MTH Mammoth Resources Corp

Mammoth Resources Corp. (TSX VENTURE:MTH) is pleased to report results from the
first phase of its field exploration program at the 28,970 hectare Urique
Property, located in Chihuahua State, Mexico. The project is surrounded on three
sides by Goldcorp's El Sauzal gold mine to the south, Kimber Resources' Monterde
property to the north and Paramount Gold and Silver's San Miguel project to the
west (refer to Figure 1. Location of Mammoth Resources - Yale Resources Urique
Joint Venture, Chihuahua State, Mexico
http://media3.marketwire.com/docs/mth109fig1.pdf). Work is being supervised by
Mammoth Vice President Exploration, Richard Simpson, P. Geo, and is being
carried out by Yale Resources geologists. Mammoth is optioning the Urique
Project from Yale Resources (for terms of option agreement please refer to the
Company's news release dated February 24, 2012, available on the company's
website at: www.mammothresources.ca or under the Company's profile on
www.sedar.com).


The field exploration program spanned seven months beginning December 2011 and
involved prospecting, detailed mapping, trenching, rehabilitation of the
underground workings at the el Rosario mine, and sampling. A total of 597 rock
samples and 74 geochemical samples were taken from a total of 25 occurrences
and/or targets (3 occurrences in the northern portion of the property; "Urique
North", and 22 occurrences in the southern portion of the property; "Urique
South").


A number of very attractive grades of gold and silver were obtained from the
rehabilitated, historic El Rosario mine at Urique South. Assays from this
program help to add to and substantiate historical sample results from the
underground workings, including the following highlight intersections: 




--  1.7 m grading 9.74 g/t gold and 356.7 g/t silver (16.23 g/t gold
    equivalent); 
    
--  1.2 m grading 5.16 g/t gold and 153.8 g/t silver (7.96 g/t gold
    equivalent); 
    
--  5.0 m grading 0.78 g/t gold and 257.0 g/t silver (4.45 g/t gold
    equivalent); and 
    
--  2.3 m grading 1.69 g/t gold and 153.8 g/t silver (3.37 g/t gold
    equivalent).



Note: m = metres, g/t = grams per tonne. Gold equivalent is calculated by
converting silver grades to a "gold equivalent" based on a 55:1 grams of silver
per gram of gold basis as a means to measure total combined precious metal
content.


Mammoth President and CEO, Thomas Atkins, commented on these results, stating:
"When we plotted the combined gold and silver assay results at El Rosario as a
gold equivalent for contouring purposes, we were very intrigued to see the
frequency, distribution and grades of gold and silver throughout the underground
workings. Looking at these results we see a number of areas coloured red
indicating combined grades at, or in excess of five grams per tonne gold
equivalent, hosted in possible mineralized shoots. The historic workings cover
an approximate 150 metre by 150 metre area in an intensely silicified volcanic
host rock not unlike the rocks that host the deposits of our neighbors and which
we believe could be indicative of the ground's proximity to a strong
hydrothermal source at depth. At present we're looking into interpreting some
historical geophysical data for insights into structures and mineralization.
We're also investigating the cost and feasibility of drill testing these
mineralized shoots below the elevation of the mine workings in a cost efficient
manner with the objective of determining the extent to which grade and the
dimensions of the gold-silver mineralized structures may be enhanced at depth."


Summary of Urique South 2012 Field Exploration Program

Initial work in the southern portion of the Urique Project concentrated on an
approximate four kilometre by four kilometre area surrounding the town of
Urique. To date, the most important target identified was the alteration and
mineralization observed within the old workings at the El Rosario mine.


The property geology is predominantly underlain Tertiary aged felsic
volcaniclastic rocks which overlie a lower volcanic sequence of andesitic flows
and breccias, as well as intermediate composition volcano-sedimentary rocks.
Granodioritic rocks intrude the lower volcanic sequence in the Urique canyon
south of the town of Urique. Small intrusions/dykes were observed but generally
not mapped in detail. Several mineralized occurrences are present within the
property; they can be described mainly as low to intermediary sulphidation
epithermal veins/ breccias structure hosted within the lower volcanic sequence
(refer to Figure 2. El Rosario - Target Area Surface Geology
http://media3.marketwire.com/docs/mth109fig2.pdf and Figure 3. El Rosario Mine -
Cross Section A - A' http://media3.marketwire.com/docs/mth109fig3.pdf).


A total of 22 targets were studied during the first phase field exploration
program. The most attractive of these areas is the El Rosario area including the
historic mine working at El Rosario. This area consists of narrow north-south to
north five degrees east oriented and steeply dipping 70-75 degree northwest
veins which could equally be described as sheared veins or breccias. Gold and
silver plus minor amounts of copper, lead and zinc are confined within the veins
and structures with few anomalous values present in the wall rock (refer to
Figure 4. El Rosario Mine - Colour Contour Map of Underground Sampling
http://media3.marketwire.com/docs/mth109fig4.pdf).


Recent surface mapping highlighted the fact that the veins are not straight but
are located in a flexure point of the general north-south regional structural
trend near-vertical andesite to dioritic dykse and normal faults which may
suggest the presence of discordant structures in the Rosario target area.
Flexures along mineralized structures and the intersection between structures
are generally excellent target areas where major dilation can occur and create
large mineralized ore shoots. 


Based on these results it is recommended that further exploration work be
undertaken to investigate mineralization at depth. The company is currently
looking into interpreting some historical geophysical data for insights into
structures and mineralization at depth and is investigating the cost to drill
test mineralized shoots at depth in order to determine the extent to which
gold-silver mineralized structures and grade may become enhanced at depth. It is
expected that the timing of future exploration at El Rosario will be pending the
results of the cost and feasibility of drilling and following the company
completing its initial mapping and sampling program at its recently acquired
Tenoriba precious metal property located 100 kilometres south of Urique (refer
to press release dated July 4, 2012), where work consolidating historic
information at Tenoriba is concluding with some encouraging revelations on gold
mineralization at Tenoriba. The work program at Tenoriba is currently expected
to conclude in early 2013. 


Note that on July 4, 2012 the company announced that in conjunction with the
transaction to option the Tenoriba property the company would issue 950,000
shares of the company to the owners of the property over the option period. This
amount was incorrectly stated and the actual amount to be issued is 900,000
shares.


About Mammoth Resources:

Mammoth Resources (TSX VENTURE:MTH) is a mineral exploration company focused on
acquiring and defining precious metal resources in Mexico and other attractive
mining friendly jurisdictions in the Americas. The Company has an option to
acquire 100% of the Urique Property and the Tenoriba Property located in the
Sierra Madre Precious Metal Belt in southwestern Chihuahua State, Mexico and
continues to seek other option agreements on other properties it deems to host
above average potential for economic concentrations of precious metals
mineralization. 


Qualified Person / Quality Controls:

Richard Simpson, P.Geo., Vice-President Exploration for Mammoth Resources Corp.
is Mammoth's Qualified Person, according to National Instrument 43-101, for the
Urique property and is responsible for any technical data mentioned in this news
release. Samples were prepared and analyzed by ALS CHEMEX in their facilities in
Mexico and Canada, respectively or IPL Inspectorate in their facilities in
Mexico and Vancouver, respectively. Samples generally consisted of 1-3 kg of
material. Gold analyses were performed by 30 gram fire assay with an AA finish.
Silver, copper, lead and zinc were analyzed as part of a multi-element ICP
package using an aqua regia digestion. Over limit samples with greater than 1%
Cu, Pb and Zn were re-analyzed using ore grade detection limits.


To find out more about Mammoth Resources and to sign up to receive future press
releases, please visit the company's website at www.mammothresources.ca. 


Forward Looking Information: This news release may contain or refer to
forward-looking information. All information other than statements of historical
fact that address activities, events or developments that the Company believes,
expects or anticipates will or may occur in the future are forward-looking
statements; examples include the listing of its shares on a stock exchange and
establishing mineral resources. These forward-looking statements are subject to
a variety of risks and uncertainties beyond the Company's ability to control or
predict that may cause actual events or results to differ materially from those
discussed in such forward-looking statements. Any forward-looking statement
speaks only as of the date on which it is made and, except as may be required by
applicable securities laws, the Company disclaims any intent or obligation to
update any forward-looking statement, whether as a result of new information,
future events or results or otherwise. Although the Company believes that the
assumptions inherent in the forward-looking statements are reasonable,
forward-looking statements are not guarantees of future performance and,
accordingly, undue reliance should not be placed on these forward-looking
statements due to the inherent uncertainty therein.


To view "Figure 1: Location of Mammoth Resources - Yale Resources Urique Joint
Venture, Chihuahua State, Mexico", please visit the following link:
http://media3.marketwire.com/docs/mth109fig1.pdf.


To view "Figure 2: El Rosario - Target Area Surface Geology", please visit the
following link: http://media3.marketwire.com/docs/mth109fig2.pdf.


To view "Figure 3: El Rosario Mine - Cross Section A - A'", please visit the
following link: http://media3.marketwire.com/docs/mth109fig3.pdf.


To view "Figure 4: El Rosario Mine - Colour Contour Map of Underground Sampling
(contouring of gold equivalent assay values)", please visit the following link:
http://media3.marketwire.com/docs/mth109fig4.pdf.

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