Orosur Mining Inc - Consultants Exercise Options

LONDON, UK / ACCESS Newswire / December 15, 2025 / Orosur Mining Inc. ("Orosur" or the "Company") (TSX:OMI)(AIM:OMI), announces that it has issued 666,664 common shares of no par value ("Common Shares"), representing 0.17% of the Company's current issued share capital, following the exercise of options by consultants of the Company as follows:

Exercise Price

Options

C$ 0.06

666,664

No current members of the board have exercised any options but the Company's external Chief Financial Officer; Omar Gonzalez has exercised 166,666 options. Following this transaction, Omar Gonzalez holds 166,666 Common Shares, representing 0.04% per cent of the Company's issued share capital.

Application has been made for the 666,664Common Shares, which rank pari passu with the existing Common Shares in issue, to be admitted to trading on AIM ("Admission"). It is expected that Admission will become effective and dealings will occur at 8:00am UK time on or around December 15, 2025.

Following Admission and for the purposes of the Disclosure Guidance and Transparency Rules, the Company will have 392,689,176 Common Shares in issue. Shareholders may use this figure as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change to their interest in, the issued share capital of the Company.

Following Admission, the Company will have 2,755,004 options outstanding.

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

Orosur Mining Inc
Louis Castro, Chairman,
Brad George, CEO
[e-mail]
Tel: [phone]

SP Angel Corporate Finance LLP - Nomad & Joint Broker
Jeff Keating / Jen Clarke / Devik Mehta
Tel: [phone]

Turner Pope Investments (TPI) Ltd - Joint Broker

Andy Thacker/James Pope
Tel: [phone]

Flagstaff Communications and Investor Communications

Tim Thompson
Mark Edwards
Fergus Mellon

[e-mail]

Tel: [phone]

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.