# EDGAR Filing Document

**Accession Number:** 0001950246
**File Stem:** 0001104659-25-070084
**Filing Date:** 2025-7
**Character Count:** 4962
**Document Hash:** ad886bf75c0c9e40a8dea56e4574f859
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-25-070084.hdr.sgml**: 20250724

**ACCESSION NUMBER**: 0001104659-25-070084

**CONFORMED SUBMISSION TYPE**: 6-K

**PUBLIC DOCUMENT COUNT**: 5

**CONFORMED PERIOD OF REPORT**: 20250723

**FILED AS OF DATE**: 20250724

**DATE AS OF CHANGE**: 20250723

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** MAC Copper Ltd
- **CENTRAL INDEX KEY:** 0001950246
- **STANDARD INDUSTRIAL CLASSIFICATION:** METAL MINING [1000]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 000000000
- **STATE OF INCORPORATION:** Y9
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 6-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-41722
- **FILM NUMBER:** 251143932

**BUSINESS ADDRESS:**
- **STREET 1:** 3RD FLOOR
- **STREET 2:** 44 ESPLANADE, ST
- **CITY:** ST. HELIER
- **STATE:** Y9
- **ZIP:** JE4 9WG
- **BUSINESS PHONE:** 8176989901

**MAIL ADDRESS:**
- **STREET 1:** 3RD FLOOR
- **STREET 2:** 44 ESPLANADE, ST
- **CITY:** ST. HELIER
- **STATE:** Y9
- **ZIP:** JE4 9WG

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Metals Acquisition Ltd
- **DATE OF NAME CHANGE:** 20221011

**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 of the Securities Exchange Act of 1934**

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| | | |
|:---|:---|:---|
| For the month of | **July** | **2025** |
| Commission File Number | **001-41722** |  |

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| |
|:---|
| **MAC COPPER LIMITED** |
| (Translation of registrant's name into English) |
| **3rd Floor, 44 Esplanade**<br> **St. Helier, Jersey, JE4 9WG**<br> **Tel: +(817) 698-9901** |
| (Address of principal executive offices) |

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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 x Form 40-F □

**EXHIBIT INDEX**

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| | |
|:---|:---|
| **Exhibit** | **Description of Exhibit** |
| [99.1](tm2521495d1_ex99-1.htm) | [Press Release of MAC Copper Limited dated July 23, 2025.](tm2521495d1_ex99-1.htm) |

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**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.

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| | | | | |
|:---|:---|:---|:---|:---|
| | | **MAC COPPER LIMITED** | **MAC COPPER LIMITED** | **MAC COPPER LIMITED** |
| | | (Registrant) | (Registrant) | (Registrant) |
| Date: | July 23, 2025 | By: | /s/ Michael James McMullen | /s/ Michael James McMullen |
|  |  |  | Name: | Michael James McMullen |
|  |  |  | Title: | Chief Executive Officer |

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## Exhibit 99.1

**Exhibit 99.1**

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| | |
|:---|:---|
| ![](tm2521495d1_ex99-1img001.jpg) | ![](tm2521495d1_ex99-1img002.jpg) |

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23 July 2025

**MAC Copper Limited announces Annual General Meeting Date**

ST. HELIER, Jersey – (BUSINESS WIRE) – MAC Copper Limited ARBN 671 963 198 (NYSE:MTAL; ASX:MAC)

MAC Copper Limited (NYSE:MTAL, ASX:MAC), a private limited company incorporated under the laws of Jersey, Channel Islands ("**MAC**" or the "**Company**"), advises for the purpose of ASX Listing Rule 3.13.1 that the:

&nbsp;&nbsp;&nbsp;&nbsp;· 2025
Annual General Meeting of the Company ()"**Meeting**") will be held on 1:30 pm (Jersey time) / 8:30 am (New York time)
/ 10:30 pm (Sydney time) Friday, 29 August 2025 (or as soon thereafter as the Scheme Meeting and the General Meeting to be convened on
the same day have concluded or been adjourned); and

&nbsp;&nbsp;&nbsp;&nbsp;· closing
date for receipt of written notice to the Secretary of the Company of business proposed to be brought before the Meeting including the
nominations for the election to the Board as required by ASX Listing Rule 3.13.1, is no later than 8:00 am (Jersey time) / 3:00 am (New
York time) / 5:00 pm (Sydney time) on 31 July 2025.

The record date for a MAC shareholder's entitlement to vote at the Meeting will be the entitlement of that person set out in MAC's register of members as at 4:00 pm (New York time) on Tuesday, 29 July 2025 for MAC shareholders and 7:00 pm (Sydney time) on Tuesday, 29 July 2025 for MAC CDI holders.

– Ends –

This announcement has been authorised for release by Mick McMullen, CEO and Director.

Contacts

Mick McMullen<br> Chief Executive Officer & Director<br> MAC Copper Limited<br> <u>investors@metalsacqcorp.com</u> <u> Chris Rosario General Counsel and Joint Company Secretary MAC Copper Limited<br></u>

**About MAC Copper Limited**

MAC Copper Limited (NYSE:MTAL; ASX:MAC) is a company focused on operating and acquiring metals and mining businesses in high quality, stable jurisdictions that are critical in the electrification and decarbonization of the global economy.

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| | | | |
|:---|:---|:---|:---|
| ![](tm2521495d1_ex99-1img003.jpg) | **MAC Copper Limited**<br> maccopperlimited.com | 3rd Floor, 44 Esplanade, <br> St Helier, Jersey, JE4 | Page 1 |

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