14. REPORTABLE SEGMENTS

GAAP guidance requires that segment disclosures present the measure(s) used by the Chief Operating Decision Maker (“CODM”) to decide how to allocate resources and for purposes of assessing such segments’ performance. UDR’s CODM is comprised of our Chairman, President and Chief Executive Officer, Chief Financial Officer, and Chief Operating Officer, who use several generally accepted industry financial measures to assess the performance of the business for our reportable operating segments.

UDR owns and operates multifamily apartment communities that generate rental and other property related income through the leasing of apartment homes to a diverse base of tenants. The primary financial measures for UDR’s apartment communities are rental income and net operating income (“NOI”). NOI is a useful metric for investors as it is

a more meaningful representation of a community’s continuing operating performance than net income as it is prior to corporate-level expense allocations, general and administrative costs, capital structure and depreciation and amortization. Rental income represents gross market rent less adjustments for concessions, vacancy loss and bad debt. NOI is defined as rental income less direct property rental expenses. Rental expenses include real estate taxes, insurance, personnel, utilities, repairs and maintenance, administrative and marketing, which align with the segment-level information that is regularly provided to our CODM. Excluded from NOI is property management expense, which is calculated as 3.25% of property revenue, and land rent. Property management expense covers costs directly related to consolidated property operations, inclusive of corporate management, regional supervision, accounting and other costs. UDR’s CODM utilizes NOI as the key measure of segment profit or loss to assess the performance of each segment and to allocate resources (including employees and financial or capital resources) primarily during the quarterly or annual business review and annual budget and forecasting process.

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UDR’s two reportable segments are Same-Store Communities and Non-Mature Communities/Other:

Management evaluates the performance of each of our apartment communities on a Same-Store Community and Non-Mature Community/Other basis, as well as individually and geographically. This is consistent with the aggregation criteria under GAAP as each of our apartment communities generally has similar economic characteristics, facilities, services, and tenants. Therefore, the Company’s reportable segments have been aggregated by geography in a manner identical to that which is provided to the CODM.

All revenues are from external customers and no single tenant or related group of tenants contributed 10% or more of UDR’s total revenues during the three and six months ended June 30, 2026 and 2025.

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The following is a description of the principal streams from which the Company generates its revenue:

Lease Revenue

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Lease revenue related to leases is recognized on an accrual basis when due from residents or tenants in accordance with ASC 842, Leases. Rental payments are generally due on a monthly basis and recognized on a straight-line basis over the noncancellable lease term because collection of the lease payments was probable at lease commencement, inclusive of any periods covered by an option to extend the lease if the lessee is reasonably certain to exercise that option. In addition, in circumstances where a lease incentive is provided to tenants, the incentive is recognized as a reduction of lease revenue on a straight-line basis over the lease term.

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Lease revenue also includes all pass-through revenue from retail and residential leases and common area maintenance reimbursements from retail leases. These services represent non-lease components in a contract as the Company transfers a service to the lessee other than the right to use the underlying asset. The Company has elected the practical expedient under the leasing standard to not separate lease and non-lease components from its resident and retail lease contracts as the timing and pattern of revenue recognition for the non-lease component and related lease component are the same and the combined single lease component would be classified as an operating lease.

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Other Revenue

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Other revenue is generated by services provided by the Company to its retail and residential tenants and other unrelated third parties. Revenue is measured based on consideration specified in contracts with customers. The Company recognizes revenue when it satisfies a performance obligation by providing the services specified in a contract to the customer. These fees are generally recognized as earned.

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Joint venture management and other fees

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The Joint venture management and other fees revenue consists of management fees charged to our equity method joint ventures per the terms of contractual agreements and other fees. Joint venture fee revenue is recognized monthly as the management services are provided and the fees are earned or upon a transaction whereby the Company earns a fee. Joint venture management and other fees are not allocable to a specific reportable segment or segments.

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The following table details rental income and NOI for UDR’s reportable segments for the three and six months ended June 30, 2026 and 2025, and reconciles NOI to Net income/(loss) attributable to UDR, Inc. on the Consolidated Statements of Operations (dollars in thousands):

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The following table details the assets of UDR’s reportable segments as of June 30, 2026 and December 31, 2025 (dollars in thousands):

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Markets included in the above geographic segments are as follows: