EX-21.1 4 opi_123123xex211subsidiari.htm EX-21.1

Exhibit 21.1

OFFICE PROPERTIES INCOME TRUST

SUBSIDIARIES OF THE REGISTRANT

Name									State of Formation, Organization or Incorporation
First Potomac DC Holdings, LLC									Delaware
GOV NEW OPPTY LP									Delaware
GOV NEW OPPTY REIT									Maryland
Government Properties Income Trust LLC									Delaware
GPT Properties Trust									Maryland
SC Merger Sub LLC									Maryland
SIR Chicago LLC									Delaware
SIR Holdings Corporation									Maryland
SIR Operating Partnership LP									Delaware
SIR Properties Trust									Maryland