Freeport Resources

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 km2 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: This email address is being protected from spambots. You need JavaScript enabled to view it.
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.

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