LONDON - Orosur Mining Inc. ('Orosur' or 'the Company') (TSX: OMI) (AIM: OMI) announces the audited results for the fiscal year ended May 31, 2020.

The audited financial statements of the Company for the year ended May 31, 2020; the related management's discussion and analysis ('MD&A'); the annual information form ('AIF') and the Forms 52-109F1 have all been filed and are available for review on the SEDAR website at www.sedar.com. The financial statements, the MD&A and the AIF are also available on the Company's website at www.orosur.ca.

Brad George, CEO of Orosur said: 'This year just ended has been one of transition for Orosur. San Gregorio had been the backbone for the company for many years, producing some 1.5Moz of gold during its life. 2020 however marks a new chapter where we shift focus to Colombia and the Anza project, with our partners Newmont and Agnico. COVID-19 has clearly presented challenges, but with careful planning and operation, we hope to be active toward the end of calendar 2020, setting the foundation for an exciting 2021.'

Contact:

Louis Castro

Tel: +1 (778) 373-0100

Email: info@orosur.ca

About Orosur Mining Inc.

Orosur Mining Inc. (TSX: OMI; AIM: OMI) is a precious metals developer and explorer focused on identifying and advancing gold projects in South America. The Company operates in Colombia and Uruguay.

Forward Looking Statements

All statements, other than statements of historical fact, contained in this news release constitute 'forward looking statements' within the meaning of applicable securities laws, including but not limited to the 'safe harbour' provisions of the United States Private Securities Litigation Reform Act of 1995 and are based on expectations estimates and projections as of the date of this news release.

Forward-looking statements include, without limitation, the exploration plans in Colombia and the funding from Monte Aguila of those plans, Monte Aguila's decision to continue with the Exploration and Option agreement, the ability for Loryser to continue and finalize with the remediation in Uruguay, the ability to implement the Creditors' Agreement successfully as well as continuation of the business of the Company as a going concern and other events or conditions that may occur in the future. The Company's continuance as a going concern is dependent upon its ability to obtain adequate financing, to reach profitable levels of operations and to reach a satisfactory implementation of the Creditor's Agreement in Uruguay. These material uncertainties may cast significant doubt upon the Company's ability to realize its assets and discharge its liabilities in the normal course of business and accordingly the appropriateness of the use of accounting principles applicable to a going concern. There can be no assurance that such statements will prove to be accurate. Actual results and future events could differ materially from those anticipated in such forward looking statements. Such statements are subject to significant risks and uncertainties including, but not limited, those as described in Section 'Risks Factors' of the MD&A and the Annual Information Form. The Company disclaims any intention or obligation to update or revise any forward-looking statements whether as a result of new information, future events and such forward-looking statements, except to the extent required by applicable law.

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