POLAR STAR MINING RECEIVES FINAL APPROVAL TO GRADUATE TO THE TORONTO STOCK
EXCHANGE

/NOT FOR DISTRIBUTION TO UNITED STATES WIRE SERVICES OR DISSEMINATION IN THE UNITED STATES/

TORONTO, Nov. 19, 2010 /CNW/ - Polar Star Mining Corporation ("Polar Star" or the "Company") (TSXV:
PSR) is pleased to announce that the Company has received final approval to graduate to the Toronto
Stock Exchange (the "TSX") from the TSX Venture Exchange. Trading of Polar Star's common shares will
commence at the opening of the TSX on Monday, November 22, 2010 under the symbol "PSR".
Douglas Willock, the Company's President and Chief Executive Officer, said "We are pleased to be
graduating to the TSX. It has been one of Polar Star's long time corporate goals. We welcome the
increased access to the capital markets and to the participants of the TSX as we build shareholder value
in Chile."

Forward-Looking Statements

This news release may contain forward-looking statements based on assumptions, uncertainties and
management's best estimates of future events. Actual events or results could differ materially from the
Company's expectations and projections. Investors are cautioned that forward-looking statements involve
risks and uncertainties. Accordingly, readers should not place undue reliance on forward-looking
statements. When used herein, words such as "anticipate", "will", "intend" and similar expressions are
intended to identify forward-looking statements. For a more detailed discussion of such risks and other
factors that could cause actual results to differ materially from those expressed or implied by such
forward-looking statements, refer to Polar Star Mining Corporation's filings with Canadian securities
regulators available on www.sedar.com or the Company's website at www.polarstarmining.com.

About Polar Star Mining Corporation

Polar Star Mining Corporation (TSXV: PSR) is an emerging exploration company with a focus on building
value in Chile through discovery and development. Its flagship property, Montezuma, covers 40
kilometres of the West Fault and the cross-cutting Esperanza Fault system and is located between
Codelco's Radomiro Tomic - Chuquicamata - Mansa Mina group of copper-molybdenum porphyry
deposits, and Antofagasta PLC's El Tesoro - Esperanza - Polo Sur group of copper-gold porphyry
deposits.

Share Capitalization
Shares outstanding: 90,410,435 as at November 19, 2010

Neither the TSX Venture Exchange, nor its Regulation Services Provider (as that term is defined in the
policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this
release.

For further information:

David Speck, Vice President
Polar Star Mining Corporation
[phone]
[email protected]