Hydro One and Avista receive final order approving the merger from the Montana Public Service Commission

TORONTO and SPOKANE, WA, July 10, 2018 /CNW/ - Hydro One Limited ("Hydro One") (TSX: H) and Avista Corporation ("Avista") (NYSE: AVA) announced today that the Montana Public Service Commission ("the Commission") has issued its final order approving the proposed merger. The Commission voted to approve the proposed merger, with conditions on June 12, 2018. With this order, the merger has received all approvals in Montana.

"We are very pleased to have received regulatory approval from the Montana Public Service Commission," said Mayo Schmidt, President and CEO, Hydro One. "With regulatory approvals complete in Alaska and now Montana, we are well on our way to combining our two companies. With regulatory approvals still required in Oregon, Idaho and Washington, we anticipate completing the transaction later this year."

"We thank the Commission for its review and approval of our merger with Hydro One, which is a significant milestone in this process," Avista Chairman and Chief Executive Officer Scott L. Morris said. "This Commission's decision affirms the commitments we've made and brings us one step closer to realizing the benefits of the transaction for our customers, communities, employees and shareholders."

Applications for regulatory approval of the transaction are still pending with utility commissions in Washington, Idaho and Oregon. An all-parties, all-issues settlement agreement was filed with the Washington Utilities and Transportation Commission on March 27, 2018. An all-parties, all-issues settlement agreement was filed with the Oregon Public Utility Commission on May 25, 2018. A multiple party settlement agreement was filed with the Idaho Public Utilities Commission on April 13, 2018, with a hearing set for July 23, 2018.

Hydro One and Avista received approval with conditions from the Regulatory Commission of Alaska on June 4, 2018, concluding the merger proceeding in Alaska. Hydro One and Avista received the Federal Communications Commission's consent on May 4, 2018 to close their merger and antitrust clearance on April 5, 2018 after the expiration of the waiting period under the U.S. Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended. The transaction received approval from the Federal Energy Regulatory Commission on January 16, 2018 and from Avista shareholders on November 21, 2017. The Committee on Foreign Investment in the United States completed its review of the proposed merger on May 18, 2018, and has concluded that there are no unresolved national security concerns with respect to the transaction. Also required is the satisfaction of other customary closing conditions.

About Hydro One Limited
We are Ontario's largest electricity transmission and distribution provider with more than 1.3 million valued customers, over C$25 billion in assets and 2017 annual revenues of nearly C$6 billion. Our team of over 7,400 skilled and dedicated regular and non-regular employees proudly and safely serves suburban, rural and remote communities across Ontario through our 30,000 circuit km of high-voltage transmission and 123,000 circuit km of primary distribution networks. Hydro One is committed to the communities we serve, and has been rated as the top utility in Canada for its corporate citizenship, sustainability, and diversity initiatives. We are one of only five utility companies in Canada to achieve the Sustainable Electricity Company designation from the Canadian Electricity Association. We also provide advanced broadband telecommunications services on a wholesale basis utilizing our extensive fibre optic network through Hydro One Telecom Inc. Hydro One Limited's common shares are listed on the Toronto Stock Exchange (TSX: H).

Forward-Looking Statements and Information
This press release may contain "forward-looking information" within the meaning of applicable securities laws. Words such as "expect," "anticipate," "intend," "attempt," "may," "plan," "will", "can", "believe," "seek," "estimate," and variations of such words and similar expressions are intended to identify such forward-looking information. These statements are not guarantees of future performance or actions and involve assumptions and risks and uncertainties that are difficult to predict. Therefore, actual outcomes and results may differ materially from what is expressed, implied or forecasted in such forward-looking information. Some of the factors that could cause actual results or outcomes to differ materially from the results expressed, implied or forecasted by such forward-looking information, including some of the assumptions used in making such statements, are discussed more fully in Hydro One's filings with the securities regulatory authorities in Canada, which are available on SEDAR at www.sedar.com. Hydro One does not intend, and it disclaims any obligation, to update any forward-looking information, except as required by law.

About Avista Corporation
Avista Corporation is an energy company involved in the production, transmission and distribution of energy as well as other energy-related businesses. Avista Utilities is our operating division that provides electric service to 385,000 customers and natural gas to 350,000 customers. Its service territory covers 30,000 square miles in eastern Washington, northern Idaho and parts of southern and eastern Oregon, with a population of 1.6 million. Alaska Energy and Resources Company is an Avista subsidiary that provides retail electric service in the city and borough of Juneau, Alaska, through its subsidiary Alaska Electric Light & Power Company. Avista stock is traded under the ticker symbol "AVA." For more information about Avista, please visit www.myAvista.com.

This news release contains forward-looking statements regarding the company's current expectations. Forward-looking statements are all statements other than historical facts. Such statements speak only as of the date of the news release and are subject to a variety of risks and uncertainties, many of which are beyond the company's control, which could cause actual results to differ materially from the expectations. These risks and uncertainties include, in addition to those discussed herein, all of the factors discussed in the company's Annual Report on Form 10-K for the year ended Dec. 31, 2017 and the Quarterly Report on Form 10-Q for the quarter ended March 31, 2018.

SOURCE Hydro One Limited

Hydro One: Media: Jay Armitage, Director, Corporate Communications, [email protected], 416-345-6868; Investors: Omar Javed, Vice President, Investor Relations, [email protected], 416-345-5943; Avista: Media: Casey Fielder, Communications Manager, [email protected], 509-495-4916; Investors: Lauren Pendergraft, Investor Relations Manager, [email protected], 509-495-2998