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 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. Unless otherwise indicated, these notes to consolidated financial statements apply to both Simon and the Operating Partnership. According to the 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, 2020, we owned or held an interest in 203 income-producing properties in the United States, which consisted of 99 malls, 69 Premium Outlets, 14 Mills, four lifestyle centers, and 17 other retail properties in 37 states and Puerto Rico. We also own an 80% noncontrolling interest in the Taubman Realty Group, LLC, or TRG, which has an interest in 24 regional, super-regional, and outlet malls in the U.S. and Asia. Internationally, as of December 31, 2020, we had ownership interests in 31 Premium Outlets and Designer Outlet properties primarily located in Asia, Europe, and Canada. As of December 31, 2020, 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 15 countries in Europe.

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 also grow by generating supplemental revenues from the following activities:

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establishing our properties as leading market resource providers for retailers and other businesses and consumer-focused corporate alliances, including payment systems (such as handling fees relating to the sales of bank-issued prepaid cards), national marketing alliances, static and digital media initiatives, business development, sponsorship, and events,

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offering property operating services to our tenants and others, including waste handling and facility services, and the provision of energy services,

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selling or leasing land adjacent to our properties, commonly referred to as “outlots” or “outparcels,” and

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generating interest income on cash deposits and investments in loans, including those made to related entities.