Bonterra Oil & Gas Ltd. Announces Ex-Dividend and Record Dates for Cash Dividend Payable June 30, 2009

    CALGARY, June 4 /CNW/ - Bonterra Oil & Gas Ltd. (www.bonterraenergy.com)
(TSX: BNE) announces the record date and ex-dividend date in respect to the
May monthly cash dividend of $0.14 per share (a two cent increase from the
previous month). The record date for the dividend is June 15, 2009, and the
ex-dividend date is June 11, 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