Excelsior Mining Produces First Copper Cathode
26427809.2
NEWS RELEASE
Excelsior Mining Produces First Copper Cathode
December 21, 2020
Excelsior Mining Corp. (TSX: MIN) (FSE: 3XS) (OTCQX: EXMGF) ("E xcelsior" or the “Company”)
is pleased to announce first copper cathode production has been achieved at the Gunnison Copper
Project in Arizona.
Highlights include:
Copper cathode production has commenced;
The wellfield optimization program has expanded to include mor e production wells; additional
time will be required to bring the entire wellfield into production;
First copper cathode sales are anticipated for January 2021.
Stephen Twyerould, President & CEO, said, “I am happy to confirm that Excelsior Mining is the newest
copper producer in the United States. I congratulate our entire team on successfully achieving this
milestone while maintaining our excellent safety record and uph olding our commitment to responsible
mining. Our focus for the coming quarter will be on expanding w ellfield operations with the goal of
achieving full, nameplate, capacity of 25 million pounds per annum by late 2021. Finally, in consideration
of the timing of this news, I want to wish all of our stakeholders a safe and happy Christmas season.”
First Copper Video & Photos:
A video and photos of first copper cathode production can be viewed here.
About Excelsior Mining
Excelsior “The Copper Solution Company ” is a mineral exploration and production company that owns
the Gunnison Copper Project in Cochise County, Arizona. The pro ject is a low cost, environmentally
friendly in-situ recovery copper extraction project that is per mitted to 125 million pounds per year of
copper cathode production. The Feasibility Study projected an a fter-tax NPV of US$ 807 million and an
IRR of 40% using a US$ 2.75 per pound copper price and a 7.5% discount rate.
Excelsior’s technical work on the Gunnison Copper Project is supervised by Stephen Twyerould, Fellow
of AUSIMM, President & CEO of Excelsior and a Qualified Person as defined by National Instrument 43-
101. Mr. Twyerould has reviewed and approved the technical information contained in this news release.
Additional information about the Gunnison Copper Project can be found in the technical report filed on
SEDAR at www.sedar.com entitled: “Gunnison Copper Project, NI 4 3-101 Technical Report, Feasibility
Study” dated effective December 17, 2016.
For more information on Excelsior, please visit our website at www.excelsiormining.com.
For further information regarding this press release, please contact:
Excelsior Mining Corp.
26427809.2
2
Concord Place, Suite 300, 2999 North 44th Street, Phoenix, AZ, 85018.
JJ Jennex, Vice President, Corporate Affairs
T: 604 723 1433
www.excelsiormining.com
Cautionary Note Regarding Forward-Looking Information
This news release contains "forward-looking information" concerning anticipated developments and events that may
occur in the future. Forward looking information contained in this news release includes, but is not limited to,
statements with respect to: (i) the results of the Feasibility Study, including operating and capital cost estimates and
the economic benefits from the Gunnison Copper Project; (ii) the details of the operations plan; (iii) the timeline to
a 25 million pound per year production rate; (iv) plans to expand wellfield operations; (v) health and safety matters.
In certain cases, forward-looking information can be identif ied by the use of words such as "plans", "expects" or
"does not expect", "budget", "scheduled", "estimates", "forecasts", "intends", "anticipates" or "does not anticipate",
or "believes", or variations of such words and phrases or state that certain actions, events or results "may", "could",
"would", "might", "occur" or "be achieved" suggesting fu ture outcomes, or other expectations, beliefs, plans,
objectives, assumptions, intentions or statements about future events or performance. Forward-looking information
contained in this news release is based on certain fa ctors and assumptions regardi ng, among other things, the
estimation of mineral resources and mineral reserves, t he realization of resource and reserve estimates,
expectations and anticipated impact of the COVID-19 outbreak, copper and other metal prices, the timing and
amount of future development expenditures, the estimati on of initial and sustaining capital requirements, the
estimation of labour and operating costs (including the price of acid), the availability of labour, material and acid
supply, receipt of and compliance with necessary regulatory approvals, the estimation of insurance coverage, and
assumptions with respect to currency fluctuations, environm ental risks, title disputes or claims, and other similar
matters. While the Company considers these assumptions to be reasonable based on information currently
available to it, they may prove to be incorrect.
Forward looking information involves known and unknown risks, uncertainties and other factors which may cause
the actual results, performance or achievements of the Company to be materially different from any future results,
performance or achievements expressed or implied by the forward-looking information. Such factors include risks
inherent in the construction of mineral deposits, including risks relating to changes in project parameters as plans
continue to be redefined including the possibility that mining operations may not be sustained at the Gunnison
Copper Project, risks relating to variations in mineral resources and reserves, grade or recovery rates, risks relating
to the ability to access infrastructure, risks relating to changes in copper and other commodity prices and the
worldwide demand for and supply of copper and related prod ucts, risks related to increased competition in the
market for copper and related products, ri sks related to current global financial conditions, risks related to current
global financial conditions and the impact of COVID-19 on the Company’s business, uncertainties inherent in the
estimation of mineral resources, access and supply risks, risks related to the ability to access acid supply on
commercially reasonable terms, reliance on key personnel, operational risks inherent in the conduct of mining
activities, including the risk of accidents, labour disputes, increases in capital and operating costs and the risk of
delays or increased costs that might be encountered during the construction proc ess, regulatory risks, financing,
capitalization and liquidity risk s, risks related to disputes concerning pr operty titles and interests, environmental
risks and the additional risks identified in the “Risk Factors” section of the Company’s reports and filings with
applicable Canadian securities regulators.
Although the Company has attempted to identify important factors that could cause actual actions, events or results
to differ materially from those described in forward-look ing information, there may be other factors that cause
actions, events or results not to be as anticipated, esti mated or intended. Accordingl y, readers should not place
undue reliance on forward-looking information. The forward-looking information is made as of the date of this news
release. Except as required by applicable securities laws, the Company does not undertake any obligation to
publicly update or revise any forward-looking information.