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ARE vs EXR

Alexandria Real Estate Equities, Inc. and Extra Space Storage, 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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Extra Space Storage, Inc.

Extra Space Storage Inc., headquartered in Salt Lake City, Utah, is a self-administered and self-managed REIT and a member of the S&P 500. As of September 30, 2025, the Company owned and/or operated 4,238 self-storage stores in 43 states and Washington, D.C.The Company's stores comprise approximately 2.9 million units and approximately 326.9 million square feet of rentable space operating under the Extra Space brand. The Company offers customers a wide selection of conveniently located and secure storage units across the country, including boat storage, RV storage and business storage. It is the largest operator of self-storage properties in the United States.

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