Mine fatality at Harmony Gold (NYSE: HMY) Moab Khotsong operation

Rhea-AI Filing Summary

Harmony Gold Mining Company Limited reported a fatal incident at its Moab Khotsong mine near Orkney on 20 January 2026. An employee lost his life in a locomotive-related accident that occurred in the morning.

The company stated that all relevant parties, including the employee’s family, have been informed. An investigation into the incident is underway, led by South Africa’s Department of Mineral and Petroleum Resources.

Chief Executive Officer Beyers Nel described the loss as devastating and extended condolences to the employee’s family, friends, and colleagues. He reiterated that safety remains Harmony’s main priority and emphasized the company’s commitment to its goal of zero loss of life.

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 January 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 is deeply saddened to announce a loss of life at Moab Khotsong mine on 20 January 2026

Johannesburg, Tuesday, 20 January 2026. Harmony Gold Mining Company Limited (“Harmony” and/or “the Company”) regrets to announce that an employee at Moab Khotsong mine, near Orkney, tragically lost his life in a locomotive-related incident this morning.

All relevant parties, including the employee’s family members, have been informed. An investigation is currently underway, led by the Department of Mineral and Petroleum Resources (DMPR).

“The tragic loss of life is devastating, and we are saddened by this unfortunate incident. We extend our heartfelt condolences to the employee's family, friends, and colleagues during this difficult time. Safety is our main priority, and we remain steadfast in our commitment towards reaching our goal of zero loss of life,” said Beyers Nel, Chief Executive Officer.

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 January 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: January 20, 2026									By: /s/ Boipelo Lekubo
									Name: Boipelo Lekubo
									Title: Financial Director

FAQ

What incident did Harmony Gold (HMY) report in this 6-K filing?

Harmony Gold Mining Company Limited reported that an employee at its Moab Khotsong mine near Orkney tragically lost his life in a locomotive-related incident on 20 January 2026.

Where did the Harmony Gold (HMY) fatal incident occur?

The incident occurred at Harmony Gold’s Moab Khotsong mine, located near Orkney in South Africa.

Who is investigating the Moab Khotsong incident reported by Harmony Gold (HMY)?

The investigation is being led by South Africa’s Department of Mineral and Petroleum Resources (DMPR).

How did Harmony Gold (HMY) respond publicly to the Moab Khotsong fatality?

Harmony’s CEO, Beyers Nel, expressed that the loss of life is devastating, extended condolences to the employee’s family, friends, and colleagues, and reiterated that safety is the company’s main priority with a goal of zero loss of life.

Who are the key Harmony Gold (HMY) contacts listed for more information?

The filing lists Chipo Morapedi-Mrara (Head of Communications), Jared Coetzer (Head of Investor Relations), and Mashego Mashego (Executive Director) as contacts for more details.

What does Harmony Gold (HMY) state about its safety commitment in this report?

Harmony Gold states that safety is its main priority and that the company remains steadfast in its commitment to reaching a goal of zero loss of life.