The RMR Group Inc. Declares Quarterly Dividend on its Class A Common Stock and Class B-1 Common Stock, Payable on or About August 17, 2023

The RMR Group Inc. announced a regular quarterly cash distribution on its shares of Class A Common Stock and Class B-1 Common Stock of $0.40 per share ($1.60 per
share per year). This distribution will be paid to RMR’s shareholders of record as of the close of business on July 24, 2023 and distributed on or about August 17, 2023.