ATLANTIC POWER CORPORATION (TSE:ATP) Files An 8-K Regulation FD Disclosure

Item 7.01 Regulation FD Disclosure.

On March23, 2017, APLP Holdings Limited Partnership (APLP
Holdings), a wholly-owned subsidiary of Atlantic Power
Corporation (the Company), will provide to the lenders under its
senior secured credit facilities the unaudited consolidated
financial statements of APLP Holdings for the years ended
December31, 2016 and 2015 (the APLP Holdings Financial
Statements), which are attached hereto as Exhibit99.1 and
incorporated by reference herein. The APLP Holdings Financial
Statements have been prepared in accordance with generally
accepted accounting principles in the United States and are
expressed in U.S. dollars. The information in this Item 7.01,
including Exhibit99.1, should be read in conjunction with the
information contained in the Companys filings under the
Securities Exchange Act of 1934, as amended (the Exchange Act).

The information in this Item 7.01, including Exhibit99.1, is
being furnished and shall not be deemed to be filed for purposes
of Section18 of the Exchange Act, or otherwise subject to the
liability of that Section, nor shall such information be deemed
to be incorporated by reference into any registration statement
or other document filed under the Securities Act of 1933, as
amended, or the Exchange Act, except as otherwise stated in that
filing. The Company does not undertake any obligation to update
the information contained in this Item 7.01, including
Exhibit99.1.

Item 9.01. Financial Statements and
Exhibits.

(d)Exhibits

About ATLANTIC POWER CORPORATION (TSE:ATP)

Atlantic Power Corporation (Atlantic Power) owns and operates a fleet of power generation assets in the United States and Canada. The Company’s power generation projects sell electricity to utilities and other commercial customers primarily under long-term power purchase agreements (PPAs). Atlantic Power operates through four segments: East U.S., West U.S., Canada and Un-Allocated Corporate. Atlantic Power’s power generation projects in operation have an aggregate gross electric generation capacity of approximately 2,140 megawatts (MW), in which its aggregate ownership interest is approximately 1,500 MW. The Company’s portfolio consists of interests in approximately 20 operational power generation projects across over nine states in the United States and approximately two provinces in Canada. The Company’s power generation projects are primarily located in California, the United States Mid-Atlantic, New York and the provinces of Ontario and British Columbia.

ATLANTIC POWER CORPORATION (TSE:ATP) Recent Trading Information

ATLANTIC POWER CORPORATION (TSE:ATP) closed its last trading session down -0.02 at 3.42 with 37,270 shares trading hands.