CME Celtic Minerals Ltd (Tier2)

NOT FOR DISSEMINATION IN THE UNITED STATES OF AMERICA

Yellowhead Mining Inc. (TSX VENTURE:YMI) is pleased to report the results from
the fifth and sixth drill holes of the on-going winter drill program. These
holes, HC10-80 and HC10-81 are part of a four-hole fence (including HC10-79
reported on February 2, 2011) near the eastern limit of the resource on Section
305620E. Drilling on this fence was designed to test the eastern limit of the
resource model (North and South zones) and continuity of the mineralization
along strike to the east, as well as up-and-down dip extensions. Section 305620E
ranges from 40 to 120 metres east of the most easterly drill holes (69-H-26,
J-11, 96-1 and 96-7) that were used in the resource calculation.


Hole HC10-80 tested the down dip extension of the North zone mineralization
intersected in hole HC10-79. The drill hole was collared approximately 300
metres to the north of drill hole HC10-79 and drilled to a depth of 480.67
metres. Hole HC10-81 tested the eastern extension of the South zone to a depth
of 325.22 metres.


The significant intersection from Hole HC10-80 is presented in the table below.



----------------------------------------------------------------------
Significant intersection - 0.2% Cu
----------------------------------------------------------------------
                             Interval (m)                      Results
              --------------------------------------------------------
Hole            From        To    Length      Cu %    Ag ppm    Au ppb
----------------------------------------------------------------------
HC10-80       227.86    306.00     78.14      0.25       0.7        36
----------------------------------------------------------------------



No significant intersections were returned from Hole HC10-81.

Please refer to the Cross Section Map
http://www.yellowheadmining.com/i/pdf/DDH-Cross-Section-Map-Feb-22-2011.pdf


And Drill Plan Map
http://www.yellowheadmining.com/i/pdf/Drill-Plan-Map-Feb-22-2011.pdf


or available at www.yellowheadmining.com

The results of drill hole HC10-80 demonstrates the potential to extend the North
zone both down dip and along strike to the east. Current drilling (holes 82 to
85) has targeted the down dip extension of the North zone. Hole HC11-85 (in
progress) has been collared approximately 500 metres to the north of hole
HC10-80. Future drilling is planned to test both the up-dip and eastern strike
potential of holes HC10-79 and -80.


Laboratory assays lag the drilling and logging by approximately six weeks. The
program is being managed by CME Consultants Inc. ("CME").


Ian Smith, Chief Executive Officer, stated "The results for hole HC10-80
confirms continuity of mineralization within the 2010 NI43-101 Resource pit at
the eastern limits of that resource and demonstrates the potential to increase
the resource along strike to the east and down-dip to the north. This is
strongly supported by the results of extensive aeromagnetic and geochemical
surveys and surface mapping and sampling of outcropping sulphides which identify
drill targets extending some 3.0km to the east of the current eastern pit limit.


Harper Creek is a copper-gold-silver volcanogenic sulphide deposit with an
indicated resource of 569 million tonnes grading 0.32% Cu (4,010,000,000 pounds
of copper), plus an inferred resource of 62.7 million tonnes grading 0.33% Cu
(460,000,000 pounds of copper) plus as yet an unquantified resource of gold and
silver. Mineralization occurs as a series of tabular bodies hosted within the
Eagle Bay Assemblage met-volcanic and met-sedimentary rocks.


QUALIFIED PERSON

Christopher O. Naas, P.Geo. B.Sc., Project Manager for Yellowhead's Harper Creek
Project, is a qualified person as defined by National Instrument 43-101 and
prepared or reviewed the preparation of the scientific and technical information
in this press release with respect to the assay results from the Harper Creek
drill program.


SAMPLE COLLECTION, ANALYSES, AND QA-QC

All core processing was undertaken by CME personnel. Core was cut by electric
motorized rock saw with half core shipped to Eco Tech Laboratory Limited, part
of the Stewart Group (Eco Tech), in Kamloops, BC for sample preparation and
analysis. Drill core samples were analyzed for gold by fire assay with an AA
finish and multi-elements by total digestion ICP-ES. Core samples returning
greater than 2,000 ppm copper in the ICP-ES process were then assayed for
copper. In addition to control samples inserted by CME, the analytical
laboratory routinely inserted their own control samples, which consisted of
standards, blanks and sample repeats.


ABOUT YELLOWHEAD MINING INC.

Yellowhead has a 100% interest in the Harper Creek Project subject to the
payment of a royalty capped at $2.5 million, adjusted for inflation, on claims
within the NI 43-101 resource. The Harper Creek Project is a large
copper-gold-silver project located in south-central British Colombia,
approximately 150 kilometers by highway from Kamloops.


FORWARD-LOOKING STATEMENTS

Except for statements of historical fact, this news release contains certain
"forward-looking information" within the meaning of applicable securities laws.
Forward-looking information is frequently characterized by words such as "plan",
"expect", "project", "intend", "believe", "anticipate", "estimate" and other
similar words, or statements that certain events or conditions "may" or "will"
occur. Forward-looking statements are based on the opinions and estimates of
management at the date the statements are made, and are subject to a variety of
risks and uncertainties and other factors that could cause actual events or
results to differ materially from those anticipated in the forward-looking
statements, including, among others, the accuracy of mineral grades and related
assumptions, inherent operating risks, planned expenditures, proposed
exploration and development at the Harper Creek Project, operating and economic
aspects of the Harper Creek Project, as well as those risk factors identified in
the Filing Statement filed under the Company's SEDAR profile. Yellowhead
undertakes no obligation to update forward-looking information if circumstances
or management's estimates or opinions should change except as required by law.
The reader is cautioned not to place undue reliance on forward-looking
statements. More detailed information about potential factors that could affect
financial results is included in the documents filed from time to time with the
Canadian securities regulatory authorities by Yellowhead.

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