2025 SIMON® Annual Report

Evaluation of Investment Properties for Impairment

At December 31, 2025, the Company’s consolidated net investment properties totaled $30.2 billion. As discussed in Note 3 to the consolidated financial statements, the Company reviews investment properties for impairment on a property-by-property basis to identify and evaluate events or changes in circumstances that indicate the carrying value of an investment property may not be recoverable. The Company estimates undiscounted cash flows of an investment property using observable and unobservable inputs such as forecasted operating income before depreciation and amortization over an estimated hold period, estimated capitalization rates, leasing prospects and local market information. Auditing management’s evaluation of certain investment properties for impairment was complex due to the estimation uncertainty in determining the undiscounted cash flows of an investment property. In particular, the impairment evaluation for certain investment properties was sensitive to significant assumptions such as capitalization rates, which can be affected by expectations about future market or economic conditions, demand, and competition. We obtained an understanding, evaluated the design, and tested the operating effectiveness of controls over the Company’s process for evaluating investment properties for impairment, including controls over management’s review of the significant assumptions described above. To test the Company’s evaluation of investment properties for impairment, we performed audit procedures that included, among others, assessing the methodologies applied, evaluating the significant assumptions discussed above and testing the completeness and accuracy of the underlying data used by management in its analysis. We compared the significant assumptions used by management to current industry and economic trends, relevant market information, and other applicable sources. We also involved a valuation specialist to assist in evaluating certain assumptions. In addition, we compared the forecasted operating income before depreciation and amortization to historical actual results and evaluated significant variances, including consideration of the current economic environment. As part of our evaluation, we assessed the historical accuracy of management’s estimates and performed sensitivity analyses of significant assumptions to evaluate the changes in the undiscounted cash flows of the related investment property that would result from changes in the assumptions.

Description of the Matter

How We Addressed the Matter in Our Audit

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