News Release

Macquarie Power & Infrastructure Income Fund to Hold Second Quarter Conference Call

TORONTO, Ontario (July 15, 2008) – Macquarie Power & Infrastructure Income Fund (TSX: MPT.UN; MPT.DB – “MPT”, the “Fund”) today announced that it will hold a conference call on Wednesday, August 13, 2008 at 8:30 a.m. ET to discuss the Fund’s financial and operating performance for the second quarter ended June 30, 2008.

The event will be hosted by Gregory Smith, President and Chief Executive Officer, and Harry Atterton, Vice President and Chief Financial Officer. To listen to the call, please dial 416-641- 6139 (Canada) or 1-866-542-4262 (North America). A replay of the call will be available until August 27, 2008, by dialling 416-695-5800 or 1-800-408-3053 and entering the passcode 3265537. The call will be accompanied by a live webcast with supporting slides, accessible in the Investor Centre section of the Fund’s website at www.macquarie.com/mpt .

The Fund’s second quarter results will be released after the close of market trading on Tuesday, August 12, 2008.

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% interest in Leisureworld Senior Care LP, a leading provider of long-term care, or social infrastructure, in Ontario. MPT is managed by a wholly-owned subsidiary of Macquarie Group Limited. Please visitwww.macquarie.com/mpt for additional information.

For further information, please contact:

Aaron Boles
Investor Relations
Tel: (416) 649 1325
Email: aboles@capstoneinfra.com