BAR HARBOR BANKSHARES Fair Value Disclosure

NOTE 15.           FAIR VALUE MEASUREMENTS

Recurring Fair Value Measurements

The following table summarizes financial assets and financial liabilities measured at fair value on a recurring basis as of December 31, 2025 and December 31, 2024, segregated by the level of the valuation inputs within the fair value hierarchy utilized to measure fair value:

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Available-for-sale Debt Securities: All securities and major categories of securities classified as available-for-sale are reported at fair value utilizing Level 2 inputs, unless otherwise disclosed. For these securities, we obtain fair value measurements from independent pricing providers. The fair value measurements used by the pricing providers consider observable data that may include dealer quotes, market maker quotes and live trading systems. If quoted prices are not readily available, fair values are determined using matrix pricing models, or other model-based valuation techniques requiring observable inputs other than quoted prices such as market pricing spreads, credit information, callable features, cash flows, the US Treasury yield curve, trade execution data, market consensus prepayment speeds, default rates, and the securities’ terms and conditions, among other things. For securities where fair value is calculating using a discounted cash flow model or other market indicators are reported at fair value utilizing Level 3 inputs.

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Corporate Bonds

At December 31, 2025, the Company held one corporate bond investment classified as available-for-sale for which the fair value was determined using unobservable inputs, resulting in a Level 3 classification under the fair value hierarchy. During the quarter ended June 30, 2025, management identified a change in the estimated future cash flows associated with this security. As a result, the Company recognized an impairment loss of $4.4 million and charged off an allowance for credit losses of $1.2 million. In the third quarter 2025, the Company wrote down an additional $200 thousand resulting in a fair value of $2.2 million as of December 31, 2025. These losses were recorded in net gain (loss) on available-for-sale debt securities in the consolidated statements of income. At December 31, 2024, the Company held two corporate bond investments classified as available-for-sale for which an allowance for credit losses was recorded for $568 thousand. There were no impairment losses recorded in 2024.

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The fair value of the corporate bond was determined using a present value discounted cash flow approach. This method incorporated management’s current expectations about the timing and amount of future cash flows, which were adjusted for expected prepayments and credit-related losses. The revised cash flows were then discounted using the bond’s original effective interest rate. Unobservable inputs used in the fair value measurement included the discount rate, expected cash flows, and loss severity. The discount rate reflects the original effective yield at the time of purchase, adjusted for changes in market conditions and issuer-specific risk. Expected cash flows were developed based on management’s assessment of the issuer’s current financial condition, forward-looking performance expectations, and relevant macroeconomic indicators. Loss severity was estimated based on the Company’s expectations regarding the potential shortfall in principal and interest in the event of default, taking into account the nature of the issuer’s collateral, if any.

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Loans Held for Sale: The valuation of our loans held for sale are determined on an individual basis using quoted secondary market prices and are classified as Level 2 measurements.

Derivative Assets and Liabilities

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Cash Flow Hedges: The valuation of our cash flow hedges are obtained from a third party. The pricing analysis is based on observable inputs for the contractual terms of the derivatives, including the period to maturity and interest rate curves. The inputs used to value the cash flow hedges are all classified as Level 2 measurements.

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Interest Rate Lock Commitments: We enter into IRLCs for residential mortgage loans, which commit us to lend funds to  potential borrowers at a specific interest rate and within a specified period of time. The estimated fair value of commitments to originate residential mortgage loans for sale is based on quoted prices for similar loans in active markets. However, this value is adjusted by a factor which considers the likelihood of a loan in a lock position will ultimately close. The closing ratio is derived from internal data and is adjusted using significant management judgment. As such, IRLCs are classified as Level 3 measurements.

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Forward Sale Commitments: We utilize forward sale commitments as economic hedges against potential changes in the values of the IRLCs and loans originated for sale. The fair values of mandatory delivery loan sale commitments are determined similarly to the IRLCs using quoted prices in the marketplace that are observable. However, closing ratios included in the calculation are internally generated and are based on management’s judgment and prior experience, which are not considered observable factors. As such, mandatory delivery forward commitments are classified as Level 3 measurements.

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Customer Loan Derivatives: The valuation of our customer loan derivatives is obtained from a third-party pricing service and is determined using a discounted cash flow analysis on the expected cash flows of each derivative. The pricing analysis is based on observable inputs for the contractual terms of the derivatives, including the period to maturity and interest rate curves. We incorporate credit valuation adjustments to appropriately reflect our nonperformance risk and the respective counterparty’s nonperformance risk in the fair value measurements. In adjusting the fair value of the derivative contracts for the effect of nonperformance risk, we have considered the impact of MNA’s and any applicable credit enhancements, such as collateral postings.

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Although we have determined that the majority of the inputs used to value customer loan derivatives fall within Level 2 of the fair value hierarchy, the credit valuation adjustments associated with derivatives utilize Level 3 inputs, such as

estimates of current credit spreads to evaluate the likelihood of default by itself and counterparties. However, as of December 31, 2025, we assessed the significance of the impact of the credit valuation adjustments on the overall valuation of our derivative positions and determined that the credit valuation adjustments are not significant to the overall valuation of our derivatives. As a result, we determined that the derivative valuations in their entirety are classified in Level 2 of the fair value hierarchy.

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The table below presents the changes in Level 3 assets and liabilities that were measured at fair value on a recurring basis in 2025 and 2024.

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Quantitative information about the significant unobservable inputs within Level 3 recurring assets and liabilities is, as follows:

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At the end of the second quarter 2025 the Company transferred a corporate bond with a fair value of $2.4 million into level 3 due to a change in the fair value technique to using a present value discounted cash flow approach. During the quarter ended September 30, 2025 the Company wrote down an additional $200 thousand resulting in a fair value of $2.2 million. This write down incorporated management’s current expectations about the timing and amount of future cash flows, which were adjusted for expected prepayments and credit-related losses. The revised cash flows were then discounted using the bond’s original effective interest rate. Unobservable inputs used in the fair value measurement included the discount rate, expected cash flows, and loss severity. There were no level 3 assets and liabilities that were measured at fair value on a recurring basis in 2024.

Non-Recurring Fair Value Measurements

We are required, on a non-recurring basis, to adjust the carrying value or provide valuation allowances for certain assets using fair value measurements in accordance with GAAP. The following is a summary of applicable non-recurring fair value measurements.

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Quantitative information about the significant unobservable inputs within Level 3 non-recurring assets as of December 31, 2025 and December 31, 2024 is as follows:

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There were no Level 1 or Level 2 non-recurring fair value measurements for the periods ended December 31, 2025 and December 31, 2024.

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Individually evaluated loans.

Loans are generally not recorded at fair value on a recurring basis. Periodically, we record non-recurring adjustments to the carrying value of loans based on fair value measurements for partial charge-offs of the uncollectible portions of those loans. Non-recurring adjustments can also include certain impairment amounts for collateral-dependent loans calculated when establishing the ACL. Such amounts are generally based on the fair value of the underlying collateral supporting the loan and, as a result, the carrying value of the loan less the calculated valuation amount does not necessarily represent the fair value of the loan. Real estate collateral is typically valued using appraisals or other indications of value based on recent comparable sales of similar properties or assumptions generally observable in the marketplace. However, the choice of observable data is subject to significant judgment, and there are often adjustments based on judgment in order to make observable data comparable and to consider the impact of time, the condition of properties, interest rates, and other market factors on current values. Additionally, commercial real estate appraisals frequently involve discounting of projected cash flows, which relies inherently on unobservable data. Therefore, non-recurring fair value measurement adjustments relating to real estate collateral have generally been classified as Level 3. Estimates of fair value for other collateral supporting commercial loans are generally based on assumptions not observable in the marketplace and therefore such valuations have been classified as Level 3.

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Capitalized loan servicing rights.

A loan servicing right asset represents the amount by which the present value of the estimated future net cash flows to be received from servicing loans exceed adequate compensation for performing the servicing. The fair value of loan servicing rights is estimated using a present value cash flow model. The most important assumptions used in the valuation model are the anticipated rate of the loan prepayments and discount rates. Adjustments are only recorded when the discounted cash flows derived from the valuation model are less than the carrying value of the asset. Although some assumptions in determining fair value are based on standards used by market participants, some are based on unobservable inputs and therefore are classified in Level 3 of the valuation hierarchy.

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Other real estate owned or OREO.

OREO results from the foreclosure process on residential or commercial loans issued by the Company. Upon assuming the real estate, we record the property at the fair value of the asset less the estimated sales costs. Thereafter, OREO properties are recorded at the lower of cost or fair value less the estimated sales costs. OREO fair values are primarily determined based on Level 3 data including sales comparables and appraisals. There was no other real estate owned as of December 31, 2025 and 2024.

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Premises held for sale.

Assets held for sale, identified as part of our strategic review and branch optimization exercise, were transferred from premises and equipment at the lower of amortized cost or fair value less the estimated sales costs. Assets held for sale fair values are primarily determined based on Level 3 data including sales comparables and appraisals.

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Summary of Estimated Fair Values of Financial Instruments

The estimated fair values, and related carrying amounts, of our financial instruments are included in the table below. Certain financial instruments and all non-financial instruments are excluded from disclosure requirements. Accordingly, the aggregate fair value amounts presented herein may not necessarily represent the underlying fair value of the Company.

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