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DEX.V ·

Almadex Acquires Red Antler Silver-Gold Epithermal Vein Project by Staking, Surface Sampling returns 24 g/t Silver

Drill Results Mergers & Acquisitions Property Options & Staking Exploration Programs Sampling & Geoscience Results

NEWS RELEASE

August 5, 2025

Trading Symbols: TSX-V: DEX

www.almadexminerals.com

Almadex Acquires Red Antler Silver-Gold Epithermal Vein Project by Staking,

Surface Sampling returns 24 g/t Silver

VANCOUVER, B.C. Almadex Minerals Ltd. ("Almadex" or the "Company") (TSX-V: “DEX”) is pleased to

announce that it has acquired a 100% interest in the Red Antler early-stage exploration project by staking.

The project is located in western Utah and was identified as part of Almadex’s ongoing regional exploration

program in the western USA.

The Red Antler property covers an area of rhyolitic volcanics affected by quartz -alunite-kaolinite alteration

and crosscut by quartz veining. The project was identified during a site visit that was made based on criteria

used as part of Almadex’s generative exploration including the presence of advanced argillic alteration

developed in volcanic rocks. Only very preliminary work was performed prior to staking. This work identified

veining over a 2 by 1 km area. Vein textures are typical of very high levels in a low sulphidation epithermal

environment including fine textured colloform banded quartz. Several samples of vein material were

examined microscopically for fluid inclusion petrography. This work confirms a high level of preservation of

the epithermal s ystem. Some small-scale historic mine workings have also been identified which appear

very old but there is no evidence of any modern exploration work in the area. To date 34 grab rock samples

have been taken from outcrop and float of veining (grab samples are selected samples and may not

represent true underlying mineralisation). These preliminary results are very encouraging considering the

interpretation of a high level of preservation of the epithermal system as 12 of these samples returned over

1 g/t silver (up to 24 g/t silver and averaging 1.4 g/t silver for all 34). Anomalous gold values were also

returned along with highly anomalous epithermal suite elements. The company has recently conducted a

stage two mapping and sampling program to better understand the geometry and geochemistry of the veins

along with preliminary surface geophysics . Results will be reported when re ceived, compiled and

interpreted,

J Duane Poliquin, Chairman of Almadex commented, “ Our regional exploration program continues to

identify new targets for acquisition. This preliminary work at Red Antler has identified a new epithermal vein

system which we look forward to advancing in the coming months. We will continue to move our early-stage

projects forward this year along with our plans for drilling our more advanced properties . We fully expect

2025 to be an important year for our Company.”

Promotional Activity Disclosure

The Company announces that it has arranged for a service providers to conduct a one time Promotional

Activity on behalf of the Company. The Company has arranged for Jefferson Financial, Inc. to disseminate

a sponsored promotional report through its email list on August 5th , 2025. The principal of Jefferson

Financial, Inc. is Brien Lundin of 111 Veterans Memorial Blvd., Suite 1555, Metairie, LA 70005, email

address [email protected] and telephone number 1 -800-648-8411. Mr. Lundin is arm’s

length t o the Company. Jefferson Financial, Inc. will receive total compensation of a cash payment of

US$7,000.00 for the Promotional Activity. The compensation does not include options to purchase

securities of the Company.

Qualified Persons and Technical Details

Morgan J Poliquin, PhD, PEng, the President and CEO of Almadex and a Qualified Person as defined by

National Instrument 43-101 ("NI 43-101"), has reviewed and approved the scientific and technical contents

of this news release.

The analyses reported were carried out at ALS Chemex Laboratories of Reno and North Vancouver using

industry standard analytical techniques. For gold, samples are first analysed by fire assay and atomic

absorption spectroscopy (“AAS”). Samples that return values greater than 10 g/t gold using this technique

are then re analysed by fire assay but with a gravimetric finish. Silver is first analysed by Inductively Coupled

Plasma - Atomic Emission Spectroscopy (“ICP-AES”). Samples that return values greater than 100 g/t silver

by ICP-AES are then re analysed by HF-HNO3-HCLO4 digestion with HCL leach and ICP -AES finish. Of

these samples those that return silver values greater than 1,500 g/t are further analysed by fire assay with

a gravimetric finish.

About Almadex

Almadex Minerals Ltd. is an exploration company that holds a large mineral portfolio consisting of projects

and NSR royalties in Canada, the U.S., and Mexico. This portfolio is the direct result of many years of

prospecting and deal -making by Almadex's management team. The Company owns several portable

diamond drill rigs, enabling it to conduct cost effective first pass exploration drilling in house. The Almadex

team have significant porphyry lithocap exploration experience and have made three discoveries of mineral

deposits under advanced argillic alteration. Our success comes from our audacity, in house exploration

capacity and most importantly our ability to drill with our company owned drilling uni t. We have assembled

a portfolio of lithocap targets that have the potential to be concealing large porphyry systems at depth as

well as high sulphidation epithermal gold-silver systems in the best jurisdiction we know: the United States

of America. We have the cash and drills to advance and test these targets and will begin to do so in 2025.

On behalf of the Board of Directors,

“Morgan J. Poliquin, Ph.D., P.Eng.”

President and CEO

Almadex Minerals Ltd.

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. This news release includes forward-looking statements

that are subject to risks and uncertainties. All statements within it, other than statements of historical fact, are to be considered forward

looking. Forward-looking statements in this news release include, among other things, any further work to advance exploration targets

at the Red Antler project. Although the Company believes the expectations expressed in such forward-looking statements are based

on reasonable assumptions, such statements are not guarantees of future performance and actual results or developments may differ

materially from those in forward-looking statements. Factors that could cause actual results to differ materially from those in forward-

looking statements include market prices, exploitation and exploration successes, permitting, con tinued availability of capital and

financing, equipment availability and general economic, market or business conditions. The foregoing list of assumptions is not

exhaustive. There can be no assurances that forward-looking statements will prove accurate and, therefore, readers are advised to

rely on their own evaluation of such uncertainties. Th e Company does not assume any obligation to update any forward -looking

statements, other than as required pursuant to applicable securities laws.

Contact Information:

Almadex Minerals Ltd.

Tel. 604.689.7644

Email: [email protected]

http://www.almadexminerals.com/