The Hartford and Boston offices of Holliday Fenoglio Fowler,specifically Managing Director Tim Breda and Senior ManagingDirector Riaz Cassum, represented the seller and procured the buyerin the transaction. Windsor Property Holdings is an entity of AFIInc. and ESCO Realty. AFI provides professional services related tothe development and management of commercial real estate primarilyfor affiliated accounts. ESCO Realty is a privately held realestate investment firm.

HFF officials note that Addison Corporate Center was originallybuilt in 1975 by Aetna as its data center and has undergoneextensive renovations over the last five years, including fullyrenovated common areas and cafeteria improvements, a new commonmultimedia conference room and an on-site health club.

The building also has extensive backup UPS systems and aredundant power source grid, they add. The one- and four-storybuildings are 95% leased to such tenants as: Bank of America,Genworth Financial, the Hartford Insurance Group, RR Donnelly andAetna.