Polar Star Appoints David G. Speck Vice-President, Corporate Development

  Polar Star Mining Corporation (TSX VENTURE: POS)(PINK SHEETS: POSRF)("Polar Star" or the "Company") is pleased to announce the appointment of David G. Speck to Vice-President, Corporate Development of the Company. Mr. Speck has numerous years of experience in investor relations and corporate development including senior positions at O'Donnell Investment Management, Merrill Lynch Canada and Research Capital Corporation as well as serving as an independant investor relations officer for several publicly traded companies. Mr. Speck has been a director of Polar Star since August 1, 2007.

About Polar Star Mining Corporation

Polar Star was created to acquire advanced stage exploration properties focusing on gold, copper gold, and uranium. The Corporation's material assets include 20 projects in Chile, which are 100% owned and cover approximately 141,000 hectares. Polar Star announced the closing of a $5 million private placement on July 8, 2008 during which HudBay Minerals Inc. acquired 3,860,605 Units (approximately 9.9% of the outstanding shares of the Company, as at July 8, 2008).

Forward-Looking Statements

The statements made in this news release may contain forward-looking statements that may involve a number of risks and uncertainties. Actual events or results could differ materially from the Company's expectations and projections. Accordingly, readers should not place undue reliance on forward-looking statements. For a more detailed discussion of such risks and other factors, 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.

Share Capitalization:

Shares Outstanding: 39,164,098 as at August 7, 2008.

Business Television Feature:

Polar Star was selected and featured on Business Television in early March 2008. If you missed the show, please click on the link below to watch the full-feature http://www.b-tv.com/i/videos/PolarStar.wmv.

The TSX Venture Exchange has not reviewed and does not accept responsibility for the adequacy or accuracy of this release and the information contained herein.

Contacts: Polar Star Mining Corporation Douglas Willock President and CEO [phone] Email: [e-mail] Website: www.polarstarmining.com