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BMO Reaffirms Commitment to Sustainable Development with Purchase of Green Electricity from Bullfrog Power Up to 53 branches to become bullfrogpowered(TM)

BMO Financial Group and Bullfrog Power announced today that BMO has purchased 5,000 Megawatt Hours per year of clean, emission-free electricity from Bullfrog Power. Up to 53 branches in Ontario and Alberta will be bullfrogpowered(TM), including the bank's flagship branches at First Canadian Place in Toronto and First Canadian Centre in Calgary.

“Companies like ours have a responsibility to take a leadership role in the fight against climate change – to go where our customers are going,” said Bill Downe, President and CEO, BMO Financial Group. This means that we must adopt and integrate environmental best practices into everything we do.” Mr. Downe announced the agreement this morning during his speech at the Scotia Capital Markets Financials Summit in Toronto.

“It is part of our Environmental Policy to encourage a green workplace through programs that promote energy efficiency, recycling and waste minimization,” said Jim Johnston, Director, Environmental Sustainability, BMO Financial Group. “With this investment, BMO becomes the premier financial institution on the bullfrogpowered Green Index. It shows our leadership in the area of environmental sustainability and will ultimately reduce our overall carbon emissions footprint by more than 3000 tonnes per year.”

“By choosing to support renewable power from 100 per cent EcoLogo-certified generation, BMO's bullfrogpowered locations are making an important contribution to creating a healthier environment in Canada and fighting global climate change,” said Tom Heintzman, President, Bullfrog Power. “Through this significant commitment, BMO is not only demonstrating its leadership in environmental stewardship today, but also playing a major long-term role in furthering the development of renewable power generation in Canada.”

About BMO Financial Group
Established in 1817 as Bank of Montreal, BMO Financial Group is a highly diversified North American financial services organization. With total assets of $359 billion as at July 31, 2007, and more than 35,000 employees, BMO provides a broad range of retail banking, wealth management and investment banking products and solutions. BMO Financial Group serves clients across Canada through its Canadian retail arm, BMO Bank of Montreal, and through its wealth management firms BMO Nesbitt Burns, BMO InvestorLine and BMO Harris Private Banking. BMO Capital Markets, our North American investment and corporate banking division, provides a full suite of financial products and services to our North American and international clients. BMO also serves personal and commercial clients in the United States through Chicago-based
Harris, an integrated financial services organization that provides more than one million personal and business clients with banking, lending, investing, financial planning, trust administration, portfolio management, family office and wealth transfer services.

About Bullfrog Power
Bullfrog Power is a leading provider of 100 per cent green electricity. Founded in 2005, Bullfrog provides homes and businesses in Alberta and Ontario with an easy way to go green and help create a cleaner, healthier environment for future generations. All of Bullfrog's power comes from clean, renewable sources like wind power and low-impact water power that displace polluting and carbon-intensive sources like coal. Bullfrog sources power exclusively from generators that have received Environment Canada's Environmental Choice(M) Program EcoLogo(M) certification. Thousands of Canadian homeowners and hundreds of businesses have made the decision to become "bullfrogpowered(TM)" and support the generation of clean, renewable power.

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TORONTO, September 11, 2007 – Jim Johnston (right), Director, Environmental Sustainability, BMO Financial Group and BMO the Bear welcome Tom Heintzman, President, Bullfrog Power to BMO's flagship branch in Toronto. BMO and Bullfrog Power announced that BMO has purchased clean, emission-free electricity for up to 53 branches from Bullfrog, making BMO the premier financial institution on the bullfrogpowered Green Index.