a.Principles of Consolidation - The consolidated financial statements include the accounts of FirstSun Capital Bancorp (“FirstSun” or “Parent Company”) and its wholly-owned subsidiaries, Sunflower Bank, N.A. (the “Bank”), Sunflower Wealth Advisors LLC, and FEIF Capital Partners, LLC, and have been prepared using U.S. generally accepted accounting principles (“U.S. GAAP”) and prevailing practices in the banking industry. All significant intercompany balances and transactions have been eliminated. These entities are collectively referred to as “our”, “us”, “we”, or “the Company”.

b.Nature of Operations - The Bank’s headquarters are located in Dallas, Texas. The Bank primarily operates throughout Texas, Kansas, Colorado, New Mexico, Arizona and California providing a full range of commercial and consumer banking and financial services to small and medium-sized companies. Its primary deposit products are checking, savings and term certificate accounts. Its primary wealth management and trust products are private banking, personal trust and agency accounts, employee benefit and retirement related trust and agency accounts, investment management and advisory agency accounts, and foundation and endowment trust and agency accounts. Its primary lending products are commercial, residential mortgage and consumer loans. Substantially all loans are secured by specific items of collateral, including business assets, consumer assets, and commercial and residential real estate. Commercial and industrial loans are generally expected to be repaid from the borrower’s cash flow from operations.

c.Pending Merger with First Foundation - On October 27, 2025, FirstSun and First Foundation Inc. (“First Foundation”) entered into an Agreement and Plan of Merger, as amended by Amendment No. 1 dated February 6, 2026. Under the merger agreement, First Foundation will merge with and into FirstSun, with FirstSun continuing as the surviving corporation (the “Merger”). Immediately following the completion of the Merger, First Foundation’s wholly-owned bank subsidiary, First Foundation Bank, a California state-chartered bank, will merge with and into FirstSun’s wholly-owned bank subsidiary, Sunflower Bank, N.A., a national banking association, with Sunflower Bank continuing as the surviving bank.

If the Merger is completed, at the effective time of the Merger (i) each outstanding share of First Foundation common stock will be converted into the right to receive 0.16083 of a share of FirstSun common stock, plus cash in lieu of fractional shares, subject to certain exceptions; and (ii) each outstanding share of First Foundation Series A Noncumulative Convertible Preferred Stock and each outstanding share of First Foundation Series C Non-Voting Common Equity Equivalent Stock (collectively, the “First Foundation Preferred Stock”) will be converted into the right to receive 0.16083 of a share of FirstSun common stock, plus cash in lieu of fractional shares, for the number of shares of First Foundation common stock into which such shares of First Foundation Preferred Stock were convertible immediately prior to the effective time of the Merger, subject to certain exceptions. Immediately prior to the effective time of the Merger, each outstanding warrant to acquire shares of First Foundation Series C Non-Voting Common Equity Equivalent Stock will be exercised and terminated pursuant to a Warrant Exercise and Termination Agreement. Immediately prior to the effective time of the Merger, each holder of First Foundation warrants will automatically exercise its warrants on a cashless basis and receive First Foundation Series C Non-Voting Common Equity Equivalent Stock together with its pro rata share of an aggregate cash payment of approximately $17.5 million to all warrant holders. The First Foundation Series C Non-Voting Common Equity Equivalent Stock received by warrant holders upon exercise will be exchanged in the Merger for shares of FirstSun common stock as described above.

d.Subsequent Events - We evaluate events occurring subsequent to the balance sheet date to determine whether the events required recognition or disclosure in the financial statements. If conditions of a subsequent event existed as of the balance sheet date, depending on materiality, the effects may be required to be recognized and disclosed in the financial statements. If conditions of a subsequent event arose after the balance sheet date, the effects are not required to be recognized in the financial statements, but depending on materiality, may need to be disclosed in the financial statements.

e.Use of Estimates - The preparation of consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions based on available information. These estimates and assumptions affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the consolidated financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.

These estimates are based on historical experience and on various assumptions about the future that are believed to be reasonable based on all available information. Our reported financial position or results of operations may be materially different under changed conditions or when using different estimates and assumptions, particularly with respect to critical accounting policies. In the event that estimates or assumptions prove to differ from actual results, adjustments are made in subsequent periods to reflect more current information.

f.Concentration of Credit Risk - We have a significant concentration in commercial and industrial loans and residential real estate within Texas, Kansas, Colorado, New Mexico and Arizona. When necessary, we perform credit evaluations on our customers' financial condition and often request additional guarantees and forms of collateral from our customers. These financial evaluations require significant judgment and are based on a variety of factors including, but not limited to, current economic trends, historical payment patterns, cash flow needs and deposit balances (particularly in light of recent developments in the banking industry) and bad debt write-off experience. Declines in the local or statewide economies could have an adverse impact on our borrowers’ financial condition. Specifically, inflation and higher interest rates, along with monetary events, can cause some of our business customers who have greater operating cash needs to draw on their deposits with us to meet expenses. Adverse developments affecting real estate values in one or more of our markets could increase our credit risk associated with our loan portfolio. Additionally, if loans are not repaid according to their terms, the collateral securing the loans, in those cases where real estate serves as the primary collateral, may not have value equal to the amounts owed under the loan. We did not exceed regulatory concentration monitoring levels as of December 31, 2025 or 2024.

h.Adoption of New Accounting Standards and Change in Accounting Principle - As an “emerging growth company” under Section 107 of the JOBS Act, we can take advantage of the extended transition period provided in Section 7(a)(2)(B) of the Securities Act for complying with new or revised accounting standards. Therefore, we can delay the adoption of certain accounting standards until those standards would otherwise apply to non-public business entities. We intend to take advantage of the benefits of this extended transition period for an “emerging growth company” for as long as it is available to us. For standards that we have delayed adoption, we may lack comparability to other companies who have adopted such standards.

In March of 2023, the FASB issued ASU 2023-02, “Investments - Equity Method and Joint Ventures (Topic 323): Accounting for Investments in Tax Credit Structures Using the Proportional Amortization Method.” ASU 2023-02 allows entities to elect to account for qualifying tax equity investments using the proportional amortization method, regardless of the program giving rise to the related income tax credits. We adopted the amendments in this ASU as of January 1, 2025. The adoption did not have a significant effect on our financial statements.

In December of 2023, the FASB issued ASU 2023-09, Income Taxes (Topic 740: Improvements to Income Tax Disclosures, which requires public business entities to disclose in their rate reconciliation table additional categories of information about federal, state and foreign income taxes and to provide more details about the reconciling items in some categories if items meet a quantitative threshold. It also requires all entities to disclose income taxes paid, net of refunds, disaggregated by federal, state and foreign taxes for annual periods and to disaggregate the information by jurisdiction based on a quantitative threshold, among other things. We adopted the amendments in this ASU for our annual financial statements in 2025, prospectively. See Note 15 - Income Taxes.

i.Fair Value Measurement - Fair value is determined in accordance with Accounting Standards Codification (ASC) Topic 820, Fair Value Measurement. ASC Topic 820 establishes a fair value hierarchy which requires the use of observable inputs and minimizes the use of unobservable inputs when measuring fair value. Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. ASC Topic 820 describes three levels of inputs that may be used to measure fair value:

Level 2: Inputs other than quoted prices included in Level 1 that are observable for the asset or liability, either directly or indirectly. These might include quoted prices for similar assets or liabilities in active markets, quoted prices for identical or similar assets or liabilities in markets that are not active, inputs other than quoted prices that are observable for the asset or liability (such as interest rates, volatilities, prepayment speeds, credit risks, etc.) or inputs that are derived principally from or corroborated by market data by correlation or other means.

j.Cash and Cash Equivalents - Cash and cash equivalents include cash, cash items in process of collection, deposits with other financial institutions and federal funds sold. For purposes of the consolidated statements of cash flows, we consider all federal funds sold and interest-bearing deposits at other financial institutions to be cash and cash equivalents, all with original maturities of less than 90 days. Cash held at depository institutions at times may be in excess of the Federal Deposit Insurance Corporation (FDIC) insurance limit. Cash deposits are with financial institutions that we believe to be reputable and we do not anticipate realizing any losses from these cash deposits. As of December 31, 2025 and 2024, we have complied with all regulatory cash reserve and clearing requirements. Cash and cash equivalents were as follows as of December 31,:

Held-to-maturity securities are recorded at amortized cost. Available-for-sale securities are recorded at fair value. Unrealized holding gains and losses on available-for-sale securities are excluded from earnings and are reported as a separate component of stockholders’ equity (accumulated other comprehensive income/loss) until realized. Realized gains and losses on securities classified as available-for-sale are included in earnings and recorded on trade date. The specific identification method is used to determine the cost of the securities sold.

For available-for-sale debt securities in an unrealized loss position, management first assesses whether it intends to sell, or it is more likely than not that it will be required to sell, the security before recovery of its amortized cost basis. If either of the criteria regarding intent or requirement to sell is met, the security’s amortized cost basis is written down to fair value. Any previously recognized allowance for credit losses (“ACL”) should be written off and the write-down in excess of such ACL would be recorded through a charge to the provision for credit losses. For available-for-sale debt securities that do not meet the aforementioned criteria, management evaluates whether the decline in fair value has resulted from credit losses or other factors. In making this assessment, management considers the cash position of the issuer and its cash and capital generation capacity, which could increase or diminish the issuer’s ability to repay its bond obligations, the extent to which the fair value is less than the amortized cost basis, any adverse change to the credit conditions and liquidity of the issuer, taking into consideration the latest information about the financial condition of the issuer, credit ratings, the failure of the issuer to make scheduled principal or interest payments, recent legislation and government actions affecting the issuer’s industry, and actions taken by the issuer to deal with the economic climate. Management also takes into

consideration changes in the near-term prospects of the underlying collateral of a security, if any, such as changes in default rates, loss severity given default, and significant changes in prepayment assumptions and the level of cash flow generated from the underlying collateral, if any, supporting the principal and interest payments on the debt securities. If this assessment indicates that a credit loss exists, the present value of cash flows expected to be collected from the security is compared to the amortized cost basis of the security. If the present value of the cash flows expected to be collected is less than the amortized cost basis, a credit loss exists and management records an ACL for the credit loss, limited to the amount by which the fair value is less than the amortized cost basis. Management recognizes in accumulated other comprehensive income/loss (“AOCI”) any impairment that has not been recorded through an ACL, net of tax. Non-credit-related impairments result from other factors, including changes in interest rates.

Management records changes in the ACL as a provision for (or reversal of) credit loss expense. Losses are charged against the allowance when management believes the uncollectibility of an available-for-sale debt security is confirmed or when either of the criteria regarding intent or requirement to sell is met. Management has elected not to measure an ACL on accrued interest related to available-for-sale debt securities, as uncollectible accrued interest receivables are written off on a timely manner.

The ACL on held-to-maturity debt securities is based on an expected loss methodology referred to as current expected credit loss (“CECL”) methodology by major security type. Any expected credit loss is provided through the ACL on held-to-maturity debt securities and is deducted from the amortized cost basis of the security so the statement of financial condition reflects the net amount management expects to collect. For the ACL of held-to-maturity securities, management considers historical credit loss information that is adjusted for current conditions and reasonable and supportable forecasts.

Equity securities are carried at fair value, with changes in fair values reported in net income. Equity securities without readily determinable fair values are carried at cost, minus impairment, if any, plus or minus changes resulting from observable price changes in orderly transactions for the identical or a similar investment. Equity securities are included as a component of “prepaid expenses and other assets” in our consolidated balance sheets.

l.Loans Held-for-Sale - Mortgage loans originated and intended for sale in the secondary market are classified as loans held-for-sale and recorded at fair value. Most of these loans are sold with servicing rights retained. The changes in fair value of loans held-for-sale are measured and recorded in mortgage banking services. Loan origination fees are recorded in the period of origination.

Interest on loans receivable is accrued and credited to income based upon the principal amount outstanding using primarily a simple interest calculation. Loan origination fees and related direct loan origination costs for a given loan are offset and only the net amount is deferred and amortized and recognized in interest income over the life of the loan using the interest method without anticipating prepayments. The accrual of interest income on loans is discontinued when, in management’s judgment, the interest is uncollectible in the normal course of business, and a loan is moved to nonaccrual status in accordance with the Bank’s policy, typically after 90 or 120 days of non-payment, as follows: interest income on consumer, commercial real estate and commercial and industrial loans is typically discontinued at the time the loan is 90 days delinquent unless the loan is well-secured and in the process of collection; interest income on residential real estate loans is typically discontinued at the time the loan is 120 days delinquent unless the loan is well-secured and in the process of collection. Consumer and credit card loans are typically charged off no later than 120 days past due. Past due status is based on the contractual terms of the loan. In all cases, loans are placed on nonaccrual or charged-off at an earlier date if collection of principal or interest in full is considered doubtful. Nonaccrual loans and loans past due 90 days still on accrual are classified as nonperforming loans.

Acquired Loans – Loans acquired through a purchase or a business combination are recorded at their fair value as of the acquisition date. Management performs an assessment of acquired loans to first determine if such loans have experienced a more than insignificant deterioration in credit quality since their origination and thus should be classified and accounted for as purchased credit deteriorated (“PCD”) loans. For loans that have not experienced a more than insignificant deterioration in credit quality since origination, referred to as non-PCD loans, management records such loans at fair value, with any resulting discount or premium accreted or amortized into interest income over the remaining life of the loan using the interest method. Additionally, upon the purchase or acquisition of non-PCD loans, management measures and records an ACL based on the Bank’s methodology for determining the ACL. The ACL for non-PCD loans is recorded through a charge to the provision for credit losses in the period in which the loans are purchased or acquired.

Acquired loans that are classified as PCD are recognized at fair value, which includes any premiums or discounts resulting from the difference between the initial amortized cost basis and the par value. Premiums and non-credit loss related discounts are amortized or accreted into interest income over the remaining life of the loan using the interest method. Unlike non-PCD loans, the initial ACL for PCD loans is established through an adjustment to the acquired loan balance and not through a charge to the provision for credit losses in the period in which the loans are acquired. At acquisition, the ACL for PCD loans, which represents the fair value credit discount, is determined using a discounted cash flow method that considers the probability of default and loss-given default used in the Bank’s ACL methodology. Characteristics of PCD loans include the following: delinquency, payment history since origination, credit scores migration and/or other factors the Bank may become aware of through its initial analysis of acquired loans that may indicate there has been a more than insignificant deterioration in credit quality since a loan’s origination.

Management estimates the allowance using relevant available information, from internal and external sources, relating to past events, current conditions, and reasonable and supportable forecasts. Internal and industry historical credit loss experience is a significant input for the estimation of expected credit losses. Additionally, management’s assessment involves evaluating key factors, which include credit and macroeconomic indicators, such as changes in economic growth levels, unemployment rates, property values, and other relevant factors, to account for current and forecasted market conditions that are likely to cause estimated credit losses over the life of the loans to differ from historical credit losses. Expected credit losses are generally estimated over the contractual term of the loans, adjusted by prepayments when appropriate.

Management estimates the ACL primarily based on a probability of default (“PD”), loss-given default (“LGD”), and exposure at default (“EAD”) modeled approach, or individually for collateral dependent loans. Management evaluates the need for changes to the ACL by portfolio segments and classes of loans within certain of those portfolio segments. Factors such as the credit risk inherent in a portfolio and how management monitors the related quality, as well as the estimation approach to estimate credit losses, are considered in the determination of such portfolio segments and classes. The Bank believes it has a diversified portfolio across a variety of industries, and the portfolio is generally centered in the states in which the Bank has offices. Management has identified the following portfolio segments:

Commercial and industrial loans include commercial and industrial loans to commercial customers for use in normal business operations to finance working capital needs, equipment and inventory purchases, and other expansion projects. These loans are made primarily in the Bank’s market areas, are underwritten on the basis of the borrower’s ability to service the debt from revenue, and extended under the Bank’s normal credit standards, controls, and monitoring systems. Collateral is often represented by liens on accounts receivable, inventory, equipment, and other forms of general non-real estate business assets. The Bank often obtains some form of credit enhancement through a personal guaranty of the borrower, principals and/or others. The global cash flow capability of commercial and industrial loan

customers is generally evaluated both at underwriting and during the life of the loan. Commercial and industrial loans may involve increased risk due to the expectation that repayments for such loans generally come from the operation of the business activity and those operations may be unsuccessful. A disruption in the operating cash flows from a business, sometimes influenced by events not under the control of the borrower such as changing business environment, changes in regulations and political climate, rising interest rates, unexpected natural events, or competition could also impact the borrower’s capacity to repay the loan. Assets collateralizing commercial and industrial loans may also decline in value more quickly than anticipated. Commercial and industrial loans require increased underwriting and monitoring to offset these risks, for which the Bank’s systems have been designed to provide.

The ACL is measured using a PD/LGD with EAD model that is calculated based on the product of a cumulative PD and LGD. PD and LGD estimates are assigned based upon the periodic completion of credit risk scorecards. Remaining EAD is derived based on inherent loan characteristics and like-kind loan prepayment trends. Under this approach, management calculates losses for each loan for all future periods using the PD and LGD rates derived from the term structure curves applied to the estimated remaining balance of the loans.

Management periodically considers the need to make qualitative adjustments to the ACL. Qualitative adjustments may be related to and include, but not be limited to factors such as the following: (i) management’s assessment of economic forecasts used in the model and how those forecasts align with management’s overall evaluation of current and expected economic conditions; (ii) organization specific risks such as credit concentrations, collateral specific risks, nature and size of the portfolio and external factors that may ultimately impact credit quality, and (iii) other limitations associated with factors such as changes in underwriting and loan resolution strategies, among others.

Loans that do not share similar risk characteristics with the collectively evaluated pools are evaluated on an individual basis and are excluded from the collectively evaluated pools. Such loans are evaluated for credit losses based on either discounted cash flows or the fair value of collateral. When management determines that foreclosure is probable, expected credit losses are based on the fair value of the collateral, less selling costs. For loans for which foreclosure is not probable, but for which repayment is expected to be provided substantially through the operation or sale of the collateral, management has elected the practical expedient under ASC 326 to estimate expected credit losses based on the fair value of the collateral, with selling costs considered in the event sale of the collateral is expected.

Management estimates expected credit losses over the contractual period in which the Bank is exposed to credit risk via a contractual obligation to extend credit unless the obligation is unconditionally cancellable by the Bank. The ACL on off-balance sheet credit exposures is adjusted as a provision for credit loss expense. The estimate includes the consideration of the likelihood that funding will occur and an estimate of expected credit losses on commitments expected to be funded over its estimated life.

o.Mortgage Servicing Rights (MSRs) - MSRs arise from contractual agreements between us and investors in mortgage loans. Pursuant to ASC Topic 860-50, Servicing Assets and Liabilities, we record MSR assets when we sell loans on a servicing-retained basis, at the time of a securitization that qualifies and meets requirements for sale accounting or through the acquisition or assumption of the right to service a financial asset. Under these contracts, we perform loan servicing functions in exchange for fees and other remuneration.

Our MSRs are initially recorded and subsequently measured at fair value. The fair value of the MSRs is based upon the present value of the expected future net cash flows related to servicing these loans. We receive a base servicing fee, generally ranging from 0.25% to 0.50% annually on the remaining outstanding principal balances of the loans. The servicing fees are collected from investors. We determine the fair value of the MSRs by the use of a discounted cash flow model that incorporates prepayment speeds, delinquencies, discount rate, ancillary revenues and other assumptions (including costs to service) that management believes are consistent with the assumptions other market participants use in valuing MSRs. The nature of the loans underlying the MSRs affects the assumptions used in the cash flow models. We obtain third-party valuations quarterly to assess the reasonableness of the fair value calculated by the cash flow model. Changes in the fair value of MSRs are charged or credited to mortgage banking services, net.

As a part of our mortgage servicing responsibilities, we advance funds when the borrower fails to meet contractual payments (e.g., principal, interest, property taxes, and insurance). We also advance funds to maintain, report, and market foreclosed real estate properties on behalf of investors. These advances are collectively known as servicer related advances. Such advances are recovered from borrowers for reinstated and performing loans and from investors for foreclosed loans. We record an ACL on outstanding servicer advances when we determine that based on all available information, that a credit loss is expected, and that all contractual amounts due will not be recovered. There was no ACL on outstanding servicer advances as of December 31, 2025 and 2024, respectively.

p.Premises and Equipment - Land is carried at cost. Premises and equipment are stated at cost less accumulated depreciation and amortization. Depreciation and amortization is computed on the straight-line or declining balance method depending upon the type of asset with useful lives ranging from one to 39 years. Depreciation and amortization expense has been included in occupancy and equipment expense in the accompanying consolidated statements of income and comprehensive income.

q.Other Real Estate Owned and Foreclosed Assets - Assets acquired through, or in lieu of, foreclosure or repossession or otherwise are being held for disposal or to be sold are adjusted upon transfer to fair value less estimated costs to sell, establishing a new cost basis. Physical possession of residential real estate property collateralizing a consumer mortgage loan occurs when legal title is obtained upon completion of foreclosure or when the borrower conveys all interest in the property to satisfy the loan through completion of a deed in lieu of foreclosure or through a similar legal agreement. Subsequent to foreclosure/repossession, management periodically performs valuations, and an allowance for losses is established by a charge against earnings if the carrying value of a property exceeds the fair value less estimated costs to sell. Revenue and expenses from operation and changes in the valuation allowance are included in other noninterest expense on the consolidated statements of income and comprehensive income.

r.Bank-owned Life Insurance (BOLI) - We have purchased life insurance policies on certain key current and former executives as a method to offset the cost of employee benefit plans. We record BOLI at the estimated contractual amount that would be realized if the life insurance policy is surrendered prior to maturity or death of the insured, which is the cash surrender value adjusted for other charges and amounts due that are probable at settlement. Changes in the net cash surrender value of the policies, as well as insurance proceeds received, are recorded in noninterest income and are not subject to income taxes.

accordingly, is carried at cost. Members of the FHLB are required to own a certain amount of stock based on the level of borrowings and other factors. As a national banking association, the Bank is required to own stock of its regional FRB. FRB and FHLB stock are periodically evaluated for impairment based on ultimate recovery of par value. Both cash and stock dividends are reported as income.

t.Goodwill - The excess purchase price of acquired businesses over the fair value of identifiable assets acquired and liabilities assumed is recognized as goodwill. Goodwill is evaluated for impairment on an annual basis, or more frequently if events and circumstances exist that indicate that a goodwill impairment test should be performed. Our evaluation may consist of performing a qualitative assessment of impairment to determine whether any further quantitative testing for impairment is necessary. Factors considered in the qualitative assessment include general economic conditions, conditions of the industry and markets in which we operate, regulatory developments, cost factors, and our overall financial performance. We performed our most recent annual goodwill impairment test as of December 31, 2025 and concluded that no impairment existed. No impairment losses have been recognized during the years ended December 31, 2025, 2024 and 2023.

u.Core Deposits and Other Intangible Assets - Core deposits related to the depositor relationship of customers acquired from our business combinations are recognized in the value of core deposits. Our core deposits were valued based on the expected future benefit or earnings capacity attributable to the acquired deposits. These assets have been assigned 10 year lives from the date of acquisition. Other intangible assets include the First National 1870 trade name. The trade name provides a source of market recognition to attract potential clients/relationships and retain existing customers. Management has indicated that portions of the business will utilize the First National 1870 trade name into perpetuity; therefore, this trade name has been classified as an indefinite-lived asset. In December 2024, a decision was made to discontinue the use of the Guardian Mortgage tradename (see Note 6 - Core Deposits and Other Intangible Assets). We also have acquired certain customer relationships relating to wealth management. These customer relationships have been assigned amortization periods of 10 to 16 years.

v.Impairment of Long-lived Assets - Long-lived assets are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. When events or changes in circumstances indicate an asset may not be recoverable, we estimate the future cash flows expected to result from the use of the asset. If impairment is indicated, an adjustment is made to reduce the carrying amount based on the difference between the future cash flows expected and the carrying amount of the asset. During the year ended December 31, 2025, 2024 and 2023 there was no impairment of long-lived assets, respectively.

w.Transfers of Financial Assets - Transfers of financial assets are accounted for as sales when control over the assets has been relinquished. Control over transferred assets is deemed to be surrendered when the assets have been isolated from the Company, the transferee obtains the right (free of conditions that constrain it from taking advantage of that right) to pledge or exchange the transferred assets, and the Company does not maintain effective control over the transferred assets through an agreement to repurchase them before their maturity.

x.Loan Commitments and Related Financial Instruments - Financial instruments include off-balance sheet credit instruments, such as commitments to make loans, commercial letters of credit, and standby letters of credit, issued to meet customer financing needs. The face amount for these items represents the exposure to loss, before considering customer collateral or ability to repay. Such financial instruments are recorded when they are funded.

y.Derivative Instruments and Hedging Activities - Derivatives and Hedging (ASC Topic 815), provides the disclosure requirements for derivatives and hedging activities with the intent to provide users of financial statements with an enhanced understanding of: (a) how and why an entity uses derivative instruments, (b) how the entity accounts for derivative instruments and related hedged items, and (c) how derivative instruments and related hedged items affect an entity’s financial position, financial performance, and cash flows. Further, qualitative disclosures are required that explain our objectives and strategies for using derivatives, as well as quantitative

As required by ASC Topic 815, we record all derivatives on the consolidated balance sheet at fair value. The accounting for changes in the fair value of derivatives depends on the intended use of the derivative, whether we have elected to designate a derivative in a hedging relationship and apply hedge accounting and whether the hedging relationship has satisfied the criteria necessary to apply hedge accounting. Derivatives designated and qualifying as a hedge of the exposure to changes in the fair value of an asset, liability, or firm commitment attributable to a particular risk, such as interest rate risk, are considered fair value hedges. Derivatives designated and qualifying as a hedge of the exposure to variability in expected future cash flows, or other types of forecasted transactions, are considered cash flow hedges. Derivatives may also be designated as hedges of the foreign currency exposure of a net investment in a foreign operation. Hedge accounting generally provides for the matching of the timing of gain or loss recognition on the hedging instrument with the recognition of the changes in the fair value of the hedged asset or liability that are attributable to the hedged risk in a fair value hedge or the earnings effect of the hedged forecasted transactions in a cash flow hedge. We may enter into derivative contracts that are intended to economically hedge certain of our risks, even though hedge accounting does not apply or we do not elect to apply hedge accounting. We do not have any cash flow or foreign currency hedges.

Banking Activities - We are exposed to certain risks arising from both our business operations and economic conditions. We principally manage our exposures to a wide variety of business and operational risks through management of our core business activities. We manage economic risks, including interest rate, liquidity, and credit risk primarily by managing the amount, sources, and duration of our assets and liabilities and the use of derivative financial instruments. Specifically, we enter into derivative financial instruments to manage exposures that arise from business activities that result in the receipt or payment of future known and uncertain cash amounts, the value of which are determined by interest rates. Our derivative financial instruments are used to manage differences in the amount, timing, and duration of our known or expected cash receipts and our known or expected cash payments principally related to our loan portfolio. The initial and subsequent changes in value, as well as the offsetting gain or loss of banking derivative financial instruments that qualify as fair value hedges, and any fee income generated are recorded as a component of interest and fee income on loans in our consolidated statements of income and comprehensive income.

Mortgage Banking Activities - Our mortgage bankers enter into interest rate lock commitments (IRLC) with prospective borrowers. An IRLC represents an agreement to purchase loans from a third-party originator or an agreement to extend credit to a mortgage applicant, whereby the interest rate is set prior to funding. The loan commitment binds us (subject to the loan approval process) to fund the loan at the specified rate, regardless of whether interest rates have changed between the commitment date and the loan funding date. Outstanding interest rate lock commitments are subject to interest rate risk and related price risk during the period from the date of the commitment through the loan funding date or expiration date. The borrower is not obligated to obtain the loan; thus, we are subject to fallout risk related to IRLCs, which is realized if approved borrowers choose not to close on the loans within the terms of the IRLC. Our interest rate exposure on these derivative loan commitments is hedged with forward sales of mortgage-based securities as described below. Our IRLCs are carried at fair value in accordance with ASC Topic 815, and recorded at fair value in prepaid expenses and other assets on our consolidated balance sheets. ASC Topic 815 clarifies that the expected net future cash flows related to the associated servicing of a loan should be included in the measurement of all written loan commitments that are accounted for at fair value through earnings. The estimated fair values of IRLCs are based on the fair value of the related mortgage loans which is based upon observable market data. The initial and subsequent changes in value of IRLCs are recorded as a component of mortgage banking services, net, in our consolidated statements of income and comprehensive income.

We actively manage the risk profiles of our IRLCs and mortgage loans held-for-sale on a daily basis. To manage the price risk associated with IRLCs, we enter into forward sales of mortgage-backed securities (MBS) in an amount equal to the portion of the IRLC expected to close, assuming no change in mortgage interest rates. In addition, to manage the interest rate risk associated with mortgage loans held-for-sale, we enter into forward sales

of MBS to deliver mortgage loans to third-party investors. The estimated fair values of forward sales of MBS and forward sales commitments are based on exchange prices or the dealer market price. The initial and subsequent changes in value on forward sales of MBS and forward sales commitments are a component of mortgage banking services, net, in our consolidated statements of income and comprehensive income.

We also occasionally enter into contracts with other mortgage bankers to purchase residential mortgage loans at a future date, which we refer to as Loan Purchase Commitments (LPCs). LPCs are accounted for as derivatives under ASC Topic 815 and recorded at fair value in prepaid expenses and other assets on our consolidated balance sheets. Subsequent changes in LPCs are recorded as a charge or credit to mortgage banking services, net, in our consolidated statements of income and comprehensive income.

We utilize derivative instruments to help manage the fair value changes in our MSRs. These derivative instruments are intended to economically hedge certain risks related to our MSRs. As such, these derivative instruments are not designated as accounting hedges. These derivatives may include To Be Announced (TBA) MBS, interest rate swaps, and options contracts and are valued based on quoted prices for similar assets in an active market with inputs that are observable. These derivative products are accounted for and recorded at fair value in prepaid expenses and other assets or accrued expenses and other liabilities on our consolidated balance sheets. Subsequent changes are recorded to mortgage banking services, net, in our consolidated statements of income and comprehensive income.

z.Lease Commitments - We determine if an arrangement is a lease or contains a lease at inception. Leases result in the recognition of right of use (“ROU”) assets and lease liabilities on our consolidated balance sheets. ROU assets represent the right to use an underlying asset for the lease term and are included in prepaid expenses and other assets in our consolidated balance sheets. Lease liabilities represent the obligation to make lease payments arising from the lease, measured on a discounted basis, and are included in accrued expenses and other liabilities in our consolidated balance sheets. We determine lease classification as operating or finance at the lease commencement date.

At lease inception, the lease liability is measured at the present value of the lease payments over the lease term. The ROU asset equals the lease liability adjusted for any initial direct costs, prepaid or deferred rent, and lease incentives. We use the implicit rate when readily determinable, however, as most of the leases do not provide an implicit rate, we use our incremental borrowing rate based on the information available at the commencement date, which is based on our collateralized borrowing capabilities over a similar term as the related lease payments.

aa.Revenue Recognition - Noninterest income within the scope of ASC Topic 606, Revenue From Contracts With Customers is recognized by us when performance obligations, under the terms of the contract, are satisfied. This income is measured as the amount of consideration expected to be received in exchange for the providing of services. The majority of our applicable noninterest income continues to be recognized at the time when services are provided to our customers. Further information is presented in Note 24 - Revenue from Contracts with Customers.

ac.Earnings Per Share - Basic earnings per share is computed by dividing net income available to common stockholders by the weighted-average number of common shares outstanding during each period, excluding outstanding participating securities. Participating securities include unexercised stock options, non-vested restricted stock awards/share units with a service condition and non-vested performance share units, including market-based awards. Diluted earnings per share is computed by dividing net income available to common stockholders by the weighted average number of common shares outstanding determined for basic earnings per share plus the dilutive effect of stock compensation using the treasury stock method.

ad.Share-Based Compensation - Compensation cost is recognized for stock options, non-vested restricted stock awards/stock units, performance share units, and market-based awards issued to employees and directors, based on the fair value of these awards at the date of the grant. A Black-Scholes model is utilized to estimate the fair value of stock options. The fair value of non-vested stock awards/stock units and performance share units is generally the market price of our stock on the date of grant. A Monte Carlo simulation is utilized to estimate the fair value of market-based awards. The Monte Carlo simulation model is built on certain assumption including our stock volatility. We cannot predict the prices at which our common stock will trade in the future.

Compensation cost is recognized over the required service period, generally defined as the vesting period. For awards with graded vesting, compensation cost is recognized on a straight-line basis over the requisite service period for the entire award. Compensation cost related to awards with market conditions are recognized regardless of whether the market condition is satisfied and is not reversed provided that the requisite service period has been completed. We recognize forfeitures as they occur.

ae.Retirement Plan - We have an employee savings plan and trust (the Plan) which qualifies under Section 401(k) of the Internal Revenue Service Code. The Bank’s Trust and Wealth Management department is the Trustee. Substantially all of our full-time employees are eligible to participate in the Plan. Eligible employees may contribute up to 100% of their compensation subject to certain limits based on federal tax laws. Additional contributions are allowed per the Internal Revenue Service Code for participants who have attained age 50 before the end of the Plan year. We make a matching contribution for each eligible participant equal to 100% of the participant’s elective deferrals which does not exceed 6% of the participant’s compensation. Participants are immediately vested in the matching contribution. Matching contributions to the Plan charged to salary and employee benefits amounted to $6.5 million, $6.0 million and $5.3 million in 2025, 2024 and 2023, respectively.

af.Income Taxes - The Company files a consolidated federal income tax return. Deferred taxes are provided on a liability method whereby deferred tax assets are recognized for deductible temporary differences and operating loss and tax credit carryforwards; deferred tax liabilities are recognized for taxable temporary differences. Temporary differences are the differences between the reported amounts of assets and liabilities and their tax bases. Deferred tax assets are reduced by a valuation allowance when, in the opinion of management, it is more likely than not that some portion, or all, of the deferred tax assets will not be realized. The effect on deferred tax assets and liabilities for subsequent changes in tax rates are recognized in income in the period that includes the tax rate changes.

We recognize the financial effects of a tax position only when we believe it can “more likely than not” support the position upon a tax examination by the relevant taxing authority, with a tax examination being presumed to occur. We are no longer subject to examination by taxing authorities for years before 2022. The Company recognizes interest and/or penalties related to income tax matters in income tax expense.

ah.Loss Contingencies - Loss contingencies, including claims and legal actions arising in the ordinary course of business, are recorded as liabilities when the likelihood of loss is probable and an amount or range of loss can be reasonably estimated. Management does not believe there are such matters that will have a material effect on these consolidated financial statements.

In addition, we generally sell loans to investors without recourse; therefore, the investors have assumed the risk of loss or default by the borrower. However, we are usually required by these investors to make certain standard representations and warranties relating to credit information, loan documentation, and collateral. To the extent that we do not comply with such representations, or there are early payment defaults, we may be required to repurchase the loans or indemnify these investors for any losses from borrower defaults. In addition, if loans pay off within a specified time frame, we may be required to refund a portion of the sales proceeds to the investors. We have established reserves for potential losses related to these representations and warranties which is recorded within accrued expenses and other liabilities. In assessing the adequacy of the reserve, we evaluate various factors including actual write-offs during the period, historical loss experience, known delinquent and other problem loans, and economic trends and conditions in the industry. Further information is presented in Note 22 - Commitments and Contingencies.

aj.Recent Accounting Pronouncements Not Yet Adopted - ASU No. 2024-03, “Income Statement - Reporting Comprehensive Income - Expense Disaggregation Disclosures (Subtopic 220-40): Disaggregation of Income Statement Expenses.” ASU 2024-03 requires disaggregated disclosure of income statement expenses for public business entities. ASU 2024-03 requires new financial statement disclosures in tabular format, disaggregating information about prescribed categories underlying any relevant income statement expense caption. The prescribed categories include, among other things, employee compensation, depreciation, and intangible asset amortization. Additionally, entities must disclose the total amount of selling expenses and, in annual reporting periods, an entity’s definition of selling expenses. ASU 2024-03 will be effective for us, on a prospective basis, for annual periods beginning in 2027, and interim periods within fiscal years beginning in 2028, though early adoption and retrospective application is permitted. ASU 2024-03 is not expected to have a significant impact on our financial statements.

ASU No. 2025-05, “Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses for Accounts Receivable and Contract Assets.” ASU 2025-05 provides all entities, when developing reasonable and supportable forecasts as part of estimating expected credit losses on current accounts receivable and/or current contract assets arising from transactions under ASC Topic 606 - Revenue from Contracts with Customers, a practical expedient whereby entities can assume that current conditions as of the balance sheet date do not change for the remaining life of the asset. ASU 2025-05 will be effective in 2026 and is not expected to have a significant impact on our financial statements.

ASU No. 2025-06, “Intangibles - Goodwill and Other - Internal-Use Software (Subtopic 350-40): Targeted Improvements to the Accounting for Internal-Use Software.” ASU 2025-06 simplifies and modernizes the accounting for internal-use software by removing prescriptive project stage guidance and introducing a new capitalization threshold. Under the revised standard, software development costs are capitalized when management authorizes and commits funding for the project and it is probable the software will be completed and used as intended. ASU 2025-05 will be effective in 2028 and is not expected to have a significant impact on our financial statements.

ASU 2025‑08, “Financial Instruments - Credit Losses (Topic 326): Purchased Loans.” ASU 2025-08 expands the scope of the “gross‑up” method, formerly applicable only to purchased credit‑deteriorated (“PCD”) assets, to include acquired non‑PCD loans that meet certain criteria, now referred to as “purchased seasoned loans” (PSLs). Under this model, an allowance for expected credit losses is recognized at acquisition, offsetting the loan’s amortized cost basis, thereby eliminating the day-one credit‑loss expense previously required for non‑PCD assets. PSLs are defined as non‑PCD loans acquired either (i) through a business combination, or (ii) purchased more than 90 days after origination when the acquirer was not involved in origination. ASU 2025-08 will be effective for us, on a prospective basis for loans acquired on or after the adoption date, for interim and annual reporting periods beginning in 2027, though early adoption is permitted. ASU 2025-08 is not expected to have a significant impact on our financial statements and we plan to early adopt on January 1, 2026.

ASU 2025‑09, “Derivatives and Hedging (Topic 815): Hedge Accounting Improvements.” ASU 2025-09 amends ASC 815 to align hedge accounting more closely with an entity’s economic risk management practices. Key amendments include (i) to allow designating a variable price component of a nonfinancial forecasted purchase or sale as the hedged risk, (ii) to allow grouping individual forecasted transactions with similar (not identical) risk exposures, (iii) a new model for hedging forecasted interest on variable-rate debt, enabling changes in index or tenor without dedesignation, subject to simplifying assumptions, and (iv) additional clarifications related to hedge accounting of nonfinancial components, net written options, and dual-hedge strategies. ASU 2025-09 will be effective for us beginning in 2027, though early adoption is permitted. ASU 2025-09 is not expected to have a significant impact on our financial statements.

ASU 2025‑11, “Interim Reporting (Topic 270): Narrow‑Scope Improvements.” ASU 2025-11 clarifies and enhances guidance under ASC 270 on interim financial reporting by (i) clarifying the scope of ASC 270 such that it now explicitly applies only to entities that issue complete interim financial statements and related notes under U.S. GAAP, (ii) establishing clear guidance on the form of interim statements and notes, incorporating a comprehensive list of required interim disclosures drawn from across the ASC, and (iii) introducing a requirement