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Liberty Property Trust Named One Of The Top Commercial Real Estate Firms In The Americas For Its Leadership In Environmental Practices

Florida Region’s Commitment to Sustainable Property Management Contributes to National Recognition

TAMPA, FL– December 12, 2011 – For the second year in a row, Liberty Property Trust (NYSE:LRY) has ranked in the top three among 64 North and South America-based commercial real estate companies and funds for its environmental and social performance. The international study – “GRESB 2011 Research Report” – was completed by the GRESB Foundation (Global Real Estate Sustainability Benchmark).

The GRESB study ranks commercial real estate companies and funds in North America, South America, Europe, Asia and Australia in the areas of Management, Policy & Disclosure, Strategy & Analysis, Monitoring & Environmental Management Systems, Performance Indicators, Certification, and Social Factors.

Equally important, Liberty placed in the top 19% among the340 real estate companies surveyed globally, to qualify for the top honor of being recognized as a GRESB “Green Star."

“The GRESB report is important not only because it helps us understand how our current sustainable practices measure up, but it also provides a tool that helps us identify the areas where we can make additional improvements,” said Marla Thalheimer, Liberty’s manager of sustainability. “We are committed to achieving a sustainable and high performance portfolio that provides extraordinary work environments for our tenants and this report is a valuable resource to help us achieve success.”

Liberty's Florida Region Expands Commitment to Sustainability
Liberty’s Tampa region has been particularly focused on expanding its commitment to sustainable practices. In 2008 the region completed its first LEED® Gold certified building, 4631 Woodland Corporate Boulevard, a class A office building – the first speculative office building in Florida to receive the LEED certification.

In the last year Liberty has received Energy Star certifications for four of its office buildings in Tampa, identifying each one with the EPA’s mark of superior energy efficiency. Liberty has reduced energy consumption an average of 30.3% from its 2008 baseline in each of its managed buildings, allowing the company to pass along cost savings to its tenants.

The region has also completed lighting retrofits with energy-saving fixtures and bulbs, installed real-time energy usage monitoring, launched an energy awareness education campaign with tenants and implemented the use of Green Seal Certified cleaning products. The team is using only low/no VOC paints and carpets in renovations and new development and has enhanced its recycling program in its own office and in buildings where it is responsible for waste management.

Liberty Property Trust was one of the earliest adopters of commercial real estate sustainable design and property management. The company began developing its first project, a LEED ® Gold certified office building in Allentown, Pennsylvania (now known as The Plaza at PPL) in 2001. Since then Liberty has invested more than $1.5 billion in 43 USGBC LEED registered and/or certified sustainable office and industrial buildings, including the 975’ foot high Comcast Center, one of the tallest green buildings in the United States, and the Philadelphia Navy Yard, the only commercial park to include seven LEED registered and certified buildings, earning Certified, Silver, Gold and Platinum certifications from the US Green Building Council.

In the last two years the developer has also completed more than 79 Energy Star certifications for buildings in 14 states.

The company has been recognized for its commitment to sustainable design and its positive impact on its tenants’ employees, the environment and its communities, receiving numerous awards for its approach and commitment to sustainability, including: the National Association of Industrial and Office Properties (NAIOP) 2008 Developer of the Year Award, the CoreNet Global 2008 Sustainability Leadership Award for Design & Development and the 2007 NAIOP Green Development Award. The company was also honored with the U.S. Green Building Council’s 2006 LEED Corporate Leadership Award.

About Liberty Property Trust
Liberty Property Trust owns and manages more than 2.8 million square feet of office and industrial space in Tampa.

Headquartered in Malvern, PA, Liberty is dedicated to enhancing people’s lives through extraordinary work environments. The real estate investment trust (REIT) serves customers in the United States and United Kingdom through the development, acquisition, ownership and management of superior office and industrial properties. Liberty's 78 million square foot portfolio offers exceptional locations and flexible design to more than 1,900 tenants at nearly 700 properties. The company is a leader in the development of high performance green buildings. For more information please visit

General Inquiries: Jody Johnston, Liberty Property Trust, 813/881-1776
Media Contact: Margo Hunt Winans, a.s.a.p.r., 757/404-8653