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MTH.V ·

Mammoth Announces Strategic Alliance and $750,000 Private Placement Financing.

Financings Partnerships & JV

Exchange Tower

410 - 150 York Street

Toronto, Ontario

M5H 3S5 Canada

www.mammothresources.ca

FOR IMMEDIATE RELEASE: June 5, 2025 No. 02/25

MAMMOTH ANNOUNCES STRATEGIC ALLIANCE AND

$750,000 PRIVATE PLACEMENT FINANCING.

Toronto, Canada (June 5, 2025) - Mammoth Resources Corp. (TSX-V: MTH), (the “Company”, or

“Mammoth”) would like to announce that it has entered into a strategic alliance (the "Alliance") with RM

Minerías de RL de CV (“RM"), a private Mexican company formed by a group of primarily Mexican

mining and metallurgical specialists focused on acquiring, developing and restarting to commercial

production, mineral extraction and processing facilities in Mexico.

Mammoth would also like to announce a non-brokered private placement of up to 30 million units of the

Company (the "Units") at an offering price of $0.025 per Unit, for gross proceeds of up to $750,000 (the

"Private Placement"). Each Unit consists of one common share of the Company (a "Common Share")

and one-half common share purchase warrant (the "Warrant"). Each Warrant will entitle the holder

thereof to acquire one Common Share until eighteen months following closing of the private placement,

at an exercise price of $0.05. The Company has set no minimum number of Units to be distributed and

no minimum dollar amount required to be raised in connection with the Private Placement. The gross

proceeds of the Private Placement will be used to advance the Company's Tenoriba precious metal

project in Chihuahua State, Mexico, evaluate potential project acquisitions and support working capital

needs.

Thomas Atkins, President and CEO of Mammoth commented on the strategic alliance, stating :

"Mammoth has been discussing working together with the principals of RM Minerias for some time. We

see significant strength in combining Mammoth’s own efforts in Mexico with a group of experienced,

Mexican mine builders on projects in Mexico. Through this alliance, Mammoth shareholders gain

additional leverage from Minerias’ experience in the future development of Mammoth’s 100 percent

owned Tenoriba gold-silver project in Mexico, while also gaining exposure to participate in additional,

near-term, Mexican, mineral producing opportunities thereby gaining a degree of independence from

cyclical equity markets in assuring the financing of future corporate and project developments."

Jose Antonio Berlanga Balderas, President and CEO of RM Mineria reiterated these thoughts,

stating: "RM Minerias is comprised of an experienced group of mining and metallurgical professionals

with an abundance of success developing and restarting mineral extraction and processing facilities

throughout Mexico. Our conversations with Thomas and the Mammoth team over the past months, our

interest in the potential at Tenoriba, combined with additional project development opportunities in

Mexico, all combine to create a strong platform for future Mexican project development opportunities."

The Strategic Alliance

Mammoth personnel have been in discussions with the principals of RM for several months, building our

relationship and combined vision for the future. Mammoth sees a very attractive union of initiatives from

the strategic alliance with RM, including direct Mexican mineral project development experience and

success that has the potential to enhance the future development of Tenoriba while also offering

Mammoth's shareholders to future mineral production opportunities at a time when commodity prices

are on the rise and yet, where North American capital markets, for early-stage projects, continue to be

challenging.

One of the two principals of RM includes Mr. Jose Antonio Berlanga Balderas, CEO of RM, a private

Mexican company formed by a group of mining and metallurgical specialists. Mr. Berlanga Balderas is a

professional Mining and Metallurgical Engineer with more than 45 years experience identifying,

developing, operating and optimizing mineral extraction opportunities in the Mexican mining sector,

including: providing services to Minera Autlan, and Servicios Industriales Peñoles. Mr. Berlanga

Balderas experience includes: as General Director Minas Nuevas, operating one of the first heap

leaching operations in Mexico; as founder of Minera Mexico Michoacán, developing the El Oro project;

as Technical Deputy Director of the Mining Development Trust (a Mexican state-owned company that

offers financing and technical assistance to mining companies); and as Development Manager,

Internacional de Metales Precios, one of the main gold and silver trading companies in Mexico.

Mr. Berlanga Balderas has participated in the Canadian junior mining industry, bringing significant

experience to the companies in which he has participated resulting in significant value creation,

including: Aurcana Corporation's La Negra mine, Cayden Resources' El Barqueño and Morelos Sur

projects, Skeena Resources' Malpica Project, Cortez Goldcorp's Altiplano operation and Telson

Mining's (now Luca Mining) Tahuehueto and Campo Morado mine and facilities.

Mr. Berlanga Balderas has been President of the Colegio de Ingenieros de Minas y Metalurgistas y

Geologos de México (CIMMGM), has been District President and member of the National Board of

Directors in the Asociación de Ingenieros de Minas, Metalurgistas y Geólogos de Mexico (AIMMGM)

and is a member of the Prospectors and Developers Association of Canada (PDAC) and the American

Institute of Mining Engineers (AIME).

Mr. Berlanga Balderas is supported by Mr. José Antonio Berlanga Lopez, President of RM, a

Professional Mining and Metallurgical Engineer with more than 20 years experience in México. He is a

graduate from the Universidad Nacional Autonoma de México (UNAM) and has a strong background

investigating mining opportunities, start-up companies, business strategy and mineral concentrate

trading in Mexico and has worked for several companies, such as Minera La Negra, Altiplano Gold

Silver, Mercuria, Azure Minerals, Reyna Mining Engineering.

Mr. Berlanga Lopez is a member of the Colegio de Ingenieros de Minas y Metalurgistas y Geologos de

México (CIMMGM), the Asociación de Ingenieros de Minas, Metalurgistas y Geólogos de Mexico

(AIMMGM), and of the Prospectors and

Developers Association of Canada (PDAC).

The Private Placement

This Private Placement is available to accredited investors. The pricing of this Private Placement was

granted under the Venture Exchange Discretionary Waiver Bulletin (“Bulletin”). Under the conditions of

the Bulletin, the pricing of the Private Placement is set by the previous day’s closing share price of

$0.025/share. The pricing of the Private Placement represents a small premium from the 10-day

volume-weighted average share price during the past 10 trading days of $0.022/share. Securities

issued under this Private Placement will be subject to a four-month hold period. In accordance with the

requirements of the Investment Dealer Exemption, the Company confirms there is no material fact or

material change related to the Company which has not been disclosed. The Company has been

granted conditional approval for this Private Placement, however, closing of this Private Placement is

subject to receipt of all required regulatory and Exchange approvals. The Company may pay a finder's

fees on a portion of the Private Placement in accordance with applicable securities laws and the policies

of the TSX Venture Exchange. From the gross proceeds of the Private Placement, approximately 60%

are intended to be used to advance the Company's Tenoriba precious metal project in Chihuahua State,

Mexico and to evaluate potential project acquisitions, with the remaining 40% intended to support

working capital needs.

Anyone interested in participating in this financing are encouraged to contact Thomas Atkins, President

and CEO of Mammoth at: [email protected] or by telephone at: 416 509-4326.

About Mammoth Resources:

Mammoth Resources (TSX-V: MTH) is a precious metal mineral exploration Company focused on

acquiring and defining precious metal resources in Mexico and other attractive mining friendly

jurisdictions in the Americas. The Company holds a 100% interest (subject to a 2% net smelter royalty

purchasable anytime within two years from commencement of commercial production for US$1.5

million) in the 5,333 hectare Tenoriba gold property located in the Sierra Madre Precious Metal Belt in

southwestern Chihuahua State, Mexico. Mammoth is seeking other opportunities to option exploration

projects in the Americas on properties it deems to host above average potential for economic

concentrations of precious metals mineralization.

To find out more about Mammoth Resources and to sign up to receive future press releases, please visit the

company's website at: www.mammothresources.ca., or contact Thomas Atkins, President and CEO.

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.

Forward Looking Information: This news release may contain or refer to forward-looking information. All

information other than statements of historical fact that address activities, events or developments that the

Company believes, expects or anticipates will or may occur in the future are forward-looking statements; examples

include the listing of its shares on a stock exchange and establishing mineral resources. These forward-looking

statements are subject to a variety of risks and uncertainties beyond the Company's ability to control or predict that

may cause actual events or results to differ materially from those discussed in such forward-looking statements.

Any forward-looking statement speaks only as of the date on which it is made and, except as may be required by

applicable securities laws, the Company disclaims any intent or obligation to update any forward-looking

statement, whether as a result of new information, future events or results or otherwise. Although the Company

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

statements are not guarantees of future performance and, accordingly, undue reliance should not be placed on

these forward-looking statements due to the inherent uncertainty therein.