Estimated Debt Service 90 Washington Street Acquisition — File 207606

Debt Service Calculator 1) $8,778,000 2) Enter borrowing conditions: Interest Rate (e.g., 3.5% as 3.5): 3.7500 Term ( enter 5 or more) 30 3) Indicate ("x") payment type. Check both for comparisons. Level Debt Service x Level Principal Projected annual payment Level Debt Service $492,337 Level Principal (Year One) Principal & Interest Interest only Level Debt Service $14,770,115 $5,992,115 Level Principal Year Level debt service ($) Year Level debt service ($) 1 492,337 21 492,337 2 492,337 22 492,337 3 492,337 23 492,337 4 492,337 24 492,337 5 492,337 25 492,337 6 492,337 26 492,337 7 492,337 27 492,337 8 492,337 28 492,337 9 492,337 29 492,337 10 492,337 30 492,337 11 492,337 12 492,337 13 492,337 14 492,337 15 492,337 16 492,337 17 492,337 18 492,337 19 492,337 20 492,337 Projected total payments over term. Enter amount to be borrowed. ESTIMATED DEBT SERVICE -ACQUISITION OF 90 WASHINGTON STREET