TORONTO, ONTARIO--(Marketwire - Dec. 1, 2011) - Whiterock Real Estate Investment Trust ("Whiterock" or the "REIT") (TSX:WRK.UN) is pleased to announce that CivicAction's Greening Greater Toronto recognized Whiterock's 191 The West Mall office building in Toronto with a Race to Reduce Lowest Energy Use award in the under 500,000 square feet category. The award was based on building performance data submitted to the Real Property Association of Canada ("REALpac") for its 2011 Energy Benchmarking Survey. 191 The West Mall is one of Whiterock's prominent Class A office buildings located along the Highway 427 corridor in Toronto. The building comprises approximately 158,000 square feet, enjoys approximately 99% occupancy, and boasts SNC Lavalin as a principal tenant.

Whiterock joined the Race to Reduce smart energy office challenge as part of its corporate sustainability strategy and in response to the Race to Reduce's challenge to the Toronto region office building sector to reduce carbon emissions and improve air quality through energy reduction and efficiency. The Race to Reduce challenges Toronto region office building landlords and tenants to publicly commit to work together to reduce energy use in their buildings and to reduce the total energy use in participating office buildings by at least 10% over four years.

The Building Performance Awards were one of three award categories recognized at the inaugural Race to Reduce Awards ceremony. This annual event celebrates the results of unprecedented collaboration between landlords and tenants aimed at reducing total energy use. Close to 200 senior leaders of owners, managers, tenants, and service providers attended this prestigious event.

"As a leading Toronto office landlord, we are proud to have earned this important award," said Jason Underwood, Chief Executive Officer. "The Race to Reduce aligns with Whiterock's long-term commitment to energy reduction and broader sustainability initiatives."

About Whiterock REIT

Whiterock REIT is a growth-oriented diversified commercial REIT with a wholly-owned, co-owned, and long-term leased aggregate real estate portfolio that totals approximately 10.2 million square feet of gross leasable area across 79 properties, geographically diversified across 8 Canadian provinces and 2 U.S. states.

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