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Orosur Mining Inc. - Notice of Annual and Special Meeting Notification of Investor Q&A Session

Shareholder Meetings

Orosur Mining Inc. - Notice of Annual and Special Meeting

Notification of Investor Q&A Session

London, November 21 st, 2025 Orosur Mining Inc. ("Orosur" or "the Company") (TSX -V & AIM: OMI)

the minerals explorer and developer currently operating in Colombia and Argentina announces

that copies of the Company's Notice of Annual and Special Meeting ("AGM"), including the

Management Information Circular and proxy forms have been posted to shareholders. Copies are also

available on the website at: https://www.orosur.ca

A link to the PDF version of the Notice of AGM is also available here: http://www.rns-

pdf.londonstockexchange.com/rns/4570I_1-2025-11-20.pdf

The AGM will be held on 17 th December 2025 at 12.30pm GMT (UK local time) at the offices of SP

Angel Corporate Finance LLP, Prince Frederick House, 35 -39 Maddox Street, London, W1S 2PP,

England. Shareholders are strongly encouraged by the Board to vote by proxy by completing their

form of proxy in accordance with the instructions on the proxy form.

Notification of Investor Q&A Session

Orosur is also pleased to announce that the day following the AGM, 18th December 2025, Louis Castro,

Executive Chairman, and Brad George, the Company's CEO, will be holding a live Investor Q&A session

via the Investor Meet Company platform at 5.30pm GMT.

The presentation is open to all existing and potential shareholders. Questions can be submitted pre-

event via your Investor Meet Company dashboard up until 1pm GMT the day before Investor Q&A

session (17th December) or at any time during the live presentation.

Investors can sign up to Investor Meet Company for free and add to meet the Company via:

https://www.investormeetcompany.com/orosur-mining-inc/register-investor

Investors who already follow Orosur on the Investor Meet Company platform will automatically be

invited.

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 & Joint Broker

Jeff Keating / Jen Clarke / Devik Mehta

Tel: +44 (0) 20 3470 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

[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.