Capstone Infrastructure Corporation Declares May 2011 Dividend

TORONTO, ONTARIO--(Marketwire - May 18, 2011) -Capstone Infrastructure Corporation (TSX:CSE)(TSX:CSE.DB.A) (the "Corporation") today declared a dividend for the month of May 2011 of $0.055 per common share. The dividend will be paid on June 15, 2011 to common shareholders of record at the close of trading on May 31, 2011. The ex-dividend date is May 27, 2011.

A distribution of $0.055 per unit will also be paid on June 15, 2011 to holders of record on May 31, 2011 of Class B Exchangeable Units of MPT LTC Holding LP, a subsidiary entity of the Corporation.

The Corporation's dividends are designated "eligible" dividends for purposes of the Income Tax Act (Canada). An enhanced dividend tax credit applies to eligible dividends paid to Canadian residents.

About Capstone Infrastructure Corporation

Capstone Infrastructure Corporation's mission is to build and responsibly manage a high quality portfolio of infrastructure businesses in Canada and internationally in order to deliver a superior total return to shareholders through a combination of stable dividends and capital appreciation. The Corporation's portfolio currently includes investments in gas cogeneration, wind, hydro and biomass power generating facilities, representing approximately 350 MW of installed capacity, and a 33.3% interest in a district heating business in Sweden. The Corporation is also currently developing a 20 MW solar power facility in Ontario. Please visit the Corporation's website at www.capstoneinfrastructure.com for more information.