Diversified Healthcare Trust is a real estate investment trust, or REIT, focused on owning high-quality healthcare properties located throughout the United States. DHC's portfolio is anchored by a strategically curated mix of senior housing, medical office and life science assets that combine high quality care, modern technology and amenity rich environments to meet rising demand across the healthcare continuum. As of June 30, 2026, DHC's approximately 6.3 billion dollar portfolio included 285 properties in 33 states and Washington, D.C., with 23,797 senior living units, approximately 5.6 million square feet of medical office and life science properties and occupied by approximately 250 tenants. DHC is managed by The RMR Group, a leading U.S. alternative asset management company with over 37 billion dollar in assets under management as of June 30, 2026 and 40 years of institutional experience in buying, selling, financing and operating commercial real estate. DHC is headquartered in Newton, Massachusetts. Diversified Healthcare Trust was established in 1998 and is incorporated in Maryland.