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SGRO.CN ·

Sierra files 43-101 technical reports

Technical Reports (NI 43-101)

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For Immediate Release

DISCLOSURE UPDATE

Surrey, British Columbia. December 17, 2021. Sierra Grande Minerals Inc. (the “Company” or “Sierra”)

(CSE: SGRO) (OTC: SIERF) (FF: F91Q) announces that it has filed on SEDAR, two NI 43 -101 compliant

reports on its Silveria Property in central Peru , authored by David Seers, and its B &C Springs Property in

Nevada, authored jointly by David Seers and Charles Greig.

For more information, please see www.sedar.com.

ON BEHALF OF THE BOARD

Sonny Janda, Director

For further information on the Company, please contact Sonny Janda, Director, Tel: (604) 357 -3741 or at

[email protected]

Neither the Canadian Securities Exchange nor its Regulation Services Provider (as that term is defined in the policies of the Canadian Securities

Exchange) accepts responsibility for the adequacy or accuracy of this release.

This news release includes certain statements that constitute “forward-looking information” within the meaning of applicable securities law, including

without limitation, statements that address the timing and content of certain agreements and development. Forward -looking statements address future

events and conditions and are necessarily based upon a number of estimates and assumptions. While such estimates 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, including the ability of the Company to raise the funds necessary to fund its projects and, accordingly, may not occur as described herein or

at all. Actual results may differ materially from those currently anticipated in such statements. Factors that could ca use actual results to differ

materially from those in forward looking statements include Covid -19 restrictions, market prices, exploitation and exploration successes, the timing

and receipt of government and regulatory approvals, and continued availability of capital and financing and general economic, market or business

conditions. Readers are referred to the Company’s filings with the Canadian securities regulators for information on these a nd other risk factors,

available at www.sedar.com. Investors ar e cautioned that forward -looking statements are not guarantees of future performance or events and,

accordingly are cautioned not to put undue reliance on forward- looking statements due to the inherent uncertainty of such statements. The forward -

looking statements included in this news release are made as of the date hereof and the Company disclaims any intention or obligation to update or

revise any forward-looking statements, whether as a result of new information, future events or otherwise, except as expressly required by applicable

securities legislation.”