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

VANCOUVER, BRITISH COLUMBIA--(Marketwired - Sept. 8, 2017) -

NOT FOR DISTRIBUTION IN THE UNITED STATES

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.