Tax Information
The tax information provided below discusses certain tax considerations for U.S. taxpayers related to the purchase, ownership and disposition of our Shares and RDSs. U.S. taxpayers are advised to consult their own tax advisors concerning the U.S. tax consequences of an investment in our Shares or the RDSs.

22-Jun-2012 NBPEPI 2011 Annual Information Statement
22-Jun-2012 NBPE 2011 Annual Information Statement
22-Jun-2012 Notice to U.S. Shareholders of NBPE
09-Jun-2011 NBPEPI 2010 Annual Information Statement
09-Jun-2011 NBPE 2010 Annual Information Statement
11-Apr-2011 Notice to U.S. Shareholders of NBPE
24-Jun-2010 NBPEPI 2009 Annual Information Statement
24-Jun-2010 NBPE 2009 Annual Information Statement
19-May-2010 Notice to U.S. Shareholders of NBPE
23-Jul-2009 NBPEPI 2008 Annual Information Statement
23-Jul-2009 NBPE 2008 Annual Information Statement
03-Sep-2008 Tax Information Required for U.S. Shareholders of NBPE (Including Forms and Attachments)
03-Sep-2008 IRS Private Letter Ruling
01-Apr-2008 Certain Tax Considerations
01-Apr-2008 Notice to U.S. Taxpayers
01-Apr-2008 U.S. Taxpayer Data Request Form
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