Rio Grande Resamples High Grade Gold

Rio Grande Mining Corp. (TSX VENTURE:RGV) ("Rio Grande" or the "Company") is
pleased to release assay results from its November, 2011 field program at the La
Maria Property designed to resample previously reported high grade channel and
grab samples of up to 649.5 grams/tonne (g/t) Au including 598.6 g/t and 197.6
g/t Au encountered in previous campaigns and reported in the National Instrument
43-101 "Technical Report on the La Maria Property, Municipalities of Remedios
and Vegachi, Department of Antioquia, Colombia" dated September 12, 2011 (the
"Technical Report") and filed on SEDAR under the Company's profile on September
29, 2011.


Mr. James A. McCrea., P.Geo., a Qualified Person as defined by National
Instrument 43-101, supervised the November, 2011 field program and has reviewed
this news release and approves all scientific and technical disclosure. The
November, 2011 field work received similar and reproducible high grade gold
assay results with the highest grade values being slightly lower from the
re-sampled assay results including 474.4 g/t gold over 0.3 metre in the vein
footwall, 137.8 g/t gold over 0.6 metres, 75.2 g/t gold over 0.8 metres and 51.6
g/t over 0.3 metres all from the La Clavada decline. These samples represent two
campaigns of sampling in the normally flooded La Clavada decline. The resample
indicates that the zones can reproduce similar high grade values and widths as
reported from previous campaigns.


Vein chip samples 15016 to 15018 and 15020 were collected 6.4 metres vertically
below surface. Vein chip samples 15024 to 15026 and 15028 to 15030 were
collected 16.4 metres vertically below surface.


Sample Highlights



----------------------------------------------------------------------------
Sample                     Length Au (g/t) Ag (g/t) Length Au (g/t) Ag (g/t)
Number  Material Sampled      (m) Original Original    (m)   Repeat   Repeat
----------------------------------------------------------------------------
15016   Quartz vein, FW       0.5    0.074     less    0.3   474.40    130.0
                                             than 2                         
----------------------------------------------------------------------------
15017   Quartz vein           0.3   649.50      152    0.4    1.950      0.5
----------------------------------------------------------------------------
15018   Quartz vein, HW       0.4    2.958     less    0.6    0.806     less
                                             than 2                 than 0.3
----------------------------------------------------------------------------
15020   Composite of 15 &     0.7   598.60      159      -        -        -
        16                                                                  
----------------------------------------------------------------------------
15024   Quartz vein, FW       0.5    0.449     less    0.5    1.065      0.4
                                             than 2                         
----------------------------------------------------------------------------
15025   Quartz vein          0.63   197.60       34    0.6   137.80     33.1
----------------------------------------------------------------------------
15026   Quartz vein           0.9    84.80       26    0.8    75.20     26.8
----------------------------------------------------------------------------
15028   Gneiss, FW            0.8    0.114     less    0.8    0.121     less
                                             than 2                 than 0.3
----------------------------------------------------------------------------
15029   Quartz vein          0.36    43.20       11    0.3    51.60     12.9
----------------------------------------------------------------------------
15030   Gneiss, HW            0.8    0.178     less    0.9    0.009     less
                                             than 2                 than 0.3
----------------------------------------------------------------------------



James A. McCrea, P.Geo, the Qualified Person who supervised the November, 2011
field work verified the data disclosed in the above table by taking verification
samples of the La Clavada vein during a 2010 reconnaissance of the Property. The
grades reported in the table are of a similar tenor to those of the
reconnaissance sampling.


Work Program

The Company is pleased to announce that the work program has started on the La
Maria Property with the installation of survey control points for the
geophysical grid and a local topographic survey of the La Clavada area prior to
the geologic mapping and trenching program. The mapping program is to include
all accessible underground workings. It is anticipated that the existing camp on
the property will be upgraded and offices/offsite living accommodations will be
located in a nearby community with internet and cell phone coverage. Work is
anticipated to start shortly on the geophysical program to aid the trenching and
mapping. Management expects that access improvements will be completed along
with the mechanized trenching and drill pad construction and anticipates 1,000
metres of diamond drilling to follow.


Transaction with Tru Vision Corp.

Upon completion of the share exchange transaction with Tru Vision (see news
releases dated February 9, 2011, May 19, 2011, June 2, 2011, September 29, 2011,
November 16, 2011 and February 21, 2012), it is anticipated that Mr. Christopher
Verrico will become the President, Chief Executive Officer and a director of the
Company. Mr. Verrico has 25 years of mine development/operations experience
within B.C., Alaska and the Canadian Territories managing and contracting open
pit mining, bulk ore handling and northern infrastructure construction
operations. In the past 10 years, Mr. Verrico has been focussed on scoping
resource development opportunities throughout the Americas with key
participation in raising more than $100 million of venture capital, and is a
director of a number of Canadian junior public companies. Mr. Verrico is
currently the President and sole director of Tru Vision.


On behalf of the Board of Directors,

Jerry Minni, President & CEO 

Rio Grande Mining Corp.

Statements in this press release regarding the Company which are not historical
facts are "forward-looking statements" that involve risks and uncertainties.
Such information can generally be identified by the use of forwarding-looking
wording such as "may", "expect", "estimate", "anticipate", "intend", "believe"
and "continue" or the negative thereof or similar variations and include
statements that: (i) the Company may close the share exchange transaction with
Tru Vision Corp., (ii) the Company anticipates commencing the work program on
the La Maria Property shortly and that the work to be conducted will be as
disclosed in this news release, (iii) the resample indicates that the re-sampled
zones can reproduce similar high grade values and widths as reported from
previous campaigns, (iv) that the existing camp on the La Maria Property will be
upgraded and offices/offsite living accommodations will be located in a nearby
community with internet and cell phone coverage, (v) that work is anticipated to
start shortly on the geophysical program to aid the trenching and mapping, (vi)
that Management expects access improvements will be completed along with the
mechanized trenching and drill pad construction and anticipates 1,000 metres of
diamond drilling to follow, and (vii) that Mr. Christopher Verrico will become
the President, Chief Executive Officer and a director of the Company. 


Since forward-looking statements address future events and conditions, by their
very nature, they involve inherent risks and uncertainties such as the risk that
the work program will not be completed as stated or at all and the timing
thereof, the risk that the share exchange transaction with Tru Vision Corp. may
not close for any reason whatsoever, the risk that resample zones will not
reproduce similar high grade values and widths as reported from previous
campaigns, the risk that the existing camp on the La Maria Property will not be
upgraded as stated or at all, the risk that work on the geophysical program to
aid the trenching and mapping will not commence shortly, the risk that access
improvements will not be completed along with mechanized trenching or at all,
the risk that drill pad construction and 1,000 metres of diamond drilling will
not occur, and the risk that Mr. Verrico may not become the President, Chief
Executive Officer or a director of the Company upon completion of the
transaction with Tru Vision Corp. Actual results in each case could differ
materially from those currently anticipated in such statements due to factors
such as: (i) the inability of the parties to complete the share exchange
transaction, as proposed or at all; (ii) inability of the Company to complete
the work program, camp upgrades, geophysical work, access improvements and/or
drill pad construction in part or at all and the in ability of the Company to
complete these items within the estimated timeframe; (iii) a change in market
conditions; and (iv) the refusal of the TSX Venture Exchange to accept the
proposed transaction with Tru Vision Corp. for any reason whatsoever. Except as
required by law, the Company does not intend to update any changes to such
statements.
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