Press Release

Boston Capital Closes on $368 Million Apartment Portfolio.

April 11 , 2007

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Boston, MA – April 11, 2007 – Boston Capital announced the closing of Boston Capital Tax
Credit Fund XXVII, a nationally diversified portfolio of 37 affordable apartment properties in
18 states with a capitalization of $368 million.

“At a time of tight competition for investment dollars and quality multifamily assets, we are
very pleased with the properties acquired by this fund,” said Jack Manning, president and
CEO of Boston Capital. “The appetite for these investments is reflective of the quality of our
investment offerings. We will continue to provide our developer partners and our investors
the best finance and investment programs in the business.”

The portfolio acquired by Corporate Fund XXVII will add an additional 4,036 apartment
units to Boston Capital’s holdings, which currently totals over 157,000 apartments.

About Boston Capital:
Boston Capital, headquartered in Boston, MA, is a real estate investment and advisory firm
specializing in real estate and tax advantaged investments for multifamily housing, equity
investment in market rate apartment communities and renewable energy developments. As
of January 2007, Boston Capital’s holdings included over 2,700 multifamily apartment
properties in 48 states and the District of Columbia, constituting nearly 157,000
apartments with a development cost in excess of $11.5 billion. Boston Capital is the fourth
largest owner/investor of apartment properties in the country and the 11th largest owner of
real estate property in general.

For more information contact:
David Gasson
Vice President
Director of Corporate Communications
Boston Capital
One Boston Place
Boston, MA 02108-4406
(617) 624-8896