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Aston Bay and American West Metals Announce C$17.1 Million Royalty Package for the Storm Copper Project, Canada Non-dilutive financing secured from leading royalty fund to support exploration and development at Storm C$3.425 million allocated to Aston Bay with no use of proceeds restriction

Financings Mergers & Acquisitions Royalties & Streams

Aston Bay and American West Metals Announce C$17.1 Million

Royalty Package for the Storm Copper Project, Canada

Non-dilutive financing secured from leading royalty fund to support

exploration and development at Storm

C$3.425 million allocated to Aston Bay with no use of proceeds restriction

TORONTO, Ontario, June 24, 2024 – Aston Bay Holdings Ltd. (TSXV: BAY) (OTCQB: ATBHF) ("Aston Bay" or

the "Company”) ) is pleased to announce that its joint venture partner American West Metals Limited

(“American West”) has entered into a binding agreement with Australian -based Taurus Mining Royalty

Fund L.P. (Taurus) whereby Taurus will provide funding of up to US$12.5 million (C$17.1 million1) under a

royalty package for the Storm Copper Project. Aston Bay and American West have formed a 20/80

unincorporated joint venture in respect of the Storm Project property, with Aston Bay maintaining a free

carried interest until a decision to mine upon completion of a bankable feasibility study. Aston Bay will be

allocated 20% of the funding from the royalty package (C$3.425 million) with no us e of proceeds

restriction.

Highlights

• Binding agreement entered with Taurus Mining Royalty Fund L.P. ( Taurus) to provide US$12.5 million (C$17.1

million1) in exchange for a royalty package over the Storm Copper Project

• The following funding will be advanced by Taurus:

• US$5m (C$6.85m) upon signing of formal documentation and financial close

• US$3.5m (C$4.80m) upon delivery of a PFS for Storm and submission of permitting documents for a

development at Storm

• US$4m (C$5.48m) upon announcement of an increase in the JORC compliant resource for Storm to at

least 400,000 tonnes of contained copper at a resource grade of at least 1.00% Cu

• Taurus will be granted a new 0.95% gross override royalty (GOR) from all production at Storm

• Funding under the royalty package will be allocated to American West Metals and Aston Bay Holdings in

accordance with their respective interests under the unincorporated joint venture for Storm, being 80% for

American West Metals and 20% for Aston Bay Holdings

• American West Metals will use its proceeds from the royalty funding to:

• Accelerate the Storm 2024 resource expansion and exploration programs, with the 20,000m summer

drilling program now underway

• Bring forward the logistics for the 2025 field activities with supplies delivered to site via sealift in 2024

(offering significant savings on the cost of the 2025 program)

1 Based on USD:CAD exchange rate of 1:1.37.

• Expedite the completion of ESG, mining and development studies

• There is no use of funds restriction for Aston Bay , providing a non-dilutive source of funds to advance the

Company’s other projects and contribute to the Company’s robust balance sheet

Thomas Ullrich, Chief Executive Officer of Aston Bay, commented:

“This is an excellent development for the Storm Project and Aston Bay . The royalty financing provides

significant funding and is structured to promote rapid advancement of the Storm Copper Project for our

partner American West. At the same time, it provides a significant amount of non-dilutive funds for Aston

Bay to advance our other critical minerals and gold exploration projects in Nunavut and Virginia.”

Dave O’Neill, Managing Director of American West Metals, commented:

“We are very pleased to have secured royalty funding to support the advancement of the Storm Copper

Project. The royalty financing provides American West with a substantial quantum of funds on terms that

are considerably more attractive and less dilutionary than alternative equity funding.

“The investment from Taurus is a strong endorsement of the potential at Storm and recognises the strong

foundations for growth established by the exploration and resource delineation work conducted by

American West to date.

“The Company is now well positioned to accelerate the 2024 and 2025 work programs at Storm, with the

2024 summer drilling program now in full swing. This puts American West in a strong position to grow

shareholder wealth as the demand outlook for copper reaches an all-time high.”

Michael Davies, Taurus Chief Investment Officer, also commented:

“We are delighted to be furthering our involvement with the Storm Copper Project which is rapidly

emerging as a high -grade, district-scale copper project. We look forward to working with the American

West Metals team as they continue to grow Storm’s copper endowment and advance the project to

production in the coming years.”

KEY ROYALTY TERMS

The key terms of the Taurus royalty package are set out below:

1. US$12.5 million funding

Funds will be advanced at the following stages:

(a) US$5 million on signing of formal documentation and financial close.

(b) US$3.5 million upon delivery of a pre-feasibility study for Storm and submission of permitting documents

for a development at Storm.

(c) US$4 million upon delivery of a resource increase in the JORC compliant resource for Storm to at least

400,000 tonnes of contained copper at a resource grade of at least 1.00% Cu.

2. Royalty

Taurus will be granted the following royalties over Storm:

(a) A 0.95% GOR on the sale of all product from Storm.

(b) A 0.50% GOR over any additional mineral rights acquired by American West within 5km of the current

extents of the Storm Project (“AOI Royalty”).

The 0.95% GOR, together with the historical 0.875% GOR over Storm acquired by Taurus from a third party

earlier this year, will give Taurus a total 1.825% GOR over Storm. (The historical 0.875% GOR was held by

Commander Resources Inc, a previous owner of the Storm Project).

The historical GOR included a buyback right whereby the GOR could be reduced from 0.875% to 0.475%

by payment of C$4 million. This buyback right will be cancelled as part of the new royalty arrangements.

Taurus will have the right to match any royalty or streaming transaction associated with the Storm Project

up until 12 months following the declaration of commercial production at the Project.

The new royalty arrangements will be documented in formal documentation that will reflect the above

commercial terms and will contain such other terms and conditions that are customary for royalty

financings of this kind.

About the Storm Copper and Seal Zinc-Silver Projects, Nunavut

The Nunavut property consists of 173 contiguous mining claims covering an area of approximately

219,257 hectares on Somerset Island, Nunavut, Canada. The Storm Project comprises both the Storm

Copper Project, a high -grade sediment-hosted copper discovery (intersections including 110m* @ 2. 5%

Cu from surface and 56.3m* @ 3. 1% Cu from 12.2m) as well as the Seal Zinc Deposit (intersections

including 14.4m* @ 10.6% Zn, 28.7g/t Ag from 51.8m and 22.3m* @ 23 .0% Zn, 5.1g/t Ag from 101.5m).

Additionally, there are numerous underexplored and undrilled targets within the 120 -kilometre strike

length of the mineralized trend, including the Tornado copper prospect where 10 grab samples yielded

>1% Cu up to 32% Cu in gossans. The Nunavut property is now the subject of an 80/20 unincorporated

joint venture with American West (see "Agreement with American West” below for more details).

Storm Discovery and Historical Work

High-grade copper mineralization was discovered at Storm in the mid -1990s by Cominco geologists

conducting regional zinc exploration around their then -producing Polaris lead -zinc mine. A massive

chalcocite boulder found in a tributary of the Aston River in 1996 was traced to impressive surface

exposures of broken chalcocite mineralization for hundreds of metres of surface strike length at what

became named the 2750N, 2200N, and 3500N zones. Subsequent seasons of prospecting, geophysics and

over 9 ,000 m of d rilling into the early 2000s confirmed a significant amount of copper mineralization

below the surface exposures as well as making the blind discovery of the 4100N Zone, a large area of

copper mineralization with no surface exposure.

Following the merger of Cominco with Teck in 2001 and the closure of the Polaris Mine, the Storm claims

were allowed to lapse in 2007. Commander Resources staked the property in 2008 and flew a helicopter-

borne VTEM survey in 2011 but conducted no additional drilling. Aston Bay subsequently entered into an

earn-in agreement with Commander and consolidated 100% ownership in 2015. Commander retained a

0.875% Gross Overriding Royalty in the area of the original Storm claims which was purchased by Taurus

Mining Royalty Fund L.P. in January 2024.

In 2016 Aston Bay entered into an earn -in agreement with BHP, who conducted a 2,000-station soil

sampling program and drilled 1,951m of core in 12 diamond drill holes, yielding up to 16m* @ 3 .1% Cu.

BHP exited the agreement in 2017 and retains no residual interest in the project. Aston Bay conducted a

property-wide airborne gravity gradiometry survey in 2017 and drilled 2,913m in nine core holes in the

Storm area in 2018 yielding a best intercept of 1.5m* @ 4.4% Cu and 20.5m* @ 0.6% Cu.

Agreement with American West

As previously disclosed, Aston Bay entered into an Option Agreement dated March 9, 2021 (the “Option

Agreement”) with American West Metals Limited and its wholly-owned subsidiary, Tornado Metals Ltd.

(collectively, “American West”) pursuant to which American West was granted an option (the “Option”)

to earn an 80% undivided interest in the Project by spending a minimum of CAD$10 million on qualifying

exploration expenditures (“Expenditures”). The parties amended and restated the Option Agreement as

of February 27, 2023 to facilitate American West potentially financing the Expenditures thr ough flow-

through shares but did not change the commercial agreement between the parties.

The Expenditures were completed during the 2023 drilling program and American West exercise d the

Option in accordance with the terms of the Option Agreement, as amended. American West and Aston

Bay have formed a 80/20 unincorporated joint venture and are finalising a joint venture agreement. Under

the joint venture, Aston Bay shall have a free carried interest until American West has made a decision to

mine upon completion of a bankable feasibility study, meaning American West will be solely responsible

for funding the joint venture until such decision is made. After such decision is made, Aston Bay will be

diluted in the event it does not elect to contribute its proportionate share and its interest in the Project

will be converted into a 2% net smelter returns royalty if its interest is diluted to below 10%.

Recent Work

American West completed a fixed loop electromagnetic (FLEM) ground geophysical survey in 2021 that

yielded several new subsurface conductive anomalies. A total of 1,534m were drilled in 10 diamond drill

holes in the 2022 season, yielding several impressive near-surface intercepts including 41m* @ 4.1% Cu

as well as 68m of sulfide mineralization associated with a deeper conductive anomaly.

In April 2022, results of beneficiation studies demonstrated that a mineralized intercept grading 4% Cu

from the 4100N area could be upgraded to a 54% Cu direct ship product using standard sorting

technology. Further beneficiation studies are ongoing.

In April 2023 , American West embarked on a spring delineation drilling program using a helicopter -

portable RC drill rig as well as conducting gravity and moving loop electromagnetic (MLEM) ground

geophysical programs.

The summer 2023 program conducted further delineation drilling of the near-surface high-grade copper

zones to advance them toward maiden resource estimates by late 2023 or early 2024. Diamond drilling

tested new high-priority gravity targets and environmental baseline studies will be initiated.

*Stated drill hole intersections are all core length, and true width is expected to be 60 % to 100% of core

length.

About Aston Bay Holdings

Aston Bay is a publicly traded mineral exploration company exploring for high -grade copper and gold

deposits in Virginia, USA, and Nunavut, Canada. The Company is led by CEO Thomas Ullrich with

exploration in Virginia directed by the Company ’s advisor, Don Taylor, the 2018 Thayer Lindsley Award

winner for his discovery of the Taylor Pb-Zn-Ag Deposit in Arizona. The Company is currently exploring the

high-grade Buckingham Gold Vein in central Virginia and is in advanced stages of negotiation on other

lands with high-grade copper potential in the area.

The Company and its joint venture partners, American West Metals Limited and its wholly -owned

subsidiary, Tornado Metals Ltd. (collectively, “American West”) have formed a 20/80 unincorporated joint

venture and are finalising a joint venture agreement in respect of the Storm Project property, which hosts

the Storm Copper Project and the Seal Zinc Deposit. Under the unincorporated joint venture, Aston Bay

shall have a free carried interest until American West has made a decision to mine upon completion of a

bankable feasibility study, meaning American West will be solely responsible for funding the joint venture

until such decision is made. After such decision is made, Aston Bay will be diluted in the event it does not

elect to contribute its proportionate share and its interest in the Storm Project property will be converted

into a 2% net smelter returns royalty if its interest is diluted to below 10%.

About American West Metals Limited

AMERICAN WEST METALS LIMITED (ASX: AW1) is an Australian clean energy mining company focused on growth

through the discovery and development of major base metal mineral deposits in Tier 1 jurisdictions of

North America. The company’s strategy is focused on developing mines that have a low -footprint and

support the global energy transformation. AW1’s portfolio of copper and zinc projects in Utah and Canada

include significant existing resource inventories and high -grade mineralization that can generate robus t

mining proposals. Core to AW1’s approach is a commitment to the ethical extraction and processing of

minerals and making a meaningful contribution to the communities where its projects are located.

Led by a highly experienced leadership team, AW1’s strategic initiatives lay the foundation for a

sustainable business which aims to deliver high -multiplier returns on shareholder investment and

economic benefits to all stakeholders.

For further information on American West, visit: www.americanwestmetals.com.

FORWARD-LOOKING STATEMENTS

Statements made in this news release, including those regarding entering into the joint venture and each

party’s interest in the Project pursuant to the agreement in respect of the joint venture, management

objectives, forecasts, estimates, expectations, or predictions of the future may constitute “forward -

looking statement”, which can be identified by the use of conditional or future tenses or by the use of

such verbs as “believe”, “expect”, “may”, “will”, “should”, “estimate”, “anticipate”, “project”, “plan”, and

words of similar import, including variations thereof and negative forms. This press release contains

forward-looking statements that reflect, as of the date of this press release, Aston Bay’s expectations,

estimates and projections about its oper ations, the mining industry and the economic environment in

which it operates. Statements in this press release that are not supported by historical fact are forward -

looking statements, meaning they involve risk, uncertainty and other factors that could ca use actual

results to differ materially from those expressed or implied by such forward-looking statements. Although

Aston Bay believes that the assumptions inherent in the forward -looking statements are reasonable,

undue reliance should not be placed on these statements, which apply only at the time of writing of this

press release. Aston Bay disclaims any intention or obligation to update or revise any forward -looking

statement, whether as a result of new information, future events or otherwise, except to the extent

required by securities legislation.

Neither TSX Venture Exchange nor its regulation services provider (as that term is defined in policies of the

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

For more information contact:

Thomas Ullrich, Chief Executive Officer

[email protected]

(416) 456-3516