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Abacus Provides Review of Ajax

Corporate Updates

Abacus Provides Review of Ajax

Vancouver, BC – February 22, 2021. Abacus Mining & Exploration Corporation (“Abacus” or

the “Company”) (TSXV: AME) wishes to provide a review of the Ajax copper -gold project,

located near Kamloops, British Columbia.

Abacus holds a 20% ownership interest in Ajax, which is managed by base metal major KGHM

Polska Miedź S.A., who hold the remaining 80%. Ajax was mined in the late 1980’s by Teck as

part of their Afton operation. Abacus acquired the Ajax project from Teck and advanced it until

2010, when KGHM was brought onboard. The old Afton Mine site just west of Ajax was put

back into production in 2012 by New Gold as the New Afton Mine.

The Ajax Project contains significant remaining quantities of copper and gold, withi n a NI 43-

101 Proven and Probable Mineral Reserve of 426 Mt at 0.29% Cu, 0.19 g/t Au and 0.39 g/t Ag.

Contained metal is in the order of 2.7 Bil lbs Cu, 2.6 Moz Au and 5.3 Moz Ag *

Ajax last underwent a Feasibility Study in 2016 **, where the project at that time was designed

to mine 65,000 tonnes per day over an 18 -year mine life. The mine would provide significant

employment during both construction and operation and substantial tax revenues would accrue

to all levels of government. It should be noted that the 2016 Feasibility Study used metal prices

of US$3.21/lb Cu, US$1200/oz. Au, and US$17/oz. Ag , which are significantly lower than

current prices.

The Ajax Project underwent a joint provincial and federal environmental review starting in 2011,

which culminated in the decision by the B.C. Minister of Environment and Climate Change

Strategy and the Minister of Energy, Mines and Petroleum Resources to decline to issue an

environmental assessment certificate for the Project in December of 2017.

Since then, KGHM in consultation with Abacus has worked to evaluate possibilities for further

project development, taking into account relations with all project stakeholders. KGHM opened

a new Kamloops office for the Ajax project late last year following the appointment last

September of a new Ajax Superintendent.

The Company also has additional copper properties of merit in Nevada that are wholly

managed by Abacus. The Willow and adjacent Nev-Lorraine copper-molybdenum properties

are in the Yerington copper camp, southeast of Reno. Drilling by the Company in 2018

intersected a key intrusive rock unit on Willow that hosts all known porph yry Cu-Mo deposits

at Yerington. This rock unit was not previously known to exist on the Company’s property, and

it represents a significant new discovery. The target is large and robust, it remains essentially

untested, and further drilling appears to be warranted.

Abacus also controls a Nevada gold property, where an initial drill campaign has just started.

The Jersey Valley property is prospective for epithermal precious metal mineralization in an

active hydrothermal environment, like the Taupo volcanic zone in New Zealand, and is also

prospective for Au-Ag skarns. The property has a well-maintained sealed road running through

it, which provides access to a 15 MW geothermal power plant located on the claim group.

Suite 1000 – 1050 West Pender Street

Vancouver, B.C. V6E 3S7 Canada

Tel: 604.682.0301

email: [email protected]

website: www.amemining.com

TSX Venture Exchange Symbol: AME

Jersey Valley is within the Battle Mountain trend of north-central Nevada in close proximity to

both the Phoenix/Fortitude mine complex, a gold skarn with approximately 14 Moz gold plus

significant Ag and Cu past production and a proposed mine life to 2063, and the Cove/McCoy

Mine, a Carlin-type gold deposit with 3.4 Moz gold and 110 Moz Ag past production (data is

from the Newmont Mines and Premier Gold Mines websites. The reader is cautioned that the

mineralization hosted on nearby properties is not necessarily indicative of mineralization

hosted on the Company’s Jersey Valley gold property).

The technical information in this news release has been reviewed and approved by Paul G.

Anderson, M.Sc., P.Geo., a Qualified Person within the meaning of National Instrument 43 -

101.

* Wardrop Engineering Inc. 2012. Ajax Copper/Gold Project, Kamloops, British Columbia –

Feasibility Study Technical Report. Doc. No. 1054610300-REP-R0004-02. January 2012.

** M3 Engineering and Technology Corp., February 19, 2016. Ajax Project NI 43-101

Technical Report Feasibility Study Update.

On Behalf of the Board,

ABACUS MINING & EXPLORATION CORPORATION

Paul G. Anderson, P.Geo.

President and CEO

About Abacus

Abacus is a mineral exploration and mine development company currently focused on copper and gold in B.C. and

Nevada. The Company’s main asset is a 20% ownership interest, together with KGHM Polska Miedź S.A. (80%),

in the proposed copper-gold Ajax Mine located southwest of Kamloops, B.C., which has undergone a joint provincial

and federal environmental assessment process. On December 14, 2017, a decision was made by the B.C. Minister

of Environment and Climate Change Strategy and the Minister of Energy, Mines and Petroleum resources to decline

to issue an environmental assessment certificate for the Project. KGHM have recently reopened an office in

Kamloops, B.C. to facilitate First Nation, community and governmental engagement in order to advance the project

towards a potential resubmission of the environmental application.

Abacus also holds an option on the Willow copper-gold property located near Yerington, Nevada in which it can

acquire up to a 75% ownership interest, and the contiguous Nev -Lorraine clai ms subject to a ten -year lease

agreement. In addition, Abacus holds a 15-year lease on the Jersey Valley gold property, near Battle Mt., Nevada.

For the latest reports and information on Abacus’ projects, please refer to the Company’s website at

www.amemining.com.

Forward-Looking Information

This release includes certain statements that are deemed “forward -looking statements”. All statements in this release, other than statements of

historical facts, that address events or developments that Abacus expects to occur, are forward-looking statements. Forward-looking statements are

statements that are not historical facts and are generally, but not always, identified by the words “expects”, “plans”, “anticipates”, “believes”, “intends”,

“estimates”, “projects”, “potential” and similar expressions, or that events or conditions “will”, “would”, “may”, “could” or “should” occur. Although the

Company believes the expectations expressed in such forward -looking statements are based on reasonable assumptions, such statements are not

guarantees of future performance and actual results may differ materially from those in the forward-looking statements. Factors that could cause the

actual results to differ materially from those i n forward-looking statements include changes to commodity prices, mine and metallurgical recovery,

operating and capital costs, foreign exchange rates, ability to obtain required permits on a timely basis, exploitation and e xploration successes,

continued availability of capital and financing, and general economic, market or business conditions. Investors are cautioned that any such statements

are not guarantees of future performance and actual results or developments may differ materially from those projec ted in the forward -looking

statements. Forward-looking statements are based on the beliefs, estimates and opinions of the Company's management on the date the statements

are made. Except as required by applicable securities laws, the Company undertakes no obligation to update these forward -looking statements in

the event that management's beliefs, estimates or opinions, or other factors, should change.

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

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