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GORO.V ·

GOLDGROUP ANNOUNCES US$75 MILLION PRIVATE PLACEMENT WITH US$60 MILLION ALREADY COMMITTED BY LEADING NATURAL RESOURCE INVESTORS Cornerstone Investors include Trafigura, Eric Sprott, Rick Rule, Fiscal Wisdom, Calu Opportunity Fund

Financings Corporate Updates

NEWS RELEASE

GOLDGROUP ANNOUNCES US$75 MILLION PRIVATE PLACEMENT WITH US$60

MILLION ALREADY COMMITTED BY LEADING NATURAL RESOURCE INVESTORS

Cornerstone Investors include Trafigura, Eric Sprott, Rick Rule, Fiscal Wisdom, Calu Opportunity Fund

and Two Additional Institutional Natural Resource Funds

Financing Positions Goldgroup to Accelerate Growth, Advance its Portfolio of Gold Assets and pursue

Significant Exploration and Development, as well as other opportunities

NOT FOR DISTRIBUTION TO UNITED STATES NEWSWIRE SERVICES OR FOR DISSEMINATION IN THE UNITED STATES

Vancouver, Canada – September 8, 2026 – Goldgroup Mining Inc. (“Goldgroup” or the “Company”) (TSXV:GORO;

NYSE American:GORO ; FSE:55G ) is pleased to announce a non -brokered private placement offering of up to

20,547,945 units (the “Units”) of the Company at a price of US$3.65 per Unit for aggregate gross proceeds of up

to approximately US$75 million (the “ Offering”). The Company reserves the right to increase the size of the

Offering depending on demand.

The Offering marks an important milestone in the Company’s evolution. Approximately US$60 million of the

Offering has already been committed, including significant participation from entities representing or affiliated

with Trafigura, Eric Sprott, Rick Rule, Fiscal Wisdom, Calu Opportunity Fund and two additional institutional

natural resource funds.

“The participation of these sophisticated, long- term natural resource investors represents a strong endorsement

of Goldgroup’s strategy, asset base and vision to build a leading precious metals producer,” said Javier Reyes, CEO

and Chairman of Goldgroup.

Each Unit will consist of one common share of the Company (a “ Share”) and one -half of one common share

purchase warrant of the Company (each whole common share purchase warrant, a “Warrant”). Each Warrant will

entitle the holder thereof to acquire one common share (a “ Warrant Share”) at a price per Warrant Share of

US$5.10 for a period of 18 months from the Closing Date (as defined herein).

The Units will be offered pursuant to applicable exemptions from prospectus requirements in each of the

provinces of Canada, and may also be offered in the United States pursuant to exemptions from the registration

requirements of the United States Securities Act of 1933, as amended (the “U.S. Securities Act”), and in such other

jurisdictions outside of Canada and the United States provided it is understood that no prospectus filing or

comparable obligation arises in such other jurisdiction.

The Offering is expected to close on or about September 30 , 2026 (the " Closing Date"), and is subject to the

Company receiving all necessary regulatory approvals, including the conditional approval of the TSX Venture

Exchange (the “TSXV”) and the approval of NYSE American LLC (the “NYSE American”).

The Shares and Warrants comprising the Units (and the Warrant Shares issuable upon exercise of the Warrants)

will be subject to a statutory hold period pursuant to applicable Canadian securities laws ending four months and

one day following the Closing Date.

I

n connection with the Offering, the Company may pay eligible finders a cash commission equal to 5% of the gross

proceeds raised from subscribers introduced by such finders, in accordance with applicable securities laws and

the policies of the TSXV.

T

he securities have not been and will not be registered under the U.S. Securities Act , or any U.S. state securities

laws, and may not be offered or sold in the “United States” (as such term is defined in Regulation S under the U.S.

Securities Act) unless registered under the U.S. Securities Act and applicable U.S. state securities laws or an

exemption from such registration is available. This news release shall not constitute an offer to sell or the

solicitation of an offer to buy nor shall there be any sale of the securities in any jurisdiction in which such offer,

solicitation or sale would be unlawful.

Th

e Company intends to use the net proceeds of the Offering for working capital purposes including to advance

the Company's portfolio of mining and development assets as well as invest in mining opportunities.

A

longside organic growth from the development and enhancement of its existing operations, Goldgroup intends

to use proceeds from the Offering and its general working capital to continue seeking and reviewing new property

acquisitions and potential M&A opportunities.

A

Significant Capital Commitment to Accelerate Goldgroup’s Growth

The financing represents a significant capital commitment to Goldgroup and provides the Company with

additional financial strength to advance its strategy of building a larger, diversified and growth- oriented gold

producer.

Th

e proceeds are expected to provide Goldgroup with the flexibility to:

• A

ccelerate exploration and resource expansion across its portfolio;

• Advance the San Francisco Gold Project toward a potential restart of operations;

• Continue exploration and resource growth initiatives at the Don David Gold Mine and surroundin g

exp

loration properties;

• Advance development activities at the Back Forty Gold Project;

• Pursue exploration and development opportunities at Cerro Prieto and other Goldgroup assets;

• Strengthen the Company’s balance sheet and provide additional working capital; and

• Evaluate additional opportunities to create long-term shareholder value.

Javier Reyes further commented, “This financing represents a significant vote of confidence in Goldgroup and the

opportunity we see ahead of us. With US$75 million of new capital, we will have the financial capacity to accelerate

our exploration programs, expand resources, advance our development projects and move aggressively toward

our objective of becoming a larger intermediate gold producer.

What makes Goldgroup particularly compelling is the combination of established operations, near-term production

opportunities and substantial exploration upside. We believe we are entering an important phase of growth, and

this financing gives us the capital and flexibility to pursue that opportunity.”

Attractive Financing Structure

The Offering is being completed on a non -brokered basis, allowing Goldgroup to raise significant capital directly

from investors while maintaining flexibility and minimizing financing costs.

The Units are priced at US$3.65 per Unit, with each Unit also including one -half of a Warrant exercisable at

US$5.10 per share. If all 10,273,972 Warrants proposed to be issued under the Offering are subsequently

exercised, Goldgroup would receive an additional US$52,397,257 in gross proceeds.

The Company intends to use the additional capital generated from any future warrant exercises to further support

its growth strategy. There can be no assurance that the Warrants will be exercised.

Certain insiders of the Company may participate in the Offering, which participation would constitute a related -

party transaction, as defined in Multilateral Instrument 61-101 - Protection of Minority Security Holders in Special

Transactions (“MI 61-101”). The issuance of any Units to insiders is exempt from the valuation requirements of

Section 5.4 of MI 61-101 pursuant to Subsection 5.5(a) of MI 61 -101 and exempt from the minority shareholder

approval requirements of Section 5.6 of MI 61-101, pursuant to Subsection 5.7(1)(a) of MI 61-101.

About Goldgroup

Goldgroup Mining Inc. is a precious-metals producer and growth-oriented mining company with four 100%-

owned assets across Mexico and the United States.

The Company owns and operates the Don David Gold Mine in Oaxaca, Mexico and the Cerro Prieto Gold Mine in

Sonora, Mexico, while advancing the San Francisco Gold Project in Sonora toward a potential production restart

and the Back Forty Project in Michigan toward development.

Goldgroup’s strategy is focused on building a larger-scale intermediate precious-metals producer through a

combination of production growth, exploration, mine optimization, project development, and potential

acquisition of additional projects or M&A transactions.

The Company is listed on the TSX Venture Exchange and NYSE American under the symbol "GORO" and on the

Frankfurt Exchange under the symbol "55G."

For further information on Goldgroup, please visit www.goldgroupmining.com.

Contact

Javier Reyes

Chief Executive Officer

Goldgroup Mining Inc.

+52 1 55 8534 9323

(604) 306-6867

www.goldgroupmining.com

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 news release.

Forward-Looking Statements:

Certain information contained in this news release may be considered “forward-looking information” (within the

meaning of applicable Canadian securities law) and “forward -looking statements” (within the meaning of the

United States Private Securities Litigation Reform Act of 1995). Forward-looking statements relate to analyses and

other information that are based on forecasts of future results, as well as estimates and assumptions of

management. These statements include, without limitation, statements relating to the Offering, including the size

and completion of the Offering, the anticipated Closing Date, the intended use of the net proceeds of the Offering,

the receipt of necessary regulatory approvals, including the approval of the TSXV and NYSE American, as well as

the Company's future plans and prospects, including in respect of its assets , a potential future restart of mining

operations at the San Francisco project, and advancement of the Back Forty Project toward development.

These forward-looking statements reflect Goldgroup’s current internal projections, expectations or beliefs and

are based on information currently available to Goldgroup. In some cases, forward -looking information can be

identified by terminology such as “may”, “will”, “should”, “expect”, “intend”, “plan”, “anticipate”, “believe”,

“estimate”, “projects”, “potential”, “scheduled”, “forecast”, “budget” or the negative of those terms or other

comparable terminology. Such forward-looking statements involve known and unknown risks, uncertainties and

other factors which may cause actual results, performance or achievements to be materially different from any

future results, performance or achievements expressed or implied by the forward -looking statements, and are

developed based on assumptions about such risks, uncertainties and other factors, including, without limitation:

the ability of the Company to complete the Offering on the timeline and on the terms described herein; receipt of

all required regulatory approvals in connection with the Offering , including approval from the TSXV and NYSE

American; and the risk factors disclosed in the Company’s management information circular dated May 29, 2026,

Goldgroup’s annual information form dated June 10, 2026 and other continuous disclosure materials available

under the Company’s profile on SEDAR+ at www.sedarplus.ca. Any and all of the forward -looking information

contained in this news release is qualified by these cautionary statements.

Although Goldgroup believes that the forward -looking information contained in this news release is based on

reasonable assumptions, readers cannot be assured that actual results will be consistent with such statements.

Accordingly, readers are cautioned against placing undue reliance on forward -looking information. Goldgroup

expressly disclaims any intention or obligation to update or revise any forward-looking information, whether as a

result of new information, events or otherwise, except as may be required by, and in accordance with, applicable

securities laws.