity 1,337,584 1,333,423 1,178,554 Adjusted return on average stockholders' equity 12.16 % 11.43 % 11.51 % Tangible common equity to tangible assets: Tangible common equity $ 1,106,165 $ 1,081,007 $ 988,908 Tangible assets 9,734,415 9,710,395 9,516,710 Tangible common equity to tangible assets 11.36 % 11.13 % 10.39 % Return on average tangible common stockholders' equity: Tangible net income $ 41,093 $ 38,491 $ 31,189 Average tangible common stockholders' equity 1,138,955 1,133,480 974,787 Return on average tangible common stockholders' equity 14.47 % 13.77 % 12.83 % Adjusted return on average tangible common stockholders' equity: Adjusted tangible net income $ 41,459 $ 38,491 $ 34,935 Average tangible common stockholders' equity 1,138,955 1,133,480 974,787 Adjusted return on average tangible common stockholders' equity 14.60 % 13.77 % 14.37 % Tangible book value per common share: Tangible common equity $ 1,106,165 $ 1,081,007 $ 988,908 Common shares outstanding 45,191,493 45,442,851 45,866,649 Tangible book value per common share $ 24.48 $ 23.79 $ 21.56 Investors / Media: Brooks O. Rennie Investor Relations Director (312) 660-5805 [email protected] Source: Byline Bancorp, Inc.