Orosur Mining Inc. – First Quarter 2019 Results

Orosur Mining Inc. ("Orosur” or "the Company”) (TSX: OMI) (AIM: OMI) announces the unaudited results for the fiscal first quarter ended August 31, 2018 ("Q1 19”). All dollar figures are stated in US$ unless otherwise noted.

Highlights

Operational

• In August 2018, the Company placed its San Gregorio operations in Uruguay under care and maintenance.
• The reorganization process of Orosur’s Uruguayan operating subsidiary, Loryser S.A., has been ongoing since June 2018. Under the reorganisation proceedings, the term for credit verification ended on September 3, 2018, and a court-appointed Controller has validated all the credits and has filed a report on the assets and debts of Loryser on October 3, 2018. The report is currently subject to review and potential reassessment before the creditors’ meeting scheduled for December 2018. A final date for approval of the report, including the final list of creditors and assets, is dependent on whether there are any challenges. The Controller is preparing a second report assessing the status of Loryser and explaining the causes that led Loryser to the current situation.
• Q1 19 production was 3,029 oz of gold, compared to 8,626 oz in Q1 18.
• 65,163 tonnes of ore were processed at a grade of 1.28 g/t with recovery averaging 93.01%. This compares to 268,964 tonnes at 0.96 g/t and recoveries averaging 93.64%. for Q1 18.
• The average gold price realized for the Quarter was US$1,261/oz (Q1 18: US$1,260/oz).
• Average cash operating cost was US$1,040/oz, compared to US$901/oz in Q1 18 due primarily to lower production and higher processing and administrative unit costs.
• All-In-Sustaining Costs ("AISC”) were US$1,342/oz compared to US$1,348/oz in Q1 18. The decreases in capital expenditure and brownfield exploration were offset by lower production.

Financial

• Restructuring costs of US$3.3 million (Q1 18: US$0.06 million) were recognized as a provision for layoffs as a result of substantial reductions in staff at San Gregorio, leaving the Company with 24 employees at the end of August.
• Loss before tax was US$6.0 million compared to a loss of US$0.4 million in Q1 18. This was mainly due to diminished operations and higher restructuring costs.
• The Company invested US$0.3 million in capital expenditures and US$0.2 million in exploration compared to US$2.9 million and US$1.6 million respectively in Q1 18. The Company has significantly decreased its investment related to the San Gregorio project compared to Q1 18 by putting the mine in care and maintenance during Q1 19.
• The Company’s cash balance at August 31, 2018 was US$1.1 million compared to US$1.4 million at May 31, 2018, with a deficiency in net working capital (current assets less current liabilities including cash) of US$14.6 million compared to US$10.6 million at May 31, 2018. The total liabilities under the Loryser reorganization proceedings subject to the recent validation by the Controller were US$12.3 million. This amount relates mainly to commercial creditors and financial debt as $6.2 million in labour liabilities and $5.4 million in environmental liabilities are not part of the proceedings unless Loryser is put into liquidation.
• As of the date of this announcement, the Company has a cash balance of US$1.5 million, of which US$0.4 million is held by Loryser and subject to the reorganisation procedures. All the debt (US$1.9 million) is held by Loryser and subject to the reorganisation procedures.

Significant Transaction After the Quarter

On September 10, 2018, the Company completed a non-brokered private placement of US$2.0 million with Newmont Mining Corporation (NYSE: NEM) and an exploration agreement with venture option with Newmont Colombia S.A.S., a wholly-owned subsidiary of Newmont, for the Anzá exploration property in Colombia. The Exploration and Option Agreement includes a three-phase earn-in structure allowing Newmont to earn up to a 75% ownership interest in the Anzá Project by spending a minimum of US$30 million in qualifying expenditures over twelve years, completing an NI 43-101 compliant feasibility study and making cash payments to Orosur equaling a total of US$4.0 million over Phases 1 and 2. Newmont purchased 29,213,186 common shares at a price of C$0.091 per share for aggregate proceeds of US$2.0 million which includes the initial advance of US$250,000 previously announced on July 10, 2018. Newmont now holds 19.9% of the share capital of the Company.

¹ Results are based on IFRS and expressed in US dollars. Certain measures such as operating cash costs and AISC are non-IRFS measures and are explained in the Company’s MD&A for the three months ended August 31, 2018.

² Before non-cash working capital movements

³ Operating cash cost is total cost discounting royalties and capital tax on production assets.

⁴ $1,068 of the cash shown is held in Loryser and is under reorganisation proceedings.

⁵ All of the debt shown is under reorganisation proceedings.

FY19 Outlook

As a consequence of the weaker mineralization encountered at the San Gregorio UG mine in Uruguay and the consequently difficult financial situation of the Company, the Board adopted an aggressive strategic plan which is being implemented, with the main objective to restructure its businesses, recapitalize and transform the Company by advancing Colombia with Newmont as partner, finding a fair solution in Uruguay for all stakeholders and reducing its activities in Chile.

Orosur is planning the next stages of exploration of the high grade Anzá project in Colombia in coordination with Newmont.

The Company is hard at work and anticipates reaching a fair and balanced solution in Uruguay in the interest of all our stakeholders. As part of the reorganisation procedures, the Court has scheduled a meeting of creditors for December 2018. In parallel with ongoing discussions with third parties, the Company has started working on a payment plan proposal agreement with the creditors which should be negotiated in advance of the creditors’ meeting.

About Orosur Mining Inc.

Orosur Mining Inc. (TSX: OMI; AIM: OMI) is a fully integrated gold producer, 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, the ability to continue operations in Uruguay, and the ability to find a fair and balanced reorganisation plan in the interests of all stakeholders. 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 the outcome of current discussions and negotiations with respect to the Company’s assets in Uruguay, the results of future exploration in Colombia, the ability to successfully permit and develop the Veta A underground project and other risks and uncertainties which are described in Section 8 of the Management’s Discussion and Analysis for the three months ended August 31, 2018 and for the year ended May 31, 2018. The Company’s continuance as a going concern is dependent upon its ability to obtain adequate financing and to reach profitable levels of operations. 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. Although the Company has been successful in the past in obtaining financing there is no assurance that it will be able to obtain adequate financing in future or that such financing will be on terms advantageous to the Company. 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.

The information contained within this announcement is deemed by the Company to constitute inside information as stipulated under the Market Abuse Regulation ("MAR"). Upon the publication of this announcement via Regulatory Information Service, this inside information is now considered to be in the public domain. If you have any queries on this, then please contact Ryan Cohen, VP Corporate Development of the Company (responsible for arranging release of this announcement on behalf of the Company) on: +1 (778) 373-0100.

– Financial Statements Follow –

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