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The contingent consideration liability is re-measured to fair value each reporting period. Significant increases or decreases in projected revenues, based on our most recent internal operational budgets and long-range strategic plans, discount rates or the time until payment is made would have resulted in a significantly lower or higher fair value measurement. Our determination of the fair value of the contingent consideration liability could change in future periods based upon our ongoing evaluation of these significant unobservable inputs. We intend to record any such change in fair value to operating expenses in our consolidated statements of income.

Contingent Payments to Related Parties

During the nine-month period ended September 30, 2022, we made contingent payments of $1.6 million to a former director of Merit and former shareholder of Cianna Medical, Inc. (“Cianna Medical”), which we acquired in 2018. We made no such payments during the nine-month period ended September 30, 2021. The terms of the acquisition, including contingent consideration payments, were determined prior to the appointment of the former Cianna Medical shareholder as a Merit director. As a former shareholder of Cianna Medical, the former Merit director may be eligible for additional payments for the achievement of sales milestones specified in our merger agreement with Cianna Medical.

Fair Value of Other Assets (Liabilities)

The carrying amount of cash and cash equivalents, receivables, and trade payables approximate fair value because of the immediate, short-term maturity of these financial instruments. Our long-term debt re-prices frequently due to variable rates and entails no significant changes in credit risk and, as a result, we believe the fair value of long-term debt approximates carrying value. The fair value of assets and liabilities whose carrying value approximates fair value is determined using Level 2 inputs, with the exception of cash and cash equivalents, which use Level 1 inputs.

We analyze our investments in privately-held companies to determine if they should be accounted for using the equity method based on our ability to exercise significant influence over operating and financial policies of the company in which we have invested. Investments not accounted for under the equity method of accounting are accounted for at cost minus impairment, if applicable, plus or minus changes in valuation resulting from observable transactions for identical or similar investments.

Impairment Charges

We recognize or disclose the fair value of certain assets, such as non-financial assets, primarily property and equipment, right-of-use operating lease assets, equity investments, intangible assets and goodwill in connection with impairment evaluations. Such assets are reported at carrying value and are not subject to recurring fair value measurements. We review our long-lived assets for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. Fair value is generally determined based on discounted future cash flow. All our nonrecurring valuations use significant unobservable inputs and therefore fall under Level 3 of the fair value hierarchy.

Intangible Assets. On April 30, 2022, we completed the divestiture of Fibrovein Holdings Limited, which was the owner of all of the capital stock of STD Pharmaceutical Products Limited, in exchange for the termination of our obligations arising from the acquisition transaction in August 2019 and the purchaser’s agreement to make potential future payments upon a qualifying disposition of the STD Pharmaceutical business. During the nine-month period ended September 30, 2022, we had impairment losses related to acquired intangible assets of $1.7 million (see note 6) in connection with this disposition. In addition to the intangible asset impairment, during the three-month period ended June 30, 2022, we recorded a loss within other income (expense) – net of $1.3 million primarily associated with the transfer of net assets of the divested entity including approximately $1.0 million of cash and $1.2 million of inventory, partially offset by a gain of $1.0 million from reclassification of foreign currency translation gains.

During the nine-month period ended September 30, 2021 we had losses related to acquired intangible assets of $1.6 million (see note 6).

Right of Use Operating Lease Assets. During the nine-month period ended September 30, 2021, we identified changes in events and circumstances relating to certain right-of-use (“ROU”) operating lease assets. We compared the anticipated

undiscounted cash flows generated by a sublease to the carrying value of the ROU operating lease and related long-lived assets and determined that the carrying values were not recoverable. Consequently, we recorded impairment losses in the nine-month period ended September 30, 2021 of approximately $1.4 million, which is equal to the excess of the carrying value of the assets over their estimated fair value. The impairment losses were driven primarily by site consolidation decisions and changes in our projected cash flows for the ROU operating lease assets and related long-lived assets, due to changes in the real estate market as a result of the COVID-19 pandemic. These changes included an increase in the anticipated time to identify lessees, an increase in anticipated lease concessions, and a decrease in the expected lease rates for the properties. The ROU operating lease asset impairment losses in 2021 pertained to our cardiovascular segment. We had no such losses during the three and nine-month periods ended September 30, 2022.

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Property and Equipment. During the three and nine-month periods ended September 30, 2021, we had losses of $1.3 million related to the measurement of property and equipment at fair value based on the discontinuance of the Advocate™ Peripheral Angioplasty Balloon product line, sold under our license agreements with ArraVasc, which pertained to our cardiovascular segment.

Notes Receivable

Our outstanding long-term notes receivable, including accrued interest and an allowance for current expected credit losses, were $2.4 million and $2.3 million as of September 30, 2022, and December 31, 2021, respectively. As of September 30, 2022 and December 31, 2021, we had an allowance for current expected credit losses of $0.2 million and $0.2 million, respectively, associated with these notes receivable. We assess the allowance for current expected credit losses on an individual security basis, due to the limited number of securities, using a probability of default model, which is based on relevant information about past events, including historical experience, current conditions and reasonable and supportable forecasts that affect the expected collectability of securities, and other security specific factors. The table below presents a rollforward of the allowance for current expected credit losses on our notes receivable for the three and nine-month periods ended September 30, 2022 and 2021 (in thousands):

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