Pattern Development and Green Power Investment Complete 14 MW Kanagi Solar Power Project in Japan

KANAGI CITY, JAPAN, April 26, 2016 – Pattern Energy Group LP ("Pattern Development"), and Green Power Investment Corporation ("GPI") today announced the completion of the 14 megawatt (MW) Kanagi Solar photovoltaic (PV) power facility. Pattern Development and GPI are joint venture (JV) partners that developed and built the Kanagi Solar power facility, which is located in Shimane prefecture of Japan. GE Energy Financial Services, a General Electric unit, currently maintains an ownership stake in the project.

"Following our recent completion of Futtsu Solar, Kanagi Solar is now our second solar project to reach commercial operations this year, both on budget and on schedule," said Toshio Hori, CEO and founder of GPI. "We intend to build on these accomplishments in solar and expect similar successes in wind as well in the near future."

"With two solar projects now operational, we are beginning to deliver on our commitment to develop 1,000 MW of new renewable energy sources in Japan, with much more to come," said Mike Garland, President and CEO of Pattern Development. "Together with GPI, we have a broad and deep pipeline of both wind and solar projects. We look forward to developing additional renewable energy facilities that will help Japan reach its clean energy goals."

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The 14 MW Kanagi Solar Project in Japan

Kanagi Solar has a 20-year power purchase agreement with Chugoku Electric Power Company (CEPCO) for 100% of the output from the facility. The facility's high-quality PV solar panels are being supplied by Kyocera Solar Corporation, a Japanese subsidiary of Kyocera Corporation. Kyocera Communication Systems managed construction and will manage operations and maintenance of the Kanagi Solar facility.

In March, Pattern Development and GPI announced the completion of Futtsu Solar, a 42 MW PV solar power facility located in Japan's prefecture of Chiba.

Affiliate company Pattern Energy Group Inc. (NASDAQ: PEGI) (TSX: PEG) (Pattern Energy) had previously added the Kanagi and Futtsu Solar facilities to its list of identified Right of First Offer (iROFO) projects.

About GPI Green Power Investment Corp.
(GPI) is a developer, owner and operator of renewable energy assets. The President of GPI, Toshio Hori, was one of the earliest pioneers in renewable energy, having built some of the first large scale wind power projects in Japan, the United States and the United Kingdom. GPI is headquartered in Tokyo and has a team of professionals covering all areas of expertise necessary to operate and manage a full-scale renewable energy business. GPI's partnership with Pattern Energy Group LP has further strengthened GPI's capabilities in development, financing, operations and equipment procurement by providing access to the capital, expertise and buying power of a major player in the field of international renewable energy.

About Pattern Development
Pattern Energy Group LP (Pattern Development) is a leader in developing renewable energy and transmission assets. With a long history in wind energy, Pattern Development's highly-experienced team has developed, financed and placed into operation more than 4,000 MW of wind power projects. A strong commitment to promoting environmental stewardship drives the company's dedication in working closely with communities to create renewable energy projects. Pattern Development has offices in San Francisco, San Diego, Houston, New York, Toronto, Santiago, Chile, and Tokyo, Japan. For more information, visit www.patterndev.com.

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Contact:

Matt Dallas

Pattern Development
917.363.1333
matt.dallas@patternenergy.com