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 1/31/2007 153,855 346,112 346,112 0.0% 0.0% 8.1% Total Other Assets 1/31/2007 $153,855 $985,885 $46,120 ($3,724)

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 include accruals. The total amount will not match the amount on the "det

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 1/31/2007 153,855 346,112 346,112 0.0% 7.4% 9.9% Total Other Assets 1/31/2007 $153,855 $10,793,097 ($7,179,429) $2

e 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 EFTA00284462 Mortimer B. Zuckerman Balance Sheet - As of December 31, 2