Brookfield Properties’ Bay Adelaide Centre Development to Be Built to LEED Gold Standard

October 03, 2007

Green Features, Sustainability Top Priorities at 2.6 Million Square Foot Project in Toronto CBD TORONTO--(BUSINESS WIRE)--Brookfield Properties Corporation (BPO: NYSE, TSX) and its Canadian-based subsidiary, BPO Properties Ltd. (BPP: TSX), today announced that the 2.6 million square foot Bay Adelaide Centre development in Toronto’s financial core will be built to a Leadership in Energy and Environmental Design (LEED) Gold standard, as specified by the Canada Green Building Council (CaGBC). The LEED Green Building Rating System is the internationally accepted scorecard for sustainable sites, water efficiency, energy and atmosphere, materials and resources, and indoor environmental quality. In achieving a LEED Gold standard, the entire Bay Adelaide Centre complex will produce an estimated 40% energy savings relative to other buildings built to the Canadian Model National Energy Code, and will feature state-of-the-art operating and life safety systems, including: * Lighting occupancy sensors; * Enhanced indoor air quality; * Low emitting materials; * Optimization of energy performance; * Indoor water use reduction features; * Rain water collection system; * Bicycle storage and changing rooms.

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