# EDGAR Filing Document

**Accession Number:** 0001853860
**File Stem:** 0001171843-25-006331
**Filing Date:** 2025-10
**Character Count:** 5547
**Document Hash:** 6a4c90b488dd7cec9ffc330906622998
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001171843-25-006331.hdr.sgml**: 20251007

**ACCESSION NUMBER**: 0001171843-25-006331

**CONFORMED SUBMISSION TYPE**: 6-K

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20251007

**FILED AS OF DATE**: 20251007

**DATE AS OF CHANGE**: 20251007

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Ero Copper Corp.
- **CENTRAL INDEX KEY:** 0001853860
- **STANDARD INDUSTRIAL CLASSIFICATION:** METAL MINING [1000]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 000000000
- **STATE OF INCORPORATION:** A1
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 6-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-40459
- **FILM NUMBER:** 251380596

**BUSINESS ADDRESS:**
- **STREET 1:** 625 HOWE STREET, SUITE 1050
- **CITY:** VANCOUVER
- **STATE:** A1
- **ZIP:** V6C 2T6
- **BUSINESS PHONE:** 604-449-9236

**MAIL ADDRESS:**
- **STREET 1:** 625 HOWE STREET, SUITE 1050
- **CITY:** VANCOUVER
- **STATE:** A1
- **ZIP:** V6C 2T6

**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 under the Securities Exchange Act of 1934**

**For the month of October 2025**

**Commission File Number: 001-40459**

**Ero Copper Corp.**

(Translation of registrant's name into English)

**625 Howe Street, Suite 1050 Vancouver, British Columbia V6C 2T6 Canada**

(Address of principal executive office)

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 [ ] &nbsp;&nbsp;&nbsp;&nbsp; Form 40-F [ X ]

Exhibit 99.1 of this Form 6-K is incorporated by reference as additional exhibit to the registrant's Registration Statement on Form S-8 (File NO. 333-264821) and Registration Statement on Form F-10 (File NO. 333-274097).

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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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| | | |
|:---|:---|:---|
|  | **Ero Copper Corp.&nbsp;&nbsp;&nbsp;&nbsp;** | **Ero Copper Corp.&nbsp;&nbsp;&nbsp;&nbsp;** |
| Date: October 7, 2025 | By: | <u>/s/ Deepk Hundal&nbsp;&nbsp;&nbsp;&nbsp;</u> |
|  |  | Name: Deepk Hundal |
|  |  | Title: Executive Vice President, General Counsel and Corporate Secretary |

---

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**EXHIBIT INDEX**

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| | |
|:---|:---|
| <u>**Exhibit Number**</u> | <u>**Description**</u> |
| [99.1](exh_991.htm) | [Press Release dated October 7, 2025](exh_991.htm) |

---

## Exhibit 99.1

**EXHIBIT 99.1**

**Ero Copper to Release Third Quarter 2025 Operating and Financial Results on November 4, 2025**

VANCOUVER, British Columbia, Oct. 07, 2025 (GLOBE NEWSWIRE) -- **Ero Copper Corp. (TSX: ERO, NYSE: ERO)** (the "Company") will publish its third quarter 2025 operating and financial results on Tuesday, November 4, 2025, after market close. The Company will host a conference call to discuss the results on Wednesday, November 5, 2025 at 11:30am Eastern time (8:30am Pacific time). A results presentation will be available for download via the webcast link and in the Presentations section of the Company's website on the day of the conference call.

**CONFERENCE CALL DETAILS**

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| | |
|:---|:---|
| Date: | Wednesday, November 5, 2025 |
| Time: | 11:30am Eastern Time (8:30am Pacific Time) |
| Dial In: | Canada/USA Toll Free: 1-833-752-3380, International: +1-647-846-2821<br>*Please dial in 5-10 minutes prior to the start of the call or pre-register using this link to bypass the live operator queue: https://dpregister.com/sreg/10202684/ffdaf70798* |
| Webcast: | Webcast Link: https://event.choruscall.com/mediaframe/webcast.html?webcastid=8rQ1Un71 |
| Replay: | Canada/USA Toll Free: 1-855-669-9658, International: +1-412-317-0088<br>*Country-specific dial-in numbers: https://services.choruscall.com/ccforms/replay.html* |
| Replay Passcode: | 1606784 |

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**ABOUT ERO COPPER CORP**

Ero Copper is a high-margin, high-growth copper and gold producer with operations in Brazil and corporate headquarters in Vancouver, B.C. The Company's primary asset is a 99.6% interest in the Brazilian copper mining company, Mineração Caraíba S.A. ("MCSA"), owner of the Company's Caraíba Operations, which are located in the Curaçá Valley, Bahia State, Brazil, and the Tucumã Operation, an open pit copper mine located in Pará State, Brazil. The Company also owns 97.6% of NX Gold S.A. ("NX Gold") which owns the Xavantina Operations, an operating gold mine located in Mato Grosso State, Brazil. In July 2024, the Company signed a definitive earn-in agreement with Vale Base Metals for the right to acquire a 60% interest in the Furnas Copper-Gold Project, located in the Carajás Mineral Province in Pará State, Brazil. For more information on the earn-in agreement, please see the Company's press releases dated October 30, 2023 and July 22, 2024. Additional information on the Company and its operations, including technical reports on the Caraíba Operations, Xavantina Operations, Tucumã Operation and the Furnas Copper-Gold Project, can be found on the Company's website (www.erocopper.com), on SEDAR+ (http://www.sedarplus.ca/landingpage/) and on EDGAR (www.sec.gov) The Company's shares are publicly traded on the Toronto Stock Exchange and the New York Stock Exchange under the symbol "ERO".

**FOR MORE INFORMATION, PLEASE CONTACT**

Farooq Hamed, VP, Investor Relations

info@erocopper.com