TORONTO - Adventus Mining Corporation (TSXV: ADZN) (OTCQX: ADVZF) is pleased to announce that Ms. Melissa Romero Noboa has been appointed to the Adventus board as the Consorcio Nobis ('Nobis') nominee subject to TSX Venture Exchange acceptance.

Adventus is also pleased to report the voting results from the Company's 2021 Annual and Special Meeting of Shareholders ('Meeting'), which was held on June 10, 2021 in Toronto, Canada, as well as an update on Adventus' investment in Canstar Resources Inc.

New Board Representative from Nobis

Ms. Melissa Romero Noboa is a board director of Nobis and an international businesswoman. She has held senior commercial and strategic roles at various Nobis and Noboa Family businesses, with particular focus in Ecuador and the US. Ms. Romero Noboa has completed management programs at IDE-Guayaquil and Kellogg Business Schools. She is the daughter of Ms. Isabel Noboa Ponton, the Founder and Executive President of Nobis.

Share Compensation Plan

Shareholders re-approved the Company's share compensation plan allowing for the granting of up to 10% of the Company's issued and outstanding common shares at any time. The voting results were as follows:

Amendment to Share Compensation Plan

Disinterested shareholders approved an amendment to the Company's share compensation plan to increase the number of restricted share units available for award thereunder to 2,000,000 restricted share units, as more particularly described in the accompanying management information circular. The voting results were as follows

Canstar Resources Investment Update

Adventus wishes to congratulate Canstar Resources Inc. ('Canstar') (TSX-V: ROX, OTCPK: CSRNF) on the completion of its $2.5 million financing led by Eric Sprott in May 2021. Canstar has recently commenced its first drilling program at the Golden Baie project in south-central Newfoundland, Canada, which is supported by extensive field activities and regional exploration developments in Newfoundland. Adventus owns 17,336,339 shares of Canstar for investment purposes, which are valued at approximately $6.5 million at the date of this news release. Adventus may acquire additional securities of Canstar including on the open market or through private acquisitions or sell securities of Canstar including on the open market or through private dispositions in the future depending on market conditions, reformulation of plans and/or other relevant factors.

About Adventus

Adventus Mining Corporation is an Ecuador focused copper-gold exploration and development company. Its strategic shareholders include Altius Minerals Corporation, Greenstone Resources LP, Wheaton Precious Metals Corp., and the Nobis Group of Ecuador. Adventus is advancing the El Domo copper-gold project through a feasibility study, while exploring the broader Curipamba district. In addition, Adventus is engaged in a country-wide exploration alliance with its partners in Ecuador, which has incorporated the Pijili and Santiago copper-gold porphyry projects to date. Adventus also controls an exploration project portfolio in Ireland with South32 Limited as funding partner as well as an investment portfolio of equities in several exploration companies. Adventus is based in Toronto, Canada, and is listed on the TSX Venture Exchange under the symbol ADZN and trades on the OTCQX under the symbol ADVZF.

About Nobis

Consorcio Nobis is one of Ecuador's largest private organizations, with business interests across the agricultural, real estate, industrial, commercial, construction and tourism sectors. The group was founded by Executive President Isabel Noboa Ponton in 1997 and has since developed into one of the country's most successful and respected private enterprises.

About Canstar Resources

Canstar is focused on the discovery and development of economic mineral deposits in Newfoundland and Labrador, Canada. Canstar has an option to acquire a 100% interest in the Golden Baie Project, a large claim package (62,175 hectares) with recently discovered, multiple outcropping gold occurrences on a major structural trend in south Newfoundland. Canstar also holds the Buchans-Mary March project and other mineral exploration properties in Newfoundland. Canstar Resources is based in Toronto, Canada, and is listed on the TSX Venture Exchange under the symbol ROX and trades on the OTCPK under the symbol CSRNF.

This press release contains 'forward -looking information' within the meaning of applicable Canadian securities laws. Any statements that express or involve discussions with respect to predictions, expectations, beliefs, plans, projections, objectives, assumptions or future events or performance (often, but not always, identified by words or phrases such as 'believes', 'anticipates', 'expects', 'is expected', 'scheduled', 'estimates', 'pending', 'intends', 'plans', 'forecasts', 'targets', or 'hopes', or variations of such words and phrases or statements that certain actions, events or results 'may', 'could', 'would', 'will', 'should' 'might', 'will be taken', or 'occur' and similar expressions) are not statements of historical fact and may be forward-looking statements.

Forward-looking information herein includes, but is not limited to, statements that address activities, events, or developments that Adventus expect or anticipate will or may occur in the future. Although Adventus have attempted to identify important factors that could cause actual actions, events, or results to differ materially from those described in forward-looking information, there may be other factors that cause actions, events or results not to be as anticipated, estimated or intended. There can be no assurance that such information will prove to be accurate, and 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. Adventus undertake to update any forward-looking information except in accordance with applicable securities laws.

Contact:

Christian Kargl-Simard

Tel: +1-416-230-3440

Email: christian@adventusmining.com

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