KILROY REALTY CORP

Kilroy Realty Corporation is a self-administered real estate investment trust (REIT) focused on premier office, life science, and mixed-use properties in the United States. The company owns, develops, acquires, and manages real estate assets, primarily premier office and life science properties. Its operations are concentrated in the San Francisco Bay Area, Los Angeles, Seattle, San Diego, and Austin. As of December 31, 2025, Kilroy Realty Corporation owned an approximate 99.1% common general partnership interest in its Operating Partnership, through which it holds interests in all real estate assets and conducts substantially all operations. Non-affiliated investors owned the remaining approximate 0.9% common limited partnership interest in the Operating Partnership as of the same date. The company's stabilized portfolio, which excludes development, redevelopment, undeveloped land, and assets held for sale, consisted of 121 stabilized office properties as of December 31, 2025. These properties, which include stabilized life science and retail space, comprised 16,292,164 rentable square feet, housed 438 tenants, and had an economic occupancy of 81.6%.