Office Properties Income Trust (OPI) completed an exchange of an aggregate $865.2 million principal amount of its senior unsecured notes due 2025, 2026, 2027, and 2031, for $567.4 million of new senior secured notes due 2029. We view this transaction as distressed and tantamount to a default given that creditors received less than the full value they were originally promised. As a result, S&P Global Ratings lowered its issuer credit rating on OPI to 'SD' (selective default) and its issue-level rating on the company's 2025, 2026, 2027, and 2031 senior unsecured notes to 'D'. The company's existing senior unsecured notes due 2050 and senior secured notes due 2029 were not part of the exchange offer; therefore, our ratings on these