NORTHERN SUN MINING CORP LBEFF

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ALTERNATIVE MONTHLY REPORTING
UNDER NATIONAL INSTRUMENT No. 62-103
Re: EARLY WARNING REPORTING SYSTEM
Alternative Reporter: Sentry Select Capital Corp.
Suite 2850
130 King Street West
Toronto, Ontario M5X 1A4
Reporting Issuer: Liberty Mines Inc.
Report Period: November 30, 2007
Report of Share Acquisitions:
Sentry Select Capital Corp. reports that, as result of recent purchases, one or more of its
mutual funds or other managed client accounts held in the aggregate 8,616,050 shares of
the Reporting Issuer at the end of the month of November 2007, representing, based on
Sentry Select Capital Corp.’s understanding, approximately 10.49% of the total shares
outstanding.
Purpose of Acquisition:
The securities were acquired for investment purposes only and not for the purposes of
exercising control or direction over the Reporting Issuer. Sentry Select Capital Corp. acts
as an investment manager on behalf of its mutual funds or other managed client accounts
and, in respect of the acquired shares, specifically disclaims any beneficial ownership.
Sentry Select Capital Corp. mutual funds or other managed client accounts may, from
time to time, acquire additional shares, dispose of some or all of the existing shares or
additional shares or may continue to hold the shares.
General Nature and Material Terms of Any Agreement with Reporting Issuer:
Sentry Select Capital Corp. has not entered into any acquisition agreements with Liberty
Mines Inc., or any other entity in respect to the shares of Liberty Mines Inc.
Joint Actors:
Except with respect to its investment management relationship with its clients, Sentry
Select Capital Corp. is not a joint actor with anyone else in connection with this report.
Reliance Upon Exemption:
This report has been issued in reliance of the alternative reporting exemption described in
National Instrument No. 62-103 respecting Early Warning Reporting. Neither Sentry
Select Capital Corp. nor any of its accounts presently intend to:
(a) make a formal take-over bid for any securities of the Reporting Issuer; or
(b) propose a reorganization, amalgamation, merger, arrangement or similar
business combination with the Reporting Issuer which would result in Sentry
Select Capital Corp.’s mutual funds or other managed client accounts
controlling the issuer, alone or with others.
Contact Person:
For further information:
Ryan Caughey
Corporate Secretary
Sentry Select Capital Corp.
Suite 2850, 130 King St. W.
Toronto, Ontario M5X 1A4
Telephone: [phone]
Date and Signature:
This report is dated December 10, 2007 and is signed by an authorized officer of the
Alternative Reporter.
SENTRY SELECT CAPITAL CORP.
“Ryan Caughey”
_____________________________________
Ryan Caughey, Corporate Secretary