2025 SIMON® Annual Report

managed locally by joint ventures in which we share control of the properties with our partner. The other owners have participating rights that we consider substantive for purposes of determining control over the joint venture properties’ assets. The remaining joint venture properties, Klépierre and our other platform investments are managed by joint ventures in which we share control. These investments, and other future similar investments, could involve risks that would not be present were a third party not involved, including the possibility that partners or other owners might become bankrupt, suffer a deterioration in their creditworthiness, or fail to fund their share of required capital contributions. If one of our partners or other owners in these investments were to become bankrupt, we may be precluded from taking certain actions regarding our investments without prior court approval, which at a minimum may delay the actions we would or might want to take. Additionally, partners or other owners could have economic or other business interests or goals that are inconsistent with our own business interests or goals, and could be in a position to take actions contrary to our policies or objectives. These investments, and other future similar investments, also have the potential risk of creating impasses on decisions, such as a sale, financing or development, because neither we nor our partner or other owner has full control over the partnership or joint venture. Disputes between us and partners or other owners might result in litigation or arbitration that could increase our expenses and prevent Simon’s officers and/or directors from focusing their time and efforts on our business. Consequently, actions by, or disputes with, partners or other owners might result in subjecting properties owned by the partnership or joint venture to additional risk. In addition, we risk the possibility of being liable for the actions of our partners or other owners. The Operating Partnership guarantees debt or otherwise provides support for a number of joint venture properties. Joint venture debt is the liability of the joint venture and is typically secured by a mortgage on the joint venture property, which is non-recourse to us. Nevertheless, the joint venture’s failure to satisfy its debt obligations could result in the loss of our investment therein. As of December 31, 2025, the Operating Partnership guaranteed joint venture-related mortgage indebtedness of $118.8 million. A default by a joint venture under its debt obligations would expose us to liability under a guaranty. We may elect to fund cash needs of a joint venture through equity contributions (generally on a basis proportionate to our ownership interests), advances or partner loans, although such fundings are not typically required contractually or otherwise. General Risk Factors Our success depends, in part, on our ability to attract, motivate, retain and develop talented employees, and our failure to do so, including the loss of any one of our key personnel, could adversely impact our business. The success of our business depends, in part, on the leadership and performance of our executive management team and key employees, including our CEO, who operate without the existence of employment agreements. Many of our senior executives have extensive experience and strong reputations in the real estate industry, which aid us in identifying opportunities and negotiating with tenants. Our ability to attract, motivate and retain talented employees, and develop talent internally, could significantly impact our future performance. Competition for these individuals is intense, and we cannot assure you that we will retain our executive management team and other key employees or that we will be able to attract, motivate, retain and/or develop other highly qualified individuals for these positions in the future. Additionally, the compensation and benefits packages we may need to offer to remain competitive for these individuals could increase the cost of replacement and retention. Losing any one or more of these persons could adversely affect our business, disrupt short-term operational performance, diminish our opportunities and weaken our relationships with lenders, business partners, existing and prospective tenants and others, which could have a material adverse effect on us. Artificial generative intelligence technologies present risks related to the control of our proprietary business information, keeping such information confidential, and emerging regulatory risk, any or all of which may adversely affect our business and results of operations. There are risks associated with artificial intelligence (“AI"), any or all of which could adversely affect our business. Issues in the development and use of AI, combined with an uncertain regulatory environment, may result in reputational harm, liability, or other adverse consequences to our business operations. We have adopted certain generative AI tools into our systems for specific use cases reviewed by legal and information security. Where a generative AI or machine learning model ingests our proprietary information and makes connections using such data, those technologies may reveal other sensitive, proprietary, or confidential information generated by the model. Additionally, our vendors may incorporate generative AI tools into their services and deliverables without disclosing this use to us, and the providers of these generative AI tools may not meet existing or rapidly evolving regulatory or industry standards with respect to privacy and data protection and may inhibit our or our vendors’ ability to maintain an adequate level of service and experience or

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