alstria office REIT-AG (AOX.DE) is a leading German real estate investment trust focused on the ownership, management, and leasing of high-quality office properties across major urban centers. The company offers a diversified portfolio of modern office spaces, including multi-let and single-let buildings equipped with sustainable features and flexible leasing options; parking facilities; and ancillary services such as property management and tenant services. Its properties cater primarily to corporate tenants in professional services, technology, finance, and public sectors, with a strong emphasis on ESG-compliant assets certified under standards like DGNB and BREEAM. Founded in 2003 and headquartered in Hamburg, Germany, alstria operates exclusively within Germany, with key concentrations in Hamburg, Berlin, Cologne, Frankfurt, Stuttgart, and Munich, encompassing over 140 properties and approximately 2.3 million square meters of lettable space as of late 2025. In recent developments, the company completed the strategic divestment of non-core assets in secondary locations during 2024-2025 to streamline its portfolio toward prime urban offices; formed a joint venture with a major institutional investor in early 2026 for the development of a sustainable office campus in Berlin; and announced a EUR 300 million green bond issuance in February 2026 to fund energy-efficient retrofits and expansion projects, reinforcing its commitment to net-zero operations by 2030. alstria maintains a robust subsidiary structure for property management and development, including alstria development GmbH & Co. KG, while remaining independently listed on the Xetra exchange.