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12 FEBRUARY, 2026 | VANCOUVER, BC – TheNewswire - Tribeca Resources Corporation (TSXV: TRBC) (OTCQB: TRRCF) (“ Tribeca Resources ”, the “ Company ”) is pleased to report that fieldwork is progressing at the Jiguata porphyry copper exploration project (the “Jiguata Property”). This is running in parallel with preparations to commence drilling on the Chirsposo Sur target (the “Chirsposo Sur Target”) at the La Higuera project (the “La Higuera IOCG Project”).

Highlights:

• Pre-drilling exploration activities are partially completed at the Jiguata Property, with data and results now pending  

• Preparations are being undertaken for Phase 3 drilling at the cornerstone La Higuera IOCG Project, following the signing of an access agreement over the Chirsposo Sur Target area  

• Torrey Hills Capital has been engaged to provide market awareness and investor relations services  

• Stock options granted to Global Ore Discovery Pty Ltd (“GlobalOre”), which is advising on exploration work at the Jiguata Property, or to an entity controlled by the principals of GlobalOre  

Tribeca Resources CEO, Dr. Paul Gow commented:

“We are very pleased with the rapid start to the extensive field program at the exciting Jiguata Property. Information coming in from the geological mapping and preliminary satellite data interpretation confirms the presence of multiple large alteration systems, importantly with a variety of alteration assemblages commonly associated with high sulphidation epithermal environments.”

“In tandem we are moving ahead rapidly with preparations for drill testing of the Chirsposo Sur Target at the La Higuera IOCG Project . We intend to commence drilling in March, and are eager to see what the drill core yields in this compelling target that displays coincident anomalies in multiple geophysical datasets and sitting just below shallow gravel cover.”

Jiguata Porphyry Copper-Molybdenum Property

The Jiguata Property is a 10,000 hectare property located in the Tarapacá region in northern Chile. It is situated in the northern extension of the prolific Palaeocene and Eocene-Oligocene porphyry copper belts where it is overprinted by the younger Miocene Belt of magmatism that hosts recent large scale high sulphidation epithermal gold and porphyry copper-gold discoveries further to the south, including Vendaval Cu-Au Porphyry (First Quantum) and Salares Norte Au-Ag High Sulphidation Epithermal (Goldfields) (Figure 1).

Geological Mapping

Tribeca’s first field program since signing the Jiguata Property option agreement (on 28 October, 2025), commenced in December 2025 and significant progress continues to be made. Geological mapping to date has been focused on the four large alteration systems identified from satellite imagery and historic mapping (Figure 2).  Mineral assemblages commonly associated with high sulphidation epithermal alteration are present, including broad zones of quartz-alunite alteration and localized vuggy silica zones. Lesser propylitic and phyllic alteration, which can be associated with deeper or more distal portions of porphyry-high sulphidation systems, has also been mapped within the most northwestern alteration system.

Preliminary mapping also indicates the presence of potential porphyry-related quartz-dominated veins, typically termed ‘B’ or ‘D’-type veins in the central project area. Multiple hydrothermal breccias, commonly with the matrix replaced by quartz-alunite have been mapped, as has at least one dacitic dome complex. Mapping is ongoing, with a focus on providing more detail within the zones considered as prospective based on the initial mapping.

In general, the mapping appears to indicate that faults of northeast and northwest orientations are predominant. This accords with historic mapping and with the apparent regional control on the alteration zones delineated in the Worldview3 data (Figure 3).

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Figure 1. Location of the Jiguata Property within the Miocene Belt of northern Chile. *Deposit sizes and structural interpretation from Farrar, D. G., Tosdal, R. M., and Dilles, J. H., 2026, Lithospheric architecture of the Central Andes: Economic Geology, v. 118, no. 6, p. 1253–1280.

Sampling

Rock and soil sampling has been ongoing, with approximately 370 soil (Figure 2) and 50 rock samples collected to date. The soil sampling to date has been focused within the exposed central alteration zone on 200m x 200m or 200m x 100m staggered grids. Laboratory results are awaited, but analysis undertaken on the samples via pXRF provides a preliminary outline of elemental distribution, with data still being processed. The pXRF results are preliminary in nature and are used for screening purposes; laboratory results are pending and will be reported once received.

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Figure 2. Location of the areas covered by completed and proposed soil sampling. Also shown are the locations of two prominent chargeability anomalies evident in the historic IP data (see above) and the location of the two shallow historic RC drill holes (depths of 254m and 301m).

Worldview3 satellite data acquisition and processing

Approximately 100 square kms of Worldview 3 high resolution multispectral satellite imagery was tasked and acquired in December 2025 with cloud free data received in early January 2026. The resulting high-resolution imagery is being utilised by the mapping team for fact and interpretation maps. False colour images produced have highlighted four alteration centres aligning along regional NW and crosscutting NE structures. Initial interpretation indicates that these centres are displaying advanced argillic to intermediate argillic alteration colouring with coincident areas of strong iron oxides (gossanous), and potentially jarosite, which are consistent with the upper parts of a high sulphidation epithermal and the tops of porphyry deposits elsewhere in the Andes. These satellite‑derived alteration interpretations are preliminary in nature and require further field confirmation.

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Figure 3. Approximate locations of the four alteration zones identified from satellite imagery and/or historic mapping, which have been the focus of mapping to date.

Ground Magnetic Surveying

The field collection component of a ground magnetic survey by Argali Geofísica Chile E.I.R.L was completed on 19 January 2026. Most of the project area was covered with 200m-spaced east-west lines. In general, the young flat lying volcanics are moderately magnetic, which produces significant near surface noise. Where the overlying unit has been eroded or is not present the magnetic intensity is significantly lower. Final products, including a 3D inversion, are awaited. The results will be integrated with the geological mapping and other data to aid interpretation.

La Higuera IOCG Project

The Chirsposo Sur Target is one of five discrete targets on the La Higuera IOCG Project. It comprises an interpreted strong hydrothermal magnetite alteration system under thin gravel cover in the southern project area. Inversion of the ground magnetic data indicates the system comprises a steeply-dipping north-south oriented magnetite alteration system of 1.2 km strike length. The interpreted body is also coincident with an intense (>30 mV/V) north-south IP chargeability trend that stretches over 2.4km, along with a broadly coincident 0.5-1.0 mGal residual gravity anomaly.

Two historic vertical diamond holes at the Chirsposo Sur Target, drilled approximately 200m to the west of the body intersected IOCG-style alteration with weak copper mineralisation (8m @ 0.23% Cu from 38m in hole CB-02), as reported in the NI 43-101 technical report filed by Tribeca Resources on October 24, 2022 (the “La Higuera Technical Report”), and demonstrate strong magnetite alteration with a coarse-grained pyrite-dominated sulphide assemblage. For additional information, including comments on the relevance and reliability of the foregoing estimates and the key assumptions, parameters and methods used to prepare such estimates, please refer to the La Higuera Technical Report.

The planned drill program comprises three diamond holes for approximately 1,050m, with two holes to test discrete magnetic highs within the target, and one hole to test a rare resistivity low anomaly in the IP data.

Figure 4. Location of the Chirsposo Sur Target in the La Higuera IOCG Project.

Engagement of Torrey Hills Capital

Further, Tribeca announces that it has engaged San Diego Torrey Hills Capital, Inc. ("Torrey Hills"), a Rancho Santa Fe, California based investor relations firm, to provide market awareness and investor relations services to the Company, subject to acceptance by the TSX Venture Exchange ("TSXV"). Cliff Mastricola is the principal of Torrey Hills and will be responsible for all activities related to the Company.

Torrey Hills is a leading investor and financial public relations firm specializing in small and microcap companies. Torrey Hills will increase awareness about Tribeca Resources through its established relationships with investment professionals, investment advisors, and money managers focused on the microcap market space. This will allow the Company to build and maintain an informed investor audience in both the U.S. and Canadian marketplaces.

Torrey Hills has been engaged at a rate of US$4,500 per month for an initial term of four months. After the initial term, the agreement will be automatically extended, subject to a 30-day termination notice by either party. The Company has also agreed to a one-time grant of 175,000 incentive stock options (the "Options") exercisable at a price of C$0.22 per share for a period of three years, of which 25% will vest at the three-month anniversary of the engagement, with an additional 25% vesting each three months thereafter. The Options will be subject to the terms of the Company's stock option plan and will vest in accordance with the provisions therein and the policies of the TSXV.

Torrey Hills currently has no direct or indirect interest in the securities of the Company, or any right or intent to acquire such an interest except pursuant to the exercise of the above referenced Options.

The appointment of Torrey Hills as an investor relations consultant of the Company remains subject to regulatory acceptance of applicable filings with the TSXV.

Issue of stock options to Global Ore Discovery

Stock options have been granted to Global Ore as incentive stock options for their role as consultants to the Company. A total of 270,000 stock options have been granted, exercisable for a period of three years at a price per share that is the higher of the closing market price of the Company’s common shares on February 11, 2026 and the closing price on the date of this news release. GlobalOre may elect to have the stock options issued to an entity controlled by its principals. The stock options will be subject to the terms of the Company's stock option plan and will vest in accordance with the provisions therein and the policies of the TSXV. For further information regarding Global Ore’s appointment as consultants to Tribeca Resources, please refer to the Company’s news release dated December 15, 2025.

Qualified Person

All scientific and technical information in this press release has been prepared by, or approved by, Dr. Paul Gow, who is the CEO of Tribeca Resources. He is a Member of the Australian Institute of Geoscientists (MAIG), a Member of the Australasian Institute of Mining and Metallurgy (MAusIMM) and a qualified person for the purposes of National Instrument 43-101 – Standards of Disclosure for Mineral Projects (“NI 43-101”). Dr. Gow has not verified any of the information regarding any of the properties or projects referred to herein other than the La Higuera IOCG Project , the Jiguata Property and the Chiricuto property. Mineralization on any other properties referred to herein is not necessarily indicative of mineralization on the La Higuera IOCG Project , the Jiguata Property and the Chiricuto property.

About Tribeca Resources

Tribeca Resources is a portfolio-driven copper explorer focused on northern Chile. Led by a team with a track-record of discovery and significant equity ownership, Tribeca Resources’ objective is to discover the mineral resources for the next generation of copper mines in Chile.

Tribeca Resources’ flagship La Higuera IOCG Project has seen approximately 10,000m of drilling with mineralization defined over a 1.4 kilometer strike length. Most of the La Higuera IOCG Project is held as 100%-owned properties, but with the properties overlying the Gaby target held under a purchase option agreement. The Chiricuto and Jiguata projects are earlier stage porphyry copper-gold-molybdenum targets, held under purchase option agreements.

On behalf of Tribeca Resources Corporation

Cautionary Note

Neither the TSXV nor its Regulation Service Provider (as that term is defined in the policies of the TSXV) accepts responsibility for the adequacy or accuracy of this press release. This press release does not constitute or form a part of any offer or solicitation to purchase or subscribe for securities in the United States. The securities referred to herein have not been and will not be registered under the Securities Act of 1933, as amended (the “Securities Act”), or with any securities regulatory authority of any state or other jurisdiction in the United States, and may not be offered or sold, directly or indirectly, within the United States or to, or for the account or benefit of, U.S. persons, as such term is defined in Regulation S under the Securities Act (“Regulation S”), except pursuant to an exemption from or in a transaction not subject to the registration requirements of the Securities Act.

Forward Looking Information

This press release contains forward-looking statements and information that are based on the beliefs of management and reflect the Company's current expectations. When used in this press release, the words "estimate", "project", "belief", "anticipate", "intend", "expect", "plan", "predict", "may" or "should" and the negative of these words or such variations thereon or comparable terminology are intended to identify forward-looking statements and information. The forward-looking statements and information in this press release include statements regarding the relationship between alteration identified in geological mapping and potential mineralization, the interpretations of preliminary exploration data, the relationship between geophysical and geochemical survey results and potential mineralization, the size and timing of the proposed 2026 drill programs, the integration of new and historic data to define drill targets, the anticipated completion of field activities and commencement of drilling (including the potential for weather-related delays), the ongoing engagement of GlobalOre and its impact on exploration outcomes, the use of proceeds from recently completed financings, the ability to secure and maintain necessary permits and approvals and the operations and future plans of the Company, including potential additional drilling and property acquisitions .

Such statements and information reflect the current view of the Company. By their nature, forward-looking statements involve known and unknown risks, uncertainties and other factors, which may cause our actual results, performance or achievements, or other future events, to be materially different from any future results, performance or achievements expressed or implied by such forward-looking statements. Such factors include, among others, the ability of the

Company to pay the purchase price and make any other payments required under the Jiguata Option Agreement, as well as to complete its option to acquire the Gaby target, risks associated with mineral exploration, including the risk that actual results of exploration will be different from those expected by management, risks related to the uncertainty of preliminary exploration data, risks of delays or interruptions to exploration activities due to weather, logistical or access issues, risks related to obtaining and maintaining necessary permits and approvals, risks related to the availability and retention of key personnel, the ability to raise additional capital, fluctuations in commodity prices and market conditions, the reliability of historic or third-party data, unanticipated costs or environmental liabilities and the risk that new laws or regulations could adversely affect the business and results of operations of the Company and anticipated work on the Company’s projects.

There are several important factors that could cause the Company’s actual results to differ materially from those indicated or implied by forward-looking statements and information. Such factors include, among others: reliance on key management; changes in the credit or security markets; results of operation activities; unanticipated costs and expenses; fluctuations in commodity prices; and general market and industry conditions. The Company cautions that the foregoing list of material factors is not exhaustive. When relying on the Company's forward-looking statements and information to make decisions, investors and others should carefully consider the foregoing factors and other uncertainties and potential events.

The Company has assumed that the material factors referred to in the previous paragraph will not cause such forward-looking statements and information to differ materially from actual results or events. The forward-looking information contained in this press release represents the expectations of the Company as of the date of this press release and, accordingly, is subject to change after such date. Readers should not place undue importance on forward looking information and should not rely upon this information as of any other date. While the Company may elect to, it does not undertake to update this information at any particular time except as required in accordance with applicable laws.

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