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ERO.TO ·

Ero Copper Announces Plans to List on the New York Stock Exchange

Corporate Updates

TSX: ERO

1 Ero Copper Corp

625 Howe Street | Suite 1050 | Vancouver | BC | V6C 2T6 | Canada

JUNE 10, 2021

Ero Copper Announces Plans to List on the New York Stock Exchange

Vancouver, British Columbia – Ero Copper Corp. ( “Ero Copper” or the “Company”) (TSX:

ERO) is pleased to announce the Company has received approval from the New York Stock

Exchange (“NYSE”) for a U.S. listing of its common shares. The Company expects to commence

trading on the NYSE on or about June 15, 2021 under the ticker symbol “ERO”. The Company’s

common shares will contin ue trading on the Toronto Stock Exc hange under the ticker symbol

“ERO”.

“We believe this U.S. listing is an important milestone for our Company as it provides another

access point for investors seeking to invest in Ero,” said Noel Dunn, Executive Chairman. “Since

our IPO in 2017, our business and assets have achieved tremendous growth, garnering increased

attention from global investors. We believe that listing on the NYSE offers an opportunity to

broaden our shareholder base and enhance trading liquidity for existing shareholders.”

Concurrent with the commencement of trading on the NYSE, Ero Copper’s common shares will

cease trading on the OTC Markets. Shareholders are not required to take any action. Ero Copper

recommends that investors who bought shares on the OTC Markets monitor their brokerage

accounts to ensure their holdings are updated to correctly reflect the new ticker symbol.

ABOUT ERO COPPER CORP

Ero, headquartered in Vancouver, B.C., is focused on copper production growth from the Vale do

Curaçá Property, located in Bahia, Brazil. The Company's primary asset is a 99.6% interest in the

Brazilian copper mining company, MCSA, 100% owner of the Vale do Curaçá Property with over

40 years of operating history in the region. The Company curr ently mines copper ore from the

Pilar and Vermelhos underground mines. In addition to the Vale do Curaçá Property, MCSA owns

100% of the Boa Esperanç a development project, an IOCG -type copper project located in Pará,

Brazil and the Company owns 97.6% of the NX Gold Mine, an operating gold and silver mine

located in Mato Grosso, Brazil. Additional information on the Company and its operations,

including technical reports on the Vale do Curaçá, Boa Esperança and NX Gold properties, can be

found on the Company's website (www.erocopper.com) and on SEDAR (www.sedar.com).

TSX: ERO

2 Ero Copper Corp

625 Howe Street | Suite 1050 | Vancouver | BC | V6C 2T6 | Canada

ERO COPPER CORP.

Signed: “David Strang” For further information contact:

David Strang, CEO Courtney Lynn, VP, Corporate Development & Investor Relations

(604) 335-7504

[email protected]

CAUTION REGARDING FORWARD LOOKING INFORMATION AND STATEMENTS This press release contains “forward -looking information” within the meaning of

applicable Canadian securities laws. Forward-looking information includes statements that use forward -looking terminology such as “may”, “could”, “would”, “will”,

“should”, “intend”, “target”, “plan”, “expect”, “budget”, “estimate”, “forecast”, “schedule”, “anticipate”, “believe”, “conti nue”, “potential”, “view” or the negative or

grammatical variation thereof or other variations thereof or comparable terminology. Such forward-looking information includes, without limitation, statements with

respect to the date for commencement of trading on the NYSE as well as the likelihood of broadening the Company’s shareholder base and enhancing trading liquidity

for the Company’s existing shareholders.

Forward-looking information is not a guarantee of future performance and is based upon a number of estimates and assumptions of management in light of

management’s experience and perception of trends, current conditions and expected developments, as well as other factors that management believes to be relevant

and reasonable in the circumstances, as of the date of this Press Release including, without limitation, assumptions about: favourable equity and debt capital markets;

the ability to raise any necessary additional capital on reasonable terms to advance the production, development and exp loration of the Company’s properties and

assets; future prices of copper and other metal prices; the timing and results of exploration and drilling programs; the accuracy of any mineral reserve and mineral

resource estimates; the geology of the MCSA Mining Complex, NX Gold Mine and the Boa Esperança Property being as described in the technical reports for these

properties; production costs; the accuracy of budgeted exploration and development costs and expenditures; the price of other commodities such as fu el; future

currency exchange rates and interest rates; operating conditions being favourable such that the Company is able to operate in a safe, efficient and effective manner;

work force continues to remain healthy in the face of prevailing epidemics, pan demics or other health risks, political and regulatory stability; the receipt of

governmental, regulatory and third party approvals, licenses and permits on favourable terms; obtaining required renewals for existing approvals, licenses and permits

on favourable terms; requirements under applicable laws; sustained labour stability; stability in financial and capital goods markets ; availability of equipment and

critical supplies, spare parts and consumables; positive relations with local groups and the Company’s ability to meet its obligations under its agreements with such

groups; and satisfying the terms and conditions of the Company’s current loan arrangements. While the Company considers these assumptions to be reasonable, the

assumptions are inherently subject to significant business, social, economic, political, regulatory, competitive and other risks and uncertainties, contin gencies and

other factors that could cause actual actions, events, conditions, results, performance or achievements to be materially different from those projected in the forward-

looking information. Many assumptions are based on factors and events that are not within the control of the Company and there is no assurance they will prove to

be correct.

Furthermore, such forward-looking information involves a variety of known and unknown risks, uncertainties and other factors which may cause the actual plans,

intentions, activities, results, performance or achievements of the Company to be materially different from any future plans, intentions, activities, results, performance

or achievements expressed or implied by such forward -looking information. Such risks include, without limitation the risk factors listed under the heading “Risk

Factors” in the Annual Information Form of the Company for the year ended December 31, 2020, dated March 16, 2021.

Although the Company has attempted to identify important factors that could cause actual actions, events, conditions, results, performance or achievements to differ

materially from those describ ed in forward -looking information, there may be other factors that cause actions, events, conditions, results, performance or

achievements to differ from those anticipated, estimated or intended.

The Company cautions that the foregoing lists of important assumptions and factors are not exhaustive. Other events or circumstances could cause actual results to

differ materially from those estimated or projected and expressed in, or implied by, the forward-looking information contained herein. There can be no assurance that

forward-looking information will prove to be accurate, as actual results and future events could differ materially from those anticipated in such information. Accordingly,

readers should not place undue reliance on forward-looking information.

Forward-looking information contained herein is made as of the date of this press release and the Company disclaims any obligation to update or revise any forward-

looking information, whether as a result of new information, future events or results or otherwise, except as and to the extent required by applicable securities laws.