STOCK TITAN

Goldgroup Accelerates Growth Strategy Following Transformational Merger; Company Advances Multi-Asset Drill Programs, Mine Development and Expansion Plans

(Very Positive)

Goldgroup (TSXV/NYSE American: GORO) provides a corporate update following its merger with Gold Resource, outlining an accelerated growth and exploration strategy across multiple assets. The company has launched a new website showcasing its enlarged portfolio of producing mines, development projects and exploration properties.

At the 100% owned Don David Mine in Oaxaca, Goldgroup has completed over 23,000 metres of drilling year-to-date, using six underground and one surface rig, focused on resource upgrades and expansion. Drilling is expected to start this quarter at the Margaritas target, where historic work identified high-grade silver epithermal veins.

Three rigs are executing a 24,000-metre diamond drill program at the fully permitted San Francisco project in Sonora as the company evaluates a potential production restart at year-end. At Cerro Prieto, three rigs are advancing resource expansion and confirmatory drilling, while a feasibility study for the Back Forty project in Michigan began in May under SLR Engineering. According to Goldgroup, Don David operations are performing in line with expectations, and recent share trading has been influenced by index rebalancing activity.

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Positive

  • Don David Mine drilling exceeds 23,000 metres year-to-date
  • Six underground and one surface drill rigs active at Don David
  • 24,000-metre diamond drilling program underway at San Francisco project
  • Three drill rigs deployed at Cerro Prieto for expansion and confirmatory work
  • Back Forty feasibility study launched in May 2026 under SLR Engineering
  • San Francisco project fully permitted for a rapid restart of mining operations

Negative

  • None.

Market Context

The acquisition-tagged history recorded an average -0.7% move. That platform baseline adds a mixed c...
Analysis

The acquisition-tagged history recorded an average -0.7% move. That platform baseline adds a mixed comparison to this post-merger drilling and development update; execution across projects and resource expansion remained the key watchpoints.

Key Figures

Assets: four assets Don David drilling: more than 23,000 metres Don David underground rigs: six drill rigs +5 more
8 metrics
Assets four assets Gold and silver portfolio
Don David drilling more than 23,000 metres Completed year-to-date
Don David underground rigs six drill rigs Currently operating at Don David
Don David surface rigs one drill rig Currently operating at Don David
San Francisco drilling 24,000 metres Diamond drilling program
San Francisco drill rigs three drill rigs Diamond drilling program
Cerro Prieto drill rigs three drill rigs Resource expansion and confirmatory drilling
Asset ownership 100% Stated ownership of multiple Goldgroup assets

Previous Acquisition Reports

3 past events · Latest: Jul 02 (Positive)
Same Type Pattern 3 events
Date Event Sentiment 24h Move Catalyst
Jul 02 Merger approval Positive -1.6% Shareholders approved the proposed merger with Goldgroup Mining.
Jun 05 Merger meeting Positive -8.6% Gold Resource scheduled a shareholder vote on the strategic merger.
Jan 26 Support agreement Positive +8.1% Eric Sprott entered a voting and support agreement for the proposed acquisition.

24h Move is the share-price change in the day after each event; other market factors may also have contributed.

Pattern Detected

Acquisition-tagged events produced mixed reactions, with two negative moves and one positive move; the supplied average reaction was -0.7%.

Key Terms

epithermal veins, heap leach, mineral resource, preliminary economic assessment, +2 more
6 terms
epithermal veins technical
"historic exploration has identified epithermal veins containing exceptionally high silver grades"
Epithermal veins are narrow, mineral-rich seams formed when hot, mineral-bearing fluids move through cracks near the Earth’s surface and cool, leaving behind concentrated layers of metals such as gold and silver. For investors, these features matter because they can indicate a high-grade, potentially mineable deposit close to the surface—comparable to finding a concentrated streak of ore in a rock that can greatly boost a mining project's value and lower extraction costs.
heap leach technical
"heap leach processing facilities and associated infrastructure"
Heap leach is a mining method where crushed ore is piled into a heap and a liquid is dripped or sprayed over it to dissolve valuable metals, which are then collected from the runoff. Investors care because it is a lower-cost, scalable way to produce metals like gold or copper, but it also affects project timelines, recovery rates, capital needs and environmental or regulatory risk — like choosing a cheap, slow way to extract juice from a fruit versus pressing it quickly.
mineral resource technical
"support the development of an updated mineral resource"
A mineral resource is a naturally occurring concentration of minerals in the ground that is considered valuable and likely recoverable based on geological evidence and preliminary studies. For investors, it signals the potential size and worth of a deposit—like a marked treasure area on a map—while also carrying uncertainty about how much can actually be mined and at what cost, affecting project value and risk.
preliminary economic assessment technical
"the positive Preliminary Economic Assessment completed in 2023"
A preliminary economic assessment is an initial analysis that estimates the potential profitability and feasibility of a project or resource, such as a new mineral deposit or development venture. It provides a rough idea of costs, benefits, and risks, helping investors decide whether to pursue more detailed studies. This early evaluation is important because it offers a snapshot of whether the project is worth further investment and development.
feasibility study technical
"work on a comprehensive feasibility study commenced in May"
A feasibility study is an assessment that evaluates whether a proposed project or idea is practical and likely to succeed before investing significant time and resources. It considers factors like costs, potential benefits, and challenges, helping stakeholders decide if moving forward makes sense. Think of it as a detailed plan that gauges if a new venture is worth pursuing.
diamond drilling program technical
"a 24,000-metre diamond drilling program designed to refine"
A diamond drilling program is a systematic campaign of drilling into the ground using a drill that extracts cylindrical rock samples (core) so geologists can see the original layered rock and directly measure mineral content. It matters to investors because core samples give the most reliable data on the size, grade and depth of a mineral deposit—like taking detailed slices of a cake to know how much filling is inside—information that affects project value and development decisions.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Vancouver, British Columbia--(Newsfile Corp. - July 23, 2026) - Goldgroup Mining Inc. (TSXV: GORO) (NYSE American: GORO) (FSE: 55G) ("Goldgroup" or the "Company") is pleased to provide shareholders with a corporate update following the successful merger with Gold Resource Corporation, marking the beginning of an exciting new chapter as the Company executes its strategy to build a leading intermediate precious metals producer.

"Our integration is progressing well, and we are hitting the ground running," said Allen Palmiere, Chief Executive Officer. "With multiple producing operations, an aggressive exploration program, a robust development pipeline and a strong balance sheet, we believe Goldgroup is exceptionally well positioned to create long-term value for our shareholders."

The Company has launched its new corporate website at www.goldgroupmining.com, reflecting the combined organization and its expanded portfolio of producing mines, development projects and exploration assets. Investors can also access the Company's latest corporate presentation through the website.

Aggressive Exploration and Development Programs Driving Future Growth

Goldgroup continues to invest heavily in exploration with the objective of expanding resources, extending mine life and identifying new high-value discoveries across its portfolio.

At the 100% owned Don David Mine in Oaxaca, Mexico, the Company has completed more than 23,000 metres of drilling year-to-date, one of its largest drilling campaigns in recent years. While much of the program is focused on upgrading existing resources, a significant portion is targeting resource expansion with the goal of increasing the mine's long-term production profile.

The Company currently has six underground drill rigs and one surface drill operating at Don David, reflecting the strategic importance of this asset.

In addition, drilling is expected to commence this quarter at the highly prospective Margaritas target, where historic exploration has identified epithermal veins containing exceptionally high silver grades. The Company believes Margaritas represents an exciting exploration opportunity with the potential to add meaningful high-grade mineralization to the Don David district.

Advancing Multiple Growth Assets

At the formerly producing San Francisco gold project, three drill rigs continue work on a 24,000-metre diamond drilling program designed to refine and confirm the geological model and support future mine planning as the Company evaluates a potential restart of production at the end of the year. The 100% owned San Francisco project is fully permitted for a rapid restart of mining operations and is comprised of two open pits together with heap leach processing facilities and associated infrastructure. It is a robust project with significant gold resources and strong upside in terms of optimized development and multiple, large-scale exploration targets.

At the 100% owned Cerro Prieto, Goldgroup has deployed three drill rigs, including two focused on resource expansion and one conducting confirmatory drilling to support the development of an updated mineral resource.

Back Forty Feasibility Study Underway

The Company is also advancing the Back Forty Project in Michigan's Upper Peninsula, where work on a comprehensive feasibility study commenced in May under the leadership of SLR Engineering.

The 100% owned Back Forty remains one of GoldGroup's most attractive long-term development assets, building upon the positive Preliminary Economic Assessment completed in 2023. The feasibility study represents another important milestone as the Company advances the project toward potential development.

Delivering Operational Performance

Operations at the Don David Mine continue to perform well and in line with management's expectations, providing a solid operational foundation for the combined company.

The Company will also continue to work on unlocking the significant additional value at Cerro Prieto, where management sees opportunities to increase production, improve operating efficiencies and enhance cash flow generation.

Positioned for the Next Stage of Growth

With producing assets, a robust pipeline of development projects, an active exploration program, financial resources to execute its business plan and an experienced operating team, Goldgroup believes it is well positioned to execute its long-term strategy.

Management remains focused on creating a premier intermediate precious metals company through disciplined organic growth, resource expansion, operational excellence and value-enhancing acquisition opportunities.

"We are building a company with multiple avenues for growth," added CEO Allen Palmiere. "Our priorities are clear: grow our resource base, optimize our operations, advance our development projects and continue pursuing opportunities that strengthen our portfolio and create sustainable shareholder value."

Recent Market Activity

When an index provider adds or removes a stock during a rebalance (such as Russell's reconstitution), index-tracking passive funds are required to adjust their portfolios accordingly to maintain accurate tracking alignment. This temporary, short-term occurrence accounts for much of the recent market activity in Goldgroup.

About Goldgroup

Goldgroup is a Canadian-based mining Company with four high-growth gold and silver assets. The Company holds a 100% interest in the recently acquired San Francisco project located in the State of Sonora. The project is fully permitted for a rapid restart of mining operations and is comprised of two open pits together with heap leach processing facilities and associated infrastructure. It is a robust project with significant gold resources and strong upside in terms of optimized development and multiple, large-scale exploration targets.

In addition to the San Francisco gold project, the Company has a 100% interest in the producing Cerro Prieto heap leach gold mine located in the State of Sonora.

The Company also holds a 100% interest in the producing Don David gold mine in Oaxaca, Mexico, as well as the Back Forty gold/silver development project in Michigan, USA.

Goldgroup is led by a team of highly successful and seasoned individuals with extensive expertise in mine development, corporate finance, and exploration in Mexico.

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

On behalf of the Board of Directors

Allen Palmiere
CEO

For more information:

+1 (604) 306-6867
410 - 1111 Melville St.
Vancouver, BC, V6E 3V6

www.goldgroupmining.com
ir@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 press release.

CAUTIONARY NOTES REGARDING FORWARD-LOOKING INFORMATION

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 anticipated closing date of the Arrangement.

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.

Forward-looking information is subject to a variety of known and unknown risks, uncertainties and other factors that could cause actual events or results to materially differ from those reflected in the forward-looking information, and are developed based on assumptions about such risks, uncertainties and other factors, including, without limitation: receipt of all required regulatory approvals in connection with the Arrangement, including from the TSX Venture Exchange (the "TSXV"); that the conditions precedent to the completion of the Arrangement, including but not limited to TSXV and regulatory approvals, might not be satisfied in a timely manner or at all; 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.

To view the source version of this press release, please visit https://www.newsfilecorp.com/release/306393

FAQ

What does the Goldgroup (GORO) merger with Gold Resource mean for shareholders in 2026?

The merger creates a larger Goldgroup with multiple producing mines, development projects and exploration assets. According to Goldgroup, the combined company now pursues a strategy to build a leading intermediate precious metals producer, supported by an aggressive exploration program and a stated focus on long-term shareholder value.

How much drilling has Goldgroup (GORO) completed at the Don David Mine in 2026?

Goldgroup reports more than 23,000 metres of drilling year-to-date at the Don David Mine. According to Goldgroup, six underground rigs and one surface rig are active, targeting resource upgrades and expansion to support an improved long-term production profile at this 100% owned asset.

What is the status of Goldgroup’s San Francisco gold project (GORO) and possible restart?

Goldgroup is running a 24,000-metre diamond drilling program with three rigs at San Francisco. According to Goldgroup, the fully permitted project, with two open pits and heap leach facilities, is being evaluated for a potential production restart toward the end of the year.

What progress has Goldgroup (GORO) made on the Back Forty project feasibility study in 2026?

Goldgroup began a comprehensive feasibility study for the Back Forty project in May, led by SLR Engineering. According to Goldgroup, this 100% owned Michigan asset builds on a positive 2023 Preliminary Economic Assessment and represents an important milestone toward potential future development.

How is Goldgroup (GORO) advancing exploration at the Margaritas target near Don David Mine?

Goldgroup expects drilling to commence this quarter at the Margaritas target in the Don David district. According to Goldgroup, historic exploration identified epithermal veins with exceptionally high silver grades, and Margaritas is viewed as a potential source of meaningful high-grade mineralization.

Why has recent Goldgroup (GORO) trading activity increased around July 2026?

Recent trading activity is linked to index rebalancing, where index funds adjust holdings after constituent changes. According to Goldgroup, this temporary, short-term effect from events such as Russell’s reconstitution explains much of the recent market activity in the company’s shares.