OPI · Office Properties Income Trust

Office Properties Income Trust (“OPI” or the “Company”) today announced that it has successfully completed its financial restructuring and has emerged from Chapter 11. OPI achieved its objectives to strengthen its balance sheet, reduce debt, and position the Company for long-term operational stability. Pursuant to OPI’s Chapter 11 Plan of Reorganization confirmed by the U.S. Bankruptcy Court for the Southern District of Texas on April 22, 2026, OPI entered into the following transactions: Treatment of Debt Claims OPI’s $425 million revolving credit facility has been amended and restated and bears interest at 9.1%, and its $300 million of 9.0% Senior Secured Notes due March 2029 and $177 million of mortgage debt have been reinstated. Holders of OPI’s 3.25% Senior Secured Notes due March 2027 received approximately $385 million of newly issued 8.375% senior secured notes due December 2029 which require principal payments of $20 million in 2026, $30 million in 2027, $45 million in 2028,

Office Properties Income Trust (“OPI”) today announced that the characterization of dividends for 2025 income tax reporting purposes is as follows: OPI Common Shares Dividend Allocation Per Share Section Total Unrecaptured Section 897 Record Paid/Payable Dividends Ordinary 199A Qualified Capital Section 1250 Capital Return of Dates Dates Per Share Income Dividend(1) Dividend(2) Gain Gain(3) Gain Capital 01/27/25 02/20/25 $0.01 $0.0000 $0.0000 $0.0000 $0.0000 $0.0000 $0.0000 $0.0100 04/22/25 05/15/25 $0.01 $0.0000 $0.0000 $0.0000 $0.0000 $0.0000 $0.0000 $0.0100 TOTALS: $0.02 $0.0000 $0.0000 $0.0000 $0.0000 $0.0000 $0.0000 $0.0200