2012 December YID I I D Asset Class/Investment/Benchmark Endnotes Date Cost Value Flow Return Value Return Return Return Other Assets JP Morgan Chase - East Hampton 9/30/2007 3,784 3,784 Morgan Stanley Checking Account 12/31/2007 635,989 46,120 -3,724 678,386 T. Rowe 401(K) Retirement Plan [DJ 1/31/20

Carmen Z Robinson $283,316 Daniel Rothschild $200,000 Mathias Thomer $50,000 The Core Club 55th Street LLC $100,000 Other Assets $1,028,281 JP Morgan Chase - East Hampton $3,784 Morgan Stanley Checking Account $678,386 T. Rowe 401(K) Retirement Plan $346,112 Please note: The MV of BXP common stock does not includ

011 December YID I I I) Asset Class/investment/Oenchmark Endnotes Date Cost Value Flow Return Value Return Return Return Other Assets JP Morgan Chase - East Hampton 9/30/2007 3,784 3,784 Morgan Stanley Checking Account 12/31/2007 10,443,201 -7,179,429 258 3,264,030 T. Rowe 401(K) Retirement Plan (DJ 1

armen 2 Robinson $283,316 Daniel Rothschild $200,000 Mathias Thorner $50,000 The Core Club 55th Street LLC $100,000 Other Assets $3,613,926 JP Morgan Chase - East Hampton $3,784 Morgan Stanley Checking Account $3,264,030 T. Rowe 401(K) Retirement Plan $346,112 Confidential MorganStanley SmithBarney 120 EFTA00