Harmony Gold Mining (NYSE: HMY) details fatal TauTona shaft incident

Rhea-AI Filing Summary

Harmony Gold Mining Company Limited reported that an employee died after an incident at the TauTona service shaft near Carletonville on 19 July 2026. The Department of Mineral and Petroleum Resources and other stakeholders have been notified, and management is supporting the employee’s family and colleagues.

Chief Executive Officer Beyers Nel stated that Harmony is working with the DMPR and other stakeholders to understand what happened, ensure lessons are learned and urgently applied, and strengthen efforts to prevent similar incidents in future.

Key Figures

Incident date: 19 July 2026 Report date: 20 July 2026 Company registration number: 1950/038232/06

3 metrics

Incident date 19 July 2026 Date of the fatal incident at TauTona service shaft

Report date 20 July 2026 Date Harmony reported the incident from Johannesburg

Company registration number 1950/038232/06 Harmony Gold Mining Company Limited registration number in South Africa

Key Terms

FOREIGN PRIVATE ISSUER, Department of Mineral and Petroleum Resources, TauTona service shaft, Sponsor

4 terms

FOREIGN PRIVATE ISSUER regulatory

"Form 6­K REPORT OF FOREIGN PRIVATE ISSUER pursuant"

A foreign private issuer is a company organized outside the United States that meets tests showing it is primarily foreign-controlled and therefore qualifies for a different set of U.S. reporting rules. For investors, that means the company files less frequent or differently formatted disclosures with U.S. regulators and may follow home-country accounting and governance practices, so buying its stock is like dining at a well-reviewed restaurant that follows its home kitchen’s rules instead of the local menu — you get access but should check what standards apply.

Department of Mineral and Petroleum Resources regulatory

"The Department of Mineral and Petroleum Resources (DMPR) and other"

TauTona service shaft technical

"lost her life following an incident at the TauTona service shaft"

Sponsor financial

"Sponsor J.P. Morgan Equities South Africa Proprietary Limited"

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FAQ

What incident did Harmony Gold Mining (HMY) report in its July 2026 update?

Harmony Gold Mining reported that one employee died following an incident at the TauTona service shaft on 19 July 2026. The event occurred near Carletonville, South Africa, and was formally communicated on 20 July 2026.

Where and when did the Harmony Gold Mining (HMY) fatality occur?

The fatality occurred at Harmony’s TauTona service shaft near Carletonville on Sunday, 19 July 2026. The company subsequently reported the incident from Johannesburg on Monday, 20 July 2026, describing it as a tragic loss of life.

How is Harmony Gold Mining (HMY) responding to the TauTona shaft incident?

Harmony states it is supporting the employee’s family and colleagues and working with the Department of Mineral and Petroleum Resources and other stakeholders to understand what happened, apply lessons learned, and strengthen efforts to prevent similar incidents.

Which regulator was informed about Harmony Gold Mining’s (HMY) TauTona incident?

Harmony reports that the Department of Mineral and Petroleum Resources (DMPR) was notified of the fatal incident at the TauTona service shaft. The company indicates it is working with the DMPR and other stakeholders to review the circumstances and improve safety.

Who commented publicly on the Harmony Gold Mining (HMY) incident?

Harmony’s Chief Executive Officer, Beyers Nel, commented on the incident. He expressed condolences to the employee’s family, friends and colleagues, and said Harmony is collaborating with the DMPR and stakeholders to understand the event and prevent similar occurrences.

What support is Harmony Gold Mining (HMY) providing after the TauTona incident?

Harmony states that management is providing support to the employee’s family and colleagues during this difficult time. This is in addition to cooperating with the DMPR and other stakeholders to investigate the incident and strengthen safety measures.

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 6­K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a­16 OR 15d­16 UNDER THE

SECURITIES EXCHANGE ACT OF 1934

For July 20, 2026

Harmony Gold Mining Company Limited

Randfontein Office Park

Corner Main Reef Road and Ward Avenue Randfontein, 1759

South Africa

(Address of principal executive offices)

*-­

(Indicate by check mark whether the registrant files or will file annual reports under cover of

Form 20­ F or Form 40­F.)

Form 20F ☒ Form 40F ☐

(Indicate by check mark whether the registrant by furnishing the information contained in this form is also thereby furnishing the information to the Commission pursuant to Rule 12g3­2(b) under the Securities Exchange Act of 1934.)

Yes ☐ No ☒

Harmony Gold Mining Company Limited

Registration number 1950/038232/06

Incorporated in the Republic of South Africa

ISIN: ZAE000015228

JSE share code: HAR

(“Harmony”)

Harmony reports tragic loss of life at TauTona service shaft

Johannesburg, Monday, 20 July 2026. Harmony Gold Mining Company Limited (“Harmony” and/or “the Company”) regrets to report that an employee tragically lost her life following an incident at the TauTona service shaft, near Carletonville, on Sunday, 19 July 2026.

The Department of Mineral and Petroleum Resources (DMPR) and other relevant stakeholders have been notified. Management is providing support to the employee’s family and colleagues during this difficult time.

“We are deeply saddened by the loss of our colleague and extend our heartfelt condolences to her family, friends and colleagues. We are working with the DMPR and other stakeholders to understand what happened, ensure that lessons are learned and urgently applied, and strengthen our efforts to prevent such incidents from ever happening again,” said Beyers Nel, Chief Executive Officer of Harmony.

Ends.

For more details contact:

Chipo Morapedi-Mrara

Head of Communications

+27 (0)60 571 0797

Jared Coetzer

Head of Investor Relations

+27 (0)82 746 4120

Mashego Mashego

Executive Director

+27 (0)82 767 1072

20 July 2026

Sponsor:

J.P. Morgan Equities South Africa Proprietary Limited.

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.

									Harmony Gold Mining Company Limited
Date: July 20, 2026									By: /s/ Boipelo Lekubo
									Name: Boipelo Lekubo
									Title: Financial Director