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Atico Produces 3.75 Million Pounds of Cu and 2,724 Ounces of Au in Q3 2022

Production Results

Atico Produces 3.75 Million Pounds of Cu and 2,724 Ounces of Au in Q3 2022

VANCOUVER, British Columbia, Oct. 27, 2022 -- Atico Mining Corporation (the “Company” or “Atico”) (TSX.V: ATY | OTCQX:

ATCMF) announces its operating results for the three months ended September 30, 2022 from its El Roble mine. Production

for the quarter totaled 3.75 million pounds of copper and 2,724 ounces of gold in concentrates, a decrease of 15% for copper

and an increase of 8% for gold over the same period in 2021.

“Production for the period was slightly below budget due to extended maintenance of the SAG mill system. This was mostly

driven by unusually long shipping delays of spare parts that were required to perform the maintenance. Production rate

improved towards the end of the quarter as steady state-run rate was again achieved.” said Fernando E. Ganoza, CEO. “For

the fourth quarter, we continue looking for opportunities to improve metal production as we stay on track to deliver our 2022

production guidance. At the same time, we are aggressively drill testing in proximity to our mine and on the large regional land

package.”

Third Quarter Operational Highlights

• Production of 3.75 million pounds of copper contained in concentrates; a decrease of 15% over Q3 2021.

• Production of 2,724 ounces of gold contained in concentrates; a decrease of 9% over Q3 2021.

• Average processed tonnes per day of 786, a decrease of 15% over Q3 2021.

• Copper head grade of 3.12%, an increase of 11% over Q3 2021.

• Gold head grade of 2.28 grams per tonne; an increase of 13% over Q3 2021.

• Copper and gold recovery of 91.5% and 62%; no significant change for copper and an increase of 4% for gold,

respectively over Q3 2021.

Third Quarter Operational Review

Overall production was slightly below the Company budget for the third quarter. The decrease in both copper and gold

production is mainly explained by the decrease in processed tonnes, partially offset by improved head grades for the period.

Copper recovery was in line with the Company budget while the gold recovery showed a slight improvement over the same

period last year. During the quarter the Company delivered two concentrate shipments as the operation remains on track to

deliver on set guidance throughout the remainder of the year.

Third Quarter Operational Details

  Q3 2022 Q3 2021 % Change

Production (Contained in Concentrates)      

Copper (000s pounds) 3,753 4,442 -15%

Gold (ounces) 2,724 2,978 -9%

Mine      

Tonnes of ore mined 66,245 76,276 -13%

Mill      

Tonnes processed 59,689 77,816 -23%

Tonnes processed per day 786 919 -15%

Copper grade (%) 3.12 2.80 11%

Gold grade (g/t) 2.28 2.02 13%

Recoveries      

Copper (%) 91.5 92.6 Nil %

Gold (%) 62.0 58.8 5%

Concentrates      

Copper and Gold Concentrates (dmt) 9,048 10,704 -15%

Payable copper produced (000s lbs) 3,565 4,220 -15%

Note: Metal production figures are subject to adjustments based on final settlement.

Concentrate Inventory

The number of shipments the Company can export in any given quarter depends on several variables some of which the

Company does not control, hence there may be an inherent variability in tonnes shipped quarter to quarter.

  Q3 2022

Amounts in dry metric tonnes  

Opening inventory 13,458

Production 9,048

Sales -14,219

Number of shipments 2

Adjustments -267

Closing inventory 8,020

Note: Concentrate figures are subject to adjustments based on final surveys and final settlement of sales.

El Roble Mine

The El Roble mine is a high grade, underground copper and gold mine with nominal processing plant capacity of 1,000 tonnes

per day, located in the Department of Choco in Colombia. Its commercial product is a copper-gold concentrate.

Since obtaining control of the mine on November 22, 2013, Atico has upgraded the operation from a historical nominal

capacity of 400 tonnes per day.

El Roble has Proven and Probable reserves of 1.00 million tonnes grading 3.02% copper and 1.76 g/t gold, at a cut-off grade of

1.3% copper equivalent with an effective date of September 30, 2020. Mineralization is open at depth and along strike and the

Company plans to further test the limits of the deposit. On the larger land package, the Company has identified a prospective

stratigraphic contact between volcanic rocks and black and grey pelagic sediments and cherts that has been traced by Atico

geologists for ten kilometers. This contact has been determined to be an important control on VMS mineralization on which

Atico has identified numerous target areas prospective for VMS type mineralization occurrence, which is the focus of the

current surface drill program at El Roble.

Qualified Person

Mr. Thomas Kelly (SME Registered Member 1696580), advisor to the Company and a qualified person under National

Instrument 43-101 standards, is responsible for ensuring that the technical information contained in this news release is an

accurate summary of the original reports and data provided to or developed by Atico.

About Atico Mining Corporation

Atico is a growth-oriented Company, focused on exploring, developing and mining copper and gold projects in Latin America.

The Company generates significant cash flow through the operation of the El Roble mine and is developing it’s high-grade La

Plata VMS project in Ecuador. The Company is also pursuing additional acquisition of advanced stage opportunities. For more

information, please visit www.aticomining.com.

ON BEHALF OF THE BOARD

Fernando E. Ganoza

CEO

Atico Mining Corporation

Trading symbols: TSX.V: ATY | OTCQX: ATCMF

Investor Relations

Igor Dutina

Tel: +1.604.633.9022

Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX

Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

No securities regulatory authority has either approved or disapproved of the contents of this news release. The securities

being offered have not been, and will not be, registered under the United States Securities Act of 1933, as amended (the

‘‘U.S. Securities Act’’), or any state securities laws, and may not be offered or sold in the United States, or to, or for the

account or benefit of, a "U.S. person" (as defined in Regulation S of the U.S. Securities Act) unless pursuant to an exemption

therefrom. This press release is for information purposes only and does not constitute an offer to sell or a solicitation of an

offer to buy any securities of the Company in any jurisdiction.

Cautionary Note Regarding Forward Looking Statements

This announcement includes certain “forward-looking statements” within the meaning of Canadian securities legislation. All

statements, other than statements of historical fact, included herein, without limitation the use of net proceeds, are forward-

looking statements. Forward- looking statements involve various risks and uncertainties and are based on certain factors and

assumptions. There can be no assurance that such statements will prove to be accurate, and actual results and future events

could differ materially from those anticipated in such statements. Important factors that could cause actual results to differ

materially from the Company’s expectations include uncertainties relating to interpretation of drill results and the geology,

continuity and grade of mineral deposits; uncertainty of estimates of capital and operating costs; the need to obtain additional

financing to maintain its interest in and/or explore and develop the Company’s mineral projects; uncertainty of meeting

anticipated program milestones for the Company’s mineral projects; the world-wide economic and social impact of COVID-19

is managed and the duration and extent of the coronavirus pandemic is minimized or not long-term; disruptions related to the

COVID-19 pandemic or other health and safety issues, or the responses of governments, communities, the Company and

others to such pandemic or other issues; and other risks and uncertainties disclosed under the heading “Risk Factors” in the

prospectus of the Company dated March 2, 2012 filed with the Canadian securities regulatory authorities on the SEDAR

website at www.sedar.com