Atlantic Power Corporation Announces June 2014 Common Share Dividend

     Atlantic Power Corporation Announces June 2014 Common Share Dividend

PR Newswire

BOSTON, June 13, 2014

BOSTON, June 13, 2014 /PRNewswire/ --Atlantic Power Corporation (TSX: ATP)
(NYSE: AT) (the "Company" or "Atlantic Power") today announced its
distribution for the month of June 2014. A dividend of Cdn$0.03333 per common
share will be payable on July 31, 2014 to holders of record at the close of
business on June 30, 2014.

Tax Information for Shareholders

Atlantic Power Corporation designates its entire dividend to be an "eligible
dividend" pursuant to subsection 89(14) of the Income Tax Act (Canada) and its
equivalent in any provinces of Canada.

U.S. individual or other non-corporate taxpayers may be eligible for the
reduced rate of tax currently applicable to "qualified dividends" provided
that the investor meets the holding period and any other requirements.

The Company's common share dividend is subject to a 25% withholding tax rate
for holders that are not residents of Canada, which may be reduced pursuant to
an applicable tax treaty. The withholding tax rate is 15% for U.S.-resident
holders that qualify for the benefits of the Canada – U.S. Income Tax

Non-Canadian holders may be required by their brokers to complete a Form NR301
(or an equivalent form) in order to demonstrate their entitlement to a
treaty-reduced rate of withholding tax. U.S. and other non-Canadian holders
should consult their brokers about the requirement to provide such forms.

U.S. individuals holding shares in taxable accounts may be eligible to receive
a credit on their U.S. income tax return for this withholding tax. U.S.
individuals holding the Company's common shares in Individual Retirement
Accounts ("IRAs") may be exempt from withholding tax pursuant to the Canada –
U.S. Income Tax Convention.

Taxpayers should always seek their own independent qualified professionals
regarding the tax consequences of purchasing or owning common shares of the
Company. Individuals who believe the withholding tax exemption applies to
their IRA should contact their broker to determine how to claim the exemption.

About Atlantic Power

Atlantic Power owns and operates a diverse fleet of power generation assets in
the United States and Canada. Atlantic Power's power generation projects sell
electricity to utilities and other large commercial customers largely under
long-term power purchase agreements, which seek to minimize exposure to
changes in commodity prices. Its power generation projects in operation have
an aggregate gross electric generation capacity of approximately 2,945 MW in
which its aggregate ownership interest is approximately 2,024 MW. Its current
portfolio consists of interests in twenty-eight operational power generation
projects across eleven states in the United States and two provinces in

Atlantic Power trades on the New York Stock Exchange under the symbol AT and
on the Toronto Stock Exchange under the symbol ATP. For more information,
please visit the Company's website at www.atlanticpower.comor contact:

Atlantic Power Corporation
Amanda Wagemaker, Investor Relations
(617) 977-2700

Copies of financial data and other publicly filed documents are filed on SEDAR
at www.sedar.comor on EDGAR at "Atlantic Power
Corporation" or on the Company's website.

SOURCE Atlantic Power Corporation

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