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MONTREAL, April 16, 2026 /PRNewswire/ — April 16, 2026 – Sydney, Australia
Koch Know-how Options, a part of Koch Inc., to judge superior processing pathways for PMET’s globally important caesium useful resource
Highlights
- Strategic caesium testwork program launched with Koch Know-how Options, a division of Koch Inc. – one of many largest privately held firms in the USA.
- The testwork program goals to transform Shaakichiuwaanaan caesium-rich pollucite concentrates into varied high-value caesium chemical merchandise.
- This system will consider Koch Know-how Options’ progressive restoration methods, utilizing proprietary strategies for caesium chemical compounds manufacturing.
- This strategic strategy supplies a possible pathway into important US industrial provide chains for protection, area, vitality and superior electronics.
- Based in 1940, Koch Inc. operates in sectors together with refining, chemical compounds, vitality and know-how, with over 120,000 workers globally.
- This system helps the potential growth of a brand new high-margin product stream from Shaakichiuwaanaan alongside lithium, constructing business momentum following PMET’s caesium discovery.
- Following the publication of its caesium Useful resource, PMET has continued to discover each business and provide chain pathways geared toward maximizing the invention’s worth.
PMET CEO, President, and Managing Director Ken Brinsden feedback: “Shaakichiuwaanaan hosts what we imagine to be probably the most important caesium discovery globally, marked each by unimaginable scale and excessive grades – and this program represents a significant step in direction of unlocking its full business potential. Working with Koch Know-how Options supplies entry to business experience, together with demonstrated capabilities in important minerals, and a portfolio of progressive processing applied sciences.
“Importantly, this initiative will enable us to discover pathways to supply high-value caesium chemical compounds, which might finally place PMET as a cornerstone provider to important industries together with defence, aerospace, vitality and superior applied sciences.
“Via this program, PMET furthers its publicity to the importance of important minerals in the important thing U.S. market, offering us with a possibility to seize considerably higher worth from this uncommon and strategically necessary discovery by working alongside a US business participant,” added Mr. Brinsden.
Garrett Krall, Crucial Minerals Enterprise Chief at Koch Know-how Options says: “This program brings collectively the distinct strengths of KTS and PMET to advance an progressive strategy in important minerals extraction. The mission displays the type of problem that KTS is uniquely positioned to resolve, by making use of our course of know-how and technical experience alongside PMET to advance an strategy to assist unlock the worth of an necessary important mineral provide base.”
PMET Assets Inc. (the “Firm” or “PMET”) (TSX: PMET) (ASX: PMT) (OTCQX: PMETF) (FSE: R9GA) is happy to announce the graduation of a strategic testwork program with Koch Know-how Options (“KTS”), a division of main US conglomerate Koch Inc., to judge superior processing pathways for caesium chemical compounds derived from pollucite concentrates at its 100%-owned Shaakichiuwaanaan Challenge, within the James Bay area of Quebec, Canada.
Along with being one of many largest lithium-tantalum pegmatite Mineral Assets1 and lithium pegmatite Mineral Reserves2 globally, the Shaakichiuwaanaan Property additionally hosts the world’s largest in-situ pollucite-hosted caesium pegmatite Mineral Useful resource, with 0.69 Mt at 4.40% Cs2O (Indicated) and 1.70 Mt at 2.40% Cs2O (Inferred). The CV13 Pegmatite, host to the caesium Mineral Useful resource, is situated ~3 km alongside development from the CV5 Pegmatite, which is located roughly 13 km south of the regional Trans-Taiga Street and powerline infrastructure hall, and is accessible year-round by highway (Determine 1).
Pollucite mineralization (the host mineral for caesium) happens in a number of zones inside the CV13 Pegmatite – Vega, Rigel, and Helios (Determine 2). Drilling to this point has demonstrated outstanding scale and grade, with mineralization remaining open in a number of areas (see information launch March 18, 2026). This distinctive endowment positions the Firm as a possible future chief within the provide of caesium – one of many rarest and most strategically necessary important minerals globally.
The testwork program with KTS has been developed as a part of a strategic relationship that has advanced following the Firm’s investigations of the caesium business, business engagement, and analysis. This system will leverage KTS’s demonstrated capabilities in engineering, growth and commercialization of important minerals extraction applied sciences to supply a variety of value-added caesium chemical compounds.
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1 The Consolidated MRE (CV5 + CV13 pegmatites), which incorporates the Rigel and Vega caesium zones, totals 108.0 Mt at 1.40% Li2O, 0.11% Cs2O, 166 ppm Ta2O5, and 66 ppm Ga, Indicated, and 33.4 Mt at 1.33% Li2O, 0.21% Cs2O, 155 ppm Ta2O5, and 65 ppm Ga, Inferred, and is reported at a cut-off grade of 0.40% Li2O (open-pit), 0.60% Li2O (underground CV5), and 0.70% Li2O (underground CV13). A grade constraint of 0.50% Cs2O was used to mannequin the Rigel and Vega caesium zones. Efficient Date is June 20, 2025 (by CV24-787). Mineral Assets are usually not Mineral Reserves as they don’t have demonstrated financial viability. Mineral Assets are inclusive of Mineral Reserves. |
2 Possible Mineral Reserve of 84.3 Mt at 1.26% Li2O on the CV5 Pegmatite with a cut-off grade is 0.40% Li2O (open-pit) and 0.70% Li2O (underground). Underground growth and open-pit marginal tonnage containing materials above 0.37% Li2O are additionally included within the assertion. The Efficient Date is September 11, 2025. See Feasibility Research information launch dated October 20, 2025. |
The proposed testwork program – to be executed over roughly the subsequent 4 months – is predicted to create pathways for the conversion of Shaakichiuwaanaan pollucite concentrates to numerous value-added caesium chemical compounds.
The Firm is motivated to contemplate caesium value-added chemical manufacturing (with key companions) to find out the very best pathway to unlock most worth from its globally important caesium useful resource and the pollucite concentrates (host mineral for caesium) that might be produced at website.
Determine 1: Shaakichiuwaanaan Assets and the CV13 Pegmatite (caesium).
About Koch Know-how Options
Koch Know-how Options is a frontrunner in know-how licensing, delivering working effectivity and capital productiveness for licensees deploying the applied sciences in our portfolio. With a world community and wealthy historical past of area expertise and experience, KTS good points further energy from its place inside Koch Engineered Options (KES). This backing enhances the flexibility to companion with firms growing chemical course of applied sciences, create engaging licensing options for business deployment, and convey the subsequent era of applied sciences to the market.
About Koch Inc.
Koch Inc. is without doubt one of the largest privately held firms on the earth, headquartered in Wichita, Kansas, with annual revenues which have exceeded US$125 billion. It owns a various group of firms concerned in manufacturing, agriculture, pulp and paper, packaging, shopper merchandise, constructing supplies, glass, automotive elements, refining, renewable vitality, chemical compounds and polymers, electronics, software program, community options, well being care know-how, engineered know-how, mission companies, recycling, provide chain and logistics, commodities buying and selling, actual property, and investments. Since 2003, Koch firms have invested greater than $190 billion in progress and enhancements. With a presence in additional than 50 nations, Koch firms make use of about 120,000 folks worldwide, with almost half of these in the USA. For extra information and data, go to www.kochinc.com.
Determine 2: Drill gap outcome highlights on the CV13 Pegmatite (caesium).
Subsequent Steps
The testwork program developed in partnership with Koch Know-how Options is anticipated to happen over roughly the subsequent 4 months, after which preliminary course of pathways are anticipated to have been developed to supply value-added caesium chemical compounds from Shaakichiuwaanaan pollucite concentrates.
In parallel, and constructing on the connection developed with Koch Inc the Firm will proceed to evaluate each potential future merchandise and their interaction with the downstream caesium market. This may embody product pathways in industrial sectors just like the oil and gasoline, catalysts, and prescribed drugs industries.
Additional investigations are additionally underway for the potential utilization of caesium value-added merchandise for the rising terrestrial photo voltaic panel business, the place next-generation panels can embody caesium to boost vitality era effectivity.
At CV13, exploration and useful resource growth will proceed as a part of the Firm’s proposed 2026 drill marketing campaign to additional delineate and develop upon the beforehand introduced discoveries at Vega, Rigel, and Helios. An up to date Mineral Useful resource Estimate for the caesium zones, incorporating all of the drilling by 2025, is anticipated to be introduced within the second half of 2026.
Certified/Competent Particular person
The technical and scientific data on this information launch that pertains to the Mineral Useful resource Estimate and exploration outcomes for the Firm’s properties relies on, and pretty represents, data compiled by Mr. Darren L. Smith, M.Sc., P.Geo., who’s a Certified Particular person as outlined by Nationwide Instrument 43-101 – Requirements of Disclosure for Mineral Tasks (“NI 43-101”), and member in good standing with the Ordre des Géologues du Québec (Geologist Allow quantity 01968), and with the Affiliation of Skilled Engineers and Geoscientists of Alberta (member quantity 87868). Mr. Smith has reviewed and authorized the associated technical data on this information launch.
Mr. Smith is an Government and Vice President of Exploration for PMET Assets Inc. and holds widespread shares, Restricted Share Items (RSUs), Efficiency Share Items (PSUs), and choices within the Firm.
The knowledge on this information launch that pertains to the Mineral Reserve Estimate and Feasibility Research relies on, and pretty represents, data compiled by Mr. Frédéric Mercier-Langevin, Ing. M.Sc., who’s a Certified Particular person as outlined by NI 43-101, and member in good standing with the Ordre des Ingénieurs du Québec. Mr. Mercier-Langevin has reviewed and authorized the associated technical data on this information launch.
Mr. Mercier-Langevin is the Chief Working and Improvement Officer for PMET Assets Inc. and holds widespread shares, RSUs, PSUs, and choices within the Firm.
About PMET Assets Inc.
PMET Assets Inc. is a pegmatite important mineral exploration and growth firm targeted on advancing its district-scale 100%-owned Shaakichiuwaanaan Property situated within the Eeyou Istchee James Bay area of Quebec, Canada, which is accessible year-round by all-season highway and proximal to regional hydro-power infrastructure.
In late 2025, the Firm introduced a optimistic lithium-only Feasibility Research on the CV5 Pegmatite for the Shaakichiuwaanaan Property and declared a maiden Mineral Reserve of 84.3 Mt at 1.26% Li2O (Possible)3. The research outlines the potential for a aggressive and globally important high-grade lithium mission concentrating on as much as ~800 ktpa spodumene focus utilizing a easy Dense Media Separation (“DMS”) solely course of flowsheet. Additional, the outcomes spotlight Shaakichiuwaanaan as a possible North American important mineral powerhouse with important alternative for tantalum and caesium along with lithium.
The Challenge hosts a Consolidated Mineral Useful resource4 totalling 108.0 Mt at 1.40% Li2O and 166 ppm Ta2O5 (Indicated) and 33.4 Mt at 1.33% Li2O and 155 ppm Ta2O5 (Inferred), and ranks as a high ten lithium pegmatite globally in measurement. Moreover, the Challenge hosts the world’s largest pollucite-hosted caesium pegmatite Mineral Useful resource on the Rigel and Vega zones with 0.69 Mt at 4.40% Cs2O (Indicated), and 1.70 Mt at 2.40% Cs2O (Inferred).
For additional data, please contact us at information@pmet.ca or by calling +1 (604) 279-8709, or go to www.pmet.ca. Please additionally consult with the Firm’s steady disclosure filings, accessible beneath its profile at www.sedarplus.ca and www.asx.com.au, for accessible exploration knowledge.
This information launch has been authorized by
“KEN BRINSDEN”
Kenneth Brinsden, President, CEO, & Managing Director
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3 See Feasibility Research information launch dated October 20, 2025. Possible Mineral Reserve cut-off grade is 0.40% Li2O (open-pit) and 0.70% Li2O (underground). Underground growth and open-pit marginal tonnage containing materials above 0.37% Li2O are additionally included within the assertion. Efficient Date of September 11, 2025. |
4 The Consolidated MRE (CV5 + CV13 pegmatites), which incorporates the Rigel and Vega caesium zones, totals 108.0 Mt at 1.40% Li2O, 0.11% Cs2O, 166 ppm Ta2O5, and 66 ppm Ga, Indicated, and 33.4 Mt at 1.33% Li2O, 0.21% Cs2O, 155 ppm Ta2O5, and 65 ppm Ga, Inferred, and is reported at a cut-off grade of 0.40% Li2O (open-pit), 0.60% Li2O (underground CV5), and 0.70% Li2O (underground CV13). A grade constraint of 0.50% Cs2O was used to mannequin the Rigel and Vega caesium zones. The Efficient Date is June 20, 2025 (by drill gap CV24-787). Mineral Assets are usually not Mineral Reserves as they don’t have demonstrated financial viability. Mineral Assets are inclusive of Mineral Reserves. |
Disclaimer for Ahead-Trying Data
This information launch incorporates “forward-looking statements” and “forward-looking data” inside the which means of relevant securities legal guidelines.
All statements, apart from statements of current or historic info, are forward-looking statements. Ahead-looking statements contain recognized and unknown dangers, uncertainties and assumptions and accordingly, precise outcomes might differ materially from these expressed or implied in such statements. You’re therefore cautioned to not place undue reliance on forward-looking statements. Ahead-looking statements are usually recognized by phrases corresponding to “goals to”, “to be”, “plan”, “growth”, “progress”, “continued”, “intent”, “expectations”, “rising”, , “anticipated”, “potential”, “capability”, “further”, “prospects”, “estimated”, , “goal”, “believes”, “subsequent steps”, “underway” or variations of such phrases and phrases or statements that sure actions, occasions or outcomes “could”, “might”, “would”, “may” or “will” be taken, happen or be achieved.
Ahead-looking statements embody, however are usually not restricted to, statements in regards to the capability to transform caesium-rich pollucite concentrates into varied high-value caesium chemical merchandise, the existence of a possible pathway into important US industrial provide chains for protection, area, vitality and superior electronics, the flexibility to assist the potential growth of a brand new high-margin product stream from Shaakichiuwaanaan alongside lithium, the flexibility to unlock the complete business potential of Shaakichuwaanaan caesium discovery, the flexibility to supply value-added caesium chemical compounds from Shaakichiuwaanaan pollucite concentrates, the potential for future merchandise and their interaction with the downstream caesium market and the potential utilization of caesium value-added merchandise for the rising terrestrial photo voltaic panel business, the place next-generation panels can embody caesium to boost vitality era effectivity.
Ahead-looking statements are based mostly upon sure assumptions and different necessary elements that, if unfaithful, might trigger precise outcomes to be materially completely different from future outcomes expressed or implied by such statements. There could be no assurance that forward-looking statements will show to be correct. Key assumptions upon which the Firm’s forward-looking data relies embody, with out limitation, the accuracy of reserve and useful resource estimates, the classification of assets and the assumptions on which the reserve and useful resource estimates are based mostly, long-term demand for lithium (spodumene), tantalum (tantalite), and caesium (pollucite) provide, and that exploration and growth outcomes proceed to assist administration’s present plans for Property growth.
Ahead-looking statements are additionally topic to dangers and uncertainties going through the Firm’s enterprise, any of which might have a cloth antagonistic impact on the Firm’s enterprise, monetary situation, outcomes of operations and progress prospects. Readers ought to overview the detailed threat dialogue within the Firm’s most up-to-date Annual Data Type filed on SEDAR+, for a fuller understanding of the dangers and uncertainties that have an effect on the Firm’s enterprise and operations.
Though the Firm believes its expectations are based mostly upon affordable assumptions and has tried to determine necessary elements that would trigger precise actions, occasions or outcomes to vary materially from these described in forward-looking statements, there could also be different elements that trigger actions, occasions or outcomes to not be as anticipated, estimated or supposed. There could be no assurance that forward-looking data will show to be correct. If any of the dangers or uncertainties talked about above, which aren’t exhaustive, materialize, precise outcomes could differ materially from these anticipated within the forward-looking statements.
The forward-looking statements contained herein are made solely as of the date hereof. The Firm disclaims any intention or obligation to replace or revise any forward-looking statements, whether or not on account of new data, future occasions or in any other case, besides to the extent required by relevant regulation. The Firm qualifies all of its forward-looking statements by these cautionary statements.
Competent Particular person Assertion (ASX Itemizing Guidelines)
The knowledge on this information launch that pertains to the Feasibility Research (“FS”) for the Shaakichiuwaanaan Challenge, which was first reported by the Firm in a market announcement titled “PMET Assets Delivers Optimistic CV5 Lithium-Solely Feasibility Research for its Massive-Scale Shaakichiuwaanaan Challenge” dated October 20, 2025 (Montreal time) is obtainable on the Firm’s web site at www.pmet.ca, on SEDAR+ at www.sedarplus.ca and on the ASX web site at www.asx.com.au. The manufacturing goal from the Feasibility Research referred to on this information launch was reported by the Firm in accordance with ASX Itemizing Rule 5.16 on the date of the unique announcement. The Firm confirms that, as of the date of this information launch, all materials assumptions and technical parameters underpinning the manufacturing goal within the unique announcement proceed to use and haven’t materially modified.
The Mineral Useful resource and Mineral Reserve Estimates on this launch have been first reported by the Firm in accordance with ASX Itemizing Guidelines 5.8 and 5.9 in market bulletins titled “World’s Largest Pollucite-Hosted Caesium Pegmatite Deposit” dated July 20, 2025 (Montreal time) and “PMET Assets Delivers Optimistic CV5 Lithium-Solely Feasibility Research for its Massive-Scale Shaakichiuwaanaan Challenge” dated October 20, 2025 (Montreal time) and can be found on the Firm’s web site at www.pmet.ca, on SEDAR+ at www.sedarplus.ca and on the ASX web site at www.asx.com.au. The Firm confirms that, as of the date of this information launch, it isn’t conscious of any new data or knowledge verified by the competent individual that materially impacts the data included within the related announcement and that each one materials assumptions and technical parameters underpinning the estimates within the related announcement proceed to use and haven’t materially modified. The Firm confirms that, as on the date of this announcement, the shape and context through which the competent individual’s findings are offered haven’t been materially modified from the unique market announcement.
The Exploration Outcomes on this launch have been first reported by the Firm in accordance with ASX Itemizing Rule 5.7 in market bulletins dated March 18, 2026, and can be found on the Firm’s web site at www.pmet.ca, on SEDAR+ at www.sedarplus.ca and on the ASX web site at www.asx.com.au. The Firm confirms that, as of the date of this information launch, it isn’t conscious of any new data or knowledge verified by the competent individual that materially impacts the data included within the related announcement. The Firm confirms that, as on the date of this announcement, the shape and context through which the competent individual’s findings are offered haven’t been materially modified from the unique market announcement.
Olivier Caza-Lapointe, Head, Investor Relations, T: +1 (514) 913-5264, E: ocazalapointe@pmet.ca
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