Bonterra Oil & Gas Ltd. Announces Cash Dividend for May Payable June 30, 2009

    CALGARY, June 4 /CNW/ - Bonterra Oil & Gas Ltd. (www.bonterraenergy.com)
(TSX: BNE) announces that the May monthly cash dividend will be $0.14 per
share (a two cent increase from the previous month) and will be paid on June
30, 2009. The dividend is paid monthly and is subject to commodity prices and
production levels.

    Bonterra Oil & Gas Ltd. is a conventional oil and gas corporation with
operations in Alberta, Saskatchewan and British Columbia. The shares are
listed on The Toronto Stock Exchange under the symbol "BNE".

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For further information:
For further information: George F. Fink, CEO, or Garth E. Schultz, Vice
President - Finance, and CFO, or Kirsten Kulyk, Manager, Investor Relations,
Telephone: (403) 262-5307, Fax: (403) 265-7488, Email:
info@bonterraenergy.com