Orko Silver Corp. (TSX VENTURE:OK) is pleased to announce that it has received
further assay results from its on-going diamond drilling program at La Preciosa
Project in Durango, Mexico.


Of particular note in this release for the Martha Vein is hole BP08-212A, which
yielded a true thickness of 8.16 metres grading gold 0.184 g/t and silver 247.9
g/t for a silver-equivalent of 258.9 g/t. Also, hole BP08-192 yielded 2.98
metres grading gold 0.435 g/t and silver 556.3 g/t for a silver-equivalent of
583.4 g/t.


Gary Cope, President of Orko, adds, "We are very pleased with this set of drill
results and the overall success of our drilling program. Expanding the Martha
Vein along strike and at depth is the focus of the current drilling program. The
Martha Vein is relatively flat lying, averages 10m in true widths and is dipping
an average of 20 degrees to the west. To date, the Martha Vein has been drill
tested over a length of approximately two kilometers in a north-south direction
and 800 metres in an east-west direction. The company's technical team sees the
potential of an additional 3 kilometers of length for the Martha Vein structure
to the south-east.


The latest resource estimate includes the results of 51 Martha drill holes which
accounted for 56% of the overall resource (see News Release dated March 31,
2008). All of the over 130 holes not in the latest resource estimate have
intercepted the Martha Vein structure. We look forward to releasing further
results in the near future."


BP08-213A



--------------------------------------------------------------------
               From        To    Core   True      Au      Ag   Ag-Eq
Vein        (metres)  (metres) Length  Width    (g/t)   (g/t)   (g/t)
--------------------------------------------------------------------

--------------------------------------------------------------------
Martha       359.19    372.57   13.38  13.18   0.077    87.1    91.7
--------------------------------------------------------------------
 Includes    367.92    372.57    4.65   4.58   0.142   177.8   186.3
--------------------------------------------------------------------
 Includes    369.41    371.87    2.46   2.42   0.156   199.7   209.1
--------------------------------------------------------------------



Hole BP08-213A is located east of La Preciosa Ridge on mine section 14,700 N,
between holes BP08-214 and BP08-208. It is oriented azimuth 090, dip -75
degrees. Martha vein is a strong structure adjacent to the conglomerate / schist
contact. Lead and zinc are elevated in the Martha vein at 0.35% and 1.22%
respectively for the 13.18 metre intercept and 0.73% and 3.02% respectively for
the 4.58 metre intercept.


BP08-212A



--------------------------------------------------------------------
               From        To    Core   True      Au      Ag   Ag-Eq
Vein        (metres)  (metres) Length  Width    (g/t)   (g/t)   (g/t)
--------------------------------------------------------------------

--------------------------------------------------------------------
Martha       286.60    295.28    8.68   8.16   0.184   247.9   258.9
--------------------------------------------------------------------
 Includes    286.60    292.43    5.83   5.48   0.235   300.5   314.6
--------------------------------------------------------------------
 Includes    286.60    288.52    1.92   1.80   0.134   520.2   528.3
--------------------------------------------------------------------



Hole BP08-212A is located east of La Preciosa Ridge on mine section 14,700 N,
between holes BP08-208 and BP08-220. It is oriented azimuth 090, dip -75
degrees. Martha vein is a strong structure adjacent to the andesite /
conglomerate contact.


BP08-211



--------------------------------------------------------------------
               From        To    Core   True      Au      Ag   Ag-Eq
Vein        (metres)  (metres) Length  Width    (g/t)   (g/t)   (g/t)
--------------------------------------------------------------------

--------------------------------------------------------------------
Transversal  107.05    119.63   12.58   8.08   0.102    34.2    40.3
--------------------------------------------------------------------
 Includes    112.02    113.12    1.10   0.70   0.064    88.6    92.4
--------------------------------------------------------------------

--------------------------------------------------------------------
Unnamed      341.36    341.86    0.50   0.49   0.604   269.0   305.3
--------------------------------------------------------------------

--------------------------------------------------------------------
Martha       344.27    352.99    8.72   8.58   0.285    91.9   109.0
--------------------------------------------------------------------
 Includes    351.31    352.99    1.68   1.65   0.990   169.6   229.0
--------------------------------------------------------------------
 Includes    344.27    345.63    1.38   1.36   0.421   338.7   363.9
--------------------------------------------------------------------



Hole BP08-211 is located east of La Preciosa Ridge on mine section 14,600 N, 100
metres east of BP08-210 and 100 metres west of BP08-216. It is oriented azimuth
090, dip -75 degrees. Martha vein is a strong structure adjacent to the
conglomerate schist contact. Lead and zinc are elevated in the Martha vein at
0.78% and 1.30% respectively for the 8.58 metre intercept. Transversal vein is
an oblique intercept with low grade.


BP08-192



--------------------------------------------------------------------
               From        To    Core   True      Au      Ag   Ag-Eq
Vein        (metres)  (metres) Length  Width    (g/t)   (g/t)   (g/t)
--------------------------------------------------------------------

--------------------------------------------------------------------
Martha       191.34    194.35    3.01   2.98   0.435   556.3   583.4
--------------------------------------------------------------------
 Includes    191.34    192.54    1.20   1.19   0.752   970.3 1,015.4
--------------------------------------------------------------------
 Includes    191.62    192.54    0.92   0.91   0.668 1,115.0 1,155.1
--------------------------------------------------------------------



Hole BP08-192 is located east of La Preciosa Ridge on mine section 14,800 N. It
is oriented azimuth 090, dip -50 degrees, 100 metres east of holes BP08-188.
Martha vein is a structure along the andesite / conglomerate contact.


BP08-188



--------------------------------------------------------------------
               From        To    Core   True      Au      Ag   Ag-Eq
Vein        (metres)  (metres) Length  Width    (g/t)   (g/t)   (g/t)
--------------------------------------------------------------------
Martha       223.72    230.37    6.65   6.42   1.007   187.6   248.0
--------------------------------------------------------------------
 Includes    229.40    229.82    0.42   0.41  13.017   452.1 1,233.1
--------------------------------------------------------------------



Hole BP08-188 is located east of La Preciosa Ridge on mine section 14,800 N. It
is oriented azimuth 090, dip -50 degrees, between holes BP08-179 and BP08-192.
Martha vein is a structure mainly in andesite near the conglomerate contact.


BP08-187



--------------------------------------------------------------------
               From        To    Core   True      Au      Ag   Ag-Eq
Vein        (metres)  (metres) Length  Width    (g/t)   (g/t)   (g/t)
--------------------------------------------------------------------

--------------------------------------------------------------------
Unnamed      275.99    279.04    3.05   2.95   0.017   100.5   101.6
--------------------------------------------------------------------

--------------------------------------------------------------------
Martha       281.60    291.87   10.27   9.92   0.188   176.5   187.8
--------------------------------------------------------------------
 Includes    285.04    289.15    4.11   3.97   0.339   378.3   398.6
--------------------------------------------------------------------
 Includes    288.00    288.24    0.24   0.23   0.507 1,177.2 1,207.6
--------------------------------------------------------------------



Hole BP08-187 is located east of La Preciosa Ridge on mine section 14,800 N. It
is oriented azimuth 090, dip -60 degrees, from the same drill pad as hole
BP07-167 and 100 metres east of BP07-150A. Martha vein is a structure mainly in
conglomerate near the andesite contact. It is also enriched in base metals at Zn
1.21% and Pb 0.42%.


BP08-184



--------------------------------------------------------------------
               From        To    Core   True      Au      Ag   Ag-Eq
Vein        (metres)  (metres) Length  Width    (g/t)   (g/t)   (g/t)
--------------------------------------------------------------------

--------------------------------------------------------------------
Martha       268.90    273.76    4.86   4.21   0.658   143.6   183.1
--------------------------------------------------------------------
 Includes    272.05    273.76    1.71   1.48   1.334   334.7   414.7
--------------------------------------------------------------------



Hole BP08-184 is located east of La Preciosa Ridge on mine section 15,000 N,
between holes BP08-183 and BP08-190. It is oriented azimuth 090, dip -45
degrees. Martha vein is a strong structure along the andesite conglomerate
contact.


BP08-179



--------------------------------------------------------------------
               From        To    Core   True      Au      Ag   Ag-Eq
Vein        (metres)  (metres) Length  Width    (g/t)   (g/t)   (g/t)
--------------------------------------------------------------------

--------------------------------------------------------------------
Martha       274.27    292.55   18.08  17.80   0.082    82.3    87.2
--------------------------------------------------------------------
 Includes    282.73    292.00    9.27   9.13   0.124    99.6   107.0
--------------------------------------------------------------------
 Includes    285.90    290.26    4.36   4.29   0.185   146.6   157.7
--------------------------------------------------------------------
 Includes    287.67    289.70    2.03   2.00   0.198   204.3   216.1
--------------------------------------------------------------------

-------------------------------------------------------------------- 
Unnamed      295.90    297.26    1.36   1.11   0.049   226.9   229.9
--------------------------------------------------------------------



Hole BP08-179 is located east of La Preciosa Ridge on mine section 14,800 N. It
is oriented azimuth 090, dip -60 degrees, between holes BP08-187 and BP07-188.
Martha vein is a broad structure in andesite.


BP08-178



--------------------------------------------------------------------
               From        To    Core   True      Au      Ag   Ag-Eq
Vein        (metres)  (metres) Length  Width    (g/t)   (g/t)   (g/t)
--------------------------------------------------------------------

--------------------------------------------------------------------
Martha       315.52    318.16    2.64   2.02   0.049   143.3   146.3
--------------------------------------------------------------------
 Includes    316.66    318.16    1.50   1.15   0.066   235.7   239.6
--------------------------------------------------------------------
 Includes    316.99    317.25    0.26   0.20   0.155   729.5   738.8
--------------------------------------------------------------------



Hole BP08-178 is located east of La Preciosa Ridge on mine section 15,100 N,
between holes BP07-163 and BP08-182. It is oriented azimuth 090, dip -45
degrees. Martha vein is a stock work zone hosted in conglomerate.


BP08-176



--------------------------------------------------------------------
               From        To    Core   True      Au      Ag   Ag-Eq
Vein        (metres)  (metres) Length  Width    (g/t)   (g/t)   (g/t)
--------------------------------------------------------------------

--------------------------------------------------------------------
Martha       175.69    176.48    0.79   0.74   1.501   163.2   253.3
--------------------------------------------------------------------



Hole BP08-176 is located east of La Preciosa Ridge on mine section 15,300 N,
between holes BP07-171 and BP08-186. It is oriented azimuth 090, dip -45
degrees. Vein lets occur, but there is no consistent vein in this hole.


BP08-174



--------------------------------------------------------------------
               From        To    Core   True      Au      Ag   Ag-Eq
Vein        (metres)  (metres) Length  Width    (g/t)   (g/t)   (g/t)
--------------------------------------------------------------------

--------------------------------------------------------------------
Martha       148.71    150.14    1.43   1.24   0.033    59.4    61.4
--------------------------------------------------------------------
 Includes    148.71    149.16    0.45   0.39   0.010   114.3   114.9
--------------------------------------------------------------------

--------------------------------------------------------------------
Unnamed      205.44    206.19    0.75   0.38   0.420   625.3   650.5
--------------------------------------------------------------------



Hole BP08-174 is located east of La Preciosa Ridge on mine section 15,400 N,
between BP08-173 and BP08-207. It is oriented azimuth 090, dip -45 degrees. Only
stringer vein mineralization was encountered.


BP08-172



--------------------------------------------------------------------
               From        To    Core   True      Au      Ag   Ag-Eq
Vein        (metres)  (metres) Length  Width    (g/t)   (g/t)   (g/t)
--------------------------------------------------------------------

--------------------------------------------------------------------
Martha       348.05    353.65    5.60   4.85   0.214   151.3   164.2
--------------------------------------------------------------------
 Includes    349.15    351.50    2.35   2.04   0.264   266.4   282.3
--------------------------------------------------------------------
 Includes    349.35    349.57    0.22   0.19   0.568   645.2   679.3
--------------------------------------------------------------------

--------------------------------------------------------------------
Unnamed      376.71    379.09    2.38   2.06   0.328    74.8    94.5
--------------------------------------------------------------------

--------------------------------------------------------------------
Unnamed      387.13    394.66    7.53   6.52   1.478    89.4   178.1
--------------------------------------------------------------------
 Includes    388.77    393.76    4.99   4.32   2.113   109.0   235.8
--------------------------------------------------------------------
 Includes    389.60    390.28    0.68   0.59  11.950   313.3 1,030.3
--------------------------------------------------------------------



Hole BP08-172 is located on La Preciosa Ridge on mine section 15,100 N, between
holes BP06-71ext and BP08-180. It is oriented azimuth 090, dip -60 degrees.
Martha vein is a structure within the andesite and the lower structure is in the
conglomerate.


BP08-170



--------------------------------------------------------------------
               From        To    Core   True      Au      Ag   Ag-Eq
Vein        (metres)  (metres) Length  Width    (g/t)   (g/t)   (g/t)
--------------------------------------------------------------------

--------------------------------------------------------------------
Unnamed      167.93    171.27    3.34   3.03   0.164    70.5    80.4
--------------------------------------------------------------------
 Includes    168.55    169.01    0.46   0.42   0.255   143.3   158.6
--------------------------------------------------------------------

--------------------------------------------------------------------
Martha       174.25    183.17    8.92   8.38   0.580    98.0   132.8
--------------------------------------------------------------------
 Includes    175.74    179.26    3.52   3.31   0.596   131.1   166.9
--------------------------------------------------------------------
 Includes    178.76    179.26    0.50   0.47   1.015   169.8   230.7
--------------------------------------------------------------------

--------------------------------------------------------------------
Unnamed      303.93    304.93    1.00   0.94   0.643   226.5   259.1
--------------------------------------------------------------------
 Includes    304.53    304.73    0.20   0.19   1.226   606.6   680.2
--------------------------------------------------------------------



Hole BP07-170 is located east of La Preciosa Ridge on mine section 15,300 N, 116
metres east of hole BP07-132, on the same drill pad as hole BP07-149. It is
oriented azimuth 090, dip -75 degrees. The lowest intercept is also high in base
metals at Pb equals 1.47% and Zn equals 15.23%.


Most of the holes in the mid-170s, plus some in the 180s and 190s, are along the
eastern margin of the main mineralized trend and, as expected, do not carry ore
grades. This is the case for holes BP08-171, 173, 177, 185, 186 and 190. Hole
BP08-175 was abandoned short of target due to drilling difficulties and has been
replaced by Hole P08-207.


A complete table of drill results is available at the link below:

http://www.orkosilver.com/i/pdf/drillresults.pdf

A detailed drill plan map is available at the link below:

http://www.orkosilver.com/i/pdf/drillplanmap.pdf

A printer friendly PDF format of this news release is available at the link below:

http://www.investorhub.ca/orkonews07222008.pdf

Ben Whiting, P.Geo., is the Qualified Person and takes responsibility for the
technical disclosure in this news release. Full details of the Company's
sampling protocols and QA/QC program can be located at our website at the link
below:


http://www.orkosilver.com/s/QAQC.asp

Silver-equivalent for the purposes of this drilling program is defined as silver
grade plus 60 times gold grade. Metallurgical recoveries and net smelter returns
are assumed to be 100%.


About Orko Silver Corp.

Orko Silver Corp. is a professional exploration company with an increasing
silver resource. Orko Silver's principal project, La Preciosa, located near the
city of Durango, Mexico, is an advanced silver and gold project. The Company is
currently drilling at La Preciosa using 4 rigs working 24 hours a day, 7 days a
week. The deposit remains open in all directions and to depth. Two additional
projects include the Santa Monica east of La Preciosa and the San Juan west of
La Preciosa. All are undergoing exploration.


ON BEHALF OF THE BOARD OF DIRECTORS

Gary Cope, President

This News Release may contain forward-looking statements including but not
limited to comments regarding the timing and content of upcoming work programs,
geological interpretations, receipt of property titles, potential mineral
recovery processes, etc. Forward-looking statements address future events and
conditions and therefore involve inherent risks and uncertainties. Actual
results may differ materially from those currently anticipated in such
statements. Orko relies upon litigation protection for forward-looking
statements.


- Cautionary Note to U.S. Investors - The United States Securities and Exchange
Commission permits U.S. Mining companies, in their filings with the SEC, to
disclose only those mineral deposits that a company can economically and legally
extract or produce. We use certain terms in this press release, such as
"measured", "indicated", and "inferred" resources, which the SEC guidelines
strictly prohibit U.S. registered companies from including in their filings with
the SEC. U.S. Investors are urged to consider closely the disclosure in our Form
20-F, File No. 000-51923, which may be secured from us, or from the SEC's
website at http://www.sec.gov/edgar.shtml.


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