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ATY.V ·

Atico Announces Temporary Work Stoppage at El Roble Mine

Corporate Updates

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Atico Announces Temporary Work Stoppage at El Roble Mine

Vancouver, August 15, 2017 -- Atico Mining Corporation (the “Company” or “Atico”)

(TSX.V: ATY | OTC: ATCMF) reports a temporary work stoppage at the El Roble mine

pending final inspection of the clean water discharge system. The Company will work with

provincial authorities to confirm the integrity and safety of the system as quickly as possible,

beginning tomorrow August 16, 2017.

The safety of people and the environment remains a priority for Atico at El Roble mine. On

August 9, 201 7, the clean water discharge system malfunctioned and as a result a small

quantity of sediment was discharged. The Company has taken immediate corrective action and

is working with the provincial authority to verify that there are no further actions needed.

As of August 14, operations have temporarily stopped to run a complete inspection of the

system along with the provincial authority´s personnel.

At this point in time, the Company does not believe the incident posed any threat to the health

of employees, c ommunities, or the environment. The Company aims to resume operations as

soon as possible.

About Atico Mining Corporation

Atico is a growth-oriented Company, focused on exploring, developing and mining copper and

gold projects in Latin America. The Company operates the El Roble mine and is pursuing

additional acquisition opportunities. For more information, please visit www.aticomining.com.

ON BEHALF OF THE BOARD

Fernando E. Ganoza

CEO

Atico Mining Corporation

Trading symbols: TSX.V: ATY | OTC: ATCMF

Investor Relations

Igor Dutina

Tel: +1.604.633.9022

Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of

the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

No securities regulatory authority has either approved or disapproved of the co ntents of this news release. The

securities being offered 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, and may not be offered or sold in t he United

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States, or to, or for the account or benefit of, a "U.S. person" (as defined in Regulation S of the U.S. Securities

Act) unless pursuant to an exemption therefrom. This press release is for information purposes only and does not

constitute an offer to sell or a solicitation of an offer to buy any securities of the Company in any jurisdiction.

Cautionary Note Regarding Forward Looking Statements

This announcement includes certain “forward -looking statements” within the meaning of Canadian securities

legislation. All statements, other than statements of historical fact, included herein, without limitation the use of

net proceeds, are forward -looking statements. Forward - looking statements involve various risks and

uncertainties and are based on certain factors and assumptions. There can be no assurance that such statements

will prove to be accurate, and actual results and future events could differ materially from those anticipated in

such statements. Important factors that could cause actual results to differ materially from the Company’s

expectations include uncertainties relating to interpretation of drill results and the geology, continuity and g rade

of mineral deposits; uncertainty of estimates of capital and operating costs; the need to obtain additional

financing to maintain its interest in and/or explore and develop the Company’s mineral projects; uncertainty of

meeting anticipated program mil estones for the Company’s mineral projects; and other risks and uncertainties

disclosed under the heading “Risk Factors” in the prospectus of the Company dated March 2, 2012 filed with the

Canadian securities regulatory authorities on the SEDAR website at www.sedar.com

The Company has not based its production decisions and ongoing mine production on mineral reserve estimates,

preliminary economic assessments or feasibility studies, and historically such projects have in creased

uncertainty and risk of failure. Mineral resources that are not mineral reserves do not have demonstrated

economic viability.

Non-GAAP Financial Measures

The items marked with a "(1)" are alternative performance measures and readers should refer to Non -GAAP

Financial Measures in the Company's Management's Discussion and Analysis for the nine months ended

September 30, 2016 as filed on SEDAR and as available on the Company's website for further details.