Nitassinan, Montréal, Kingsey Falls, August 22, 2018

FINALIZATION OF APUIAT WIND FARM PROJECT NEGOTIATIONS

Hydro-Québec and the Apuiat wind farm project’s partners, i.e. Société en commandite Apuiat, formed by participating Innu communities, and Boralex Inc., have announced that discussions held over the last few days were fruitful and led to the finalization of the negotiations regarding the 200 MW Apuiat wind farm project.

The negotiations resulted in an agreed version of a power purchase agreement. In order to comply with each party’s respective governance rules, it was agreed to put on hold the final steps leading to the approval and signature of the power purchase agreement.

After the electoral period, this version of the power purchase agreement will be submitted to the respective boards of directors.

The commercial aspects of the contract will not be disclosed.

About Hydro-Québec

Hydro-Québec’s mission is to provide its customers with a high-quality power supply while contributing significantly to Québec’s collective wealth. The companies’ hydroelectric facilities play a central role in the emergence of a low-carbon economy. As recognized leaders in hydropower and large transmission systems, Hydro-Québec exports clean, renewable power and commercializes its expertise and innovations on world markets.

About SEC APUIAT

SEC Apuiat is a limited partnership created by the Innu communities partnering in the Apuiat wind farm project, in order to enable them to invest and participate in the project.

About Boralex Inc.

Boralex develops, builds and operates renewable energy power facilities in Canada, France, the United Kingdom and the United States. A leader in the Canadian market and France’s largest independent producer of onshore wind power, the Corporation is recognized for its solid experience in optimizing its asset base in four power generation types—wind, hydroelectric, thermal and solar. Boralex ensures sustained growth by leveraging the expertise and diversification developed over the past 25 years. Boralex’s shares and convertible debentures are listed on the Toronto Stock Exchange under the ticker symbols BLX, BLX.DB and BLX.DB.A respectively. For more information, visit www.boralex.com or www.sedar.com. Follow us on Facebook, LinkedIn and Twitter.

-30-

Media information: