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ARE vs KRC

Alexandria Real Estate Equities, Inc. and Kilroy Realty Corp.

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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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Kilroy Realty Corp.

Kilroy is a leading U.S. landlord and developer, with operations in San Diego, Los Angeles, the San Francisco Bay Area, Seattle, and Austin. The Company has earned global recognition for sustainability, building operations, innovation, and design. As a pioneer and innovator in the creation of a more sustainable real estate industry, the Company's approach to modern business environments helps drive creativity and productivity for some of the world's leading technology, entertainment, life science, and business services companies. The Company is a publicly traded real estate investment trust ("REIT") and member of the S&P MidCap 400 Index with more than seven decades of experience developing, acquiring, and managing office, life science, and mixed-use projects. As of June 30, 2025, Kilroy's stabilized portfolio totaled approximately 16.4 million square feet of primarily office and life science space that was 80.8% occupied and 83.5% leased. The Company also had approximately 1,000 residential units in Hollywood and San Diego, which had a quarterly average occupancy of 93.8%. In addition, the Company had one development project in the tenant improvement phase totaling approximately 875,000 square feet with a total estimated investment of $1.0 billion and two life science redevelopment projects in the tenant improvement phase totaling approximately 100,000 square feet with total estimated redevelopment costs of $85.0 million.

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