Investor Presentation following placing

Orosur Mining Inc

("Orosur" or "the Company")

Investor Presentation following placing

London, 1 December 2020. Orosur Mining Inc (TSX/AIM: OMI), a precious metals developer and explorer focused on identifying and advancing gold projects in South America, is pleased to announce that Brad George, Chief Executive Officer, will be presenting at the Turner Pope Investments / Vox Markets resources webinar evening taking place on Thursday 3rd December 2020, commencing at 5pm GMT.

The format of the evening will be a brief presentation on the status and plans of the company, with a focus on its Anza project in Colombia, followed by a limited opportunity for moderated questions.

Please register your interest at https://voxmarkets.brand.live/c/tpi-investor-webinar

A copy of this presentation will be available for download following the webinar on the Company's website at: www.orosur.ca

For further information, 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 / Caroline Rowe

Tel: +44 (0) 20 3 470 0470

Turner Pope Investments (TPI) Ltd - Joint Broker

Andy Thacker

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

About Orosur Mining Inc.

Orosur Mining Inc. (TSX: OMI; AIM: OMI) is a precious metals developer and explorer focused on identifying and advancing gold projects in South America. The Company operates in Colombia and Uruguay.