Earnings release
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Exhibit 99.1 100 N. Broadway Ave FOR IMMEDIATE RELEASE Oklahoma City, OK 73102 Wednesday, October 21, 2026 www.bancfirst.bank BANCFIRST CORPORATION REPORTS THIRD QUARTER EARNINGS BancFirst Corporation (NASDAQ GS: BANF) reported net income of $67.3 million, or $1.97 per diluted share, for the third quarter of 2026 compared to net income of $62.7 million, or $1.85 per diluted share, for the third quarter of 2025. The Company’s net interest income for the three-months ending September 30, 2026 increased to $136.0 million from $125.6 million for the same period in 2025. Higher loan volume and general growth in earning assets were the primary drivers of the change in net interest income. Net interest margin was 3.85% for the third quarter of 2026 compared to 3.79% for the third quarter of 2025. The Company recorded a provision for credit losses of $3.1 million and $4.4 million for the quarters ended September 30, 2026 and 2025, respectively. Noninterest income for the quarter totaled $51.4 million compared to $49.9 million for the same quarter last year. Service charges on deposits and treasury income each increased when compared to third quarter of 2025. Noninterest expense grew to $98.2 million for the quarter ended September 30, 2026 compared to $92.1 million in the same quarter in 2025. The increase in noninterest expense was primarily attributable to the growth in salaries and employee benefits of $4.1 million. At September 30, 2026, the Company’s total assets were $15.0 billion, an increase of $182.3 million from December 31, 2025. Loans grew $187.9 million from December 31, 2025, totaling $8.7 billion at September 30, 2026. Deposits totaled $12.7 billion, an increase of $29.3 million from year-end 2025. Sweep accounts totaled $4.7 billion at the end of the third quarter, down $282.5 million from December 31, 2025. The Company’s stockholders’ equity stood at $2.0 billion, an increase of $142.9 million from the end of 2025. Nonaccrual loans represented 0.87% of total loans at September 30, 2026, up from 0.72% at year-end 2025. Nonaccrual loans totaled $75.6 million at the end of the third quarter 2026; one commercial loan was the primary driver of the nonaccrual loans balance. The allowance for credit losses to total loans was 1.23% at September 30, 2026 and 1.22% at December 31, 2025. Net charge-offs totaled $4.0 million for the quarter compared to $1.7 million for the third quarter last year. Of the $4.0 million net charge-offs for the quarter, $1.8 million was related to purchased credit deteriorated loans. At acquisition, the Company identified these loans as credit deteriorated and recorded reserves for expected credit losses. These loans performed in line with expectations subsequent to acquisition. BancFirst Corporation CEO David Harlow commented, “Earnings for the quarter were strong, driven by growth in earning assets, a sustained margin, year-over-year growth in non-interest income combined with expenses in line with plan. Capital levels remain strong and the allowance for credit losses is ample – both at levels necessary to support the Company through future economic cycles. Asset quality metrics are stable and charge-offs remain in line with historical levels. While business development pipelines are encouraging, we expect higher interest rates and a higher-for-longer rate outlook to have a dampening effect on future economic activity. Our previously announced acquisition of Tulsa-based Spirit Bank is on schedule to close in October.” BancFirst Corporation (the Company) is an Oklahoma based financial services holding company. The Company operates three subsidiary banks, BancFirst, an Oklahoma state-chartered bank with 108 banking locations serving 62 communities across Oklahoma, Pegasus Bank, a Texas state-chartered bank with three banking locations in the Dallas Metroplex area, and Worthington Bank, a Texas state-chartered bank with three locations in the Fort Worth Metroplex area, one location in Arlington, Texas and one location in Denton, Texas. More information can be found at www.bancfirst.bank.
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2 The Company may make forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934 with respect to earnings, credit quality, corporate objectives, interest rates and other financial and business matters. Forward-looking statements include estimates and give management’s current expectations or forecasts of future events. The Company cautions readers that these forward-looking statements are subject to numerous assumptions, risks and uncertainties, including economic conditions, the performance of financial markets and interest rates; legislative and regulatory actions and reforms; competition; as well as other factors, all of which change over time. Actual results may differ materially from forward-looking statements. For additional information call: Hannah Andrus, Chief Financial Officer at (405) 218-4174 or David Harlow, Chief Executive Officer at (405) 270-1082.
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3 BancFirst Corporation Summary Financial Information (Dollars in thousands, except per share and share data - Unaudited) 2026 2026 2026 2025 2025 3rd Qtr 2nd Qtr 1st Qtr 4th Qtr 3rd Qtr Condensed Income Statements: Net interest income $ 135,999 $ 133,536 $ 127,605 $ 127,667 $ 125,615 Provision for credit losses on loans 3,203 4,831 2,578 (1,975) 4,222 Provision for/(benefit from) off-balance sheet credit exposures (110) 48 (435) 234 216 Noninterest income: Trust revenue 5,874 6,078 6,057 5,933 5,850 Service charges on deposits 19,308 19,090 18,042 18,393 18,131 Securities transactions 103 725 904 964 492 Sales of loans 800 913 780 781 916 Insurance commissions 8,680 7,481 9,440 7,643 8,954 Cash management 10,933 10,922 10,566 10,120 10,338 Other 5,688 8,740 5,602 9,499 5,185 Total noninterest income 51,386 53,949 51,391 53,333 49,866 Noninterest expense: Salaries and employee benefits 61,829 60,306 58,855 58,570 57,681 Occupancy expense, net 6,672 6,320 6,286 6,946 6,434 Depreciation 5,101 4,988 4,816 4,872 4,725 Amortization of intangible assets 975 974 975 836 862 Data processing services 3,043 2,990 3,448 3,041 2,901 Net expense from other real estate owned 2,420 4,567 3,605 12,044 2,778 Marketing and business promotion 2,311 2,077 2,641 3,121 2,126 Deposit insurance 1,775 1,642 1,847 1,692 1,736 Other 14,083 13,667 14,316 16,268 12,829 Total noninterest expense 98,209 97,531 96,789 107,390 92,072 Income before income taxes 86,083 85,075 80,064 75,351 78,971 Income tax expense 18,829 18,388 17,069 15,854 16,317 Net income $ 67,254 $ 66,687 $ 62,995 $ 59,497 $ 62,654 Per Common Share Data: Net income-basic $ 2.00 $ 1.98 $ 1.88 $ 1.78 $ 1.88 Net income-diluted 1.97 1.96 1.85 1.75 1.85 Cash dividends declared 0.52 0.49 0.49 0.49 0.49 Common shares outstanding 33,619,174 33,598,745 33,575,976 33,539,032 33,329,247 Average common shares outstanding - Basic 33,610,010 33,586,922 33,557,536 33,423,922 33,310,290 Diluted 34,086,332 34,057,507 34,027,895 33,906,434 33,864,129 Performance Ratios: Return on average assets 1.76% 1.77% 1.71% 1.60% 1.76% Return on average stockholders’ equity 13.42 13.84 13.59 13.02 14.18 Net interest margin 3.85 3.84 3.74 3.71 3.79 Efficiency ratio 52.41 52.02 54.07 59.33 52.47
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4 BancFirst Corporation Summary Financial Information (Dollars in thousands, except per share and share data - Unaudited) 2026 2026 2026 2025 2025 3rd Qtr 2nd Qtr 1st Qtr 4th Qtr 3rd Qtr Balance Sheet Data: Total assets $ 15,021,23 0 $ 15,082,24 3 $ 15,116,54 1 $ 14,838,89 3 $ 14,198,14 0 Interest-bearing deposits with banks 4,010,740 4,164,678 4,430,751 4,177,406 3,849,736 Debt securities 1,100,934 1,113,240 886,519 924,948 1,015,941 Total loans 8,732,546 8,655,260 8,596,068 8,544,634 8,287,167 Allowance for credit losses (107,048) (107,810) (105,330) (104,299) (99,511) Noninterest-bearing demand deposits 4,049,891 4,162,306 4,105,840 3,897,613 3,816,389 Money market and interest-bearing checking deposits 5,400,606 5,442,757 5,605,932 5,610,882 5,393,791 Savings deposits 1,450,321 1,428,690 1,391,142 1,318,062 1,251,394 Time deposits 1,798,892 1,792,537 1,798,187 1,843,836 1,656,813 Total deposits 12,699,71 0 12,826,29 0 12,901,10 1 12,670,39 3 12,118,38 7 Stockholders' equity 1,997,061 1,957,097 1,901,912 1,854,125 1,782,801 Book value per common share 59.40 58.25 56.65 55.28 53.49 Tangible book value per common share (non-GAAP)(1) 53.40 52.21 50.58 49.20 47.71 Balance Sheet Ratios: Average loans to deposits 67.49% 67.02% 67.02% 66.43% 67.32% Average earning assets to total assets 92.66 92.45 92.84 93.00 93.00 Average stockholders' equity to average assets 13.14 12.79 12.60 12.33 12.38 Asset Quality Data: Past due loans $ 6,028 $ 7,077 $ 8,364 $ 8,115 $ 7,959 Nonaccrual loans (3) 75,620 81,420 62,178 61,130 57,266 Other real estate owned and repossessed assets 60,299 61,703 53,649 49,134 53,233 Nonaccrual loans to total loans 0.87% 0.94% 0.72% 0.72% 0.69% Allowance to total loans 1.23 1.25 1.23 1.22 1.20 Allowance to nonaccrual loans 141.56 132.41 169.40 170.62 173.77 Net charge-offs to average loans 0.04 0.03 0.02 0.02 0.02 Reconciliation of Tangible Book Value Per Common Share (non-GAAP)(2): Stockholders' equity $ 1,997,061 $ 1,957,097 $ 1,901,912 $ 1,854,125 $ 1,782,801 Less goodwill 183,388 183,388 183,388 182,739 182,263 Less intangible assets, net 18,433 19,408 20,382 21,357 10,548 Tangible stockholders’ equity (non-GAAP) $ 1,795,240 $ 1,754,301 $ 1,698,142 $ 1,650,029 $ 1,589,990 Common shares outstanding 33,619,17 4 33,598,74 5 33,575,97 6 33,539,03 2 33,329,24 7 Tangible book value per common share (non-GAAP) $ 53.40 $ 52.21 $ 50.58 $ 49.20 $ 47.71 (1) Refer to the “Reconciliation of Tangible Book Value per Common Share (non-GAAP)” Table. (2) Tangible book value per common share is stockholders’ equity less goodwill and intangible assets, net, divided by common shares outstanding. This amount is a non-GAAP financial measure but has been included as it is considered to be a critical metric with which to analyze and evaluate the financial condition and capital strength of the Company. This measure should not be considered a substitute for operating results determined in accordance with GAAP. (3) Government Agencies guarantee approximately $4.1 million of nonaccrual loans at September 30, 2026.
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5 BancFirst Corporation Summary Financial Information (Dollars in thousands, except per share and share data - Unaudited) Nine months ended September 30, 2026 2025 Condensed Income Statements: Net interest income $ 397,140 $ 362,820 Provision for credit losses on loans 10,612 6,922 (Benefit from)/provision for off-balance sheet credit exposures (497) 489 Noninterest income: Trust revenue 18,009 17,184 Service charges on deposits 56,440 52,676 Securities transactions 1,732 (581) Sales of loans 2,493 2,382 Insurance commissions 25,601 27,284 Cash management 32,421 30,962 Other 20,030 16,901 Total noninterest income 156,726 146,808 Noninterest expense: Salaries and employee benefits 180,990 167,421 Occupancy expense, net 19,278 18,224 Depreciation 14,905 14,224 Amortization of intangible assets 2,924 2,610 Data processing services 9,481 8,778 Net expense from other real estate owned 10,592 8,377 Marketing and business promotion 7,029 6,912 Deposit insurance 5,264 5,136 Other 42,066 40,768 Total noninterest expense 292,529 272,450 Income before income taxes 251,222 229,767 Income tax expense 54,286 48,654 Net income $ 196,936 $ 181,113 Per Common Share Data: Net income-basic $ 5.86 $ 5.44 Net income-diluted 5.78 5.36 Cash dividends declared 1.50 1.41 Common shares outstanding 33,619,174 33,329,247 Average common shares outstanding - Basic 33,585,015 33,266,315 Diluted 34,057,527 33,812,270 Performance Ratios: Return on average assets 1.75% 1.74% Return on average stockholders’ equity 13.62 14.26 Net interest margin 3.81 3.75 Efficiency ratio 52.82 53.46
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6 BancFirst Corporation Consolidated Average Balance Sheets And Interest Margin Analysis Taxable Equivalent Basis (Dollars in thousands - Unaudited) Three Months Ended Nine Months Ended September 30, 2026 September 30, 2026 Interest Average Interest Average Average Income/ Yield/ Average Income/ Yield/ Balance Expense Rate Balance Expense Rate ASSETS Earning assets: Loans $ 8,667,984 $150,005 6.87 % $ 8,610,147 $442,335 6.87 % Securities – taxable 1,095,827 9,007 3.26 999,790 22,293 2.98 Securities – tax exempt 6,486 64 3.92 6,925 198 3.82 Interest bearing deposits with banks and FFS 4,247,434 40,003 3.74 4,327,537 120,127 3.71 Total earning assets 14,017,731 199,079 5.63 13,944,399 584,953 5.61 Nonearning assets: Cash and due from banks 208,416 217,024 Interest receivable and other assets 1,008,461 994,958 Allowance for credit losses (106,823) (105,469) Total nonearning assets 1,110,054 1,106,513 Total assets $ 15,127,785 $ 15,050,912 LIABILITIES AND STOCKHOLDERS' EQUITY Interest bearing liabilities: Money market and interest-bearing checking deposits $ 5,480,251 $ 35,611 2.58 % $ 5,524,357 $105,531 2.55 % Savings deposits 1,445,206 9,871 2.71 1,401,712 28,276 2.70 Time deposits 1,798,060 16,192 3.57 1,811,110 49,609 3.66 Short-term borrowings 6,007 29 1.94 11,600 273 3.15 Long-term borrowings - - - 2,026 42 2.77 Subordinated debt 86,247 1,030 4.74 86,233 3,091 4.79 Other liabilities 16,769 201 4.76 16,747 533 4.26 Total interest bearing liabilities 8,832,540 62,934 2.83 8,853,785 187,355 2.83 Interest free funds: Noninterest bearing deposits 4,119,209 4,079,560 Interest payable and other liabilities 188,240 184,104 Equity 1,987,796 1,933,463 Total interest free funds 6,295,245 6,197,127 Total liabilities and stockholders’ equity $ 15,127,785 $ 15,050,912 Net interest income $136,145 $397,598 Net interest spread 2.80 % 2.78 % Effect of interest free funds 1.05 % 1.03 % Net interest margin 3.85 % 3.81 %