Harmony's acquisition of MAC Copper becomes legally effective

MAC Copper Limited (NYSE: MTAL) announced that its acquisition by Harmony Gold Mining Company Limited (NYSE: HMY) became legally effective after the company lodged the Royal Court of Jersey's sanctioning order with the Jersey Registrar of Companies.

Under the scheme of arrangement, Harmony Gold (Australia) Pty Ltd, a wholly owned subsidiary of Harmony Gold Mining Company Limited, will acquire 100% of MAC Copper's issued share capital.

MAC Copper's shares will be suspended from trading on the ASX at market close and cease trading on the NYSE. The scheme record date is set for 5:00 pm New York time on October 17, 2025 for shareholders and 7:00 pm Sydney time on October 17, 2025 for holders of CHESS Depositary Interests.

The scheme is expected to be implemented on October 24, 2025. Shareholders holding MAC shares or CDIs at the record date will receive scheme consideration according to the arrangement's terms.

MAC shares will be completely delisted from the NYSE on October 24, 2025, with delisting from the ASX scheduled for November 3, 2025. Consideration payments will begin on October 27, 2025 for shares held within the Depository Trust Company system, with other payments following by October 31, 2025.

The transaction follows a scheme circular released on July 31, 2025. MAC Copper operates metals and mining businesses focused on materials used in electrification and decarbonization.

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