Exhibit 21.1
BRANDYWINE REALTY TRUST
SUBSIDIARIES
AAPOP 1, L.P., a Delaware limited partnership AAPOP 2, L.P., a Delaware limited
partnership
AAPOP 3, L.P., a Delaware limited partnership
AAPOP Umbrella, L.P., a Delaware limited partnership
Brandywine 1676, L.P., a Delaware limited partnership
Brandywine Ambassador, L.P., a Pennsylvania limited partnership
Brandywine Berwyn SPE, L.P., a Pennsylvania limited partnership
Brandywine Dominion, L.P., a Pennsylvania limited partnership
Brandywine F.C., L.P., a Pennsylvania limited partnership
Brandywine Grande B, L.P., a Delaware limited partnership
Brandywine I.S., L.P., a Pennsylvania limited partnership
Brandywine Norriton, L.P., a Pennsylvania limited partnership
Brandywine Operating Partnership, L.P., a Delaware limited partnership
Brandywine P.M., L.P., a Pennsylvania limited partnership
Brandywine TB Inn, L.P., a Pennsylvania limited partnership
Brandywine Realty Partners, a Pennsylvania general partnership
Brandywine TB I, L.P., a Pennsylvania limited partnership
Brandywine TB II, L.P., a Pennsylvania limited partnership
Brandywine TB V, L.P., a Pennsylvania limited partnership
Brandywine TB VI, L.P., a Pennsylvania limited partnership
Brandywine Tysons, L.P., a Delaware limited partnership
C/N Iron Run Limited Partnership III, a Pennsylvania limited partnership
C/N Leedom Limited Partnership II, a Pennsylvania limited partnership
C/N Oaklands Limited Partnership I, a Pennsylvania limited partnership
C/N Oaklands Limited Partnership III, a Pennsylvania limited partnership
Fifteen Horsham, L.P., a Pennsylvania limited partnership
Five/Oliver Brandywine Partner, L.P., a Pennsylvania limited partnership
Iron Run Limited Partnership V, a Pennsylvania limited partnership
LC/N Horsham Limited Partnership, a Pennsylvania limited partnership
LC/N Keith Valley Limited Partnership I, a Pennsylvania limited partnership
Newtech III Limited Partnership, a Pennsylvania limited partnership
Newtech IV Limited Partnership, a Pennsylvania limited partnership
Nichols Lansdale Limited Partnership III, a Pennsylvania limited partnership
Witmer Operating Partnership I, L.P., a Delaware limited partnership
Brandywine Central, L.P., a Pennsylvania limited partnership
Brandywine 3 Paragon Drive Partnership, a New York general partnership
Brandywine 55 Ames Court Partnership, a New York general partnership
Brandywine Engineers Lane Partnership, a New York general partnership
Brandywine National Road Partnership, a New York general partnership
Brandywine Phillips Parkway Partnership, a New Jersey general partnership
Brandywine Broad Street Partnership, a New York general partnership
Brandywine Axinn Avenue Partnership, a New York general partnership
Brandywine Durham Partnership, a New Jersey general partnership
Interstate Center Associates, a Virginia general partnership
Iron Run Venture I, a Pennsylvania general partnership
IR Northlight II Associates, a Pennsylvania general partnership
Iron Run Venture II, a Pennsylvania general partnership
AAP Sub One, Inc., a Delaware corporation
AAP Sub Two, Inc., a Delaware corporation
AAP Sub Three, Inc., a Delaware corporation
AAP Sub Four, Inc., a Delaware corporation
Atlantic American Land Development, Inc., a Delaware corporation
AAP 1-49, Inc., 49 separate Delaware corporations
Brandywine Grande B Corp., a Delaware corporation
Brandywine Holdings, I, Inc., a Pennsylvania corporation
Brandywine Holdings II, Inc., a Pennsylvania corporation
Brandywine Holdings III, Inc., a Pennsylvania corporation
Brandywine Realty Services Corporation, a Pennsylvania corporation
Brandywine SPE Corp., a Pennsylvania corporation
1100 Brandywine, LLC, a Delaware limited liability company
Brandywine 263 Old Country Road, L.L.C., a New York limited liability company
Brandywine Acquisitions, LLC, a Delaware limited liability company
Brandywine Ambassador, LLC, a Pennsylvania limited liability company
Brandywine Axinn I, LLC, a Delaware limited liability company
Brandywine Axinn II, LLC, a Delaware limited liability company
Brandywine Berwyn SPE, L.L.C., a Pennsylvania limited liability company
Brandywine Brokerage Services, LLC, A New Jersey limited liability company
Brandywine Chestnut Ridge, L.L.C., a New Jersey limited liability company
Brandywine Dabney, L.L.C., a Delaware limited liability company
Brandywine Dominion, L.L.C., a Pennsylvania limited liability company
Brandywine F.C., L.L.C., a Pennsylvania limited liability company
Brandywine I.S., L.L.C., a Pennsylvania limited liability company
Brandywine Interstate 50, L.L.C., a Delaware limited liability company
Brandywine Leasing, LLC, a Delaware limited liability company
Brandywine - Main Street, LLC, a Delaware limited liability company
Brandywine Norriton, L.L.C., a Pennsylvania limited liability company
Brandywine P.M., L.L.C., a Pennsylvania limited liability company
Brandywine Piazza, L.L.C., a New Jersey limited liability company
Brandywine Plaza 1000, L.L.C., a New Jersey limited liability company
Brandywine Promenade, L.L.C., a New Jersey limited liability company
Brandywine TB Inn, L.L.C., a Pennsylvania limited liability company
Brandywine TB I, L.L.C., a Pennsylvania limited liability company
Brandywine TB II, L.L.C., a Pennsylvania limited liability company
Brandywine TB III, L.L.C., a Pennsylvania limited liability company
Brandywine TB V, L.L.C., a Pennsylvania limited liability company
Brandywine TB VI, L.L.C., a Pennsylvania limited liability company
Brandywine Trenton Urban Renewal, L.L.C., a Delaware limited liability company
Brandywine Tysons, L.L.C., a Delaware limited liability company Brandywine
Witmer, L.L.C., a Pennsylvania limited liability company
Brandywine Industrial Partnership, L.P., a Delaware limited partnership
Brandywine Tysons International Partners, a Delaware general partnership
1000 Chesterbrook Boulevard Partnership, a Pennsylvania general partnership
Christiana Center Operating Company I LLC, a Delaware limited liability company
Christiana Center Operating Company II LLC, a Delaware limited liability company
Christiana Center Operating Company III LLC, a Delaware limited liability
company
Two Tower Bridge Associates, a Pennsylvania limited partnership
Four Tower Bridge Associates, a Pennsylvania limited partnership
Five Tower Bridge Associates, a Pennsylvania limited partnership
Six Tower Bridge Associates, a Pennsylvania limited partnership
Interstate 202 General Partnership, a Pennsylvania general partnership
Plymouth Meeting General Partnership, a Pennsylvania general partnership
Atlantic American Properties Trust, a Maryland real estate investment trust