As part of the deal, Forest Labs will give back 22,785 sf at thenearby Harborside Financial Center Center Plaza 3, which would haveexpired in approximately 18 months. The company's most recent dealat Harborside 5 came in 2005 when it boosted itsthen-presence to 180,000 sf with a 36,452-sf lease for 12 years.The research division's presence at Harborside dates to early 2002when in two separate leases it took a total of 143,000 sf in aheadquartersmove across the river from Manhattan. The multiple leasesat Plaza 5 are now all set to run concurrently.

"We're delighted that Forest Research Institute has expanded itspresence while consolidating at this waterfront office tower," saysMitchell Hersh, president and CEO of the Edison, NJ-basedMack-Cali, in a statement. "Harborside Financial Center continuesto attract and retain leading businesses from a diversity ofindustries."

The latest signing was orchestrated for Forest ResearchInstitute by Arthur Rosenbloom of Newmark Knight Frank, whileMack-Cali was represented in-house by senior director of leasingThomas Savoca. Further details were not released; availabilities atHarborside Financial Center generally command $35 per sf for directspace and $30 per sf for sublet space.