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ARE vs SPG

Alexandria Real Estate Equities, Inc. and Simon Property Group, Inc.

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Alexandria Real Estate Equities, Inc.

Alexandria Real Estate Equities, Inc. (NYSE: ARE), an S&P 500 company, is a best-in-class, mission-driven life science REIT making a positive and lasting impact on the world. With our founding in 1994, Alexandria pioneered the life science real estate niche. Alexandria is the preeminent and longest-tenured owner, operator, and developer of collaborative Megacampus ecosystems in AAA life science innovation cluster locations, including Greater Boston, the San Francisco Bay Area, San Diego, Seattle, Maryland, Research Triangle, and New York City. As of September 30, 2025, Alexandria has a total market capitalization of $27.8 billion and an asset base in North America that includes 39.1 million RSF of operating properties and 4.2 million RSF of Class A/A+ properties undergoing construction and one 100% pre-leased committed near-term project expected to commence construction in the next year. Alexandria has a long-standing and proven track record of developing Class A/A+ properties clustered in highly dynamic and collaborative Megacampus environments that enhance our tenants' ability to successfully recruit and retain world-class talent and inspire productivity, efficiency, creativity, and success. Alexandria also provides strategic capital to transformative life science companies through our venture capital platform. We believe our unique business model and diligent underwriting ensure a high-quality and diverse tenant base that results in higher occupancy levels, longer lease terms, higher rental income, higher returns, and greater long-term asset value.

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Simon Property Group, Inc.

Simon Property Group, Inc. (NYSE:SPG) is a self-administered and self-managed real estate investment trust ("REIT"). Simon Property Group, L.P., or the Operating Partnership, is our majority-owned partnership subsidiary that owns all of our real estate properties and other assets. In this package, the terms Simon, we, our, or the Company refer to Simon Property Group, Inc., the Operating Partnership, and its subsidiaries. We own, develop and manage premier shopping, dining, entertainment and mixed-use destinations, which consist primarily of malls, Premium Outlets, The Mills, and International Properties. At December 31, 2024, we owned or had an interest in 229 properties comprising 183 million square feet in North America, Asia and Europe. We also owned an 88% interest in The Taubman Realty Group, or TRG, which owns 22 regional, super-regional, and outlet malls in the U.S. and Asia. Additionally, at December 31, 2024, we had a 22.4% ownership interest in Klepierre, a publicly traded, Paris-based real estate company, which owns shopping centers in 14 European countries.

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