Altan Rio Minerals : APPOINTS INVESTOR RELATIONS FIRM

ALTAN RIO APPOINTS INVESTOR RELATIONS FIRM

VANCOUVER, BC (December 22, 2020) - Altan Rio Minerals Limited (TSXV:AMO) ("Altan Rio" or the "Company") is pleased to announce that it has contracted with Assert Corporate & Investor Relations Pty Ltd T/A Chapter One Advisors ("Chapter One") for the provisions of investor relations services in Australia, including assisting in disseminating press releases and increasing investor awareness amongst the retail and institutional investment community in Australia and elsewhere.

Chapter One provides investor relations services for publicly-traded companies, including marketing and media services, and is headquartered in Perth, Australia. Chapter One, though its ownership of Metrix Publishing ("Metrix"), owns and operates a number of content specific assets, such as investor focused websites, including www.techinvest.online and www.the-pick.com.au, and investor focused magazines, including TechInvest and The Pick, which are distributed as independent inserts in the Australian Financial Review. The services to be provided by Chapter include organizing and administering "roadshows", drafting traditional marketing materials, managing the Company's social media and providing traditional media support, as well as the creation of video content for distribution through Metrix's social channels and use by the Company.

The agreement between the Company and Chapter One is for a period of twelve months at a rate of A$2,500 per month. In addition, Chapter One has been granted stock options to purchase 1,500,000 common shares of the Company at a price of C$0.19 per share (the "Stock Options"). The Stock Options are exercisable over a period of three years and vest over a period of 12 months from the date of grant in equal quarterly installments. Chapter One has no direct relationship with the Company other than as contemplated by this agreement.

The engagement of Chapter One and the grant of the Stock Options are subject to TSX Venture Exchange approval.

On behalf of Altan Rio Minerals Limited

For more information contact: Paul Stephen

Chief Executive Officer Email: [e-mail][phone]

Cautionary Statement on Forward-Looking Information

This release may contain forward-looking statements. Forward-looking statements involve known and unknown risks, uncertainties, and other factors which may cause the actual results, performance, or achievements of Altan Rio to be materially different from any future results, performance, or achievements expressed or implied by the forward-looking statements. These forward-looking statements are based on management's current expectations and beliefs but given the uncertainties, assumptions and risks, readers are cautioned not to place undue reliance on such forward-looking statements or information. Actual results may differ materially from those currently anticipated in such statements, and Altan Rio undertakes no obligation to update such statements, except as required by law.

Neither the 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.

Altan Rio Minerals Limited Iwww.altanrio.com

Unit 6, 2 Richardson Street, West Perth 6005, Western Australia