Harmony Gold’s MAC Copper scheme now effective

Rhea-AI Filing Summary

Harmony Gold Mining Company Limited reports that its scheme of arrangement with MAC Copper Limited has become legally effective after being sanctioned by the Royal Court of Jersey and lodged with the Jersey Registrar of Companies.

The scheme covers Harmony’s proposed acquisition of 100% of the issued share capital of MAC Copper through its wholly owned subsidiary, Harmony Gold (Australia) Pty Ltd. Implementation is expected on 24 October 2025 (Jersey time), at which point Harmony will assume ownership and operational control of the CSA Copper Mine.

Insights

Mining sector M&A analyst

Harmony advances MAC Copper acquisition as Jersey scheme becomes effective.

Harmony Gold Mining Company Limited has obtained court sanction in Jersey for a scheme of arrangement to acquire 100% of MAC Copper Limited via its Australian subsidiary. The scheme is now legally effective following lodgement of the court order with the Jersey Registrar of Companies, which is a key legal milestone in closing the transaction.

Once implemented, expected on 24 October 2025, Harmony will assume ownership and operational control of the CSA Copper Mine. This represents a move to expand its base metals exposure alongside gold, although the excerpt does not disclose the purchase price, funding mix, or expected financial contribution.

The next concrete step is the implementation date on 24 October 2025, when control of the CSA Copper Mine is expected to pass to Harmony. Subsequent company communications may detail integration progress, operating plans and any updated guidance tied to the new asset.

FAQ

What did Harmony Gold Mining Company Limited (HGMCF) announce in this Form 6-K?

Harmony Gold Mining Company Limited announced that the Royal Court of Jersey has sanctioned a scheme of arrangement for Harmony, through its subsidiary Harmony Gold (Australia) Pty Ltd, to acquire 100% of the issued share capital of MAC Copper Limited.

What is the status of Harmony Gold’s scheme of arrangement with MAC Copper?

The scheme of arrangement has been sanctioned by the Royal Court of Jersey and has become legally effective following lodgement of the court order with the Jersey Registrar of Companies.

When is implementation of the MAC Copper scheme expected for Harmony Gold (HGMCF)?

Implementation of the scheme is expected to occur on Friday, 24 October 2025 (Jersey time), at which point Harmony will assume ownership and operational control of the CSA Copper Mine.

What asset will Harmony Gold control after implementing the MAC Copper scheme?

Upon implementation of the scheme, Harmony Gold will assume ownership and operational control of the CSA Copper Mine through its wholly owned subsidiary Harmony Gold (Australia) Pty Ltd.

Where can investors find more details about Harmony Gold’s MAC Copper transaction?

Investors can refer to the SENS announcement released on 27 May 2025, available on Harmony’s website at www.harmony.co.za, for full details of the transaction.

Who is the contact for investor relations regarding Harmony Gold’s MAC Copper scheme?

The investor relations contact is Jared Coetzer, Head of Investor Relations, whose telephone number is listed as +27 (0) 82 746 4120.

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Accepted by SEC EDGAR 10/10/2025 - 08:43 AM Learn about SEC filing dates

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 October 10, 2025

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 Ltd

Registration number: 1950/038232/06

Incorporated in the Republic of South Africa

ISIN: ZAE000015228

JSE share code: HAR

(“Harmony” or the “company”)

HARMONY’S SCHEME OF ARRANGEMENT WITH MAC COPPER BECOMES EFFECTIVE

Johannesburg, Friday, 10 October 2025. Harmony Gold Mining Company Limited (“Harmony” or the “Company”) advises that the Royal Court of Jersey ("Court") has made orders sanctioning the proposed acquisition of 100% of the issued share capital in MAC Copper Limited ("MAC") by Harmony Gold (Australia) Pty Ltd (a wholly owned subsidiary of Harmony) by way of Jersey law scheme of arrangement pursuant to Article 125 of the Companies (Jersey) Law 1991 (as amended) (the "Scheme").

Following lodgement by MAC of a copy of the Court's order with the Jersey Registrar of Companies, the Scheme is now legally effective. Implementation of the Scheme is expected to occur on Friday, 24 October 2025 (Jersey time), upon which Harmony will assume ownership and operational control of the CSA Copper Mine.

Please refer to the SENS announcement released on 27 May 2025 for the full details of the transaction. This is available on our website at: www.harmony.co.za.

Further updates will be provided as the transaction progresses.

Jared Coetzer

Head of Investor Relations

+27 (0) 82 746 4120

Johannesburg, South Africa

10 October 2025

JSE Sponsor

J.P. Morgan Equities South Africa (Pty) Ltd

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: October 10, 2025									By: /s/ Boipelo Lekubo
									Name: Boipelo Lekubo
									Title: Financial Director