PHILADELPHIA, Jun 10, 2011 (BUSINESS WIRE) --

Putting Down Roots: The groundbreaking ceremony for the new GlaxoSmithKline (GSK) Building at Philadelphia's Navy Yard Corporate Center included a tree planting ceremony that underscored developers Liberty Property Trust (NYSE:LRY) and Synterra Partners as well as GSK's commitment to sustainability. Planting three trees at the event were, (from left to right): Philadelphia Mayor Michael A. Nutter; Deirdre Connelly, President of North America Pharmaceuticals at GlaxoSmithKline; and Liberty CEO Bill Hankowsky. For more information about the event and the new building, please visit http://us.gsk.com/navyyard.html or call Robbie Raffish at 443/944-9301.

Photos/Multimedia Gallery Available: http://www.businesswire.com/cgi-bin/mmg.cgi?eid=6755409&lang=en

SOURCE: Liberty Property Trust

for Liberty Property Trust
a.s.a.p.r.
Robbie Raffish, 443-944-9301