Uranium Star - Initial Trench Results on Green Giant Vanadium Project

    TORONTO, May 27 /CNW/ - Uranium Star Corp. (OTCBB:URST) (FRANKFURT:YE5)
("Uranium Star" or "the Company") announces it has received initial results
from the first 6 trenches on its Green Giant Vanadium Project in Madagascar.
    Extensive trenching, using two mechanical excavators, is being conducted
over anomalous vanadium trends and their strike extensions defined by the 2008
drilling program as well as geophysical and geochemical surveys. Initial
analytical results have been received utilizing the Company's hand-held XRF
units. Past experience indicates that these units very adequately generate
vanadium values that can be utilized with confidence. A comparison of the 2008
drill results between the XRF and commercial laboratory assays was very

    Trench Results

    A total of 5 complete trenches have been established to date which have
been mapped, sampled and analyzed with a sixth trench partially completed.
Distance between trenches is usually 200 meters. Trench results include 0.65%
V2O5 over 218 meters including 1.3% V2O5 over 32 meters from Trench T-09-02
and 0.63% V2O5 over 248 meters including 1.38% V2O5 over 58 meters in trench
T-09-03. Current trenching represents a strike length of 1.1 kilometers.
    The XRF units being used are state-of-the-art exploration tools that are
currently used for accurate, in-the-field analysis of rocks and soils thus
allowing the Company to more readily focus its attention on anomalous trends
without having to wait for assay/analytical results from commercial
    All trench samples are being sent to the NATA accredited Genalysis
Services Laboratory in Perth, Australia for verification of the XRF results. A
rigorous QAQC program is in place and being overseen by Taiga Consultants Ltd.
to ensure accuracy of analytical results.

    Previous Drilling

    The 2008 drilling indicated that vanadium values within the near-surface
oxide zone are enhanced over those from primary mineralization. The current
trenching program aims to provide a detailed assessment of the widths and
grade of this style of vanadium mineralization and ultimately use it to assist
in designing a drill program. The 2008 drilling results indicated that widths
of near surface vanadium could be as high as 50-100 meters or more.

    Significant Grades of Vanadium Mineralization Seen Over Widths of 200

    The initial trench results from the south end of the property indicate
that the near surface mineralization has widths that are far beyond the
Company's initial expectations. Significant grades of vanadium mineralization
have been seen over widths exceeding 200 meters. An extensive drill program is
planned for later in the year that will allow Uranium Star to calculate a
compliant resource statement that can be used in further economic assessments
of the deposit.
    The following table defines the XRF results for vanadium from the first
six trenches.

    Trench No.      UTM         UTM      Length     V2O5
                    From         To        (m)      (%)
    TR-09-001      501300      501420      120      0.51
    TR-09-002      501300      501518      218      0.65
    TR-09-002      501428      501460       32      1.30
    TR-09-003      501361      501609      248      0.63
    TR-09-003      501481      501539       58      1.38
    TR-09-004      501427      501653      226      0.52
    TR-09-004      501537      501587       50      1.01
    TR-09-005      501447      501457       10      0.24
    TR-09-005      501487      501575       88      0.27    Village
    TR-09-005      501543      501575       12      0.44
    TR-09-005      501602      501676       32      0.25    open to the east
    TR-09-006      501602      501632       30      0.44
    TR-09-006      501666      501676       10      0.61
    TR-09-006      501702      501748       46      0.42
    TR-09-006      501722      501728        6      0.28
    TR-09-006      501728      501748       20      0.67

    Trench 6 is still to be completed. Vanadium values of economic interest
are  present as the trench extends to the east. An initial interpretation
indicates that at the south end of the property there is a higher grade core
of greater than 1.0% V2O5 mineralization surrounded by somewhat lower grade


    The Company has received the results of preliminary metallurgical work to
determine what recoveries can be obtained from basic processing procedures.
The initial leach test results of both oxide and primary vanadium
mineralization are particularly encouraging. Bottle roll test results of oxide
material produced recoveries approaching 80% with definite indications that a
longer leach time would have produced better results. Primary material
produced recoveries of better than 70% with room for improvement.
    A scanning electron microprobe analysis has been completed on a suite of
core and rock samples to specifically identify the vanadium mineralogy.
Vanadium was found to occur in a variety of minerals, with most of the
vanadium found associated with silicate and oxide receptor minerals.
    To learn more about Uranium Star's Potential World Class Discovery of
Vanadium, please reference our 3 latest press releases on our website at

    December 15, 2008 - Uranium Star Confirms 21 Km Trend of Significant
    January 29, 2009 - Assay Results Indicate World-Class Vanadium Potential
    April 29, 2009 - Uranium Star Re-Commences Exploration on its Green Giant
Vanadium Project in Madagascar

    Bill Nielsen, P.Geo., Director and Project Manager is the qualified
person for this report.

    Taiga Consultants Ltd. is supervising Uranium Star's exploration
activities on the Green Giant Vanadium Project in Madagascar.

    WARNING: 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
expectations and projections set out herein.

    %SEDAR: 00025651E

For further information:

For further information: please visit our website at
www.uraniumstar.com; Or contact: Brent Nykoliation, Vice President of Business
Development, Uranium Star Corp., Toll Free: (800) 818-5442 or (416) 364-4911,
Email: bnykoliation@uraniumstar.com

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