16. LEASES

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Lessee

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As of December 31, 2023, the Company recorded $29.7 million as a right of use asset and $31.0 million as a lease liability. As of December 31, 2022, the Company recorded $22.1 million as a right of use asset and $23.6 million as a lease liability. The Company assesses its right of use asset and other lease-related assets for impairment. There were no impairments recorded related to these assets during the years ended December 31, 2023 and 2022.

The Company reviews all supplier, vendor, and service provider contracts to determine whether any service arrangements contain a lease component. The Company identified two service agreements that contain an embedded lease. The agreements do not contain fixed or minimum payments, and the variable lease expense was immaterial during the years ended December 31, 2023 and 2022.

Information about other lease-related balances is as follows (in thousands):

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The rate implicit in the lease is not readily determinable in most of the Company’s leases, and therefore the Company uses its incremental borrowing rate as the discount rate when measuring operating lease liabilities. The incremental borrowing rate represents an estimate of the interest rate the Company would incur at lease commencement to borrow an amount equal to the lease payments on a collateralized basis over the term of the lease.

Future minimum lease payments under noncancelable operating leases as of December 31, 2023, are as follows (in thousands):

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In February 2022, the Company amended its existing facility lease for the ExOne European headquarters and operating facility in Gersthofen, Germany, extending the lease term set to expire in December 2022 through December 2027, with the option to extend for two additional five-year extension periods. The rent is fixed through December 31, 2024 for an aggregate annual rent totaling $1.7 million, plus applicable taxes and is subject to adjustment on an annual basis thereafter (in accordance with the consumer price index for Germany) through December 31, 2027.

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In June 2023, the Company amended its existing facility lease for the headquarters and operating facility in Burlington, MA, extending the lease term set to expire in April 2024 through April 2029. The rent is not fixed and increases each year of the lease extension.

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As of December 31, 2023, the Company does not have material operating leases that have not commenced.

Lessor

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The Company leases machinery and equipment to customers (principally 3D printing machines and related equipment) under immaterial lease arrangements classified as either operating leases or sales-type leases.