CMJ

Colombian Mines Corporation (TSX VENTURE:CMJ)(FRANKFURT:X6C) ("Colombian Mines"
or "the Company") reports that hole D13-02 (hole 2) intersected 12.4 meters of
high grade, sulfide rich mineralization assaying 4.02 grams gold per metric
tonne (g/T Au), 20.23 grams silver per metric tonne (g/T Ag), 4.17% copper (Cu)
and 0.46% Zinc (Zn) from 79.5 to 91.9 meters with a combined gold equivalent
(Au_Eq) of 11.51 g/T Au_Eq. This impressive zone of mineralization was
intersected in a 30 meter horizontal step out from high grade mineralization
intersected in hole D13-01A (hole 1) and occurs within a larger mineralized
intercept averaging 3.43 g/T Au, 17.93 g/T Ag, 3.6% Cu and 0.40% Zn over 15.4
meters from 77.5 to 92.9 meters. Contained within these mineralized zones is a
high grade sub-interval averaging 9.36 g/T Au, 30.06 g/T Ag, 5.16% Cu and 0.5%
Zn from 89.3 to 91.9 meters. This mineralization corresponds with projections of
high grade mineralization found in the Sabana Blanca Adit, previously announced
hole D13-01A and mapped surface outcrop confirming both lateral and vertical
continuity of high grade mineralization in the El Dovio System.




                      Table 1. Summary D13-02, El Dovio                     
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                                                                          Au
                                                                  Au     oz/
               Length  Length     Au      Ag      Cu      Zn     g/T    T_Eq
From        To    (m)  (feet)    g/T     g/T       %       %    _Eq.    (ii)
----------------------------------------------------------------------------
51.6      53.5    1.9     6.2   3.18    2.33     .26     .10    3.20    0.10
----------------------------------------------------------------------------
77.5      92.9  15.40    50.5   3.43   17.93    3.60    0.40    9.90    0.32
----------------------------------------------------------------------------
Including                                                                   
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79.5      91.9  12.40    40.7   4.02   20.23    4.17    0.46   11.51    0.37
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Including                                                                   
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89.3      91.9   2.60     8.5   9.36   30.06    5.16    0.50   18.71    0.60
----------------------------------------------------------------------------
Metallurgical                                                               
 Extraction                    96.40%  91.10%  97.80%  96.80%               
----------------------------------------------------------------------------
Metal Conversion                                                            
 Price(i)                     $1,000  $16.00   $2.50   $0.70                
----------------------------------------------------------------------------
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Gold Equivalent values adjusted for metallurgical Extraction as noted.      
(i) Assumed Metal Price is price per troy ounce for gold and silver, and    
 price per pound for copper and zinc.                                       
(ii) 31.1 grams equals 1 troy ounce                                         



Gold Equivalent Calculations and Metallurgical Considerations 

Gold equivalency calculations are included to more clearly present the
approximate value of the polymetallic mineralization at El Dovio. The gold
equivalency for silver, copper and zinc are adjusted for the recovery rate of
the respective metal. The recovery rates used are actual recoveries achieved on
mineralization from the Sabana Blanca adit using conventional froth flotation as
reported to the Company by McCllelan Laboratories, a prominent metallurgical
laboratory based in Reno, Nevada. Recovery rates are as reported in the
Company's press release of April 24, 2012, are 91.1% for silver, 97.8% for
copper and 96.8% for zinc. In commenting on the flotation results, Mr. Gene
McCllelan, principal of McCllelan Laboratories stated that "in more than 38
years of experience the El Dovio mineralization is some of the most responsive
to flotation recovery that I have ever seen." Recoveries may be somewhat higher
in actual practice because oxidation products seen in the adit that are known to
reduce recovery by flotation methods are not observed in this hole and are not
expected to occur widely in the zone of mineralization. 


Discussion of Drilling Program and Results 

The Phase I drilling program began drilling near the western most exposure of
the Sabana Blanca zone near the Sabana Blanca adit where surface and underground
sampling identified mineralization varying from 9 to 30 meters in estimated true
width. The results of holes D13-01A and D13-02 (hole 1 and 2 respectively)
corroborate this and importantly are showing lateral and vertical continuity of
mineralization, a critical condition for future mine planning, design and
production.


Drilling is planned to progress along trend to the east toward Trench number 2,
located roughly 180 meters east of the Sabana Blanca adit. Surface, saw cut
channel sampling in Trench 2 returned a composite interval of 68 meters
averaging 4.7 g/T Au, 6.2 g/T Ag, 0.5% Cu and .5% Zn that contained a high grade
sub-interval as reported in the Company's press release of May 11, 2011
averaging 58.6 g/T Au, 14.6 g/T Ag, 0.26% Cu and 0.81% Zn over 3 meters.


Hole D13-02 was drilled at an inclination of -45 degrees below horizontal at an
azimuth of 210 degrees to a total depth of 190 meters with HQ diameter core
utilizing the same platform as D13-01A. The mineralized intercept in D13-02 lies
approximately 60 meters vertically below its surface collar location and 30 to
40 meters below outcropping mineralization. The mineralized intercept in hole 2
is at roughly the same elevation as the high grade intercept in D13-01A. These
drill results corroborate results from the surface channel sampling and mapping,
expand the known mineralization and continue to verify continuity of high grade
mineralization both along strike and down dip in the Sabana Blanca zone.


Mineralization in D13-02, like that intersected in the first hole consists of
multi-phased, coliform banded quartz, with locally abundant chalcopyrite,
sphalerite and pyrite. 


For the purposes of this press release the Company has not applied any "capping"
or "top cutting" to the drill results. The presence of numerous high grade
samples in the grade range of 30 to 104 g/T Au in the surface channel sampling
results and the apparent continuity of high grades zones does not justify
capping or top cutting at this time. The drill intercept lengths reported here,
are the actual drilled length and may be longer than the true width of
mineralization. At this point there is insufficient information as to the
overall dip of the structure to estimate the true width in the drill holes. The
Company will continue to assess the possible need for capping of high grade and
the apparent true width of the mineralized system as sufficient data is
developed.


Current Drill Program 

The current, Phase 1 program is planned to consist of 10 drill holes focused on
the Sabana Blanca zone. Drilling is progressing from the Sabana Blanca adit
eastward. Holes 1A and 2 have tested mineralization at modest depths below the
surface as will planned holes 3, 4 and 5. After that holes will be drilled to
test down dip extensions of mineralization. In all Phase 1 is designed to test
180 to 200 meters of the strike length of the Sabana Blanca zone at depth to 100
meters below the outcrop of mineralization. Future work will focus on further
extending the Sabana Blanca zone as well as assessing other nearby zones the
Company has identified including the Brazo 1, Graizales and Silencio zones. 


About El Dovio 

The Company's 100% owned El Dovio project is comprised of four contiguous
Concession Contracts registered in the name of Colombian Mines wholly owned
subsidiary, Corporacion Minera de Colombia. The Property is comprised of 10,106
hectares that cover a high grade, gold rich, poly-metallic vein system hosted in
metamorphosed marine volcanic rocks.


Saw cut channel samples from surface trenches in the Sabana Blanca zone indicate
a zone ranging from 30 to 68 meters wide with an average sampled grade of 4.5
grams gold per tonne (g/T Au) and 0.5 to 2% copper (Cu) with sub-intervals to 27
g/T Au over 7 meters and individual samples ranging from 20 to 104 g/T Au.
Mineralization and alteration in the other zones on the property indicate they
are similar in nature to the Sabana Blanca zone. Additional information on the
geology and mineralization at El Dovio is available on the Company's website and
in past news releases.


Sample Collection - Quality Control - Quality Assurance 

The Company's exploration samples are collected in accordance with accepted
industry best practices. Core is collected from the drill site and under the
supervision of Company personnel is transported to SGS Laboratory's Medellin
sample preparation facilities and analyzed at SGS's new laboratory in Medellin,
Colombia (ISO9001:2000). For all samples, gold is analyzed by fire assay with an
ICP/AES finish, and silver and base metal analyses are determined with ICP/AES
techniques. The Company conducts routine QA/QC analysis on all assay results,
including the systematic utilization of certified reference materials, blanks
and field duplicates at a rate of no less than 1 in 30.


Mr. Robert G. Carrington, P. Geo, a Qualified Person as defined by National
Instrument 43-101, the President and CEO of the Company, has reviewed and
verified the technical information contained in this news release.


About Colombian Mines Corporation 

Colombian Mines Corporation is an aggressive exploration and development stage
company with a distinct "first mover" advantage in Colombia and one of the
largest portfolios of 100% direct owned mineral assets among comparable
companies in Colombia. Focused on developing shareholder value through
exploration and development of key projects, the Company is also one of
Colombia's leading "Prospect Generators" and applies an aggressive business
model of organic growth through exploration while leveraging shareholder value
through strategic alliances and joint ventures. Colombia is widely recognized as
a highly prospective, under-explored country with exceptional mineral potential.
Further information can be found on our website at www.colombianmines.com.


Robert G. Carrington, President & CEO

Neither the TSX Venture Exchange nor the Investment Industry Regulatory
Organization of Canada accepts responsibility for the adequacy or accuracy of
this release.


Forward-Looking Statement 

Some of the statements in this news release contain forward-looking information
that involves inherent risk and uncertainty affecting the business of Colombian
Mines Corporation. Actual results may differ materially from those currently
anticipated in such statements.


FOR FURTHER INFORMATION PLEASE CONTACT: 
Colombian Mines Corporation
Sharon Hebgin
Corporate Communications
(604) 649-9195 - Canada
(760) 668-7211 - United States
shebgin@colombianmines.com


Colombian Mines Corporation
Dave Cross
Chief Financial Officer and Corporate Secretary
(604) 558-4300
dcross@crossdavis.com
www.colombianmines.com

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