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Moneta to Acquire Garrison Project from O3 Mining to Create a Leading Canadian GOLD Development Company with 4.0M OZ GOLD Indicated and 4.4M OZ GOLD Inferred

Mergers & Acquisitions Property Options & Staking

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NEWS RELEASE – 01/2021 Symbol: TSX: ME FOR IMMEDIATE RELEASE

MONETA TO ACQUIRE GARRISON PROJECT FROM O3 MINING TO CREATE A

LEADING CANADIAN GOLD DEVELOPMENT COMPANY WITH 4.0M OZ GOLD

INDICATED AND 4.4M OZ GOLD INFERRED

NOT FOR DISTRIBUTION TO UNITED STATES NEWS WIRE SERVICES OR FOR DISSEMINATION IN THE

UNITED STATES

Toronto, Ontario – January 14, 2021 - Moneta Porcupine Mines Inc. (TSX:ME) (OTC:MPUCF)

(XETRA:MOP) (“Moneta” or the “Company”) is pleased to announce that the Company has entered into

a definitive share purchase agreement (the " Purchase Agreement") with O3 Mining Inc. (TSX .V:OIII;

OTCQX:OQMGF) ("O3 Mining") pursuant to which Moneta will acquire all of the issued and outstanding

shares of Northern Gold Mining Inc., a wholly -owned subsidiary of O3 Mining , which owns 100% of the

Golden Bear assets, including the Garrison Gold project ("Garrison") located adjacent to and contiguous

with Moneta’s Golden Highway project in the Timmins Gold Camp (the "Transaction").

Under the terms of the Purchase Agreement, O3 Mining shall receive approximately 150 million common

shares of Moneta ( "Moneta Shares"). Upon completion of the Transaction, and prior to the financing

described below, O3 Mining is expected to own approximately 30% of the outstanding Moneta shares.

Concurrent with the Transaction, Moneta will raise approximately $20 million in equity.

Transaction Highlights:

• Creation of a leading gold exploration and development company with 3 ,967,000 ounces (oz)

gold (Au) in the indicated category and 4,399,000 oz Au in the inferred category located in the

prolific Timmins Gold Camp

o 3,335,000 oz Au open pit indicated gold resources and 2,270,000 oz Au open pit inferred

gold resources

o 632,000 oz Au underground indicated gold resources and 2,129,000 oz Au underground

inferred gold resources

• Addition of 1,822,000 oz Au in the indicated c ategory and 1,062,000 oz Au in the inferred

category to Moneta's mineral inventory immediately adjacent to the Golden Highway project

• Substantial development and operating synergies through an integrated project

o Potential for a much larger scale project than originally envisioned for the Preliminary

Economic Assessment (“PEA”) on the South West deposit announced in September

2020

o Potential starter pit at Garrison with outcropping gold resources at higher grades and a

lower strip ratio to augment the development of Moneta’s open pit resources

• Addition of 9,269 hectares (ha) (92.69 square kilometres (sq.km)) of adjacent and contiguous

prospective ground to Moneta’s claim base in the Timmins Gold Camp

• Concurrent $20 million equity financing to fund an aggressive drill campaign

• Enhanced capital markets profile and exposure

• Platform for further district consolidation

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Gary O’Connor, CEO of Moneta, commented; “The acquisition of the Golden Bear assets will transform

Moneta into one of the largest gold development companies in North America with a significant resource

and land holding in Canada’s most prolific gold mining camp. The Golden Bear assets, including the

Garrison Gold deposits, are adjacent to our flagship Golden Highway project and provide significant

synergies and multiple options for the development of our gold resources. Moneta will hold 3,967,000

ounces of indicated gold resources and 4,339,000 million ounces of inferred gold resources including both

high-grade bulk tonnage underground deposits and near surface open pit resources. With completion of

the proposed equity financing, the Company will be well funded to test the ex pansion potential of the

integrated project. The Transaction provides a good endorsement of our project and adds a highly

successful project development company as a partner”.

José Vizquerra, President and CEO of O3 Mining, commented: " O3 Mining is pleased to unlock value for

our shareholders through our investment in, and support of, Moneta, and the possible future development

of a large and long -life gold project in Timmins, Ontario – one of Canada's most productive gold camps.

The consolidation of these two historically fractioned mining camps will allow for a more systematic

exploration strategy going forward, and unlock value for our shareholders and other Moneta shareholders

alike as the project develops. We look forward to partnering with Moneta's management team, through

our board representation, and being part of Moneta's growth story in the Timmins Mining Camp, in our

role as a significant shareholder".

Benefits to Shareholders

The Transaction is expected to result in the following benefits for our shareholders:

• One of the largest undeveloped gold mining projects in North America

• Potential for a much larger scale project than originally envisioned in the PEA studies recently

completed on the Golden Highway and Garrison gold projects (The “Tower Gold Project”) with

substantial economic benefits to be realized from operational and development synergies

• Land position increased by 73% for resource expansion in the prolific Timmins Gold Camp

• Potential starter pit at Garrison containing 1,070,000 oz Au at a grade of 1.04 g/t Au at a low strip

ratio (2.7:1) and a cash production cost of US$721/oz of Au with outcropping gold mineralization

to augment the development of Moneta’s open pit resources

• Significant increase of gold resources in the indicated category

• Combined exploration agreement s and consolidation of good working relations with the

Wahgoshig First Nation

• Continued resource expansion potential and opportunities

Transaction Details

The Transaction is subject to approval by a simple majority of the votes cast by Moneta shareholders, TSX

approval and other closing conditions customary in transactions of this nature.

The Purchase Agreement includes, among other things, mutual non -solicitation provisions, a customary

“fiduciary out” provision of Moneta and a right for O3 Mining to match superior proposals and a $1.42

million termination fee payable by Moneta to O3 Mining under certain circumstances.

Concurrent with closing of the Transaction, Moneta and O3 Mining will enter into an investor rights

agreement (the "Investor Rights Agreement") pursuant to which the Moneta board of directors shall be

reconstituted to consist of eight individuals with O3 Mining entitled to nominate two directors and one

newly appointed independent director to be agreed upon by the parties. Additionally, (i) for so long as O3

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Mining holds greater than 25% of the issued and outstanding Moneta Shares, O3 Mining shall have the

right to nominate two nominees for election as directors of Moneta; and (ii) for so long as O3 Mining holds

greater than 10% of the issued and outstanding Moneta Shares, O3 Mining shall have the right to

nominate one nominee for election as a director of Moneta and one nominee to the Technical Committee

of the Moneta board of directors to be established following the closing of the Transaction. The Investor

Rights Agreement includes, among other things, pre-emptive and top-up rights in favour of O3 Mining, a

standstill provision for a period of 2 years and a share transfer restriction prov ision effective until

December 31, 2022.

Moneta appointed a special committee of independent directors to consider and make a

recommendation with respect to the Transaction. Based in part on the unanimous recommendation of

the special committee of Moneta, the Purchase Agreement has been unanimously approved by the board

of directors of Moneta. The Purchase Agreement has also been unanimously approved by the board of

directors of O3 Mining. The Moneta board of directors recommends that shareholders vote in favor of the

Transaction.

Maxit Capital LP has provided a fairness opinion to the board of directors of Moneta. The fairness opinion

stated that, as of the date thereof and, based upon and subject to the assumptions, limitations and

qualifications stated in such opinion, the consideration received under the Purchase Agreement is fair,

from a financial point of view, to the Moneta shareholders.

Directors of Moneta holding an aggregate of 16.49% of the outstanding shares have entered into

customary voting and support agreements with O3 Mining to vote in favour of the Transaction, subject to

certain exceptions.

Moneta also intends to consolidate its share capital on a 6 for 1 basis (the “Consolidation”), subject to the

receipt of all necessary approvals, following the closing of the Transaction. The Consolidation Resolution

requires approval by not less than two -thirds (66 2/3%) of the votes cast by the Moneta shareholders

present in person, or represented by proxy, at Moneta shareholder meeting.

Full details of the Transaction and other business of the Moneta shareholder meeting will be included in

a Moneta management information circular that is expected to be mailed to Moneta shareholders in

February 2021. It is anticipated that the Moneta shareholder meeting and the closing of the Transaction

will take place in the second quarter of 2021.

Moneta Financing

The Company has entered into an agreement with Paradigm Capital Inc. (" Paradigm") and Dundee

Goodman Merchant Partners (“ Dundee”) on behalf of a syndicate of underwriters (together with

Paradigm and Dun dee, the “ Underwriters”), in connection with a “bought deal” private placement

offering (the "Bought Deal Offering") for aggregate gross proceeds of approximately C$17,000,000. The

Bought Deal Offering will consist of 30,435,000 common shares of the Company that qualify as “flow -

through shares” (within the meaning of subsection 66(15) of the Income Tax Act (Canada)) (the “Flow

Through Shares”) at a price of C$0.46 per Flow Through Share and 9,375,000 common shares (“ Hard

Dollar Shares”) at a price of C$0.32 per Hard Dollar Share.

In addition, the Company has granted the Underwriters an option to purchase that number of additional

Flow Through Shares and/or Hard Dollar Shares on the terms described above for additional aggregate

gross proceeds of up to approximately C$2,550,000, exercisable up to 48 hours prior to the closing of the

Bought Deal Offering.

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Concurrent with the Bought Deal Offering, Moneta is also undertaking a non-brokered private placement

(together with the Bought Deal Offering, the “ Offerings”) of subscription receipts (the “ Subscription

Receipts”) at a price of C$0.32 per Subscription Receipt for gross proceeds of up to C$3,000,000. The

proceeds from the sale of the Subscription Receipts are expected to be deposited into escrow pending

satisfaction of certain escrow release conditions, including closing of the Transaction. At the time the

Transaction closes, each Subscription Receipt will be exchanged for one common share of the Company.

The Company will use an amount equal to the gross proceeds received by the Company from the sale of

the Flow Through Shares, pursuant to the provisions in the Income Tax Act (Canada), to incur or be

deemed to incur eligible "Canadian exploration expenses" that qualify as "flow -through mining

expenditures" as both terms are defined in the Income Tax Act (Canada) (the "Qualifying Expenditures")

on future and current properties of the Company or a subsidiary thereof on or before December 31, 2022,

and to renounce all the Qualifying Expenditures in favour of the subscribers of the Flow Through Shares

effective on or before December 31, 2021. The proceeds from the sale of the Hard Dollar Shares and

Subscription Receipts will be used for exploration and developme nt activities on future and current

properties of the Company or a subsidiary thereof and for general corporate purposes.

The Bought Deal Offering is expected to close on or about February 4, 2021. The Offerings are subject to

certain closing conditions in cluding the approval of the Toronto Stock Exchange. All securities issued

pursuant to the Offerings will have a hold period of four months and one day.

Completion of the Transaction is not contingent on completion of the Offering s and completion of the

Bought Deal Offering is not contingent on completion of the Transaction.

The securities have not been, and will not be, registered under the Unites States Securities Act of 1933,

as amended (the “U.S. Securities Act”), or any U.S. state security laws, and may not be offered or sold in

the Unites States without registration under the U.S. Securities Act and all applicable state securities laws

or compliance with requirements of an applicable exemption therefrom. This press release shall not

constitute an offe r to sell or the solicitation of an offer to buy securities in the Unites States, nor shall

there be any sale of these securities in any jurisdiction in which such offer, solicitation or sale would be

unlawful.

Advisors

Moneta has engaged Maxit Capital LP ("Maxit") as its financial advisor and Stikeman Elliott LLP as its legal

counsel. Maxit has provided a fairness opinion to the Board of Directors of Moneta that, subject to the

assumptions, limitations, and qualifications set out therein, the consideration paid by Moneta is fair, from

a financial point o f view to Moneta. O3 Mining has engaged Sprott Capital Partners LP as its financial

advisor and Bennett Jones LLP as its legal counsel. Cassels Brock & Blackwell LLP is acting as counsel for

the Underwriters.

Webcast Details

Management will host a webcast and conference call to discuss the results of the transaction accompanied

by José Vizquerra, President and CEO of O3 Mining, on Thursday January 14th, 2021 at 11:00 am (EST).

Conference call number

Toll Free Dial-In Number: (833) 772-0367

International Dial-In Number: (343) 761-2596

Webcast Link

https://onlinexperiences.com/Launch/QReg/ShowUUID=9233F573-2D68-4C1A-9191-A13B5FABEFEF

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A replay of the conference call will be available at 2:00 pm on the Company’s website and by calling (800)

585-8367 or (416) 621-4642, Conference ID 9741619.

About the Golden Bear Assets

O3 Mining holds 9,269 ha of prospective land within the Golden Bear project located adjacent to or in

near proximity to Moneta’s Golden Highway project, 100 km east of Timmins. O3 Mining completed an

updated resource estimate and preliminary econo mic assessment (PEA) study on the Garrison Gold

project within the Golden Bear project in December 2020. The study highlighted a measured and indicated

open pit resource of 1,822,000 ounces contained within 66.3 Mt @ 0.86 g/t Au and an inferred open pit

resource of 1,062,000 ounces contained within 45.3 Mt @ 0.73 g/t Au at a 0.30 g/t Au cut -off. The PEA

study showed an open pit mining operation consisting of a 12-year mine life with an after -tax NPV5% of

C$321MM, IRR of 33% and a 2.3 year payback. The project envisaged open pit mining producing 121,000

oz/pa in years 1 to 8 (94,000 oz/pa LOM), at a strip ratio of 2.7:1 at a cash cost of US$721/oz using a gold

price of US$1,450/oz and an exchange rate of C US$0.75/C$.

About Moneta

Moneta’s land package in the Timmins Gold Camp covers 12,742 hectares (ha) including six gold projects

plus a joint venture with Kirkland Lake Gold Corporation (TSX: KL) covering 4,334 ha. The Company’s

flagship project, Golden Highway Gold Project is located 100 km eas t of Timmins and hosts a total

indicated resource of 2,145,000 ounces gold contained within 55.3 Mt @ 1.21 g/t Au and a total of

3,337,000 ounces gold contained within 49.7 Mt @ 2.09 g/t Au in the inferred category at a 2.60 g/t Au at

South West, 3.00 g/t Au cut-off for the other underground deposits and 0.30 g/t Au for the open pit

deposits. The project includes a total of 1,512,000 ounces of open pit indicated resources contained within

50.5 Mt @ 0.93 g/t Au and 1,207,000 ounces of open pit inferred resou rces contained within 34.0 Mt @

1.10 g/t Au. The project also includes 632,000 ounces of indicated underground resources contained

within 4.9 Mt @ 4.05 g/t Au and 2,128,000 ounces of inferred underground resources within 15.7 Mt @

4.21 g/t Au.

A PEA study was completed in September 2020 on the South West underground gold deposit, one of 6

deposits located on the Golden Highway project, and highlighted an underground bulk mining operation

consisting of an 11 -year mine life with an after -tax NPV5% of C$236MM, IRR of 30% and a 3.4 year

payback, generating C$371MM LOM after -tax free cash flow. The project envisaged producing 76,000

oz/pa at a cash cost of US$590/oz at a gold price of US$1,500/oz and an exchange rate of US$0.77/C$.

The open pit resour ces and new underground discoveries have not yet been subjected to a preliminary

economic assessment study at Golden Highway.

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Table 1: New Moneta; Mineral Resources

Open Pit Underground

Deposit Tonnes Grade Ounces Tonnes Grade Ounces

(t) (g/t) (oz) (t) (g/t) (oz)

South West*

Indicated 4,530,000 4.07 592,000

Inferred 9,607,000 4.01 1,238,000

Windjammer South*

Indicated 40,582,000 0.84 1,100,000 6,000 3.90 1,000

Inferred 28,956,000 1.10 1,028,000 143,000 4.06 19,000

Westaway/West Block*

Indicated

Inferred 4,367,000 4.71 662,000

55*

Indicated 9,896,000 1.30 413,000

Inferred 5,079,000 1.10 180,000 123,000 4.65 18,000

Discovery*

Indicated 141,000 3.49 16,000

Inferred 658,000 4.00 85,000

Windjammer North*

Indicated 182,000 3.98 23,000

Inferred 813,000 4.08 107,000

Garcon**

Indicated 20,923,000 0.82 552,000

Inferred 7,056,000 0.87 197,000

903**

Indicated 27,558,000 0.84 747,000

Inferred 30,760,000 0.69 682,000

Jonpol**

Indicated 17,786,000 0.91 523,000

Inferred 7,521,000 0.76 183,000

Total Indicated 116,745,000 0.89 3,335,000 4,859,000 4.05 632,000

Total Inferred 79,372,000 0.89 2,270,000 15,711,000 4.21 2,129,000

*Micon International Ltd, December 08, 2020, **Ausenco Engineering Canada Ltd, December 14, 2020

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Figure 1: Moneta: Timmins Gold Camp Claims

Figure 2: Moneta; Mineral Resource Location Map

Qualified Persons

The scientific and technical information contained in this news release relating to Moneta has been

approved by Mr. Kevin Montgomery, P.Geo, who is a qualified person within the meaning of National

Instrument 43-101 - Standards of Disclosure for Mineral Projects.

The scientific and technical information contained in this news release relating to O3 Mining has been

approved by Mr. Louis Gariepy, Eng. (OIQ #107538), VP Exploration, who is a qualified person within the

meaning of National Instrument 43-101 - Standards of Disclosure for Mineral Projects.

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For additional information, including with respect to the key assumptions, parameters and methods used

in respect of the resource estimate for Moneta’s Golden Highway Project , refer to the technical report

entitled “An Updated Mineral Resource estimate and preliminary economic assessment for the South

West Deposit at the Golden Highway Project Michaud and Garrison Townships, Black River – Matheson

Area, Northeastern Ontario ”, effective September 09, 2020 and dated October 21, 2020 available on

SEDAR and press release ME PR -24-2020 dated December 10, 2020 entitled “Moneta reports NI 43 -101

Golden Highway Resource Update” , both of which are available on SEDAR (www.sedar.com”) under

Moneta's issuer profile and on Moneta’s website at www.monetaporcupine.com. The NI 43-101 technical

report being prepared by Micon International Ltd for the December 10, 2020 resource update is due to

be filed on SEDAR (www.sedar.com) and Moneta’s website by January 24, 2021. Mr. B. Terrence

Hennessey, P.Geo. of Micon is the independent "qualified person" responsible for the completion of the

updated mineral resource estimation.

For additional information, including with respect to the key assumptions, parameters and methods used

in respect of the resource estimate and PEA for O3 Mining's Garrison Project in the Kirkland Lake region

in Ontario, Canada, please refer to the press release prepared by O3 Mining on December 14, 2020. A NI

43-101 technical report is being prepared by Ausenco Engineering Canada Inc., which will be filed on

SEDAR (www.sedar.com) under O3 Mini ng's issuer profile and on O3 Mining's website by January 28,

2021. The PEA has been prepared by Ausenco with input from the following qualified persons who are

independent of O3 Mining for purposes of NI 43 -101: Tommaso Roberto Raponi, P. Eng, Process and

Infrastructure; Scott Elfen, P.E., Tailings and Water Management; Mike Petrina, P.Eng, Mining; Sue Bird,

P.Eng, Resource Estimate; and Scott Weston, P.Eng, Environment.

FOR FURTHER INFORMATION, PLEASE CONTACT:

Gary V. O’Connor, CEO

416-357-3319

Linda Armstrong, Investor Relations

647-456-9223

The Company’s public documents may be accessed at www.sedar.com. For further information on the Company, please visit our website at

www.monetaporcupine.com or email us at [email protected].

This news release includes certain forward -looking information and forward -looking statements, collectively “forward -looking

statements” within the meaning of applicable Canadian securities legislation. Forward-looking statements are frequently

identified by such words as “may”, “will”, “plan”, “expect”, “anticipate”, “estimate”, “intend” and similar words referring to future

events and results. Forward -looking statements include, but are not limited to information with respect to the closing of the

Transaction, the benefits of the Transaction, mailing the information circular, the shareholder meeting, the completion of the

Consolidation, closing of the Offering s, tax treatment of the Flow Through Shares, use of proceeds of the Offerings , the future

performance of the business, its operations and financial performance and condition such as the Company’s drilling program and

the timing and results thereof; and the ability of the Company to finance and carry out its anticipated goals and objectives.

Forward-looking statements are based on the current opinions and expectations of management. All forward-looking information

is inherently uncertain and subject to a variety of assumptions, risks and uncertainties, including the speculative nature of mineral

exploration and development, fluctuating commodity prices, competitive risks and the availability of financing, as described in

more detail in our recent securities filings available at www.sedar.com. Actual events or results may differ materially from those

projected in the forward looking-statements and we caution against placing undue reliance thereon. We assume no obligation to

revise or update these forward-looking statements.