Hydrological Program started:
Excelsior Mining Corp (2) (TSX-V:MIN) Shares Issued 102,912,055 Last Close 10/27/2014 $0.255 Tuesday October 28 2014 - News Release Mr. Mark Morabito reports EXCELSIOR COMMENCES HYDROLOGICAL PROGRAM Excelsior Mining Corp.'s hydrological drilling program has commenced at the Gunnison copper project
in Arizona. The primary component of the hydrological program will comprise 26 hydrology test wells totalling approximately
28,000 feet. Extensive geophysical logging and long-term pump tests will be conducted on all holes with
the objective of characterizing aquifer properties and the variations that control the movement of fluids
through the mineralized bedrock. Because hydraulic conductivity, effective porosity and aquifer continuity
are critical in the mining process, the investigations of potential conduits or barriers to groundwater
flow will prove invaluable to the ultimate design and success of the production well field. Results
will be used to construct a numerical groundwater flow and transport model to simulate the planned in
situ recovery operations, and to demonstrate hydraulic control during operations. Additional long-term
aquifer testing will also be conducted on previously constructed wells. Hydrological data and modelling will be used for both the permitting application process and the feasibility
study. All drilling, data interpretation and modelling are expected to be completed in the second quarter
of 2015. Commenting on the hydrological program, Stephen Twyerould, president and chief executive officer, stated:
"The economic advantages of the Gunnison project are based largely upon the hydrology elements that
define the project. The results of the hydrological program will represent the largest and perhaps the
most important component of our feasibility study. We look forward to reaffirming that the conditions
at Gunnison are optimal for safe and effective in situ recovery copper mining." Dr. Stephen Twyerould, fellow of AusIMM, president and chief executive officer of Excelsior, and a qualified
person as defined by National Instrument 43-101, has reviewed and approved the technical information
disclosed in this news release.
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