ENTERPRISE FINANCIAL SERVICES CORP (EFSC) stock intrinsic value fair value estimate & owner earnings analysis

Enterprise Financial Services Corp is the holding company for Enterprise Bank & Trust, a commercial bank of about $17.4 billion in assets that lends to and gathers deposits from privately owned businesses, their owners and property investors. Its branches are in St. Louis, Kansas City, Phoenix, Tucson, Los Angeles, San Diego, Las Vegas, northern New Mexico and Florida, and it also runs national specialty deposit businesses (property management, community associations and similar niches) plus SBA lending offices around the country. Commercial and industrial loans and commercial real estate make up the great majority of its $11.9 billion loan book. The current bank was shaped by the July 2021 purchase of First Choice Bancorp in Southern California; in the fourth quarter of 2025 it bought twelve former First Interstate Bank branches in Arizona and Kansas City, adding about $292 million of loans and $610 million of deposits. How we measure earnings. For a bank we start from net income and add back only the part of each year's loan-loss provision that went into building reserves rather than covering loans actually written off, plus depreciation and amortization, and then subtract stock compensation and branch and equipment spending. Actual charge-offs are treated as a real cost. On that basis the bank earned between $4.79 and $5.32 per share in each of the four full years since the First Choice deal (2022-2025). We use the median of those years, about $5.00 per share, as today's earning power; earlier years describe a smaller bank before the Southern California franchise was added. The 2025 figure of $5.06 was not flattered by the $32.1 million insurance claim booked in noninterest income that year, because an equal $32.1 million of extra income tax (a recaptured $24.1 million solar tax credit plus tax on the expected insurance payment) was booked against it. The bank's reported cash flow from operations ran roughly 35-45% above our measure in 2023 and 2024, mainly because cash flow treats all loan-loss charges as non-cash and includes timing swings in other assets and liabilities; we view our measure as the better reflection of what owners can take out. Recent results. Earning power grew about 5.6% in 2025 (from $4.79 to $5.06 per share). The first half of 2026 ran weaker, at roughly $4.80 per share annualized: provisions rose to $21.5 million from $8.7 million a year earlier, driven by $13.6 million of second-quarter charge-offs on one commercial and industrial relationship and one sponsor-finance loan, nonperforming assets rose to 0.92% of assets, and the bank took a small loss selling $179 million of low-yielding securities to reinvest at higher yields. Net interest margin, by contrast, widened to 4.30%. Against the 5.6% growth of 2025, our base case assumes about 3% lower earnings in the coming year ($4.85 per share), because two quarters of higher credit costs are already visible, before a return to the $5.00 level the bank has already reached under current conditions. How we treat growth. A bank can only grow its loans if it retains capital alongside them, so every case that credits growth also charges the cost of holding back roughly $0.85-$1.60 per share a year of earnings to keep capital in line with the larger balance sheet. The only growth we credit is continued organic growth of loans and deposits through the existing branch and specialty-deposit network, which the bank has done steadily for many years, including through 2020. We give no credit to future acquisitions (past deals were large and paid for with shares, not small self-funded steps), to further margin expansion, or to the new share buyback authorization. After year ten we assume no further growth: the deposit franchise, which has operated since 1988, keeps earning at the year-ten level with nothing added for inflation or expansion. Base case (about $86 per share). Earnings of $4.85 next year, back to $5.00, then about 2% a year growth for eight years with the capital retention charged, and one moderate credit downturn in year three costing about 0.5% of loans in extra charge-offs (about $1.22 per share after tax), in line with the bank's own history of recurring credit cycles (2009-2010, 2020). The business is worth about $87.59 per share (about $3.2 billion). Bear case (about $64 per share). A genuine commercial credit cycle hits a book concentrated in commercial real estate and business loans: charge-offs run near 1.5% of loans for two years and 0.8% in the third, against about 0.2% in recent years, cutting after-tax earnings by roughly $3.16 per share in each of the worst years. The $32.1 million insurance claim on the recaptured solar credit is not paid, costing about $0.87 per share. Falling interest rates and competitive deposit costs pull normal earning power to $4.40 per share, below any full year since the First Choice deal, with no growth afterward. The bank stays profitable before these losses by a wide margin and its common equity tier 1 ratio of 11.5% absorbs them without needing new shares. The business is worth about $65.49 per share (about $2.4 billion). Bull case (about $98 per share). The 4.30% margin holds, helped by securities already reinvested at 5.20% in mid-2026, so earning power runs at $5.30 per share (the level of 2022), and organic loan and deposit growth runs about 3% a year for ten years with the retained capital charged. The business is worth about $99.36 per share (about $3.6 billion). What the company owes. For a bank, deposits and borrowings are the raw material of the business and their interest is already charged in the earnings above, so we do not subtract them again; this includes the holding company's roughly $266 million of subordinated notes, among them $175 million of 6.25% notes issued in 2026, due 2036 and callable from 2031, whose interest the bank's earnings cover many times over. What does rank ahead of the common shareholders is $75 million of 5% perpetual preferred stock, whose dividends are included in the earnings figures above. Because it pays a fixed 5%, below our 6% rate, its claim is worth about $62.5 million, or $1.70 per share, and we subtract it in every case: bear $65.49 business value less $1.70 owed leaves $63.79; base $87.59 less $1.70 leaves $85.89; bull $99.36 less $1.70 leaves $97.66 per share. What changed since our last analysis. We previously estimated $67, $126 and $152 per share. The main change is the long-run view: we had assumed earnings would keep growing with inflation forever after year ten, and we had not charged for the capital a bank must retain in order to grow. We now assume no growth after year ten and charge the retained capital, which lowers the base and bull cases substantially. We also now deduct the preferred stock's claim, which we had previously left out even though our earnings figure included its dividends (about $1.70 per share). The weaker first half of 2026 trims the near-term path, and the bear case now includes the risk that the solar tax credit insurance claim is not collected. About 60-65% of each case's value comes after year ten, so the estimate depends on the franchise continuing to earn roughly today's returns for decades. What would make this wrong: credit losses from the commercial real estate and sponsor-finance books running well beyond the bear case, a lasting drop in the net interest margin below its 2021-2025 range, or the specialty deposit businesses losing their low-cost funding.