Press Release

Pattern Energy Celebrates Dedication of 150 MW Amazon Wind Farm in Indiana with Amazon Web Services

SAN FRANCISCO, California, August 5, 2016 – Pattern Energy Group Inc. (NASDAQ: PEGI) (TSX: PEG) (“Pattern Energy”) today celebrated the dedication of the 150 megawatt (MW) Amazon Wind Farm Fowler Ridge in Benton County, Indiana. The electricity supplies the electric grids that service Amazon Web Services (AWS) datacenters.

Grand Opening Dedication Ceremony at Amazon Wind Farm Fowler Ridge
Grand Opening Dedication Ceremony at Amazon Wind Farm Fowler Ridge

“It’s an honor to team with AWS and dedicate the new Amazon Wind Farm Fowler Ridge, which is now generating clean power for their growing business,” said Mike Garland, President and CEO of Pattern Energy. “We commend AWS on its vision and leadership in cloud computing and its commitment to sustainability. This demonstrates the strong and growing appetite for wind power from the country’s leading corporations.”

The Amazon Wind Farm Fowler Ridge consists of 65 Siemens 2.3 MW wind turbines with ‘Made in America’ components. The turbine blades, nacelles, towers, and transformers were manufactured in the United States. The 150 MW facility will create enough clean energy to power 46,000 homes each year, according to average annual residential energy use data from the U.S. Energy Information Administration.

“Siemens is proud that workers at our factories in the Midwest produced the turbines for the Amazon Wind Farm Fowler Ridge, which continues an exciting trend of technology companies and major corporations turning to wind power for their energy needs. As wind becomes an increasingly important part of our nation’s energy mix, we are pleased to partner once again with Pattern Energy to deliver sustainable and affordable wind energy,” said Jacob Andersen, CEO Onshore Americas, Siemens Wind Power and Renewables Division.

An average of 175 workers were on site during construction, which was managed by Mortenson Construction, with up to 300 workers on site during peak construction activity. There are ten full-time permanent workers to operate and maintain the facility. The Amazon Wind Farm Fowler Ridge is expected to add an estimated $45 million over 25 years to the regional economy through property taxes, landowner royalties, and support for local causes.

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About Pattern Energy
Pattern Energy Group Inc. is an independent power company listed on The NASDAQ Global Select Market and Toronto Stock Exchange. Pattern Energy has a portfolio of 17 wind power facilities, including one it has agreed to acquire, with a total owned interest of 2,554 MW in the United States, Canada and Chile that use proven, best-in-class technology. Pattern Energy’s wind power facilities generate stable long-term cash flows in attractive markets and provide a solid foundation for the continued growth of the business. For more information, visit www.patternenergy.com.

Cautionary Statement Regarding Forward-Looking Statements
Certain statements contained in this press release constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995 and “forward-looking information” within the meaning of Canadian securities laws, including statements regarding the number of homes to be powered by such wind facility, and the amount of property taxes, landowner royalties, and support for local causes such wind facility will add to the regional economy over 25 years. These forward-looking statements represent Pattern Energy’s expectations or beliefs concerning future events, and it is possible that the results described in this press release will not be achieved. These forward-looking statements are subject to risks, uncertainties and other factors, many of which are outside of Pattern Energy’s control, which could cause actual results to differ materially from the results discussed in the forward-looking statements.

Any forward-looking statement speaks only as of the date on which it is made, and, except as required by law, Pattern Energy does not undertake any obligation to update or revise any forward-looking statement, whether as a result of new information, future events or otherwise. New factors emerge from time to time, and it is not possible for Pattern Energy to predict all such factors. When considering these forward-looking statements, you should keep in mind the risk factors and other cautionary statements in Pattern Energy’s annual report on Form 10-K and any quarterly reports on Form 10-Q. The risk factors and other factors noted therein could cause actual events or Pattern Energy’s actual results to differ materially from those contained in any forward-looking statement.