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Granting of RSUs

Share Capital & Compensation

Orosur Mining Inc.

Granting of RSUs

London, May 2, 2025 Orosur Mining Inc. (“Orosur” or “the Company”) (TSXV: OMI) (AIM: OMI) announces the granting of an aggregate of 7,550,000 Restricted Stock Units (“RSUs”) to directors, officers, employees and consultants, upon recommendation of the Company’s Remuneration Committee, in recognition of the Company’s recent performance and as incentivisation for future performance.

Further to the award of the RSUs set out above, the total number of shares under Option, RSUs and DSUs is 18,538,332 which represents 5.9% of the non-diluted issued share capital of the Company.

Award of Options and RSUs

In line with the Company’s Equity Incentive Plan which was approved by shareholders at the Company’s AGM in December 2023, officers, employees and consultants of the Company have been granted a total of 3,400,000 RSUs and 4,150,000 RSUs were also granted to Directors. The RSUs entitle the holder to new common shares of the Company upon the vesting conditions for the RSU being satisfied. There is no price paid for the RSUs and they expire three years after the date of grant. The RSUs shall vest in two equal parts: half on the first anniversary of this grant and half on the second anniversary.

A summary of Director and Officer RSU grants and resultant interests is as follows:

Directors & OfficersRSUs awardedTotal RSUs% Shareholding
DSUs andcurrently held in
options heldthe Company
Louis Castro1,850,0004,500,0000.07%
Brad George1,400,0003,290,0000.10%
Thomas Masney450,000870,000-
Nick von Schirnding450,0001,020,000-
Omar Gonzalez100,000350,000-
Joaquín Sarroca950,0001,726,6660.04%
Total5,200,00011,756,6660.21%

Note 1: Percentage interest in total number of common shares currently issued

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

1Details of person discharging managerial responsibilities/person closely associated
a)Full Namei. Louis Castro ii. Bradley George iii. Thomas Masney iv. Nick von Schirnding v. Joaquin Sarroca vi. Omar Gonzalez
2Reason for notification
a)Position/Statusi) Chairman of the Board ii) CEO and Director iii) Non-Executive Director iv) Non-Executive Director v) Company Secretary and Corporate Counsel vi) CFO
b)Initial notification/amendmentInitial notification
3Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor
a)NameOrosur Mining Inc
b)LEI213800CRYQM3M8G1OI19
4Details 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 been conducted.
a)Description of the financial instrument, type of instrumentGranting of Restricted Stock Units (“RSUs”)
b)Identification codeISIN:CA6871961059
c)Nature of transactionGrant of RSUs
d)Prices and volumesi) 1,850,000 RSUs ii) 1,400,000 RSUs iii) 450,000 RSUs iv) 450,000 RSUs v) 950,000 RSUs vi) 100,000 RSUs
e)Aggregated informationGrant of a total of 5,200,000 RSUs at nil price
f)Date of transactionMay 1, 2025
g)Place of transactionOutside of trading venue

For further information, visit www.orosur.ca, follow on X @orosurm or please contact:

Orosur Mining Inc

Louis Castro, Chairman, Brad George, CEO [email protected] Tel: +1 (778) 373-0100

SP Angel Corporate Finance LLP – Nomad & Broker

Jeff Keating / Jen Clarke / Devik Mehta 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

Tim Thompson Mark Edwards Fergus Mellon [email protected] 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 information is now considered to be in the public domain.

Neither TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

About Orosur Mining Inc.

Orosur Mining Inc. (TSXV: OMI; AIM: OMI) is a minerals explorer and developer currently operating in Colombia, Argentina and Nigeria.