POS Polar Star Mining (Tier2)

Polar Star Mining Corporation ("Polar Star" or the "Company") (TSX
VENTURE:POS)(PINK SHEETS:POSRF) is pleased to announce that Adam Rochacewich,
CA, has been appointed as Polar Star's new Chief Financial Officer effective
June 1, 2008. Mr. Rochacewich, has several years experience in the area of
financial accounting and reporting. He has held financial positions with Xstrata
Plc, LionOre Mining International and Falconbridge Ltd. He holds a Bachelor of
Commerce degree from Queens University and is currently the Controller of Polar
Star and the Chief Financial Officer of Verena Minerals Corporation.


The Company wishes to thank Mr. H. Douglas Scharf, CA, who served as the
Company's Chief Financial Officer for 2 years. Mr. Scharf will continue as a
director of the Company.


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 17
projects in Chile, which are 100% owned and cover approximately 140,000
hectares.


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: 31,303,698 as at May 20, 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.btv.com/i/videos/PolarStar.wmv.

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