News Release

Macquarie Power & Infrastructure Income Fund Declares May 2007 Cash Distribution

TORONTO, May 18, 2007 – Macquarie Power & Infrastructure Income Fund (TSX: MPT.UN – “MPT”, the “Fund”) today declared a cash distribution for the month of May 2007 of $0.08583 per trust unit. The distribution will be paid on June 15, 2007 to unitholders of record at the close of trading on May 31, 2007.

A distribution of $0.08583 per unit will also be paid on June 15, 2007 to holders of Class B Exchangeable Units of MPT LTC Holding LP, an indirect subsidiary entity of the Fund, of record on May 31, 2007.

About Macquarie Power & Infrastructure Income Fund
MPT invests in infrastructure assets with an emphasis on power infrastructure. MPT’s strategy is to acquire and actively manage a high-quality portfolio of long-life infrastructure assets to improve their financial performance and provide growing and sustainable distributions to unitholders for the long term. MPT’s infrastructure portfolio includes Cardinal, a 156MW gas-fired cogeneration power station in Ontario, and a 45% interest in Leisureworld, a leading long-term care provider in Ontario with over 30 years operating experience. MPT is managed by a wholly owned subsidiary of Macquarie Bank Limited and a member of the Macquarie group.

More information can be found at MPT’s website, www.macquarie.com/mpt.

For further information, please contact:

Harry Atterton
Chief Financial Officer
Tel: (416) 607 5198
Email: harry.atterton@macquarie.com

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