Trenching at Igor Returns 1.2 g/t of Gold Over 48 Meters

    CALGARY, April 26 /CNW/ - Sienna Gold Inc. (SGP.V TSX Venture Exchange)
reports the results of its latest soil, trench and rock sampling program. This
program was designed to test the potential for porphyry gold-copper
mineralization at Igor, following the recognition in 2006 of widespread
classic porphyry-style (phyllic) alteration and of porphyry intrusions.
Previously the potential was thought to be entirely hosted by structures, such
as the Tesoros Zone, drilled in 2006.
    Results received so far confirm the presence of mineralized porphyry
intrusions over a strike length of at least 2 km. A 48 meter trench across one
porphyry outcrop resulted in an average of 1.2 grams per tonne of gold. A
15 meter interval within the trench averaged 2.2 grams per tonne of gold.
    The geochemical pathfinder elements for gold are also strongly anomalous
over a strike length of more than two kilometres. An unusually strong
molybdenum anomaly, with values up to 0.07% Mo, occurs on the ridge axis at
Igor (Domo). This may point to the strongly mineralized core of a gold-copper
porphyry system. All these features are viewed as very positive.
    Continued soil, trench and rock sampling is being undertaken. This work
will fill in data gaps and is expected to extend mineralization. The company
has drill permits and expects to test the geochemical anomalies within
3 months.

    Sampling Methodology

    Rock chip, channel and soil samples were taken at regular intervals along
pre-determined sampling lines. Complete descriptions of the samples were
recorded (rock type, alteration, structure, mineralization) and the samples
were sent for geochemical analysis.

    Assaying Methodology

    The samples were analyzed by ALS Chemx Laboratories in Lima by
inductively coupled plasma atomic emission spectroscopy ("ICP-AES") analysis
for silver and 33 other elements and a 30 gram fire assay technique for the
gold analysis. Samples which exceeded the detection limits were re-assayed
using a gravimetric fire assay technique. The specific procedures used by the
lab can be found in the company's 43-101 report on the Igor property.

    Sienna Gold Inc. continues to explore in Peru for precious and base
metals. Its major projects are Igor and Pachin Alto which are the focus of the
Company's activities.

    This press release has been reviewed and approved by Murray Lytle, P.Eng.
who is the company's Qualified Person.

    The TSX Venture Exchange has neither approved nor disapproved of the
    information contained herein.

    Statements in this press release regarding the Company's business which
are not historical facts are "forward-looking statements" that involve risks
and uncertainties, such as estimates and statements that describe the
Company's future plans, objectives or goals, including words to the effect
that the Company or management expects a stated condition or result to occur.
Since forward-looking statements address future events and conditions, by
their very nature, they involve inherent risks and uncertainties. Actual
results in each case could differ materially from those currently anticipated
in such statements.

    %SEDAR: 00008773E

For further information:

For further information: John Rucci, President, (403) 508-2061, or by

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