We are in the CUSTOMER RETENTION BUSINESS

• Portfolio average occupancy down 10 basis points to 91.0% as compared to 91.1% for 1Q07

• Same-store average occupancy up 70 basis points to 91.2% as compared to 90.5% for 1Q07

• Customer retention ratio of 58% for 1Q08

• 71 renewals and expansions signed in 1Q08 for 413,000 SF

• 27 new leases signed in 1Q08 for 87,000 SF

• April 1, 2008 portfolio occupancy of 90.3%

• 91.2% leased after including 19 signed leases totaling 128,000 square feet not yet commenced