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Ero Copper Files Preliminary Prospectus for Proposed Initial Public Offering and Secondary Offering of Common Shares

Financings

NOT FOR DISTRIBUTION IN THE UNITED STATES

Ero Copper Files Preliminary Prospectus for Proposed Initial Public Offering and

Secondary Offering of Common Shares

Vancouver, Canada (September 8, 2017) – Ero Copper Corp. (“Ero” or the “Company”) today

announced that it has filed a preliminary prospectus with the securities regulatory authorities in each of

the provinces and territories of Canada, other than Québec, for a proposed initial public offering and

secondary offering of its common shares (the “Offering”). The Offering will include a treasury offering

by Ero and a secondary offering of common shares of Ero held by certain securityholders of the

Company. The number of common shares to be sold and the price range for the proposed Offering have

not yet been determined.

The Offering will be managed by a syndicate of underwriters, including BMO Capital Markets and

Scotiabank as lead joint bookrunners for the Offering.

A preliminary prospectus has been filed with the securities commissions or similar securities regulatory

authorities in each of the provinces and territories of Canada, other than Québec, containing important

information relating to the common shares. The preliminary prospectus remains subject to completion or

amendment. There will not be any sale or any acceptance of an offer to buy the common shares until a

receipt for the final prospectus has been issued by the relevant securities commissions in Canada.

Copies of the preliminary prospectus may be obtained from www.sedar.com.

No securities regulatory authority has either approved or disapproved of the contents of this news release.

The common shares have not been and will not be registered under the United States Securities Act of

1933, as amended (the “U.S. Securities Act ”) or any state securities laws. Accordingly, the common

shares may not be offered or sold within the United States unless registered under the U.S. Securities Act

and applicable state securities laws or pursuant to exemptions from the registration requirements of the

U.S. Securities Act and applicable state securities laws. This news release does not constitute an offer to

sell or a solicitation of an offer to buy any securities of Ero in any jurisdiction in which such offer,

solicitation or sale would be unlawful.

About Ero

Ero is a base metals mining company focused on the production and sale of copper from the Vale do

Curaçá Property in Brazil, with gold and silver produced and sold as by-products from the Vale do Curaçá

Property.

Forward Looking Statements

This press release contains certain forward-looking statements, including statements with regard to the

Offering. Words such as “expects”, “anticipates” and “intends” or similar expressions are intended to

identify forward-looking statements. These forward-looking statements are subject to the inherent

uncertainties in predicting future results and conditions and no assurance can be given that the Offering

will be completed on the terms described. Completion of the Offering and the terms thereof are subject

to numerous factors, many of which are beyond Ero’s control, including, without limitation, failure of

customary closing conditions and the risk factors and other matters set forth in Ero’s preliminary

prospectus. Ero undertakes no obligation to publicly update or revise any forward-looking statements,

whether as a result of new information, future events or otherwise, except as may be required by law.

Contact:

Investor Inquiries:

Noel Dunn, Executive Chairman

David Strang, President & Chief Executive Officer

(604)-449-9236

[email protected]