What does ACQSUM stand for?

Acquisition Summary During the third quarter of 2006, A.

Acquisition Summary ------------------------ Leased March 31, Percentage 2006 Investment Acquisition Square at Leased (in Date Feet Acquisition Percentage(1) thousands) ----------- -------- ----------- ------------- ---------- Hampton Overlook 02/14/06 134,700 88% 88% $ 10,040 Capital Heights, MD Hampton South 02/14/06 168,300 63% 63% $ 13,060 Capital Heights, MD ---------- Total $ 23,100 ========== (1) At acquisition and March 31st, the Hampton portfolio was 74.

ACQUISITION SUMMARY HAMPTON COURT ---------------------------------------------------------------------- Hampton Court is a class "A" building on a 1.

ACQUISITION SUMMARY GREENHILL PARK Greenhill Park is a class "A" building on a 5.

ACQUISITION SUMMARY FINANCIAL PLAZA BUILDING ---------------------------------------------------------------------- Scottsdale Norte is a Class "A" two-story building on a 5.

7% ====== ====== ====== Acquisition Summary (c) Gross annualized revenue acquired $23 $35 (d) $35 ====== ====== ====== Total consideration $16 $66 $46 ====== ====== ====== Cash paid for acquisitions $13 $38 $41 ====== ====== ====== (a) The Statement of Operations Summary Data prior year information has been reclassified to conform to the current year presentation.

7% ======= ======= ======= Acquisition Summary (b) Gross annualized revenue acquired $35 $8 $26 ======= ======= ======= Total consideration $46 $14 $51 ======= ======= ======= Cash paid for acquisitions $41 $12 $49 ======= ======= ======= (a) EBITDA is defined herein as income from operations excluding depreciation and amortization and asset impairments and unusual items.

1% ========= ========= ========= Acquisition Summary ------------------- Gross annualized revenue acquired $26.