Bonterra Energy Income Trust Tax Information for 2006

    CALGARY, March 1 /CNW/ - Bonterra Energy Income Trust
(www.bonterraenergy.com) (TSX: BNE.UN) is pleased to provide the following tax
information to assist our Unitholders in the preparation of their 2005 income
tax returns.Canadian Tax Information
                           ------------------------

    The tax breakdown of the distributions is as follows:

                                                                  Percentage
                                                                 ------------

    Taxable Income (Other Income)                                     78.82%
    Return of Capital                                                 21.18%
                                                                 ------------
                                                                     100.00%
                                                                 ------------
                                                                 ------------

    It should be noted that the return of capital, to the extent the units are
in a taxable account, reduces the adjusted cost basis of your units. Kindly
consult your tax advisor if you require further information.

                             US Tax Information
                             ------------------

    Trust Units Held Outside a Qualified Retirement Plan
    ----------------------------------------------------

    With respect to cash distributions paid during the year to U.S. individual
Unitholders, 18.1 percent should be reported as a return of capital (to the
extent of the Unitholder's U.S. tax basis in their respective units) and 81.9
percent should be reported as "qualified dividends".

    Kindly consult your tax advisor for further information.

    Trust Units Held Within a Qualified Retirement Plan
    ---------------------------------------------------

    No amounts are required to be reported on a Form 1040 where Bonterra trust
units are held within a qualified retirement plan.Bonterra Energy Income Trust is a conventional oil and gas royalty trust
with operations in Alberta and Saskatchewan. Its units are listed on The
Toronto Stock Exchange under the symbol "BNE.UN".

    %SEDAR: 00017467E



For further information:
For further information: George F. Fink, President, and CEO or Garth E.
Schultz, Vice President - Finance, and CFO, Telephone: (403) 262-5307, Fax:
(403) 265-7488