Simon Property Group 10-K 2024-12-31

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UNITED STATES****SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-K

(Mark One)

☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the fiscal year ended December 31, 2024

OR

☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

Commission File No:.001-14469**(Simon Property Group, Inc.)Commission File No:001-36110(Simon Property Group, L.P.)** ​

SIMON PROPERTY GROUP, INC.

SIMON PROPERTY GROUP, L.P.

(Exact name of registrant as specified in its charter)

225 West Washington StreetIndianapolis, Indiana 46204 (Address of principal executive offices) (ZIP Code)

(317) 636-1600 (Registrant’s telephone number, including area code)

Securities registered pursuant to Section 12(b) of the Act:

Securities registered pursuant to Section 12(g) of the Act: None

Indicate by check mark if the registrant is a well-known seasoned issuer as defined in Rule 405 of the Securities Act.

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Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.

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Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the Registrant was required to submit such files).

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act:

If an emerging growth company, indicate by check mark if the Registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.

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Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report.

If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the registrant included in the filing reflect the corrections of an error to previously issued financial statements.

Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-based compensation received by any of the registrant’s executive officers during the relevant recovery period pursuant to §240.10D-1(b).

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12-b of the Act).

The aggregate market value of shares of common stock held by non-affiliates of Simon Property Group, Inc. was approximately $49,060 million based on the closing sale price on the New York Stock Exchange for such stock on June 30, 2024.

As of January 31, 2025, Simon Property Group, Inc. had 326,270,138 and 8,000 shares of common stock and Class B common stock outstanding, respectively.

Simon Property Group, L.P. had no publicly-traded voting equity as of June 30, 2024. Simon Property Group, L.P. has no common stock outstanding.

Documents Incorporated By Reference

Portions of Simon Property Group, Inc.’s Proxy Statement in connection with its 2025 Annual Meeting of Stockholders are incorporated by reference in Part III.

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EXPLANATORY NOTE

This report combines the annual reports on Form 10-K for the annual period ended December 31, 2024 of Simon Property Group, Inc., a Delaware corporation, and Simon Property Group, L.P., a Delaware limited partnership. Unless stated otherwise or the context otherwise requires, references to “Simon” mean Simon Property Group, Inc. and references to the “Operating Partnership” mean Simon Property Group, L.P. References to “we,” “us” and “our” mean collectively Simon, the Operating Partnership and those entities/subsidiaries owned or controlled by Simon and/or the Operating Partnership.

Simon is a real estate investment trust, or REIT, under the Internal Revenue Code of 1986, as amended, or the Internal Revenue Code. We are structured as an umbrella partnership REIT under which substantially all of our business is conducted through the Operating Partnership, Simon’s majority-owned partnership subsidiary, for which Simon is the general partner. As of December 31, 2024, Simon owned an approximate 86.5% ownership interest in the Operating Partnership, with the remaining 13.5% ownership interest owned by limited partners. As the sole general partner of the Operating Partnership, Simon has exclusive control of the Operating Partnership’s day-to-day management.

We operate Simon and the Operating Partnership as one business. The management of Simon consists of the same members as the management of the Operating Partnership. As general partner with control of the Operating Partnership, Simon consolidates the Operating Partnership for financial reporting purposes, and Simon has no material assets or liabilities other than its investment in the Operating Partnership. Therefore, the assets and liabilities of Simon and the Operating Partnership are the same on their respective financial statements.

We believe that combining the annual reports on Form 10-K of Simon and the Operating Partnership into this single report provides the following benefits:

We believe it is important for investors to understand the few differences between Simon and the Operating Partnership in the context of how we operate as a consolidated company. The primary difference is that Simon itself does not conduct business, other than acting as the general partner of the Operating Partnership and issuing equity or equity-related instruments from time to time. In addition, Simon itself does not incur any indebtedness, as all debt is incurred by the Operating Partnership or entities/subsidiaries owned or controlled by the Operating Partnership.

The Operating Partnership holds, directly or indirectly, substantially all of our assets, including our ownership interests in our joint ventures. The Operating Partnership conducts substantially all of our business and is structured as a partnership with no publicly traded equity. Except for the net proceeds from equity issuances by Simon, which are contributed to the capital of the Operating Partnership in exchange for, in the case of common stock issuances by Simon, common units of partnership interest in the Operating Partnership, or units, or, in the case of preferred stock issuances by Simon, preferred units of partnership interest in the Operating Partnership, or preferred units, the Operating Partnership, directly or indirectly, generates the capital required by our business through its operations, the incurrence of indebtedness, proceeds received from the disposition of certain properties and joint ventures and the issuance of units or preferred units to third parties.

The presentation of stockholders’ equity, partners’ equity and noncontrolling interests are the main areas of difference between the consolidated financial statements of Simon and those of the Operating Partnership. The differences between stockholders’ equity and partners’ equity result from differences in the equity issued at the Simon and Operating Partnership levels. The units held by limited partners in the Operating Partnership are accounted for as partners’ equity in the Operating Partnership’s financial statements and as noncontrolling interests in Simon’s financial statements. The noncontrolling interests in the Operating Partnership’s financial statements include the interests of unaffiliated partners in various consolidated partnerships. The noncontrolling interests in Simon’s financial statements include the same noncontrolling interests at the Operating Partnership level and, as previously stated, the units held by limited partners of the Operating Partnership. Although classified differently, total equity of Simon and the Operating Partnership is the same.

To help investors understand the differences between Simon and the Operating Partnership, this report provides:

This report also includes separate Part II, Item 9A. Controls and Procedures sections and separate Exhibits 31 and 32 certifications for each of Simon and the Operating Partnership in order to establish that the requisite certifications have been made and that Simon and the Operating Partnership are each compliant with Rule 13a-14(a) or Rule 15d-14(a) of the Securities Exchange Act of 1934 and 18 U.S.C. §1350. The separate discussions of Simon and the Operating Partnership in this report should be read in conjunction with each other to understand our results on a consolidated basis and how management operates our business.

In order to highlight the differences between Simon and the Operating Partnership, the separate sections in this report for Simon and the Operating Partnership specifically refer to Simon and the Operating Partnership. In the sections that combine disclosure of Simon and the Operating Partnership, this report refers to actions or holdings of Simon and the Operating Partnership as being “our” actions or holdings. Although the Operating Partnership is generally the entity that directly or indirectly enters into contracts and joint ventures, holds assets and incurs debt, we believe that references to “we,” “us” or “our” in this context is appropriate because the business is one enterprise and we operate substantially all of our business through the Operating Partnership.

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Simon Property Group, Inc.

Simon Property Group, L.P.

Annual Report on Form 10-K

December 31, 2024

TABLE OF CONTENTS

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Part I

Simon Property Group, Inc. is a Delaware corporation that operates as a self-administered and self-managed real estate investment trust, or REIT, under the Internal Revenue Code of 1986, as amended, or the Internal Revenue Code. REITs will generally not be liable for U.S. federal corporate income taxes as long as they distribute not less than 100% of their REIT taxable income. Simon Property Group, L.P. is our majority-owned Delaware partnership subsidiary that owns directly or indirectly all of our real estate properties and other assets. Unless stated otherwise or the context otherwise requires, references to "Simon" mean Simon Property Group, Inc. and references to the "Operating Partnership" mean Simon Property Group, L.P. References to "we," "us" and "our" mean collectively Simon, the Operating Partnership and those entities/subsidiaries owned or controlled by Simon and/or the Operating Partnership. According to the amended and restated Operating Partnership's partnership agreement, the Operating Partnership is required to pay all expenses of Simon.

We own, develop and manage premier shopping, dining, entertainment and mixed-use destinations, which consist primarily of malls, Premium Outlets®, and The Mills®. As of December 31, 2024, we owned or held an interest in 194 income-producing properties in the United States, which consisted of 92 malls, 70 Premium Outlets, 14 Mills, six lifestyle centers, and 12 other retail properties in 37 states and Puerto Rico. We also own an 88% noncontrolling interest in The Taubman Realty Group, LLC, or TRG, which has an interest in 22 regional, super-regional, and outlet malls in the U.S. and Asia. Internationally, as of December 31, 2024, we had ownership interests in 35 Premium Outlets and Designer Outlet properties primarily located in Asia, Europe and Canada. As of December 31, 2024, we also owned a 22.4% equity stake in Klépierre SA, or Klépierre, a publicly traded, Paris-based real estate company, which owns, or has an interest in, shopping centers located in 14 countries in Europe. We also have interests in investments in retail operations (such as Catalyst Brands LLC); an e-commerce venture (Rue Gilt Groupe, or RGG, which operates shop.simon.com), and Jamestown (a global real estate investment and management company), collectively, our other platform investments.

For a description of our operational strategies and developments in our business during 2024, see Item 7, “Management’s Discussion and Analysis of Financial Condition and Results of Operations” of this Form 10-K.

Other Policies

The following is a discussion of our investment policies, financing policies, conflict of interest policies and policies with respect to certain other activities. One or more of these policies may be amended or rescinded from time to time without a stockholder vote.

Investment Policies

While we emphasize equity real estate investments, we may also provide secured financing to or invest in equity or debt securities of other entities engaged in real estate activities or securities of other issuers consistent with Simon’s qualification as a REIT. However, any of these investments would be subject to the percentage ownership limitations and gross income tests necessary for REIT qualification. These REIT limitations mean that Simon cannot make an investment that would cause its real estate assets and certain other qualifying assets (such as cash) to be less than 75% of its total assets. Simon must also derive at least 75% of its gross income directly or indirectly from investments relating to real property or mortgages on real property, including “rents from real property,” dividends from other REITs and, in certain circumstances, interest from certain types of temporary investments. In addition, Simon must also derive at least 95% of its gross income from such real property investments, and from dividends, interest and gains from the sale or dispositions of stock or securities or from other combinations of the foregoing.

Subject to Simon’s REIT limitations, we may invest in the securities of other issuers in connection with acquisitions of indirect interests in real estate. Such an investment would normally be in the form of general or limited partnership or membership interests in special purpose partnerships and limited liability companies that own one or more properties. We may, in the future, acquire all or substantially all of the securities or assets of other REITs, management companies or similar entities where such investments would be consistent with our investment policies. Additionally we have and may in the future make investments in entities engaged in non-real estate activities, primarily through a taxable REIT subsidiary, similar to the investments we currently hold in certain retail operations.

Financing Policies

Because Simon’s REIT qualification requires Simon to distribute at least 90% of its REIT taxable income, we regularly access the debt markets to raise the funds necessary to finance acquisitions, develop and redevelop properties, and refinance maturing debt. We must comply with the covenants contained in our financing agreements that limit our ratio of debt to total assets or market value, as defined. The Operating Partnership has a $5.0 billion unsecured revolving credit facility, or the Credit Facility, and a $3.5 billion supplemental unsecured revolving credit facility, or Supplemental Facility, or together, the Credit Facilities. The Credit Facilities and the indentures for the Operating Partnership’s debt securities contain covenants that restrict the total amount of debt of the Operating Partnership to 65%, or 60% in relation to certain debt, of total assets, as defined under the related agreements, and secured debt to 50% of total assets. In addition, these agreements contain other covenants requiring compliance with financial ratios. Furthermore, the amount of debt that we may incur is limited as a practical matter by our desire to maintain acceptable ratings for the debt securities of the Operating Partnership. We strive to maintain investment grade ratings at all times for various business reasons, including their effect on our ability to access attractive capital, but we cannot assure you that we will be able to do so in the future.

If Simon’s Board of Directors determines to seek additional capital, we may raise such capital by offering equity or incurring debt, creating joint ventures with existing ownership interests in properties, entering into joint venture arrangements for new development projects, retaining cash flows or a combination of these methods. If Simon’s Board of Directors determines to raise equity capital, it may, without stockholder approval, issue additional shares of common stock or other capital stock. Simon’s Board of Directors may issue a number of shares up to the amount of our authorized capital or may issue units in any manner and on such terms and for such consideration as it deems appropriate. We may also raise additional capital by issuing common units of partnership interest in the Operating Partnership, or units. Such securities also may include additional classes of Simon’s preferred stock or preferred units of partnership interest in the Operating Partnership, or preferred units, which may be convertible into common stock or units, as the case may be. Existing stockholders and unitholders have no preemptive right to purchase shares or units in any subsequent issuances of securities by us. Any issuance of equity could dilute a stockholder’s investment in Simon or a limited partner’s investment in the Operating Partnership.

We expect most future borrowings will be made through the Operating Partnership or its subsidiaries. We might, however, incur borrowings through other entities that would be reloaned to the Operating Partnership. Borrowings may be in the form of bank borrowings, publicly and privately placed debt instruments, or purchase money obligations to the sellers of properties. Any such indebtedness may be secured or unsecured. Any such indebtedness may also have full or limited recourse to the borrower or be cross-collateralized with other debt, or may be fully or partially guaranteed by the Operating Partnership. We issue unsecured debt securities through the Operating Partnership, but we may issue other debt securities which may be convertible into common or preferred stock or be accompanied by warrants to purchase common or preferred stock. We also may sell or securitize our lease receivables. Although we may borrow to fund the payment of dividends, we currently have no expectation that we will regularly do so.

The Credit Facility can be increased in the form of additional commitments in an aggregate amount not to exceed $1.0 billion, for a total aggregate size of $6.0 billion, subject to obtaining additional lender commitments and satisfying certain customary conditions precedent. The initial maturity date of the Credit Facility is June 30, 2027. The Credit Facility can be extended for two additional six-month periods to June 30, 2028, at our sole option, subject to satisfying certain customary conditions precedent.

Borrowings under the Credit Facility bear interest, at our election, at either (i) (x) for Term Benchmark Loans, the Adjusted Term SOFR Rate, the applicable Local Rate, the Adjusted EURIBOR Rate, or the Adjusted TIBOR Rate, (y) for RFR Loans, if denominated in Sterling, SONIA plus a benchmark adjustment and if denominated in Dollars, Daily Simple SOFR plus a benchmark adjustment, or (z) for Daily SOFR Loans, the Adjusted Floating Overnight Daily SOFR Rate, in each case of clauses (x) through (z) above, plus a margin determined by our corporate credit rating of between 0.650% and 1.400% or (ii) for loans denominated in U.S. Dollars only, the base rate (which rate is equal to the greatest of the prime rate, the federal funds effective rate plus 0.500% or Adjusted Term SOFR Rate for one month plus 1.000%) (the “Base Rate”), plus a margin determined by our corporate credit rating of between 0.000% and 0.400%. The Credit Facility includes a facility fee determined by our corporate credit rating of between 0.100% and 0.300% on the aggregate revolving commitments under the Credit Facility. Based upon our current credit ratings, the interest rate on the Credit Facility is SOFR plus 72.5 basis points, plus a spread adjustment to account for the transition from LIBOR to SOFR.

The Supplemental Facility’s initial borrowing capacity of $3.5 billion may be increased to $4.5 billion during its term subject to obtaining additional lender commitments and satisfying certain customary conditions precedent. The initial maturity date of the Supplemental Facility is January 31, 2029 and can be extended for an additional year to January 31, 2030 at our sole option, subject to our continued compliance with the terms thereof.

Borrowings under the Supplemental Facility bear interest, at the Company’s election, at either (i) (x) for Term Benchmark Loans, the Adjusted Term SOFR Rate, the applicable Local Rate, the Adjusted EURIBOR Rate, the Adjusted Term CORRA Rate, or the Adjusted TIBOR Rate, (y) for RFR Loans, if denominated in Sterling, SONIA plus a benchmark adjustment, if denominated in Dollars, Daily Simple SOFR plus a benchmark adjustment, and if denominated in Canadian Dollars, Daily Simple CORRA plus a benchmark adjustment or (z) for Daily SOFR Loans, the Adjusted Floating Overnight Daily SOFR Rate, in each case of clauses (x) through (z) above, plus a margin determined by the Company’s corporate credit rating of between 0.650% and 1.400% or (ii) for loans denominated in U.S. Dollars only, the base rate (which rate is equal to the greatest of the prime rate, the NYFRB Rate plus 0.500% or Adjusted Term SOFR Rate for one month plus 1.000%) (the “Base Rate”), plus a margin determined by the Company’s corporate credit rating of between 0.000% and 0.400%. The Supplemental Facility includes a facility fee determined by the Company’s corporate credit rating of between 0.100% and 0.300% on the aggregate revolving commitments under the Supplemental Facility. Based upon our current credit ratings, the interest rate on the Supplemental Facility is SOFR plus 72.5 basis points, plus a spread adjustment to account for the transition from LIBOR to SOFR.

The Operating Partnership also has available a global unsecured commercial paper note program, or Commercial Paper program, of $2.0 billion, or the non-U.S. dollar equivalent thereof. The Operating Partnership may issue unsecured commercial paper notes, denominated in U.S. dollars, Euro and other currencies. Notes issued in non-U.S. currencies may be issued by one or more subsidiaries of the Operating Partnership and are guaranteed by the Operating Partnership. Notes are sold under customary terms in the U.S. and Euro commercial paper note markets and rank (either by themselves or as a result of the guarantee described above) pari passu with the Operating Partnership’s other unsecured senior indebtedness. The Commercial Paper program is supported by the Credit Facilities and, if necessary or appropriate, we may make one or more draws under the Credit Facilities to pay amounts outstanding from time to time on the Commercial Paper program.

We may also finance our business through the following:

The Operating Partnership may also issue units to contributors of properties or other partnership interests which may permit the contributor to defer tax gain recognition under the Internal Revenue Code.

We do not have a policy limiting the number or amount of mortgages that may be placed on any particular property.

Mortgage financing instruments, however, typically limit additional indebtedness on such properties. Additionally, the Credit Facilities, our unsecured note indentures and other contracts may limit our ability to borrow and contain limits on mortgage indebtedness we may incur as well as certain financial covenants we must maintain.

Typically, we invest in or form special purpose entities to assist us in obtaining secured permanent financing at attractive terms. Permanent financing may be structured as a mortgage loan on a single property, or on a group of properties, and generally requires us to provide a mortgage lien on the property or properties in favor of an institutional third party, as a joint venture with a third party, or as a securitized financing. For securitized financings, we create special purpose entities to own the properties. These special purpose entities, which are common in the real estate industry, are structured so that they would not be consolidated in a bankruptcy proceeding involving a parent company. We decide upon the structure of the financing based upon the best terms then available to us and whether the proposed financing is consistent with our other business objectives. For accounting purposes, we include the outstanding securitized debt of special purpose entities owning consolidated properties as part of our consolidated indebtedness.

Conflict of Interest Policies

We maintain policies and have entered into agreements designed to reduce or eliminate potential conflicts of interest. Simon has adopted governance principles governing the function, conduct, selection, orientation and duties of its

subsidiaries and Simon’s Board of Directors and the Company, as well as written charters for each of the standing Committees of Simon’s Board of Directors. In addition, Simon’s Board of Directors has a Code of Business Conduct and Ethics, which applies to all of its officers, directors, and employees and those of its subsidiaries. At least a majority of the members of Simon’s Board of Directors must qualify, and do qualify, as independent under the listing standards of the New York Stock Exchange, or NYSE, and cannot be affiliated with the Simon family, who are significant stockholders in Simon and/or unitholders in the Operating Partnership. In addition, the Audit and Compensation and Human Capital Committees of Simon’s Board of Directors are comprised entirely of independent members who meet the additional independence and financial expert requirements of the NYSE as required.

The sale by the Operating Partnership of any property that it owns may have an adverse tax impact on the Simon family or other limited partners of the Operating Partnership. Any transaction between us and the Simon family, including property acquisitions, service and property management agreements and retail space leases, must be approved by the Company’s Audit Committee.

In order to avoid any conflict of interest, the Simon charter requires that at least three-fourths of Simon’s independent directors must authorize and require the Operating Partnership to sell any property it owns. Any such sale is subject to applicable agreements with third parties. A noncompetition agreement executed by Herbert Simon, Simon’s Chairman Emeritus, and a noncompetition agreement executed by David Simon, Simon’s Chairman, Chief Executive Officer and President, which remains in effect notwithstanding the expiration of David Simon’s employment agreement in 2019, contain covenants limiting their ability to participate in certain shopping center activities.

Policies With Respect To Certain Other Activities

We intend to make investments which are consistent with Simon’s qualification as a REIT, unless Simon’s Board of Directors determines that it is no longer in Simon’s best interests to so qualify as a REIT. Simon’s Board of Directors may make such a determination because of changing circumstances or changes in the REIT requirements. Simon has authority to issue shares of its capital stock or other securities in exchange for property. We also have authority to repurchase or otherwise reacquire Simon’s shares, the Operating Partnership’s units, or any other securities. On May 9, 2022, Simon’s Board of Directors authorized a common stock repurchase plan commencing on May 16, 2022. Under the program, the Company could purchase up to $2.0 billion of its common stock during the two-year period ending May 16, 2024 in open market or privately negotiated transactions, at prices that the Company deemed appropriate and subject to market conditions, applicable law, and other factors deemed relevant in the Company’s sole discretion. On February 8, 2024, Simon’s Board of Directors authorized a new common stock repurchase program which replaced the prior repurchase program immediately, where the Company may purchase up to $2.0 billion of its common stock over the next 24 months. As Simon repurchases shares under these programs, the Operating Partnership repurchases an equal number of units from Simon. Simon may also issue shares of its common stock, or pay cash at its option, to holders of units in future periods upon exercise of such holders’ rights under the partnership agreement of the Operating Partnership. Our policy prohibits us from making any loans to the directors or executive officers of Simon for any purpose. We may make loans to the joint ventures in which we participate. Additionally, we may make or buy interests in loans secured by real estate properties owned by others or make investments in companies that own real estate assets.

Competition

The retail real estate industry is dynamic and competitive. We compete with numerous merchandise distribution channels, including malls, outlet centers, community/lifestyle centers, and other shopping centers in the United States and abroad. We also compete with internet retailing sites and catalogs, including our tenants, which provide retailers with distribution options beyond existing brick and mortar retail properties. The existence of competitive alternatives could have a material adverse effect on our ability to lease space and on the level of rents we can obtain. This results in competition for both the tenants to occupy the properties that we develop and manage as well as for the acquisition of prime sites (including land for development and operating properties). We believe that there are numerous factors that make our properties highly desirable to retailers, including:

Certain Activities

During the past three years, we have:

Human Capital

At December 31, 2024, we and our affiliates employed approximately 3,000 persons at various properties and offices throughout the United States, of which approximately 400 were part-time. Approximately 1,000 of these employees were located at our corporate headquarters in Indianapolis, Indiana.

We believe our employees are the driving force behind our success. To ensure we continue to attract, develop and retain the best talent across the organization, we invest in our employees and provide equal opportunities. We offer a variety of ongoing talent programs that foster continual development, high performance and overall organizational effectiveness, including a series of leadership development programs. We conduct an annual talent-assessment process for selected business functions within our corporate and field organizations that includes plans for individual employee career development and long-term leadership succession, and also conduct an annual performance appraisal process for all regular employees.

We are focused on providing a work environment that is free from any form of discrimination or harassment for any protected class and also embraces a code of conduct. We have an internal policy of targeted solutions for employees and an annual process of assessment, action and evaluation led by our human resources department.

Our compensation program is designed to, among other things, attract, retain and motivate talented and experienced individuals using a mix of competitive salaries, bonuses, equity based awards and other benefits.

Government Regulations Affecting Our Properties

We are subject to federal, state and local environmental regulations that apply generally to the ownership of real property and the operations conducted on real property. As of December 31, 2024, we are not aware of any environmental conditions or material costs of complying with environmental or other regulations that would have a material adverse effect on our overall business, financial condition, or results of operations. However, it is possible that we are not aware of, or may become subject to, potential environmental liabilities or material costs of complying with governmental regulations that could be material. See further discussion in Item 1A. Risk Factors.

Corporate Headquarters

Our corporate headquarters are located at 225 West Washington Street, Indianapolis, Indiana 46204, and our telephone number is (317) 636-1600.

Available Information

Simon is a large accelerated filer (as defined in Rule 12b-2 of the Securities Exchange Act of 1934, as amended, or the Exchange Act) and is required, pursuant to Item 101 of Regulation S-K, to provide certain information regarding our website and the availability of certain documents filed with or furnished to the Securities and Exchange Commission, or the SEC. Our Internet website address is www.simon.com. Our annual reports on Form 10-K, quarterly reports on Form 10-Q, current reports on Form 8-K and amendments to those reports filed or furnished pursuant to Section 13(a) or 15(d) of the Exchange Act are available or may be accessed free of charge through the “About Simon/Investor Relations” section of our Internet website as soon as reasonably practicable after we electronically file such material with, or furnish it to, the SEC. Our Internet website and the information contained therein or connected thereto are not, and are not intended to be, incorporated into this Annual Report on Form 10-K.

The following corporate governance documents are also available through the “About Simon/Investor Relations/ Governance” section of our Internet website or may be obtained in print form by request of our Investor Relations Department: Governance Principles, Code of Business Conduct and Ethics, Audit Committee Charter, Compensation and Human Capital Committees Charter, and Governance and Nominating Committee Charter.

In addition, we intend to disclose on our Internet website any amendments to, or waivers from, our Code of Business Conduct and Ethics that are required to be publicly disclosed pursuant to rules of the SEC and the NYSE.

Information about our Executive Officers

The following table sets forth certain information with respect to Simon’s executive officers as of February 21, 2025.

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The executive officers of Simon serve at the pleasure of Simon’s Board of Directors.

Mr. Simon has served as the Chairman of Simon’s Board of Directors since 2007, Chief Executive Officer of Simon or its predecessor since 1995 and assumed the position of President in 2019. Mr. Simon has also been a director of Simon or its predecessor since its incorporation in 1993. Mr. Simon was the President of Simon’s predecessor from 1993 to 1996.

Mr. Rulli serves as Simon’s Chief Administrative Officer. Mr. Rulli joined Melvin Simon & Associates, Inc., or MSA, in 1988 and held various positions with MSA and Simon thereafter. Mr. Rulli became Chief Administrative Officer in 2007 and was promoted to Senior Executive Vice President in 2011.

Mr. Fivel serves as Simon’s General Counsel and Secretary. Prior to rejoining Simon in 2011 as Assistant General Counsel and Assistant Secretary, Mr. Fivel served as Executive Vice President, General Counsel and Secretary of Brightpoint, Inc. Mr. Fivel was previously employed by MSA from 1988 until 1993 and then by Simon from 1993 to 1996. Mr. Fivel was promoted to General Counsel and Secretary in 2017.

Mr. McDade serves as Simon’s Executive Vice President and Chief Financial Officer. Mr. McDade joined Simon in 2007 as the Director of Capital Markets and was promoted to Senior Vice President of Capital Markets in 2013 and Treasurer in 2014. He was promoted to Executive Vice President and Chief Financial Officer in 2018.

Mr. Reuille serves as Simon’s Senior Vice President and Chief Accounting Officer and prior to that as Simon’s Vice President and Corporate Controller. Mr. Reuille joined Simon in 2009 and was promoted to Senior Vice President and Chief Accounting Officer in 2018.

Mr. Frey serves as Simon’s Treasurer and Executive Vice President. Mr. Frey joined Simon in 2010 and most recently served as Simon’s Assistant Treasurer and Senior Vice President prior to his current position which he was promoted to in 2022. Before joining Simon, Mr. Frey was an attorney with Alston & Bird LLP and Dechert LLP.

Mr. Kelly serves as Simon’s Assistant General Counsel and Assistant Secretary. Mr. Kelly joined Simon in 2015 as Senior Finance Counsel and was promoted to Senior Associate, General Counsel in 2020 prior to his current position which he was promoted to in 2022. Prior to joining Simon, Mr. Kelly was an attorney with Sidley Austin, LLP and Fried, Frank, Harris, Shriver & Jacobson.

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The following factors, among others, could cause our actual results to differ materially from those expressed or implied in forward-looking statements made in this Annual Report on Form 10-K and presented elsewhere by our management from time to time. These factors may have a material adverse effect on our business, financial condition, liquidity, results of operations, funds from operations, or FFO, and prospects, which we refer to herein as a material adverse effect on us or as materially and adversely affecting us, and you should carefully consider them. Additional risks and uncertainties not presently known to us or which are currently not believed to be material may also affect our actual results. We may update these factors in our future periodic reports.

Summary of Risk Factors

The following summarizes our material risk factors. However, this summary is not intended to be a comprehensive and complete list of all risk factors identified by the Company. Refer to the following pages of this section for additional details regarding these summarized risk factors and other additional risk factors identified by the Company.

Risks Related to Tenant Operations at Our Properties

Conditions that adversely affect the general retail environment could materially and adversely affect us.

Our primary source of revenue is derived fro

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None.

Cybersecurity Risk Management and Strategy

We have developed and implemented a cybersecurity risk management program intended to protect the confidentiality, integrity, and availability of our critical systems and information. We execute a risk-based approach to identify and assess the cybersecurity threats that could affect our business and information systems. Our cybersecurity risk management program includes a cybersecurity incident response plan and dedicated cybersecurity incident response team (“CSIRT”). We do not have actual or contractual access to the systems or information maintained by our tenants, who maintain their own cybersecurity risk management programs to protect their operations from various risks from cybersecurity threats.

We use the National Institute of Standards and Technology Cybersecurity Framework and CIS Critical Security Controls as a guide to help us identify, assess, and manage cybersecurity risks relevant to our business. This does not imply that we meet any particular technical standards, specifications, or requirements.

Our cybersecurity risk management program is integrated with our overall enterprise risk management program, and shares common methodologies, reporting channels and governance processes that apply across the enterprise risk management program to other legal, compliance, strategic, operational, public relations and financial risk areas.

Our cybersecurity risk management program includes the following key elements:

We have not identified risks from known cybersecurity threats, including as a result of any prior cybersecurity incidents, that have materially affected us, including our operations, business strategy, results of operations, or financial condition. We face certain ongoing risks from cybersecurity threats that, if realized, are reasonably likely to materially affect us, including our operations, business strategy, results of operations, or financial condition. See further discussion in Item 1A. Risk Factors.

Cybersecurity Governance

Our Board of Directors considers cybersecurity risk as critical to the enterprise and delegates the cybersecurity risk oversight function to the Audit Committee. The Audit Committee oversees and is regularly updated on management’s design, implementation and enforcement of our cybersecurity risk management program. The Audit Committee is composed of board members with varied expertise including, risk management, technology, and finance, equipping them to oversee cybersecurity risks.

Our Chief Financial Officer periodically provides reports to the Audit Committee, and, together with our Chief Technology Officer and Director of Cybersecurity, leads the Company’s overall cybersecurity function. The Audit Committee receives regular reports on our cybersecurity risks, including briefings on our cyber risk management program and cybersecurity incidents. Audit Committee members also receive periodic presentations on cybersecurity, IT and data protection topics.

Our Chief Financial Officer oversees our CSIRT, whose members have years of experience working in cybersecurity and certifications including CISSP (Certified Information Systems Security Professional), CCSP (Certified Cloud Security Professional), CGRC (Certification in Governance of Enterprise IT), GIAC (Global Information Assurance Certification) and GCED (GIAC Certified Enterprise Defender). Our CSIRT supervises efforts to prevent, detect, mitigate, and remediate cybersecurity risks and incidents through various means, which include briefings from internal security personnel; threat intelligence and other information obtained from governmental, public or private sources, including external cybersecurity service providers; and alerts and reports produced by security tools deployed in the IT environment.

The CSIRT is responsible for assessing and managing our material risks from cybersecurity threats. They have primary responsibility for leading our overall cybersecurity risk management program and supervise both our internal cybersecurity personnel and our external cybersecurity service providers.

Item 2. Properties

United States Properties

Our U.S. properties primarily consist of malls, Premium Outlets, The Mills, lifestyle centers and other retail properties. These properties contain an aggregate of approximately 170.7 million square feet of gross leasable area, or GLA.

Malls typically contain at least one department store anchor or a combination of anchors and big box retailers with a wide variety of smaller stores connecting the anchors. Additional stores are usually located along the perimeter of the parking area. Our 92 malls generally range in size from approximately 280,000 to 2.7 million square feet of GLA.

Premium Outlets generally contain a wide variety of designer and manufacturer stores. Our 70 Premium Outlets range in size from approximately 150,000 to 920,000 square feet of GLA. The Premium Outlets are generally located within a close proximity to major metropolitan areas and/or tourist destinations.

The 14 properties in The Mills generally range in size from 1.2 million to 2.4 million square feet of GLA and are located in major metropolitan areas. They have a combination of traditional mall, outlet center, big box retailers and entertainment uses.

We also have interests in six lifestyle centers and 12 other retail properties. The lifestyle centers range in size from 170,000 to 950,000 square feet of GLA. The other retail properties range in size from approximately 190,000 to 1.2 million square feet of GLA and are considered non-core to our business model.

As of December 31, 2024, approximately 96.5% of the owned GLA in malls and Premium Outlets was leased and approximately 98.8% of the owned GLA for The Mills was leased.

We wholly own 130 of our properties, effectively control 12 properties in which we have a joint venture interest, and hold the remaining 52 properties through unconsolidated joint venture interests. We are the managing or co-managing general partner or member of 186 properties in the United States. Certain of our joint venture properties are subject to various rights of first refusal, buy-sell provisions, put and call rights, or other sale or marketing rights for partners which are customary in real estate partnership agreements and the industry. We and our partners in these joint ventures may initiate these provisions (subject to any applicable lock up or similar restrictions) which may result in either the sale of our interest or the use of available cash or borrowings, or the use of Operating Partnership units, to acquire the joint venture interest from our partner.

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We are involved from time-to-time in various legal and regulatory proceedings that arise in the ordinary course of our business, including, but not limited to, commercial disputes, environmental matters, and litigation in connection with transactions such as acquisitions and divestitures. We believe that current proceedings will not have a material adverse effect on our financial condition, liquidity or results of operations. We record a liability when a loss is considered probable and the amount can be reasonably estimated.

Not applicable.

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Part II

Simon

Market Information

Simon’s common stock trades on the New York Stock Exchange under the symbol “SPG”.

Holders

The number of holders of record of common stock outstanding was 1,023 as of January 31, 2025. The Class B common stock is subject to two voting trusts as to which Herbert Simon and David Simon are the trustees. Shares of Class B common stock convert automatically into an equal number of shares of common stock upon the occurrence of certain events and can be converted into shares of common stock at the option of the holders.

Dividends

Simon must pay a minimum amount of dividends to maintain its status as a REIT. Simon’s future dividends and future distributions of the Operating Partnership will be determined by Simon’s Board of Directors, in its sole discretion, based on actual and projected financial condition, liquidity and results of operations, cash available for dividends and limited partner distributions, cash reserves as deemed necessary for capital and operating expenditures, financing covenants, if any, and the amount required to maintain Simon’s status as a REIT.

Common stock cash dividends paid during 2024 aggregated $8.10 per share. Common stock cash dividends during 2023 aggregated $7.45 per share. On February 4, 2025, Simon’s Board of Directors declared a quarterly cash dividend for the first quarter of 2025 of $2.10 per share, payable on March 31, 2025 to shareholders of record on March 10, 2025.

We offer a dividend reinvestment plan that allows Simon’s stockholders to acquire additional shares by automatically reinvesting cash dividends. Shares are acquired pursuant to the plan at a price equal to the prevailing market price of such shares, without payment of any brokerage commission or service charge.

Unregistered Sales of Equity Securities

There were no unregistered sales of equity securities made by Simon during the quarter ended December 31, 2024.

Issuances Under Equity Compensation Plans

For information regarding the securities authorized for issuance under our equity compensation plans, see Item 12 of this Annual Report on Form 10-K.

Issuer Purchases of Equity Securities

There were no purchases of equity securities made by Simon or any affiliated purchaser during the quarter ended December 31, 2024.

On February 8, 2024, Simon’s Board of Directors authorized a new common stock repurchase program which replaced the prior repurchase program immediately, where the Company may purchase up to $2.0 billion of its common stock over the next 24 months. As of December 31, 2024, no shares had been purchased under the plan. As Simon repurchases shares under these programs, the Operating Partnership repurchases an equal number of units from Simon.

The Operating Partnership

Market Information

There is no established trading market for units or preferred units.

Holders

The number of holders of record of units was 234 as of January 31, 2025.

Distributions

The Operating Partnership makes distributions on its units in amounts sufficient to permit Simon to pay dividends required to maintain Simon's qualification as a REIT. Simon is required each year to distribute to its stockholders at least 90% of its REIT taxable income after certain adjustments. Future distributions will be determined by Simon’s Board of

Directors, in its sole discretion, based on actual and projected financial condition, liquidity and results of operations, cash available for distributions, cash reserves as deemed necessary for capital and operating expenditures, financing covenants, if any, and the distributions that may be required to maintain Simon's status as a REIT.

Distributions during 2024 aggregated $8.10 per unit. Distributions during 2023 aggregated $7.45 per unit. On February 4, 2025, Simon’s Board of Directors declared a quarterly cash dividend for the first quarter of 2025 of $2.10 per share, payable on March 31, 2025 to shareholders of record on March 10, 2025. The distribution rate on the Operating Partnership’s units is equal to the dividend rate on Simon’s common stock.

Unregistered Sales of Equity Securities

During the quarter ended December 31, 2024, we issued 1,572,500 units in the Operating Partnership to acquire an additional 4% ownership in TRG. The issuance of the units was exempt from registration pursuant to Section 4(a)2 of the Securities Act of 1933, as amended.

Issuer Purchases of Equity Securities

During the quarter ended December 31, 2024, the Operating Partnership redeemed 8,000 units from three limited partners for $1.4 million in cash.

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The following discussion should be read in conjunction with the consolidated financial statements and notes thereto that are included in this Annual Report on Form 10-K.

Overview

Simon Property Group, Inc. is a Delaware corporation that operates as a self-administered and self-managed real estate investment trust, or REIT, under the Internal Revenue Code of 1986, as amended, or the Internal Revenue Code. REITs will generally not be liable for U.S. federal corporate income taxes as long as they distribute not less than 100% of their REIT taxable income. Simon Property Group, L.P. is our majority-owned Delaware partnership subsidiary that owns directly or indirectly all of our real estate properties and other assets. In this discussion, unless stated otherwise or the context otherwise requires, references to "Simon" mean Simon Property Group, Inc. and references to the "Operating Partnership" mean Simon Property Group, L.P. References to "we," "us" and "our" mean collectively Simon, the Operating Partnership and those entities/subsidiaries owned or controlled by Simon and/or the Operating Partnership. According to the amended and restated Operating Partnership's partnership agreement, the Operating Partnership is required to pay all expenses of Simon.

We own, develop and manage premier shopping, dining, entertainment and mixed-use destinations, which consist primarily of malls, Premium Outlets®, and The Mills®. As of December 31, 2024, we owned or held an interest in 194 income-producing properties in the United States, which consisted of 92 malls, 70 Premium Outlets, 14 Mills, six lifestyle centers, and 12 other retail properties in 37 states and Puerto Rico. We also own an 88% noncontrolling interest in The Taubman Realty Group, LLC, or TRG, which has an interest in 22 regional, super-regional, and outlet malls in the U.S. and Asia. In addition, we have redevelopment and expansion projects, including the addition of anchors, big box tenants, and restaurants, underway at several properties in the North America, Europe and Asia. Internationally, as of December 31, 2024, we had ownership in 35 Premium Outlets and Designer Outlet properties primarily located in Asia, Europe, and Canada. As of December 31, 2024, we also owned a 22.4% equity stake in Klépierre SA, or Klépierre, a publicly traded, Paris-based real estate company, which owns, or has an interest in, shopping centers located in 14 countries in Europe. We also have interests in investments in retail operations (such as Catalyst Brands LLC, or Catalyst); an e-commerce venture (Rue Gilt Groupe, or RGG, which operates shop.simon.com), and Jamestown (a global real estate investment and management company), collectively, our other platform investments.

We generate the majority of our lease income from retail, dining, entertainment, and other tenants including consideration received from:

Revenues of our management company, after intercompany eliminations, consist primarily of management fees that are typically based upon the revenues of the property being managed.

We invest in real estate properties to maximize total financial return which includes both operating cash flows and capital appreciation. We seek growth in earnings, funds from operations, or FFO, and cash flows by enhancing the profitability and operation of our properties and investments. We seek to accomplish this growth through the following:

We also grow by generating supplemental revenues from the following activities:

We focus on high quality real estate across the retail real estate spectrum. We expand or redevelop properties to enhance profitability and market share of existing assets when we believe the investment of our capital meets our risk-reward criteria. We selectively develop new properties in markets we believe are not adequately served by existing retail properties.

We routinely review and evaluate acquisition opportunities based on their ability to enhance our portfolio. Our international strategy includes partnering with established real estate companies and financing international investments with local currency to minimize foreign exchange risk.

To support our growth, we employ a three-fold capital strategy:

We consider FFO, Real Estate FFO, net operating income, or NOI, and portfolio NOI to be key measures of operating performance that are not specifically defined by accounting principles generally accepted in the United States, or GAAP. We use these measures internally to evaluate the operating performance of our portfolio and provide a basis for comparison with other real estate companies. Reconciliations of these measures to the most comparable GAAP measures are included below in this discussion.

Results Overview

Diluted earnings per share and diluted earnings per unit increased $0.28 during 2024 to $7.26 as compared to $6.98 in 2023. The increase in diluted earnings per share and diluted earnings per unit was primarily attributable to:

| | ● | a pre-tax gain during the first quarter of 2024 on the sale of all our remaining interests in Authentic Brands Group, or ABG, of $414.8 million, or $1.10 per diluted share/unit, and a non-cash pre-tax gain of $100.5 million, or $0.27 per diluted share/unit, during the fo

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Our exposure to market risk due to changes in interest rates primarily relates to our long-term debt obligations. We manage exposure to interest rate market risk through our risk management strategy by a combination of interest rate protection agreements to effectively fix or cap a portion of variable rate debt. We are also exposed to foreign currency risk on financings of certain foreign operations. Our intent is to offset gains and losses that occur on the underlying exposures, with gains and losses on the derivative contracts hedging these exposures. We do not enter into either interest rate protection or foreign currency rate protection agreements for speculative purposes.

We may enter into treasury lock agreements as part of anticipated issuances of senior notes. Upon completion of the debt issuance, the cost of these instruments is recorded as part of accumulated other comprehensive income (loss) and is amortized to interest expense over the life of the debt agreement.

Our future earnings, cash flows and fair values relating to financial instruments are dependent upon prevalent market rates of interest, primarily SOFR. Based upon consolidated indebtedness and interest rates at December 31, 2024, a 50 basis point increase in the market rates of interest would decrease future earnings and cash flows by approximately $0.7 million, and would decrease the fair value of debt by approximately $756.6 million.

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Report of Independent Registered Public Accounting Firm

To the Stockholders and the Board of Directors of Simon Property Group, Inc.

Opinion on Internal Control Over Financial Reporting

We have audited Simon Property Group, Inc.’s internal control over financial reporting as of December 31, 2024, based on criteria established in Internal Control–Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (2013 framework) (the COSO criteria). In our opinion, Simon Property Group, Inc. (the Company) maintained, in all material respects, effective internal control over financial reporting as of December 31, 2024, based on the COSO criteria.

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the consolidated balance sheets of the Company as of December 31, 2024 and 2023, the related consolidated statements of operations and comprehensive income, equity and cash flows for each of the three years in the period ended December 31, 2024, and the related notes and financial statement schedule listed in the Index at Item 15(a) and our report dated February 21, 2025 expressed an unqualified opinion thereon.

Basis for Opinion

The Company’s management is responsible for maintaining effective internal control over financial reporting and for its assessment of the effectiveness of internal control over financial reporting included in the accompanying Management’s Report on Internal Control Over Financial Reporting. Our responsibility is to express an opinion on the Company’s internal control over financial reporting based on our audit. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audit in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether effective internal control over financial reporting was maintained in all material respects.

Our audit included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, testing and evaluating the design and operating effectiveness of internal control based on the assessed risk, and performing such other procedures as we considered necessary in the circumstances. We believe that our audit provides a reasonable basis for our opinion.

Definition and Limitations of Internal Control Over Financial Reporting

A company’s internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A company’s internal control over financial reporting includes those policies and procedures that (1) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (2) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (3) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the company’s assets that could have a material effect on the financial statements.

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

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Report of Independent Registered Public Accounting Firm

To the Stockholders and the Board of Directors of Simon Property Group, Inc.

Opinion on the Financial Statements

We have audited the accompanying consolidated balance sheets of Simon Property Group, Inc. (the Company) as of December 31, 2024 and 2023, the related consolidated statements of operations and comprehensive income, equity and cash flows for each of the three years in the period ended December 31, 2024, and the related notes and financial statement schedule listed in the Index at Item 15(a) (collectively referred to as the “consolidated financial statements”). In our opinion, the consolidated financial statements present fairly, in all material respects, the financial position of the Company at December 31, 2024 and 2023, and the results of its operations and its cash flows for each of the three years in the period ended December 31, 2024, in conformity with U.S. generally accepted accounting principles.

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the Company’s internal control over financial reporting as of December 31, 2024, based on criteria established in Internal Control–Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (2013 framework), and our report dated February 21, 2025 expressed an unqualified opinion thereon.

Basis for Opinion

These financial statements are the responsibility of the Company’s management. Our responsibility is to express an opinion on the Company’s financial statements based on our audits. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement, whether due to error or fraud. Our audits included performing procedures to assess the risks of material misstatement of the financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the financial statements. We believe that our audits provide a reasonable basis for our opinion.

Critical Audit Matters

The critical audit matters communicated below are matters arising from the current period audit of the financial statements that were communicated or required to be communicated to the audit committee and that: (1) relate to accounts or disclosures that are material to the financial statements and (2) involved our especially challenging, subjective or complex judgments. The communication of critical audit matters does not alter in any way our opinion on the consolidated financial statements, taken as a whole, and we are not, by communicating the critical audit matters below, providing separate opinions on the critical audit matters or on the accounts or disclosures to which they relate.

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None.

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Simon

Management's Evaluation of Disclosure Controls and Procedures

Simon maintains disclosure controls and procedures (as defined in Rule 13a-15(e) under the Securities Exchange Act of 1934, as amended (the "Exchange Act")) that are designed to provide reasonable assurance that information required to be disclosed in the reports that we file or submit under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the SEC's rules and forms, and that such information is accumulated and communicated to Simon’s management, including its Chief Executive Officer and Chief Financial Officer, as appropriate to allow timely decisions regarding required disclosures. Because of inherent limitations, disclosure controls and procedures, no matter how well designed and operated, can provide only reasonable, and not absolute, assurance that the objectives of disclosure controls and procedures are met.

Our management, with the participation of Simon’s Chief Executive Officer and Chief Financial Officer, evaluated the effectiveness of the design and operation of Simon’s disclosure controls and procedures as of December 31, 2024. Based on that evaluation, Simon’s Chief Executive Officer and Chief Financial Officer concluded that, as of December 31, 2024, Simon’s disclosure controls and procedures were effective at a reasonable assurance level.

Management's Report on Internal Control Over Financial Reporting

Simon is responsible for establishing and maintaining adequate internal control over financial reporting. Internal control over financial reporting is defined in Rule 13a-15(f) under the Exchange Act as a process designed by, or under the supervision of, Simon’s principal executive and principal financial officers and effected by Simon’s Board of Directors, management and other personnel, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with U.S. generally accepted accounting principles and includes those policies and procedures that:

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

We assessed the effectiveness of Simon’s internal control over financial reporting as of December 31, 2024. In making this assessment, we used the criteria set forth by the Committee of Sponsoring Organizations of the Treadway Commission (COSO) in Internal Control-Integrated Framework (2013). Based on that assessment and criteria, we believe that, as of December 31, 2024, Simon’s internal control over financial reporting was effective.

Attestation Report of the Registered Public Accounting Firm

The audit report of Ernst & Young LLP on their assessment of Simon's internal control over financial reporting as of December 31, 2024 is set forth within Item 8 of this Form 10-K.

Changes in Internal Control Over Financial Reporting

There have not been any changes in Simon’s internal control over financial reporting (as defined in Rule 13a-15(f) under the Exchange Act) that occurred during the year ended December 31, 2024 that have materially affected, or are reasonably likely to materially affect, Simon’s internal control over financial reporting.

The Operating Partnership

Management's Evaluation of Disclosure Controls and Procedures

The Operating Partnership maintains disclosure controls and procedures (as defined in Rule 13a-15(e) under the Exchange Act) that are designed to provide reasonable assurance that information required to be disclosed in the reports that we file or submit under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the SEC's rules and forms, and that such information is accumulated and communicated to our management, including Simon’s Chief Executive Officer and Chief Financial Officer, as appropriate to allow timely decisions regarding required disclosures. Because of inherent limitations, disclosure controls and procedures, no matter how well designed and operated, can provide only reasonable, and not absolute, assurance that the objectives of disclosure controls and procedures are met.

Our management, with the participation of Simon’s Chief Executive Officer and Chief Financial Officer, evaluated the effectiveness of the design and operation of the Operating Partnership’s disclosure controls and procedures as of December 31, 2024. Based on that evaluation, Simon’s Chief Executive Officer and Chief Financial Officer concluded that, as of December 31, 2024, the Operating Partnership’s disclosure controls and procedures were effective at a reasonable assurance level.

Management's Report on Internal Control Over Financial Reporting

The Operating Partnership is responsible for establishing and maintaining adequate internal control over financial reporting. Internal control over financial reporting is defined in Rule 13a-15(f) under the Exchange Act as a process designed by, or under the supervision of, Simon’s principal executive and principal financial officers and effected by Simon’s Board of Directors, management and other personnel, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with U.S. generally accepted accounting principles and includes those policies and procedures that:

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

We assessed the effectiveness of the Operating Partnership’s internal control over financial reporting as of December 31, 2024. In making this assessment, we used the criteria set forth by the Committee of Sponsoring Organizations of the Treadway Commission (COSO) in Internal Control-Integrated Framework (2013). Based on that assessment and criteria, we believe that, as of December 31, 2024, the Operating Partnership’s internal control over financial reporting was effective.

Attestation Report of the Registered Public Accounting Firm

The audit report of Ernst & Young LLP on their assessment of the Operating Partnership’s internal control over financial reporting as of December 31, 2024 is set forth within Item 8 of this Form 10-K.

Changes in Internal Control Over Financial Reporting

There have not been any changes in the Operating Partnership’s internal control over financial reporting (as defined in Rule 13a-15(f) under the Exchange Act) that occurred during the year ended December 31, 2024 that have materially affected, or are reasonably likely to materially affect, the Operating Partnership’s internal control over financial reporting.

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During the fourth quarter of the year covered by this Annual Report on Form 10-K, the Audit Committee of Simon’s Board of Directors approved certain audit, audit-related and non-audit tax compliance and tax consulting services to be provided by Ernst & Young LLP, our independent registered public accounting firm. This disclosure is made pursuant to Section 10A(i)(2) of the Exchange Act as added by Section 202 of the Sarbanes-Oxley Act of 2002.

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Not Applicable.

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Part III

The information required by this item is incorporated herein by reference to the definitive proxy statement for Simon’s 2025 annual meeting of stockholders to be filed with the SEC pursuant to Regulation 14A and the information included under the caption "Information about our Executive Officers" in Part I hereof.

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The information required by this item is incorporated herein by reference to the definitive proxy statement for Simon’s 2025 annual meeting of stockholders to be filed with the SEC pursuant to Regulation 14A.

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The information required by this item is incorporated herein by reference to the definitive proxy statement for Simon’s 2025 annual meeting of stockholders to be filed with the SEC pursuant to Regulation 14A.

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The information required by this item is incorporated herein by reference to the definitive proxy statement for Simon’s 2025 annual meeting of stockholders to be filed with the SEC pursuant to Regulation 14A.

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Item 14. Principal Accountant Fees and Services

The information required by this item is incorporated herein by reference to the definitive proxy statement for Simon’s 2025 annual meeting of stockholders to be filed with the SEC pursuant to Regulation 14A.

The Audit Committee of Simon's Board of Directors pre-approves all audit and permissible non-audit services to be provided by Ernst & Young LLP (PCAOB ID: 42), or Ernst & Young, Simon’s and the Operating Partnership’s independent registered public accounting firm, prior to commencement of services. The Audit Committee has delegated to the Chairman of the Audit Committee the authority to pre-approve specific services up to specified individual and aggregate fee amounts. These pre-approval decisions are presented to the full Audit Committee at the next scheduled meeting after such approvals are made. We have incurred fees as shown below for services from Ernst & Young as Simon’s and the Operating Partnership’s independent registered public accounting firm and for services provided to our managed consolidated and joint venture properties and our consolidated non-managed properties. Ernst & Young has advised us that it has billed or will bill these indicated amounts for the following categories of services for the years ended December 31, 2024 and 2023, respectively:

category may vary year-over-year and is directly tied to the level of capital market and transaction related activities in any given year.

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Part IV

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Item 16. Form 10-K Summary

None.

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EXHI****BIT INDEX

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