Argentex hits longest interval of high-grade base-metal mineralization at Pinguino; intersects 12.49 meters of 119.7 g/t silver and 13.44% lead-zinc

    VANCOUVER, Sept. 25 /CNW/ - Argentex Mining Corporation (TSX-V: ATX,
OTCBB: AGXM) is pleased to announce results for 12 holes from the recently
completed drill program at its polymetallic Pinguino property in Santa Cruz,
Argentina. Results include unprecedented intervals of high-grade gold as well
as the longest high-grade base-metal intersection recorded to date at


    Highlights of analytical results include the following:

    -   12.49 meters (41 feet) of 119.7 grams per tonne (g/t) silver, 13.44%
        combined lead-zinc and 31 g/t indium in hole P200-08. This hole
        contains a 71-meter (233-foot) mineralized interval from 38.63 to
        109.98 meters (126.7 to 360.8 feet) downhole. Overlimit analyses of
        zinc, lead and silver remain to be received for the interval of 38.63
        to 52.90 meters (126.7 to 173.6 feet). Even without these over-limit
        assay results, hole P200-08 contains the longest interval of
        high-grade base-metal mineralization ever drilled on the Pinguino
    -   9.98 meters (32.7 feet) of 90.8 g/t silver, 8.96% lead-zinc and
        54 g/t indium in hole P173-08.
    -   1.50 meters (4.92 feet) of 554.8 g/t silver and 4.48% lead-zinc from
        hole P183-08.
    -   0.42 meters (1.38 feet) of 251.26 g/t gold (8.08 troy ounces per
        short ton), silver (greater than)100 g/t in hole P196-08. A metallic
        screen re-assay is being conducted on this interval to determine
        metallic gold content.

    "We are excited by these latest results from our 2007-2008 program
because they advance Pinguino along multiple commodity pathways," said Ken
Hicks, President of Argentex. "The new intersection in hole P200-08 at Yvonne
Sur has returned the longest interval of high-grade base-metal mineralization
ever found on the property. Our intersection of extremely high-grade gold
values at Marta Noroeste, albeit over narrow widths, is the highest grade of
gold mineralization ever returned from Pinguino and expands the potential for
development of a significant gold resource. Results at Marta Norte show a
continuation of high-grade silver values, demonstrating silver results
characteristic of that zone. We are also encouraged by the discovery of
multiple mineralized intervals within individual holes such as P200-08 and
P210-08, which demonstrate the strength and extent of mineralization that
continues to impress us throughout the property."
    Argentex has mapped more than 60 kilometers (37 miles) of existing veins
at Pinguino to date. More than 30,000 meters (98,000 feet) of diamond drilling
has been completed in a total of 269 holes. Results returned to date indicate
that Pinguino's robust mineralized system remains open along strike and at


    The following table displays selected analytical results for 12 new
holes, including five drilled in Marta Centro, two at Marta Norte, one at
Marta Noroeste, two at Yvonne Sur-Marcela (a new blind vein discovered by
chargeability anomalies) and two at Marta Este.

                 From    To    Length  Indium   Gold   Silver   Lead    Zinc
    Drill Hole   (m)     (m)   (m)(*)   (g/t)   (g/t)   (g/t)    (%)     (%)
    Area: Marta Centro
    P168-08    213.00  221.00    8.00     11     0.22     30.7   0.62    2.44
    P169-08    200.90  212.56   11.66     20     0.28     32.0   0.66    3.58
    P170-08    245.87  256.23   10.36     24     0.30     29.5   0.46    2.28
    P172-08    251.40  262.25   10.85     46     0.34     26.8   0.89    7.26
    P173-08    246.80  256.78    9.98     54     0.46     90.8   2.22    6.74
    Area: Marta Norte
    P177-08     87.05   90.48    3.43      0     0.31    180.7   8.27    0.25
    P183-08     85.00   86.50    1.50      0     0.62    554.8   2.90    1.58
    Area: Marta Noroeste
    P196-08     79.18   79.60    0.42          251.26    greater 0.51    0.16
    Area: Yvonne Sur-Marcela
    P200-08     69.84   82.33   12.49     31     0.25    119.7   6.05    7.39
    P200-08     77.23   81.28    4.05     24     0.28    237.0  12.32   14.06
    P200-08     89.05   97.00    7.95      5     0.04     10.5   0.47    1.41
    P200-08    101.50  109.98    8.48     14     0.06     35.1   1.40    3.25
    P249-08     46.00   49.40    3.40     11     0.03     21.5   0.90    0.98
    Area: Marta Este
    P210-08    106.00  112.95    6.95      1     0.27     26.4   0.94    1.85
    P210-08    107.90  112.95    5.05      1     0.31     31.6   1.11    2.21
    P211-08    142.60  145.78    3.18      2     0.14     14.7   0.33    2.59
    P211-08    164.70  170.30    5.60      0     0.09     14.4   0.68    0.91
    P211-08    175.00  181.60    6.60      1     0.20     22.9   0.83    1.29
    P211-08    175.00  177.50    2.50      2     0.31     47.2   1.78    2.40

    (*) True widths are estimated to be 85-90% of the stated core length

    During the 2007-2008 exploration program, Argentex completed
approximately 20,782.9 meters (68,185 feet) of HQ diamond drilling at Pinguino
using two independent drill contractors. A total of 15 base-metal and
precious-metal veins were tested in 151 new HQ diamond drill holes.
Approximately 7,000 core samples have been collected and submitted to Acme
Analytical Laboratories for analysis. Of this total, results from
approximately 1,000 samples remain to be received by Argentex. Overlimit
analyses of zinc, lead and silver are also pending. Additional results will be
reported upon receipt and compilation.
    Surface plan maps and modeled longitudinal sections of the Marta Este and
Marta Centro zones, showing diamond drill hole pierce points from previous
drilling and the 2007-2008 program, are available for viewing on the main
Pinguino page of the Argentex web site:
In addition, a 3-D movie showing Pinguino's mineralized zones at Marta Centro,
Marta Este and Marta Norte is available for viewing by visiting the Argentex
home page at A video showcasing highlights of a
property tour conducted in January 2008 has also been posted and is accessible
from the home page.

    The distribution of drilling from the 2007-2008 drill program can be
    broken down as follows:

                       Zone                        % of total meters drilled
    Marta Este                                                38 %
    Marta Centro                                              36 %
    Marta Norte and Marta Noroeste                            13 %
    Sonia, Savary, Silvia and Silvina                          6 %
    Yvonne Norte, Link, Yvonne Sur, Marcela and Marta Sur,     5 %
    Kasia                                                      2 %

    About Pinguino

    Argentex's Pinguino property is located in Argentina's Patagonia region,
within the Deseado Massif of Santa Cruz province. The
zinc-indium-lead-silver-gold-copper discovery at Pinguino in 2006 marked a
major exploration milestone for the company. This was the first discovery of
its kind in the region, unique in that it contains both silver-gold and
indium-enriched base-metal mineralization. This mineralization is contained in
multiple zones that remain open-ended along strike and to depth. Since 2006,
exploration of base-metal-rich targets has expanded beyond discoveries at
Marta Centro and Yvonne and now encompasses 15 drill-tested veins from more
than 35 veins mapped on the property to date.
    Indium, a significant component of Argentex's polymetallic discovery at
Pinguino, is a high-value metal used in flat-panel (LCD, plasma) displays and
in leading-edge thin-film solar cell technology.
    Pinguino is easily accessible, situated approximately 400 meters     
(1,312 feet) above sea level in low-relief topography. An existing system of
all-weather roads provides year-round access to the property.

    Quality Assurance

    Samples selected for analysis are sent to Acme Analytical Laboratories'
sample preparation lab in Mendoza, Argentina. From there sample pulps are sent
to Santiago, Chile for fire assay gold analysis and to Vancouver, Canada for
Group 1DX multi-element MS-ICP analysis. Samples with over-limit zinc, lead,
silver and/or copper are reanalyzed using an ore-grade high detection limit
7AR analysis, also conducted in Vancouver. Acme Analytical Laboratories is an
accredited ISO 9000:2001 full-service commercial laboratory with its head
office in Vancouver. Referee analyses will be carried out by Alex Stewart
(assayers) Argentina S.A. in Mendoza, Argentina. Argentex, Acme and Alex
Stewart all maintain comprehensive and independent Quality Control/Quality
Assurance programs. Drilling is being conducted by Boart Longyear Connors
Argentina S.A. and Major Perforaciones SA.


    Argentex Mining Corporation is a junior mining exploration company with
significant holdings in the Patagonia region of Argentina. It recently
fulfilled the terms of its option agreement on the property and now holds an
undivided 100% interest in the mineral rights to the Pinguino property. The
company also owns 100% mineral rights to more than 30 properties with over
377,490 acres (152,766 hectares) of prospective land located in the Santa Cruz
and Rio Negro provinces of Argentina. Shares of Argentex common stock trade
under the symbol AGXM on the OTCBB and on the TSX Venture Exchange under the
symbol ATX.
    Exploration on the Pinguino property is being conducted under the
supervision of Mr. Kenneth Hicks, P.Geo., Argentex's President and a
"qualified person" as defined by Canada's National Instrument 43-101. Mr.
Hicks has read and approved the contents of this release.

    The TSX Venture Exchange has not reviewed and does not accept
    responsibility for the adequacy or accuracy of this news release.

    Statements in this news release that are not historical facts are
forward-looking statements that are subject to risks and uncertainties. Words
such as "expects", "intends", "plans", "may", "could", "should",
"anticipates", "likely", "believes" and words of similar import also identify
forward-looking statements. Forward-looking statements are based on current
facts and analysis and on forecasts of future results, estimates of amounts
not yet determined and assumptions of management. Forward-looking statements
in this news release include statements about the company's belief that
Pinguino's robust mineralized system remains open along strike and at depth,
expectation that drilling at Marta Centro continues to expand the area of
indium-enriched base-metal mineralization and that results will be reported
after assay results are received and compiled. Actual results may differ
materially from those currently anticipated due to a number of factors beyond
the Company's control. These risks and uncertainties include, among other
things, competition for qualified personnel and risks that are inherent in
Argentex's operations including the risk that the Company may not find any
minerals in commercially feasible quantity. These and other risks are
described in the Company's Annual Report on Form 10-K and other filings with
the Securities and Exchange Commission.

For further information:

For further information: Ken Hicks, President, Argentex Mining
Corporation, 1-866-594-7687,

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