Macquarie Power & Infrastructure Income Fund Declares May 2008 Cash Distribution

TORONTO, ONTARIO, May 20 (MARKET WIRE) --
Macquarie Power & Infrastructure Income Fund (TSX: MPT.UN)(TSX: MPT.DB)
("MPT", the "Fund") today declared a cash distribution for the month of
May 2008 of $0.08750 per trust unit. The distribution will be paid on
June 16, 2008 to unitholders of record at the close of trading on May 30,
2008.

A distribution of $0.08750 per unit will also be paid on June 16, 2008 to
holders of record on May 30, 2008 of Class B Exchangeable Units of MPT
LTC Holding LP, an indirect subsidiary entity of the Fund.

About Macquarie Power & Infrastructure Income Fund

Macquarie Power & Infrastructure Income Fund invests in essential
infrastructure assets in North America with an emphasis on power
infrastructure. MPT's strategy is to acquire and actively manage a
diverse, high quality portfolio of infrastructure assets to improve their
financial performance and provide growing and sustainable distributions
to unitholders. MPT's portfolio includes investments in gas cogeneration,
wind, hydro and biomass power generating facilities, representing
approximately 350 MW of installed capacity, and a 45% indirect interest
in Leisureworld Senior Care LP, a leading provider of long-term care, or
social infrastructure, in Ontario. MPT is managed by an affiliate of
Macquarie Group Limited. Please visit www.macquarie.com/mpt for
additional information.

Forward-looking Statements

Certain statements in this news release may constitute forward-looking
statements, which involve known and unknown risks, uncertainties and
other factors that may cause the actual results to be materially
different from any future results expressed or implied by such
forward-looking statements. Forward-looking statements use such words as
"may", "will", "anticipate", "believe", "expect", "plan" and other
similar terminology. These statements reflect current expectations
regarding future events and operating performance and speak only as of
the date of this news release. Forward-looking statements involve
significant risks and uncertainties, should not be read as guarantees of
future performance or results, and will not necessarily be accurate
indications of whether or not such results will be achieved. A number of
factors could cause actual results to differ materially from the results
discussed in the forward-looking statements, including, but not limited
to: risks associated with the Fund's gas cogeneration, wind, hydro and
biomass power generating assets and the power industry generally; risks
associated with MPT's interest in Leisureworld and the long-term care
sector; risks associated with the structure of MPT; and risks associated
with business, regulatory and economic conditions. The risks and
uncertainties described above are not exhaustive and other events and
risk factors including risk factors disclosed in MPT's filings with
Canadian securities regulatory authorities could cause actual results to
differ materially from the results discussed in the forward-looking
statements.

The forward-looking statements contained in this news release are based
upon information currently available and what the Fund currently believes
are reasonable assumptions. However, the Fund cannot assure investors
that actual results will be consistent with these forward-looking
statements. These forward-looking statements are made as of the date of
this news release, and the Fund and the Manager assume no obligation to
update or revise them to reflect new events or circumstances. The Fund
cautions readers not to place undue reliance on any forward-looking
statements, which speak only as of the date made.

Macquarie Power & Infrastructure Income Fund is not an authorised deposit
taking institution for the purposes of the Banking Act (Cth) 1959 and
Macquarie Power & Infrastructure Income Fund's obligations do not
represent deposits or other liabilities of Macquarie Bank Limited ABN 46
008 583 542 (MBL). MBL does not guarantee or otherwise provide assurance
in respect of the obligations of Macquarie Power & Infrastructure Income
Fund.

Contacts:
Macquarie Power & Infrastructure Income Fund
Harry Atterton
Vice President & Chief Financial Officer
(416) 607-5198
Email: harry.atterton@macquarie.com

Macquarie Power & Infrastructure Income Fund
Sarah Borg-Olivier
Vice President, Investor Relations
(416) 607-5009
Email: sarah.borg-olivier@macquarie.com
Website: www.macquarie.com/mpt

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