Orosur Mining Inc — Director's Dealing 2022

Mar 24, 2022

Orosur Mining Inc. ("Orosur" or the "Company")

Directors Purchase of shares

London, 24th March 2022. Orosur Mining Inc (TSX-V/AIM:OMI) announces that yesterday, Brad George, CEO of the Company, and Louis Castro, Executive Chairman, each acquired 50,000 common shares of no par value each in the Company ("Common Shares").

Following these transactions, Brad George is interested in 162,000 Common Shares, representing 0.09 per cent. of the Company's issued share capital and Louis Castro is interested in 145,000 Common Shares representing 0.08 per cent. of the Company's issued share capital.

For further information, please contact:

Orosur Mining Inc Louis Castro, Executive Chairman Brad George, CEO info@orosur.ca Tel: +1 (778) 373-0100

SP Angel Corporate Finance LLP - Nomad & Joint Broker

Jeff Keating / Caroline Rowe Tel: +44 (0) 20 3 470 0470

Turner Pope Investments (TPI) Ltd - Joint Broker

Andy Thacker/James Pope Tel: +44 (0)20 3657 0050

Flagstaff Communications and Investor Communications

Tim Thompson Mark Edwards Fergus Mellon orosur@flagstaffcomms.com Tel: +44 (0)207 129 1474

The information contained within this announcement is deemed by the Company to constitute inside information as stipulated under the Market Abuse Regulations (EU) No. 596/2014 ('MAR') which has been incorporated into UK law by the European Union (Withdrawal) Act 2018. Upon the publication of this announcement via Regulatory Information Service ('RIS'), this inside is now considered to be in the public domain.

About Orosur Mining Inc.

Orosur Mining Inc. (TSX-V: OMI; AIM: OMI) is a minerals explorer and developer focused on identifying and advancing projects in South America. The Company currently operates in Colombia, Brazil and Argentina.

Notification and public disclosure of transactions by persons discharging managerial responsibilities and persons closely associated with them.

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1. Details of PDMR / person closely associated with them ( ' PCA ' )a) Name 1. Brad George2. Louis Castro2. Details of PDMR / person closely associated with them ( ' PCA ' )a) Position / status 1. CEO2. Executive Chairmanb) Initial notification / Initial notificationamendment3. Details of the issuer, emission allowance market participant, auction platform, auctioneer orauction monitora) Name Orosur Mining Inc.b) LEI 213800CRYQM3M8G1OI194. Details of the transaction(s): section to be repeated for (i) each type of instrument;(ii) each type of transaction; (iii) each date; and (iv) each place where transactions have beenconductedc) Description of the Common shares of no par value eachfinancial instrumentISIN: CA6871961059d) Nature of the 1 and 2: Purchase of sharetransactione) Price(s) andvolume(s)Price(s) Volume(s)1. 9.9935p 50,0002. 9.920p 50,000----- End of picture text -----

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----- Start of picture text ----- f) Aggregated See above.information Aggregated volume Priceg) Date of the 1 and 2: 23rd March 2022transactionh) Place of the 1 and 2. AIMtransaction----- End of picture text -----