NASDAQ:DHC PRICE: +0.07 1.35 YIELD: % +5.08% Volume: 1,410,213 March 29, 2023

Cautionary Language

The information appearing on DHC ’s website includes statements which constitute forward looking statements. These forward looking statements are based upon DHC ’s present intents, beliefs or expectations, but forward looking statements are not guaranteed to occur and may not occur. DHC ’s actual results may differ materially from those contained in DHC ’s forward looking statements. The information contained in DHC ’s filings with the Securities and Exchange Commission, including under “Risk Factors" and “Warnings Concerning Forward Looking Statements” in DHC ’s periodic reports and other filings, identifies important factors that could cause DHC ’s actual results to differ materially from those stated in DHC ’s forward looking statements. DHC ’s filings with the SEC are available on the SEC’s website at www.sec.gov and are also accessible on DHC ’s website at the following link: SEC Filings. You should not place undue reliance upon forward looking statements.

The documents provided in this archived section are provided for historical purposes only. The information contained in each document is accurate only as of the date each document was originally issued or such earlier date stated in those documents. Diversified Healthcare Trust does not undertake any obligation to update any information contained in these documents. For current information about the company, please refer to our most recent public SEC Filings.

Cautionary Language

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Diversified Healthcare Trust (Nasdaq: DHC) is a real estate investment trust (REIT) that owns approximately $7.1 billion of high-quality healthcare properties located in 36 states and Washington, D.C. DHC seeks diversification across the health services spectrum: by care delivery and practice type, by scientific research disciplines and by property type and location. DHC’s life science and medical office portfolio includes over 100 properties totaling approximately nine million square feet and is occupied by almost 500 tenants. DHC’s senior living portfolio contains more than 27,000 senior living units.

DHC is included in 152 market indices and comprises more than 1% of the following indices as of December31, 2022: BI North America Healthcare REIT Valuation Peers (BIHLCRNP), Bloomberg US Micro Cap Real Estate Price Return Index (BMICR) and Bloomberg Real Estate Investment Trust SmallCap Index (BBRESMLC).