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Clarification: Historical Mineral Resource Estimate at Roger Project

Resource Estimates

Clarification: Historical Mineral Resource

Estimate at Roger Project

Montreal, Quebec--(Newsfile Corp. - August 6, 2025) -

KINTAVAR EXPLORATION INC.

(TSXV:

KTR)

(

the "

Corporation

" or "

Kintavar

"

)

, provides a clarification in relation to its news release of August

5, 2025 titled, "

Kintavar fait le point sur l'acquisition du projet Roger or-cuivre, la reprise des échanges

et l'assemblée des actionnaires

" (the "

Press Release

").

The Corporation wishes to clarify that the estimates provided in the section "

Information about the

Roger Project

" from the Press Release, did not contain a current mineral resource estimate and such

information is provided as a "historical estimate" within the meaning of National Instrument 43-101

Standards of Disclosure for Mineral Projects ("

NI 43-101

"). As a result, the Corporation wishes to clarify

and reissue the disclosure provided in the Press Release regarding the Roger Project as per the below,

and provide additional information and cautionary language as required by NI 43-101.

Information about the Roger Project

The Roger Project contains the following historical estimates per a NI 43-101 technical report, titled: "NI

43-101 Technical Evaluation Report on the Roger (1206) Property" dated October 9, 2018 by Alain-

Jean Beauregard, P. Geo., OGQ, FGAC and Daniel Gaudreault, Eng., OIQ, Geologica Groupe-Conseil

Inc. (the "

2018 Technical Report

"). The 2018 Technical Report disclosed a cut-off grade of 0.45 g/t

gold-equivalent and that the project had a historical resources estimate of 10,900,000 metric tonnes at a

grade of 0.85 g/t of gold, 0.80 g/t of silver and 0.06% of copper for a total of 333,000 ounces of gold-

equivalent, with a historical resource estimate at 6,569,000 metric tonnes at a grade of 0.75 g/t of gold,

1.18 g/t of silver and 0.11% of copper for a total of 202,000 ounces of gold equivalent.

The following

metal prices were used in the calculation of gold-equivalent: 1,240 US$ for Au (ounce), 16.528 US$ for

Ag (ounce) and 6.549 US$ Cu (Kg) (see XXIX Metal Corp.

news release dated April 5, 2021

).

The

Roger project mineral resources estimate per the 2018 Technical Report are historical in nature and

readers are referred to the statement below regarding historical resources.

The following information was summarized from a technical report dated June 20, 2025 entitled "43-101

Technical Report on the Roger Property" (the "

Technical Report

"). The Technical Report was prepared

for the Corporation by Alain-Jean Beauregard, P. Geo, whom is a qualified persons as per the NI 43-

101 and is independent of the Corporation applying the tests set out in NI 43-101. A copy of the

Technical Report is filed under the Corporation's SEDAR+ profile at

www.sedarplus.ca

.

The Roger Project is located approximately five (5) kilometers northwest of Chibougamau. The Roger

Project is part of McKenzie Township in National Topographic System (NTS) map sheet 32G16. The

center of the Roger Project is located at NAD 83 UTM Zone 18N coordinates 542 200 m E and 5 534

100 m N. The Roger Project consists of 28 map designated mineral claims ("

CDC

") covering a total

area of 986.54 hectares. All claims are in good standing and are 50% registered to each of XXIX Metals

and SOQUEM. The status of the claims was validated using "GESTIM", the official Quebec government

system for mining titles management, easily available on the Quebec Natural Resources and Forest

Ministry Website and no surface rights are associated to the land holdings.

A historical mineral resource for the Roger deposit was delivered in 2018 by GeopointCom, Val-d'Or

(Québec). Using a cut-off grade of 0.45 g/t Aueq, an Indicated Resource was estimated to be

10,900,000* metric tonnes at a grade of 0.85 g/t of gold, 0.80 g/t of silver and 0.06% of copper for a total

of 333,000 ounces of gold equivalent, while the Inferred Resource can be estimated at 6,569,000 metric

tonnes at a grade of 0.75 g/t of gold, 1.18 g/t of silver and 0.11% of copper for a total of 202,000 ounces

of gold equivalent.

The Corporation believes verification of the historical estimates is required to upgrade the historical

estimates to current mineral resources. The Corporation expects such verification will require, among

other things: (i) additional drilling and core density sampling; (ii) further detailed modelling on ore

controls and deposit structural setting; and (iii) continued metallurgical studies. The Corporation believes

that the historical estimate is relevant in assisting the Corporation in evaluating its proposed work

program but is unable to comment on the reliability of historical resources as insufficient work has been

done to make this determination.

A qualified person has not done sufficient work to classify the

historical estimates referenced herein as current mineral resources or mineral reserves and

the Corporation is not treating the historical estimate as current mineral resources or mineral

reserves.

The foregoing technical information in this news release was prepared under the supervision of Pierre-

Luc Lalonde. Pierre-Luc Lalonde, P. Geo is a Qualified Person for the purposes of NI 43-101 and has

reviewed and approved the technical information disclosed in this news release.

About Kintavar Exploration & the Mitchi - Wabash Properties

Kintavar Exploration is a Canadian mineral exploration Corporation engaged in the acquisition,

assessment, exploration and development of gold and base metal mineral properties. Its flagship project

is the Mitchi - Wabash copper-silver district (approx. 39 000 hectares, 100% owned) located 100 km

north of the town of Mont-Laurier and 15 km East of the town of Parent in Quebec. Both properties cover

an area of more than 300 km

2

accessible by a network of logging and gravel roads with access to hydro-

electric power already on site, major regional roads including railroad and a spur. The properties are

located in the north-western portion of the central metasedimentary belt of the Grenville geological

province. The projects primarily focus on sediment-hosted stratiform copper type mineralization (SSC)

but include Iron Oxide Copper Gold (IOCG) and skarn type targets. Osisko holds a 2% NSR on 27

claims of the southern portion of the Mitchi property, outside of the sedimentary basin. Kintavar also has

exposure in the gold greenstones of Quebec by advancing the Anik Gold Project in a partnership with

IAMGOLD.

For further information contact:

Kiril Mugerman, President and CEO

Phone: +1 450 641 5119 #5653

Email:

[email protected]

Web:

www.kintavar.com

NOT FOR DISTRIBUTION TO U.S. NEWSWIRE SERVICES OR FOR DISSEMINATION IN THE

UNITED STATES

THE SECURITIES OF THE COMPANY REFERRED TO IN THIS NEWS RELEASE HAVE NOT

BEEN AND WILL NOT BE REGISTERED UNDER THE UNITED STATES SECURITIES ACT OF

1933, AS AMENDED (THE "

U.S. SECURITIES ACT

"), OR ANY STATE SECURITIES LAWS.

ACCORDINGLY, THE SECURITIES OF THE COMPANY MAY NOT BE OFFERED OR SOLD

WITHIN THE UNITED STATES UNLESS REGISTERED UNDER THE U.S. SECURITIES ACT

AND APPLICABLE STATE SECURITIES LAWS OR PURSUANT TO AN EXEMPTION FROM THE

REGISTRATION REQUIREMENTS OF THE U.S. SECURITIES ACT AND APPLICABLE STATE

SECURITIES LAWS. THIS NEWS RELEASE DOES NOT CONSTITUTE AN OFFER TO SELL OR

A SOLICITATION OF ANY OFFER TO BUY ANY SECURITIES OF THE COMPANY IN ANY

JURISDICTION IN WHICH SUCH OFFER, SOLICITATION OR SALE WOULD BE UNLAWFUL.

Forward-looking Statements:

This news release contains statements that may constitute "forward-looking information" or "forward-

looking statements" within the meaning of applicable Canadian securities legislation. Forward-looking

information and statements may include, among others, statements regarding future plans, costs,

objectives or performance of the Corporation, or the assumptions underlying any of the foregoing. In

this news release, words such as "may", "would", "could", "will", "likely", "believe", "expect",

"anticipate", "intend", "plan", "estimate" "target" and similar words and the negative form thereof are

used to identify forward-looking statements. Forward-looking statements should not be read as

guarantees of future performance or results, and will not necessarily be accurate indications of

whether, or the times at or by which, such future performance will be achieved. No assurance can be

given that any events anticipated by the forward-looking information will transpire or occur. Forward-

looking statements and information are based on information available at the time and/or

management's good-faith belief with respect to future events and are subject to known or unknown

risks, uncertainties, assumptions and other unpredictable factors, many of which are beyond the

Corporation's control. These risks, uncertainties and assumptions include, but are not limited to, those

described under "Risk Factors" in the Corporation's management's discussion and analysis for the

fiscal year ended December 31, 2024, which is available on SEDAR+ at

www.sedarplus.ca

; they could

cause actual events or results to differ materially from those projected in any forward-looking

statements. The Corporation does not intend, nor does the Corporation undertake any obligation, to

update or revise any forward-looking information or statements contained in this news release to

reflect subsequent information, events or circumstances or otherwise, except if required by applicable

laws.

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

the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy

of this release.

To view the source version of this press release, please visit

https://www.newsfilecorp.com/release/261495