Atico Announces Temporary Work Stoppage at El Roble Mine

VANCOUVER, BRITISH COLUMBIA--(Marketwired - Aug 15, 2017) - Atico Mining Corporation (the "Company" or "Atico") (TSX VENTURE:ATY) (OTC PINK: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, 2017, 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, communities, 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 VENTURE:ATY) (OTC PINK:ATCMF)

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 contents 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 the United 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 grade 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 milestones 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 increased 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.