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Monumental Minerals Corp. Completes Airborne Magnetic- Radiometric Survey at the Jemi Heavy Rare Earth Project

Exploration Programs

Suite 605 - 815 Hornby Street

Vancouver, BC, V6Z 2E6, Canada

MONUMENTAL MINERALS CORP. COMPLETES AIRBORNE MAGNETIC-

RADIOMETRIC SURVEY AT THE JEMI HEAVY RARE EARTH PROJECT

News Release - Vancouver, British Columbia – February 17 , 2022 : Monumental Minerals Corp.

(“Monumental” or the “ Company”) (TSX -V: MNRL) is pleased to report that it has completed the

previously announced airborne magnetic and radiometric geophysical survey over its Jemi heavy rare earth

element (HREE) Project located in Coahuila, Mexico, about 40 km south of the Texas, USA border.

Flights for the high-resolution helicopter-borne magnetic and radiometric survey commenced on February

1, 2022, following instrument setup, test flights, and QC calibration. A total of approximately 1,121 line-

km was completed over 13 survey days. The Company expects preliminary magnetic and radiometric

products to be available for review within the coming days, and delivery of final geophysical data and

inversion products in the coming weeks.

Image of geophysical survey underway at Jemi HREE Project

Magnetic and radiometric data represent a cost-effective method to define areas of high REE potential

within the Jemi Proje ct. REE targets c an be associated with anomalous magnetic highs or lows, and the

anomalies can also be excellent indicators of structure. S trong gamma-ray radiometric anomalies may be

associated with potassium (K) enrichment as a product of hydrothermal alteration surround ing peralkaline

intrusions. Anomalies of thorium (Th), and to a lesser degree uranium (U), are useful for direct detection

of REE deposits, detection of other features associated with mineralization, and parental granites.

Geophysical anomalies will be ground-truthed and prioritized for further exploration , which may include

detailed geologic mapping, geochemical surveys, and ultimately trenching and/or diamond drill testing.

Suite 605 - 815 Hornby Street

Vancouver, BC, V6Z 2E6, Canada

Maximilian Sali, founder, director and interim CEO comments “As this survey is now completed our

technical team will be doing a site visit at the Jemi Project to collect additional samples towards target

definition for an upcoming drill program , which we are fully permitted for. The spot prices of rare earth

elements currently present at Jemi have increased up to more than 4 fold over the past 18 months, and they

have outperformed every other element except for lithium. We are very excited about the potential value

Jemi can bring to shareholders in the coming months.”

Rare Earth Element Price as of Aug,

20201

Price as of Feb 16,

20221

Percentage Increase

Terbium Oxide USD $660/kg US$ 2,374/kg 360%

Dysprosium Oxide USD $260/kg US$ 493/kg 190%

Neodymium Oxide USD $47/kg US$194/kg 410%

Praseodymium Oxide USD $44/kg US$171/kg 390%

The Jemi Project hosts numerous rare earth element (REE) occurrences containing potentially economic

concentrations of the high value magnetic REEs including neodymium (Nd), praseodymium (Pr),

dysprosium (Dy) and terbium (Tb) with associated tantalum (Ta), niobium (Nb), and zirconium (Zr). Jemi

sits within the N orth American Alkaline Igneous Belt, an under explored north -south trend of alkaline

igneous rocks and carbonatites over 3000 km long that is host to numerous REE, gold and other critical

element deposits.

HREE Mineralization

The REE mineralization discovered to date at Jemi exhibits characteristics and mineralogy consistent with

peralkaline intrusion related deposits, which represent an important potentially economic style for the

highest value REEs. Dysprosium, and Tb are typically enriched in these deposits and are essential for the

performance of high strength and temperature permanent magnets for electric vehicles and wind turbines.

Peralkaline deposits are being explored and prepared for development in Australia, Europe, and North

America.

At present, ionic clay deposits in southern China and Myanmar are the primary source of the world’s

HREEs, however limited resource size, high environmental legacy of such deposits , and increasing export

restrictions are driving the discovery and development of other more sustainable sources. In addition, with

the recent merger of Chinese REE miners, one company will now control 70% of China’s HREE production

and global pricing power of key HREEs including Dy and Tb.

Qualified Person

The scientific and te chnical information contained in this news release has been reviewed and approved

by Kristopher J. Raffle, P.Geo. (BC) Principal and Consultant of APEX Geoscience Ltd. of Edmonton, AB,

a Director of the Company and a “Qualified Person” as defined in National Instrument 43-101 – Standards

of Disclosure for Mineral Projects.

About Monumental Minerals Corp.

Monumental Minerals Corp. is a mineral exploration company focused on the acquisition, exploration, and

development of mineral resource properties in the critical and electric metals sector. The Company’s

flagship asset is the Jemi HREE project located in Coahuila, Mexico near the Texas, USA border which the

1 Source: www.metal.com

Suite 605 - 815 Hornby Street

Vancouver, BC, V6Z 2E6, Canada

Company has an option to own 100% of the 3,650 -hectare project. The Company also has an option to

acquire a 100% interest and title to the Weyman property located in the Kamloops and Nicola Mining

Divisions and in the Thompson Nicola Regional District, British Columbia.

On behalf of the Board of Directors,

/s/ “Maximilian Sali”

Maximilian Sali, Interim Chief Executive Officer and Director

Contact Information:

Email: [email protected]

Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the

policies of the TSX Venture Exch ange) accepts responsibility for the adequacy or accuracy of this news

release.

Forward Looking Information

This news release contains “forward‐looking information or statements” within the meaning of applicable securities

laws, which may include, without limitation, the commencement and completion of the geophysical survey on the

Jemi Project and the expected timelines, results and outcomes, plans for the Jemi Project, other statements relating to

the technical, financial and business prospects of the Company, its projects and other matters . All statements in this

news release, other than statements of historical facts, that address events or developments that the Company expects

to occur, are forward-looking statements. Although the Company believes the expectations expressed in such forward-

looking statements are based on reasonable assum ptions, such statements are not guarantees of future performance

and actual results may differ materially from those in the forward-looking statements. Such statements are based on

numerous assumptions regarding present and future business strategies and t he environment in which the Company

will operate in the future, including the price of metals, the ability to achieve its goals, that general business and

economic conditions will not change in a material adverse manner and that financing will be available if and when

needed and on reasonable terms. Such forward -looking information reflects the Company’s views with respect to

future events and is subject to risks, uncertainties and assumptions, including the risks and uncertainties relating to the

interpretation of exploration results, risks related to the inherent uncertainty of exploration and cost estimates and the

potential for unexpected costs and expenses and those other risks filed under the Company’s profile on SEDAR at

www.sedar.com. While such esti mates and assumptions are considered reasonable by the management of the

Company, they are inherently subject to significant business, economic, competitive and regulatory uncertainties and

risks. Factors that could cause actual results to differ materially from those in forward looking statements include, but

are not limited to, continued availability of capital and financing and general economic, market or business conditions,

failure to secure personnel and equipment for work programs , adverse weather and climate conditions, risks relating

to unanticipated operational difficulties (including failure of equipment or processes to operate in accordance with

specifications or expectations, cost escalation, unavailability of materials and equipment, government action or delays

in the receipt of government approvals, industrial disturbances or other job action, and unanticipated events related to

health, safety and environmental matters), risks relating to inaccurate geological assumptions, failure to maintain all

necessary government permits, approvals and authorizations, fluctuation in exchange rates, the impact of Covid-19 or

other viruses and diseases on the Company’s ability to operate, an inability to predict and counteract the effects of

COVID-19 on the bu siness of the Company, including but not limited to, the effects of COVID -19 on the price of

commodities, capital market conditions, restriction on labour and international travel and supply chains , decrease in

the price of rare earth elements and other metals, loss of key employees, consultants, or directors, failure to maintain

community acceptance, increase in costs , litigation, and failure of counterparties to perform their contractual

obligations. The Company does not undertake to update forward‐looking statements or forward‐looking information,

except as required by law.