FEDERAL REALTY AND ZIPCAR ANNOUNCE PROGRAM TO OFFER ENVIRONMENTALLY-FRIENDLY CAR SHARING SERVICE TO PATRONS IN WASHINGTON, D.C. METRO AREA

ROCKVILLE, MD – May 18, 2011 – (RealEstateRama) — Federal Realty Investment Trust (NYSE:FRT) and Zipcar, Inc. (Nasdaq: ZIP) today announced a new program to provide patrons in Washington, D.C. and the metropolitan area access to the world’s leading car-sharing network from the Trust’s shopping centers. The cost-effective and convenient transportation amenity is available 24 hours a day, seven days a week to members of the community, ages 21 and older