Omineca Mining and Metals : March 2023 Underground Update Deck

TSXV: OMM

Placer Gold Recovery Update

At Wingdam

March 2023

Forward Looking Statements

This presentation is for information purposes only and does not constitute an

offer to sell or a solicitation to buy any securities

This presentation includes certain "forward-looking statements" within the meaning of applicable securities legislation. These statements are based on management's current expectations and are naturally subject to certain uncertainty and changes in circumstances. Actual results may vary materially from the expectations contained herein due to changes in economic, business, competitive and/or regulatory factors. Omineca Mining and Metals Ltd. ("Omineca" or the "Company") is under no obligation to (and expressly disclaims any such obligation to) update or alter its forward-looking statements whether as a result of new information, future events or otherwise. The reader is cautioned not to place undue reliance on forward-looking statements.

A qualified person has not done sufficient work to classify the historical estimates contained herein as current mineral resources or mineral reserves, the Company is not treating the historical estimate as current mineral resources or mineral reserves and the historical estimate should not be relied upon.

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Synopsis

Wingdam Gold Exploration & Placer Recovery

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2012 Bulk Sample recovered 5.4 Kilos (173.5 ounces) From a single 2.4m wide, 23.4m long crosscut drift

Yellow contours - Paleochannel now more accurately delineated by seismic reflection data and drill holes

The First 300 Meters

of ~17km of Potential Paleochannel (for scale, 2.4m wide X 125 = 300m)

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OUR PAST

Lightning Creek

Using Innovation to Recover Rich Placer Gold Trapped Below Lightning Creek

40m50m OverburdenOverburden

Wet Clay, Gravel and Silt

Wet Silt and Gravel

Placer Gold Pay Zone

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