MINT announces June 2005 Distribution and Investment Update

TORONTO, June 15 /CNW/ - Middlefield Group is pleased to announce that a
distribution of $0.10 per trust unit will be payable on July 15, 2005 to MINT
Income Fund unitholders of record on June 30, 2005. MINT's total return for
the one year ending April 30, 2005, based on its net asset value, was 38.4%.

The asset class weightings for the MINT Investment Portfolio as at
May 31, 2005 were:

<<
     ---------------------------------------------------------
     Asset Class                           Portfolio Weighting
     ---------------------------------------------------------
     Business Trusts                                  37.2%
     ---------------------------------------------------------
     Oil and Gas Royalty Trusts                       32.4%
     ---------------------------------------------------------
     Real Estate Investment Trusts                    21.4%
     ---------------------------------------------------------
     Power and Pipeline Trusts                         7.3%
     ---------------------------------------------------------
     Cash                                              1.7%
     ---------------------------------------------------------

The Fund's Distribution Reinvestment Plan allows unitholders to
automatically reinvest monthly distributions in additional units of the Fund.
This feature provides unitholders with an excellent opportunity to benefit
from compounding by investing distributions at a high reinvestment rate.
Please contact your investment advisor or Middlefield to enroll in the Plan.

The trust units trade on the Toronto Stock Exchange under the symbol
MID.UN.

This press release contains forward-looking information. Actual future
results may differ materially. The risks, uncertainties and
other factors that could influence actual results are described in MINT's
annual report and other documents filed with regulatory
authorities.

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