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 September 30, 2025. ☐ 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 001-15373 ENTERPRISE FINANCIAL SERVICES CORP Incorporated in the State of Delaware I.R.S. Employer Identification # 43-1706259 ...

EXHIBIT 99.1 ENTERPRISE FINANCIAL SERVICES CORP REPORTS THIRD QUARTER 2025 RESULTS Third Quarter Results Highlights • Earnings - Net income in the third quarter 2025 was $45.2 million, a decrease of $6.1 million and $5.4 million compared to the linked and prior year quarters, respectively. Earnings per diluted common share for the third quarter 2025 was $1.19, compared to $1.36 and $1.32 for the linked and prior year quarters, respectively. Adjusted diluted earnings per share was $1.20 in the third quarter ...

PART I - FINANCIAL INFORMATION [Item 1. Financial Statements](index=5&type=section&id=Item%201.%20Financial%20Statements) This section presents the unaudited condensed consolidated financial statements for Enterprise Financial Services Corp, detailing financial position, performance, and cash flows as of June 30, 2025 [Condensed Consolidated Balance Sheets](index=5&type=section&id=Condensed%20Consolidated%20Balance%20Sheets) As of June 30, 2025, total assets increased to **$16.08 billion** from **$15.60 billion** at year-end 2024, driven by growth in loans and securities, with total liabilities rising to **$14.15 billion** and stockholders' equity to **$1.92 billion** | ($ in thousands) | June 30, 2025 | December 31, 2024 | | :--- | :--- | :--- | | **Total Assets** | **$16,076,299** | **$15,596,431** | | Total loans, net | $11,263,707 | $11,082,405 | | Total securities (AFS & HTM) | $3,295,749 | $2,791,205 | | Total cash and cash equivalents | $491,520 | $764,170 | | **Total Liabilities** | **$14,153,400** | **$13,772,429** | | Total deposits | $13,317,359 | $13,146,492 | | FHLB advances | $294,000 | $0 | | **Total Stockholders' Equity** | **$1,922,899** | **$1,824,002** | [Condensed Consolidated Statements of Income](index=6&type=section&id=Condensed%20Consolidated%20Statements%20of%20Income) Net income for the second quarter of 2025 increased to **$51.4 million** from **$45.4 million** in Q2 2024, driven by higher net interest income and a lower provision for credit losses | ($ in thousands, except per share data) | Three months ended June 30, 2025 | Three months ended June 30, 2024 | Six months ended June 30, 2025 | Six months ended June 30, 2024 | | :--- | :--- | :--- | :--- | :--- | | Net interest income | $152,762 | $140,529 | $300,278 | $278,257 | | Provision for credit losses | $3,470 | $4,819 | $8,654 | $10,575 | | Total noninterest income | $20,604 | $15,494 | $39,087 | $27,652 | | Total noninterest expense | $105,702 | $94,017 | $205,485 | $187,518 | | **Net income** | **$51,384** | **$45,446** | **$101,345** | **$85,847** | | **Diluted EPS** | **$1.36** | **$1.19** | **$2.67** | **$2.24** | [Condensed Consolidated Statements of Comprehensive Income](index=7&type=section&id=Condensed%20Consolidated%20Statements%20of%20Comprehensive%20Income) Total comprehensive income for Q2 2025 significantly increased to **$63.8 million** from **$38.7 million** in Q2 2024, primarily due to positive changes in unrealized gains on available-for-sale securities | ($ in thousands) | Three months ended June 30, 2025 | Six months ended June 30, 2025 | | :--- | :--- | :--- | | Net income | $51,384 | $101,345 | | Change in unrealized gain (loss) on AFS securities | $11,348 | $24,233 | | Total other comprehensive income (loss), net of tax | $12,406 | $27,733 | | **Total comprehensive income** | **$63,790** | **$129,078** | [Condensed Consolidated Statements of Stockholders' Equity](index=8&type=section&id=Condensed%20Consolidated%20Statements%20of%20Stockholders%27%20Equity) Total stockholders' equity increased to **$1.92 billion** at June 30, 2025, driven by net income and positive other comprehensive income, partially offset by dividends and stock repurchases - Key changes in stockholders' equity for the six months ended June 30, 2025 included net income of **$101.3 million**, common stock dividends of **$21.8 million** (**$0.59 per share**), and common stock repurchases of **$10.6 million**[17](index=17&type=chunk) [Condensed Consolidated Statements of Cash Flows](index=9&type=section&id=Condensed%20Consolidated%20Statements%20of%20Cash%20Flows) Net cash provided by operating activities was **$101.3 million** for the six months ended June 30, 2025, while investing activities used **$732.3 million**, resulting in a net decrease in cash and cash equivalents of **$272.7 million** | ($ in thousands) | Six months ended June 30, 2025 | | :--- | :--- | | Net cash provided by operating activities | $101,309 | | Net cash used in investing activities | ($732,273) | | Net cash provided by financing activities | $358,314 | | **Net decrease in cash and cash equivalents** | **($272,650)** | [Notes to Condensed Consolidated Financial Statements](index=11&type=section&id=Notes%20to%20Condensed%20Consolidated%20Financial%20Statements) This section provides detailed disclosures on accounting policies and specific financial statement items, including a pending branch acquisition, investment and loan portfolio composition, and an analysis of credit losses - The company announced a pending acquisition of twelve branches from First Interstate Bank, which is expected to close in the fourth quarter of 2025, subject to customary closing conditions[28](index=28&type=chunk) | ($ in thousands) | June 30, 2025 | December 31, 2024 | | :--- | :--- | :--- | | **Securities Available-for-Sale** | $2,204,511 | $1,862,270 | | Gross Unrealized Losses | ($139,936) | ($164,400) | | **Securities Held-to-Maturity, net** | $1,091,238 | $928,935 | | Gross Unrealized Losses | ($77,813) | ($72,956) | | ($ in thousands) | June 30, 2025 | December 31, 2024 | | :--- | :--- | :--- | | Commercial and industrial | $4,875,484 | $4,720,428 | | Total real estate loans | $6,278,003 | $6,219,197 | | **Total Loans** | **$11,408,840** | **$11,220,355** | - The Allowance for Credit Losses (ACL) on loans increased to **$145.1 million** at June 30, 2025, from **$138.0 million** at year-end 2024, including a qualitative adjustment of approximately **$40.6 million** with **$19.6 million** allocated to sponsor finance loans[45](index=45&type=chunk)[47](index=47&type=chunk) - Nonperforming loans increased significantly to **$105.8 million** at June 30, 2025, from **$42.7 million** at December 31, 2024, primarily due to two well-secured borrowing relationships that filed for bankruptcy[50](index=50&type=chunk) [Item 2. Management's Discussion and Analysis of Financial Condition and Results of Operations](index=39&type=section&id=Item%202.%20Management%27s%20Discussion%20and%20Analysis%20of%20Financial%20Condition%20and%20Results%20of%20Operations) Management discusses the company's financial performance, highlighting strong growth in net interest income, proactive deposit management, and an increase in nonperforming loans concentrated in specific, well-collateralized relationships [Executive Summary](index=42&type=section&id=Executive%20Summary) The company reported strong financial performance with increased Pre-Provision Net Revenue and net interest income, alongside growth in loan and deposit balances, while maintaining a strong capital position despite an increase in nonperforming loans | ($ in thousands, except per share data) | Q2 2025 | Q1 2025 | Q2 2024 | | :--- | :--- | :--- | :--- | | Net Income | $51,384 | $49,961 | $45,446 | | Diluted EPS | $1.36 | $1.31 | $1.19 | | Net Interest Margin (tax equivalent) | 4.21% | 4.15% | 4.19% | | Nonperforming loans to total loans | 0.93% | 0.97% | 0.36% | - Total loans grew by **$188.5 million** (**2%**) to **$11.4 billion** since year-end 2024, while total deposits increased by **$170.9 million** to **$13.3 billion**[111](index=111&type=chunk) - A pending acquisition of 12 branches from First Interstate is expected to close in Q4 2025, adding approximately **$705 million** in deposits and **$300 million** in loans[112](index=112&type=chunk) [Results of Operations](index=45&type=section&id=Results%20of%20Operations) Net interest income grew due to loan growth and higher-yielding securities, while noninterest income increased from BOLI and community development, and noninterest expense rose due to compensation and loan workout costs - Net interest income (tax-equivalent) increased by **$5.5 million** from the linked quarter, reflecting loan growth and a higher-yielding securities portfolio, with the Net Interest Margin (NIM) expanding to **4.21%** in Q2 2025 from **4.15%** in Q1 2025[119](index=119&type=chunk)[124](index=124&type=chunk) - Noninterest income rose by **$2.1 million** from the linked quarter, primarily due to a **$1.7 million** increase in Bank-Owned Life Insurance (BOLI) income and higher community development investment income[126](index=126&type=chunk) - Noninterest expense increased by **$5.9 million** from the linked quarter, driven by higher employee compensation, variable deposit costs, and a **$1.1 million** increase in loan and legal expenses related to workouts[129](index=129&type=chunk) [Financial Condition](index=51&type=section&id=Financial%20Condition) Total assets reached **$16.1 billion** at June 30, 2025, driven by growth in loans and investment securities, while nonperforming assets increased due to specific commercial real estate loans, and deposits grew to **$13.3 billion** - The investment securities portfolio grew by **$504.5 million** to **$3.3 billion** since year-end 2024, with an average duration of **5.1 years** and expected cash flow of approximately **$547.5 million** over the next 12 months[133](index=133&type=chunk)[134](index=134&type=chunk)[136](index=136&type=chunk) - The loan portfolio increased by **$188.5 million** to **$11.4 billion**, led by growth in Commercial & Industrial (C&I) and Commercial Real Estate (CRE) loans[137](index=137&type=chunk) - Nonperforming loans increased to **$105.8 million** (**0.93% of total loans**) from **$42.7 million** at year-end, primarily driven by seven loans to two relationships totaling **$68.4 million**, which are well-secured by real estate with loan-to-value ratios ranging from **39% to 79%**[146](index=146&type=chunk)[147](index=147&type=chunk) - Total deposits grew by **$170.9 million** to **$13.3 billion**, though noninterest-bearing deposits decreased to **32%** of total deposits from **34%** at year-end 2024[149](index=149&type=chunk) [Liquidity and Capital Resources](index=58&type=section&id=Liquidity%20and%20Capital%20Resources) The company maintains a strong liquidity position with **$6.6 billion** in available sources and capital ratios well above regulatory requirements for a "well-capitalized" institution | ($ in thousands) | June 30, 2025 | | :--- | :--- | | Federal Reserve borrowing capacity | $3,161,125 | | FHLB borrowing capacity | $1,087,454 | | Unpledged securities | $1,633,867 | | **Total Available Liquidity** | **$6,558,966** | | Capital Ratios | June 30, 2025 | Well Capitalized Minimum | | :--- | :--- | :--- | | Common Equity Tier 1 | 11.9% | 6.5% | | Tier 1 Capital | 13.2% | 8.0% | | Total Capital | 14.7% | 10.0% | | Leverage Ratio | 11.1% | 5.0% | [Item 3. Quantitative and Qualitative Disclosures About Market Risk](index=64&type=section&id=Item%203.%20Quantitative%20and%20Qualitative%20Disclosures%20About%20Market%20Risk) The company manages interest rate risk to optimize net interest income, with simulation modeling indicating that a **+100 basis point** parallel rate shock would increase net interest income by **3.6%** over the next 12 months | Rate Shock | Annual % change in net interest income | | :--- | :--- | | +300 bp | 10.2% | | +100 bp | 3.6% | | -100 bp | (3.3)% | | -300 bp | (9.2)% | - The company holds **$6.8 billion** in variable rate loans, of which **$4.7 billion** have interest rate floors, with nearly all loans at or above their respective floors as of June 30, 2025[180](index=180&type=chunk) [Item 4. Controls and Procedures](index=66&type=section&id=Item%204.%20Controls%20and%20Procedures) Management concluded that the company's disclosure controls and procedures were effective as of June 30, 2025, with no material changes to internal controls over financial reporting during the quarter - The CEO and CFO concluded that the company's disclosure controls and procedures were effective as of June 30, 2025[185](index=185&type=chunk) - No material changes were made to internal controls over financial reporting during the quarter[186](index=186&type=chunk) PART II - OTHER INFORMATION [Item 1. Legal Proceedings](index=66&type=section&id=Item%201.%20Legal%20Proceedings) The company states that it is not party to any legal proceedings that would have a material adverse effect on its business or financial condition - Management believes there are no pending or threatened legal proceedings that would materially and adversely affect the company[188](index=188&type=chunk) [Item 1A. Risk Factors](index=66&type=section&id=Item%201A.%20Risk%20Factors) There have been no material changes to the risk factors previously disclosed in the company's Annual Report on Form 10-K for the year ended December 31, 2024 - No material changes to the risk factors from the Form 10-K for the fiscal year ended December 31, 2024, have been reported[190](index=190&type=chunk) [Item 2. Unregistered Sales of Equity Securities and Use of Proceeds](index=66&type=section&id=Item%202.%20Unregistered%20Sales%20of%20Equity%20Securities%20and%20Use%20of%20Proceeds) The company reported no unregistered sales of equity securities during the period - None[191](index=191&type=chunk) [Item 5. Other Information](index=67&type=section&id=Item%205.%20Other%20Information) During the quarter, no officer or director adopted or terminated a Rule 10b5-1 trading plan or any non-Rule 10b5-1 trading arrangement - No officer or director adopted or terminated a Rule 10b5-1 trading plan during the quarter ended June 30, 2025[197](index=197&type=chunk) [Item 6. Exhibits](index=68&type=section&id=Item%206.%20Exhibits) This section lists the exhibits filed with the Form 10-Q, including certifications by the CEO and CFO, and XBRL data files

EXHIBIT 99.1 ENTERPRISE FINANCIAL SERVICES CORP REPORTS SECOND QUARTER 2025 RESULTS Second Quarter Results St. Louis, MO. July 28, 2025 – Enterprise Financial Services Corp (Nasdaq: EFSC) (the "Company" or "EFSC"), today announced financial results for the second quarter of 2025. "Our second quarter results demonstrated expansion in net interest income and net interest margin, continuing the strong start to 2025," said Jim Lally, President and Chief Executive Officer. "Loan growth spanned the portfolio and ...

PART I - FINANCIAL INFORMATION [Item 1. Financial Statements](index=5&type=section&id=Item%201.%20Financial%20Statements) This section presents the unaudited condensed consolidated financial statements for Enterprise Financial Services Corp as of March 31, 2025, and for the three months then ended, including Balance Sheets, Statements of Income, Comprehensive Income, Stockholders' Equity, and Cash Flows, along with accompanying notes [Condensed Consolidated Balance Sheets](index=5&type=section&id=Condensed%20Consolidated%20Balance%20Sheets) As of March 31, 2025, total assets increased slightly to $15.68 billion from $15.60 billion at year-end 2024, driven by increases in loans and securities, funded by a rise in FHLB advances, while total deposits saw a minor decrease and stockholders' equity grew to $1.87 billion Condensed Consolidated Balance Sheet Highlights | ($ in thousands) | March 31, 2025 | December 31, 2024 | | :--- | :--- | :--- | | **Total Assets** | **$15,676,594** | **$15,596,431** | | Total loans, net | $11,155,819 | $11,082,405 | | Total securities | $3,024,350 | $2,791,205 | | **Total Liabilities** | **$13,808,521** | **$13,772,429** | | Total deposits | $13,034,230 | $13,146,492 | | FHLB advances | $205,000 | $— | | **Total Stockholders' Equity** | **$1,868,073** | **$1,824,002** | [Condensed Consolidated Statements of Income](index=6&type=section&id=Condensed%20Consolidated%20Statements%20of%20Income) For the three months ended March 31, 2025, net income rose to $50.0 million from $40.4 million in the prior-year period, driven by higher net interest income of $147.5 million and a significant positive swing in noninterest income, primarily from tax credit activities, with diluted earnings per share increasing to $1.31 from $1.05 year-over-year Q1 2025 Income Statement Summary | ($ in thousands, except per share data) | Three months ended March 31, 2025 | Three months ended March 31, 2024 | | :--- | :--- | :--- | | Net interest income | $147,516 | $137,728 | | Provision for credit losses | $5,184 | $5,756 | | Total noninterest income | $18,483 | $12,158 | | Total noninterest expense | $99,783 | $93,501 | | **Net income** | **$49,961** | **$40,401** | | **Net income available to common stockholders** | **$49,023** | **$39,463** | | **Diluted earnings per common share** | **$1.31** | **$1.05** | [Condensed Consolidated Statements of Cash Flows](index=9&type=section&id=Condensed%20Consolidated%20Statements%20of%20Cash%20Flows) For the first three months of 2025, the company experienced a net decrease in cash and cash equivalents of $282.5 million, with net cash provided by operating activities of $40.0 million, net cash used in investing activities of $365.7 million, and net cash provided by financing activities of $43.2 million Summary of Cash Flows (Three months ended March 31) | ($ in thousands) | 2025 | 2024 | | :--- | :--- | :--- | | Net cash provided by operating activities | $40,022 | $29,889 | | Net cash used in investing activities | ($365,743) | ($180,502) | | Net cash provided by financing activities | $43,221 | $87,004 | | **Net decrease in cash and cash equivalents** | **($282,500)** | **($63,609)** | [Notes to Condensed Consolidated Financial Statements](index=11&type=section&id=Notes%20to%20Condensed%20Consolidated%20Financial%20Statements) This section provides detailed disclosures supporting the financial statements, covering the investment portfolio, loan portfolio and credit quality, off-balance sheet commitments, use of derivatives for hedging, and a significant subsequent event involving a branch acquisition - The loan portfolio grew to **$11.3 billion**, primarily in commercial and industrial (C&I) and commercial real estate (CRE) loans[42](index=42&type=chunk) - Nonperforming loans increased significantly to **$109.9 million** from **$42.7 million** at year-end, largely due to two borrowing relationships that filed for bankruptcy amid a business dispute between partners, though the company expects to collect the full balance due to strong collateral and guarantees[50](index=50&type=chunk) - Subsequent to quarter-end, on April 28, 2025, the Bank agreed to acquire twelve branches from First Interstate Bank, including approximately **$740 million** in deposits and **$200 million** in loans, with the transaction expected to close in the early fourth quarter of 2025[97](index=97&type=chunk) [Item 2. Management's Discussion and Analysis of Financial Condition and Results of Operations](index=36&type=section&id=Item%202.%20Management%27s%20Discussion%20and%20Analysis%20of%20Financial%20Condition%20and%20Results%20of%20Operations) Management discusses the company's financial performance for Q1 2025, highlighting an increase in net income driven by higher net interest income and a positive swing in noninterest income, covering loan and deposit trends, credit quality, liquidity, and capital resources, including a significant increase in nonperforming loans due to a specific client relationship and details of a pending branch acquisition [Executive Summary](index=39&type=section&id=Executive%20Summary) Q1 2025 net income was $50.0 million, with diluted EPS of $1.31, pre-provision net revenue (PPNR) of $66.1 million, and a stable net interest margin (NIM) of 4.15%, while total loans grew by an annualized 3% to $11.3 billion, deposits decreased slightly to $13.0 billion, and asset quality saw an increase in nonperforming assets to 0.72% of total assets, primarily due to a single, well-collateralized relationship Key Performance Indicators (Q1 2025) | Metric | Q1 2025 | Q4 2024 | Q1 2024 | | :--- | :--- | :--- | :--- | | Net Income ($ thousands) | $49,961 | $48,834 | $40,401 | | Diluted EPS | $1.31 | $1.28 | $1.05 | | Return on average assets | 1.30% | 1.27% | 1.12% | | Net interest margin (tax equivalent) | 4.15% | 4.13% | 4.13% | | Nonperforming loans to total loans | 0.97% | 0.38% | 0.32% | | ACL on loans to total loans | 1.27% | 1.23% | 1.23% | - On April 28, 2025, the Bank entered into an agreement to acquire **12 branches** from First Interstate Bank, which is expected to close in the early fourth quarter of 2025[110](index=110&type=chunk) [Results of Operations](index=42&type=section&id=Results%20of%20Operations) Net interest income increased to $150.0 million (tax-equivalent) in Q1 2025, driven by loan growth and lower deposit costs, while noninterest income rose to $18.5 million due to tax credit income, and noninterest expense was stable compared to the linked quarter at $99.8 million but up 7% year-over-year due to higher compensation and deposit costs - Net interest income (tax-equivalent) increased by **$10.2 million** year-over-year, reflecting organic loan growth and proactive management of deposit costs amid falling short-term interest rates[117](index=117&type=chunk) - Noninterest income increased by **$6.3 million** from the prior year quarter, primarily due to a **$4.8 million** positive swing in tax credit income[122](index=122&type=chunk) - Noninterest expense increased by **$6.3 million** year-over-year, driven by annual merit increases and higher deposit servicing costs related to balance growth[124](index=124&type=chunk) [Summary Balance Sheet Analysis](index=46&type=section&id=Summary%20Balance%20Sheet) Total assets grew to $15.7 billion, with loans increasing by $78.4 million to $11.3 billion and investment securities rising by $233.1 million, while total deposits decreased by $112.3 million to $13.0 billion, with a decline in noninterest-bearing accounts, and nonperforming loans rose sharply to $109.9 million due to a specific commercial real estate relationship - The loan portfolio is diversified, with C&I loans at **$4.7 billion** and total CRE loans at **$5.0 billion**, including specialized lending areas such as SBA, sponsor finance, and life insurance premium financing[132](index=132&type=chunk)[133](index=133&type=chunk) - The provision for credit losses was **$5.2 million** for Q1 2025, reflecting changes in economic forecasts, qualitative factors, and loan growth, with the quarter seeing net recoveries of **$1.1 million**[137](index=137&type=chunk) - The increase in nonperforming loans was primarily due to seven CRE loans totaling **$68.4 million** to two related entities that filed for bankruptcy, which the company believes are well-secured with loan-to-value ratios ranging from **39%** to **79%** and include substantial personal guarantees[142](index=142&type=chunk) [Liquidity and Capital Resources](index=53&type=section&id=Liquidity%20and%20Capital%20Resources) The company maintains a strong liquidity position with total available sources of $6.2 billion as of March 31, 2025, including borrowing capacity from the FHLB and Federal Reserve, while stockholders' equity increased by $44.1 million during the quarter to $1.9 billion, driven by net income, and the company and bank remain 'well-capitalized' under regulatory standards, with a Common Equity Tier 1 ratio of 11.8% Available Liquidity Sources (March 31, 2025) | Source | Amount ($ in thousands) | | :--- | :--- | | Federal Reserve borrowing capacity | $2,866,151 | | FHLB borrowing capacity | $1,144,110 | | Unpledged securities | $1,550,891 | | Federal funds lines | $140,000 | | Cash and interest-bearing deposits | $481,670 | | **Total** | **$6,207,822** | Regulatory Capital Ratios (EFSC) | Ratio | March 31, 2025 | Minimum with CCB | | :--- | :--- | :--- | | Common Equity Tier 1 Capital | 11.8% | 7.0% | | Tier 1 Capital | 13.1% | 8.5% | | Total Capital | 14.7% | 10.5% | | Leverage Ratio | 11.0% | N/A | - During Q1 2025, stockholders' equity increased due to **$50.0 million** in net income, partially offset by **$11.3 million** in dividends and **$10.6 million** in common stock repurchases[152](index=152&type=chunk) [Item 3. Quantitative and Qualitative Disclosures About Market Risk](index=58&type=section&id=Item%203.%20Quantitative%20and%20Qualitative%20Disclosures%20About%20Market%20Risk) The company manages interest rate risk to optimize net interest income, with simulation modeling as of March 31, 2025, indicating that a 100 basis point parallel upward shift in rates would increase net interest income by 3.1% over 12 months, while a 100 basis point downward shift would decrease it by 2.5%, and the company utilizes derivative contracts to hedge cash flows on floating rate loans and debt Interest Rate Shock Impact on Net Interest Income | Rate Shock | Annual % change in net interest income | | :--- | :--- | | + 300 bp | 8.9% | | + 200 bp | 6.0% | | + 100 bp | 3.1% | | - 100 bp | (2.5)% | | - 200 bp | (6.5)% | | - 300 bp | (8.1)% | - The company had **$6.8 billion** in variable rate loans at March 31, 2025, with **$4.7 billion** having an interest rate floor[174](index=174&type=chunk) [Item 4. Controls and Procedures](index=59&type=section&id=Item%204.%20Controls%20and%20Procedures) Management, including the CEO and CFO, evaluated the company's disclosure controls and procedures and concluded they were effective as of March 31, 2025, with no material changes to internal controls over financial reporting during the quarter - The CEO and CFO concluded that the company's disclosure controls and procedures were effective as of March 31, 2025[178](index=178&type=chunk) - No changes were made during the quarter that materially affected, or are reasonably likely to materially affect, the company's internal controls over financial reporting[179](index=179&type=chunk) PART II - OTHER INFORMATION [Item 1. Legal Proceedings](index=60&type=section&id=Item%201.%20Legal%20Proceedings) The company reports that it is not party to any legal proceedings that would have a material adverse effect on its business, financial condition, or results of operations - Management believes there are no pending or threatened legal proceedings that would materially and adversely affect the company[181](index=181&type=chunk) [Item 1A. Risk Factors](index=60&type=section&id=Item%201A.%20Risk%20Factors) There have been no material changes to the risk factors previously disclosed in the company's Annual Report on Form 10-K for the year ended December 31, 2024 - No material changes to the risk factors described in the Annual Report on Form 10-K for the year ended December 31, 2024 have occurred[183](index=183&type=chunk) [Item 2. Unregistered Sales of Equity Securities and Use of Proceeds](index=60&type=section&id=Item%202.%20Unregistered%20Sales%20of%20Equity%20Securities%20and%20Use%20of%20Proceeds) During the first quarter of 2025, the company repurchased a total of 191,739 shares of its common stock at a weighted-average price of $55.28 per share under its publicly announced repurchase program Share Repurchase Activity (Q1 2025) | Period | Total shares purchased | Weighted-average price paid per share | | :--- | :--- | :--- | | January 2025 | 101,739 | $55.24 | | February 2025 | — | — | | March 2025 | 90,000 | $55.34 | | **Total** | **191,739** | **$55.28** |

EXHIBIT 99.1 ENTERPRISE FINANCIAL SERVICES CORP REPORTS FIRST QUARTER 2025 RESULTS First Quarter Results St. Louis, MO. April 28, 2025 – Enterprise Financial Services Corp (Nasdaq: EFSC) (the "Company" or "EFSC"), today announced financial results for the first quarter of 2025. "EFSC's first quarter results were a positive start to 2025," said Jim Lally, President and Chief Executive Officer. "Our proactive management of the balance sheet and cost of deposits has led to expansion in both net interest income ...

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, 2024 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: 001-15373 ENTERPRISE FINANCIAL SERVICES CORP (Exact name of registrant as specified in its charter) (State or ...

EXHIBIT 99.1 ENTERPRISE FINANCIAL REPORTS FOURTH QUARTER AND FULL YEAR 2024 RESULTS Fourth Quarter Results ROATCE, tangible common equity to tangible assets, and tangible book value per common share are non-GAAP measures. Please refer to discussion and reconciliation of these measures in the accompanying financial tables. 1 • Net income of $48.8 million, or $1.28 per diluted common share, compared to $1.32 in the linked quarter and $1.16 in the prior year quarter • Net interest income of $146.4 million, qua ...

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 September 30, 2024. ☐ 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 001-15373 ENTERPRISE FINANCIAL SERVICES CORP Incorporated in the State of Delaware I.R.S. Employer Identification # 43-1706259 ...

EXHIBIT 99.1 ENTERPRISE FINANCIAL REPORTS THIRD QUARTER 2024 RESULTS Third Quarter Results St. Louis, Mo. October 21, 2024 – Jim Lally, President and Chief Executive Officer of Enterprise Financial Services Corp (Nasdaq: EFSC) (the "Company" or "EFSC"), said today upon the release of EFSC's third quarter earnings, "We are proud of our third quarter results, with a stable net interest margin, expansion in net interest income and an 11% increase in diluted earnings per share over the linked quarter. Our consi ...