Namib Minerals (NASDAQ: NAMM) details Redwing Mine dewatering progress and restart plans

Rhea-AI Filing Summary

Namib Minerals provided an operational update on the restart of its Redwing gold mine in Zimbabwe, focusing on progress in dewatering the underground workings. Redwing is a brownfield site that has produced 650,000 ounces of gold historically and currently holds 1.18 million ounces of gold in measured and indicated resources that the company is targeting as a platform for its next growth phase.

Since dewatering began on January 29, 2026, the company has pumped about 544,570 cubic meters of water, lowering water levels by roughly 21.9 meters. Combined pumping capacity is approximately 640 cubic meters per hour, and water levels are now about 74.9 meters below the Redwing Shaft surface collar, which management describes as good progress toward regaining targeted underground access. Management reiterates that Redwing is central to its long-term strategy of building a scaled, multi-asset African gold platform.

Key Figures

Water pumped: 544,570 m³ Water level reduction: 21.9 meters Pumping capacity: 640 m³ per hour +3 more

6 metrics

Water pumped 544,570 m³ Dewatering at Redwing since January 29, 2026

Water level reduction 21.9 meters Decline in water level at Redwing during dewatering

Pumping capacity 640 m³ per hour Current combined pumping capacity at Redwing Mine

Current water depth 74.9 meters Water level below Redwing Shaft surface collar

Measured and indicated resources 1.18 million oz gold Redwing Mine resource base targeted for next growth phase

Historical production 650,000 oz gold Cumulative historical gold production from Redwing

Key Terms

dewatering, brownfield, measured and indicated resources, forward-looking statements, +1 more

5 terms

dewatering technical

"provided an operational update on the restart process at its Redwing Mine in Zimbabwe where dewatering activities are progressing"

Dewatering is the process of removing unwanted water from a construction site, mine, or industrial area—like draining a bathtub so work can continue on dry ground. For investors, it matters because it affects project timelines, operating costs, environmental compliance and permits; inadequate or costly dewatering can delay production, increase capital and cleanup expenses, and create regulatory or reputational risk that influences a company's financial performance.

brownfield technical

"Redwing is a brownfield mining site that has produced 650,000 ounces of gold historically"

A brownfield is a property or site that has been previously developed or used—often with existing buildings, infrastructure, or environmental contamination—and is being reused, redeveloped, or expanded rather than built on from scratch. For investors it matters because brownfields can offer cost and time savings compared with starting new (like renovating an old house versus building one), but they also carry risks such as cleanup obligations, regulatory delays, and hidden expenses that affect returns and timelines.

measured and indicated resources financial

"today holds 1.18 million ounces of gold in measured and indicated resources that we are targeting"

Measured and indicated resources are two levels of confidence in estimates of a mineral deposit’s size and quality: ‘measured’ is the highest-confidence estimate, while ‘indicated’ is a somewhat less certain but still reliable estimate. Think of measured like ingredients weighed on a kitchen scale and indicated like amounts estimated by eye; together they tell investors how much material is likely present and how predictable future extraction and costs may be, which affects project valuation and risk assessment.

forward-looking statements regulatory

"This press release includes forward-looking statements within the meaning of Section 27A of the Securities Act of 1933"

Forward-looking statements are predictions or plans that companies share about what they expect to happen in the future, like estimating sales or profits. They matter because they help investors understand a company's outlook, but since they are based on guesses and assumptions, they can sometimes be wrong.

multi-asset African gold platform financial

"long-term strategy of building a scaled, multi-asset African gold platform through disciplined brownfield development"

Form 6-K: How Foreign Companies Report to the SEC →

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of May 2026

Commission File Number 001-42685

Namib Minerals

(Translation of registrant’s name into English)

Suite 210, 2nd Floor, Windward III, Regatta Office Park

PO Box 500

Grand Cayman, Cayman Islands, KY1-1106

(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F ☒            Form 40-F ☐

INFORMATION CONTAINED IN THIS FORM 6-K REPORT

Issuance of Press Release

On May 19, 2026, Namib Minerals (the “Company”) issued a press release regarding an operational update.

This report on Form 6-K, including the press release being furnished in this report as Exhibit 99.1, shall not be deemed to be “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, and shall not be deemed to be incorporated by reference into any filing of the Company under the Securities Act of 1933, as amended, or the Exchange Act except to the extent specifically provided in such a filing.

EXHIBIT INDEX

Exhibit No.		Description
99.1		Press Release of the Company, dated May 19, 2026.

1

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

NAMIB MINERALS
By:	/s/ Siphesihle Mchunu
Name:	Siphesihle Mchunu
Title:	General Counsel

Date: May 19, 2026

2

Exhibit 99.1

Redwing Dewatering Program On Schedule

Dewatering Progressing as Expected

Over 544,000m³ Pumped Since January Commencement

NEW YORK, May 19, 2026 (GLOBE NEWSWIRE) - Namib Minerals (“Namib” or “the Company”), (Nasdaq: NAMM), the African mining platform capitalizing on strategic resource opportunities, today provided an operational update on the restart process at its Redwing Mine in Zimbabwe where dewatering activities are progressing consistent with the operational framework outlined in its April 2026 business update.

“We are pleased that the restart process at Redwing is advancing on schedule,” said Tulani Sikwila, Chief Executive Officer of Namib Minerals. “The progress we have made on dewatering reinforces our confidence in the restart pathway as we look ahead to the next phase of technical work at the mine. Redwing is a central component of our long-term strategy of building a scaled, multi-asset African gold platform through disciplined brownfield development and phased capital deployment.”

Redwing is a brownfield mining site that has produced 650,000 ounces of gold historically and today holds 1.18 million ounces of gold in measured and indicated resources that we are targeting will provide the platform for Namib’s next phase of growth.

Since the commencement of dewatering activities on January 29, 2026, the Company has pumped approximately 544,570 cubic meters of water from the mine workings, with water levels declining by approximately 21.9 meters over the period. Current combined pumping capacity is approximately 640m³ per hour and water levels have declined to approximately 74.9 meters below the Redwing Shaft surface collar. This represents good progress toward targeted underground access levels.

Operational Highlights

Dewatering Progress

● High-capacity submersible pumps expected on site in the coming week to further increase pumping capacity

● Dewatering infrastructure continues to operate consistently with no material interruptions reported since pumping activities commenced on January 29, 2026

● Current pumping capacity exceeds requirements providing flexibility ahead of the next underground access milestones

About Namib Minerals

Namib Minerals (NASDAQ: NAMM) is a gold producer, developer and explorer with operations focused in Zimbabwe. Currently Namib Minerals operates the How Mine, an underground gold mine in Zimbabwe, and aims to restart two assets in Zimbabwe. For additional information, please visit namibminerals.com.

Forward-Looking Statements

This press release includes forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. All statements other than statements of historical facts contained in this update are forward-looking statements. Any statements that refer to estimates or other characterizations of future events or circumstances, including any underlying assumptions, are also forward-looking statements. Forward-looking statements include, without limitation, our management teams’ expectations of anticipated restart process of the Redwing Mine, and related assumptions. The forward-looking statements are based on our current expectations and are inherently subject to uncertainties and changes in circumstance and their potential effects and speak only as of the date of such statement. There can be no assurance that future developments will be those that have been anticipated. These forward-looking statements involve a number of risks and uncertainties which include, but are not limited to, (i) market risks, including the price of gold and equipment; (ii) the risk that the Company may not be able to successfully develop its assets as planned, including expanding the How mine and restarting and expanding the Redwing and Mazowe Mines; (iii) the risk that Namib Minerals will be unable to raise additional capital to execute its business plan, which may not be available on acceptable terms or at all; and (iv) political and social risks of operating in Zimbabwe. The foregoing list is not exhaustive. You should carefully consider the foregoing factors, any other factors discussed in this press release and the other risks and uncertainties described in the filings we make with Securities and Exchange Commission (the “SEC”). We caution you against placing undue reliance on forward-looking statements, which reflect current beliefs and are based on information currently available as of the date a forward-looking statement is made.

Contact us:

https://investors.namibminerals.com/ir-resources/contact-ir

FAQ

What does Namib Minerals (NAMM) report in its May 2026 Redwing update?

Namib Minerals reports that dewatering at the Redwing Mine in Zimbabwe is progressing on schedule. Since January 29, 2026, it has pumped about 544,570 cubic meters of water, lowering levels by 21.9 meters toward key underground access targets.

How much water has Namib Minerals pumped at the Redwing Mine so far?

Namib Minerals has pumped approximately 544,570 cubic meters of water from Redwing since January 29, 2026. This dewatering work has reduced water levels by about 21.9 meters, moving the mine closer to safe underground access needed for a restart.

What pumping capacity does Namib Minerals currently have at Redwing Mine?

Namib Minerals reports current combined pumping capacity at Redwing of about 640 cubic meters per hour. This capacity has lowered water levels to roughly 74.9 meters below the Redwing Shaft surface collar, which management views as good progress toward restart readiness.

How important is the Redwing Mine to Namib Minerals’ growth strategy?

Redwing is described as a central component of Namib Minerals’ long-term strategy. The mine has produced 650,000 ounces historically and holds 1.18 million ounces of measured and indicated gold resources targeted to support the company’s next growth phase in Zimbabwe.

What gold resource base does Redwing Mine currently hold for Namib Minerals (NAMM)?

Redwing currently holds 1.18 million ounces of gold in measured and indicated resources for Namib Minerals. The company positions these resources as the platform for its next phase of growth within a broader multi-asset African gold strategy centered in Zimbabwe.

What risks does Namib Minerals highlight related to its Redwing restart plans?

Namib Minerals cites market risks like gold and equipment prices, execution risks in expanding How Mine and restarting Redwing and Mazowe, potential challenges raising additional capital, and political and social risks of operating in Zimbabwe as key uncertainties affecting its plans.

Filing Exhibits & Attachments

1 document

Press Releases

• EX-99.1 PRESS RELEASE OF THE COMPANY, DATED MAY 19, 2026 10.1 KB