XAG Xtierra Inc

Xtierra Inc. (TSX VENTURE:XAG) ("Xtierra" or the "Company"), is pleased to
announce that a 2,500 metre drilling programme has been commissioned to follow
up on the high grade silver mineralisation previously encountered to the south
of the Bilbao deposit (and reported on June 27 and July 21, 2011). Such drilling
is expected to commence during the week of September 12, 2011.


The drilling will test a number of targets including, (a) the open-ended
mineralisation encountered in veins and shear structures similar to that
intersected in hole X40-1 (2.45 metres averaging 1,623g/t silver, including
3,340g/t silver over 0.60m). This hole was prematurely halted due to technical
difficulties while still in mineralisation; (b) the projected extensions to
brecciated silver-rich limestone horizons; and (c) a geophysical anomaly
(magnetic) believed to be associated with massive, skarn-type sulphide
mineralisation.


In the meantime, two additional holes are currently being drilled within the
main Bilbao indicated resource wire frame area to extract an adequate volume of
core sample to allow advanced metallurgical test work to be carried out,
including (a) flotation test work on the sulphide ore; and (b) grinding test
work on the transition and oxide ores.


Qualified Person 

Information of a scientific or technical nature contained in this release has
been prepared by or under the supervision of Terence N. McKillen, P.Geo., Chief
Executive Officer, Gerald J. Gauthier, P.Eng., Chief Operating Officer and Dr.
Anthony C. Gallon, C.Eng., Chief Geologist, all 'Qualified Persons' within the
meaning of National Instrument 43-101 - Standards of Disclosure for Mineral
Projects of the Canadian Securities Administrators.


Analytical Method 

Samples from half-core were prepared at the Stewart Group laboratory in
Zacatecas and initially analyzed for 38 element content using ICP-MS
(inductively coupled plasma - mass spectrometry) by the Stewart Group (Eco-Tech
Laboratory) in Kamloops, British Columbia. Values exceeding the limits of
detection are automatically re-analyzed by Fire Assay or Atomic absorption
spectrometry (AAS) methods respectively. Standards and blanks were used
regularly for quality control.


About Xtierra Inc.

Xtierra Inc. is a Toronto based exploration and development company listed on
the TSX Venture Exchange under the symbol "XAG". There are 103,272,142 shares
issued and outstanding. The Company is completing a feasibility study on its
Bilbao silver-zinc-lead-copper project in Zacatecas, Mexico. Xtierra's objective
is to become a mid-tier producer of precious and base metals through the
development of its Bilbao project as well as through exploration, organic growth
and M & A opportunities. 


For further information visit www.xtierra.ca.

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