Energy Steel Intercepts 4.40 Meters of 12.18% Cu (14.34% CuEqRec) incorporated inside of 20.40 Meters of two.91% Cu (3.58% CuEqRec) in Hollow 25-029b at Lion, and Completes the Extension of PN-24-064 to outline massive off-hole BHEM anomaly

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The summer time drilling program used to be designed to seek for extensions to the Lion Zone, particularly ailing plunge from recognized mineralization, and to infill drill at the Lion storage to outline the zone geometry to a self belief degree that may permit a age mineral useful resource estimate to be performed to an Indicated Useful resource classification.

Lion Useful resource Drilling (Desk 1, Determine 1)
Drilling has effectively outlined mineralization extending down-plunge probably the most high-grade shoots which are inside to the Lion zone for age MRE modelling. Drilling reported right here intersected mineralization under the central high-grade zone of Lion, together with Prime-grade sulphide intersections of four.40m @ 14.34% CuEqRec¹ in gap PML-25-029b incorporated inside of 20.40m of three.58% CuEqRec¹), and 1.59m @ 27.92% CuEqRec¹ in gap PML-25-025, incorporated in 19.8m of two.71% CuEqRec¹). Extensional intersection at the west facet of Lion incorporated 2.65m @ 17.79% CuEqRec¹ in gap PML-25-31 incorporated inside of 8.10m of seven.13% CuEqRec¹). Those holes have in large part showed the grade of the Lion zone in addition to expanding the scale of the interpreted towering grade lodes.

¹Copper Similar Rec Calculation (CuEqRec¹)
CuEqRec represents CuEq calculated in line with please see steel costs (USD): 2,360.15 $/oz. Au, 27.98 $/oz. Ag, 1,215.00 $/oz. Pd, 1000.00 $/oz. Pt, 4.00 $/lb Cu, 10.00 $/lb Ni and 22.50 $/lb Co., and a healing grade of 80% for all commodities, in line with similar friends.

Terry Lynch, CEO of Energy Steel states “another good round of results showing very solid increases in the known mineralized area in the Lion Zone. At the moment even as we continue to test the extension of Lion and grow its mineralized area we have three strategic target areas supported by geology and borehole EM that look promising to deliver our next big breakthrough. Hole 64 which we talk about below and the very promising large off hole anomaly that sits in our interpreted fold hinge will be targeted by a series of holes as soon as drilling commences in 2026. This delay is to enable the heavier land rigs to be mobilized for this deep drill target. Tiger Deep the anomaly we discussed in our last release is being targeted prior to the Christmas break as are initial holes on the Hydro Lands.

Our integrated geophysical and geochemical toolkit has delivered for us in the past, and our exploration team has never been more optimistic than it is today. We are well funded for our 2025–2026 work programs and have announced our plan to list on the NYSE to access deeper U.S. capital markets. As we move into the upcoming winter and summer 2026 drill campaigns across the district, we’ve asked the team to systematically pursue the highest–priority targets, and while we haven’t yet defined a second Lion or Nisk–style zone, we believe this is one of the most target–rich exploration opportunities over the next 12 months.”

Nisk East Drilling (Desk 1)
Drilling on the Nisk East goal contains holes PMN-25-005 through PMN-25-011. Negligible intersections of Ni-Cu-Pd mineralization used to be intersected in holes PMN-25-005, 008 and 011, together with 4.00m of two.34% CuEqRec¹ in gap PMN-25-005. The Nisk East segment is now being re-assessed with the hot land acquisition to the west (see information drop November 4, 2025) which now lets in Energy Steel to successfully goal the extension of the geology that hosts this Ni-Cu gadget (Determine 2) and is on crash with the Lion and lately intersected Lion West zone (assays pending).

Energy Steel has additionally gained assay effects from the primary 7 holes at the fresh Li-FT acquisition (PMX-25-001 through PMX-25-007). All holes have been concentrated on airborne EM anomalies, and all holes intersected semi-massive to larger sulphides explaining the EM conductors. Negative important steel values have been intersected. Lately the PMX program is specializing in the lately got ‘Hydro Lands’ which is interpreted to be the folded extension of the Nisk-Lion gadget (see information drop November 4, 2025). Drill allows have now been granted for this segment permitting drilling to begin in this notable goal segment.

Lion-Tiger Deep Goal
‘Deep Tiger’ is a goal this is in line with reinterpretation of earlier Tiger drilling that means Tiger is made up of ‘rip-up’ blocks of larger Ni-Cu sulphides carried in a tonalitic intrusion from a deeper greater storage (Determine 3). That is supported via the truth that Tiger larger sulphides are hosted in a overdue tonalitic intrusion, and that fresh floor mapping within the segment came upon matching ‘rip-up’ blocks in outcrop (Determine 4) of each larger sulphides, and ultra-mafic in tonalite intrusions. The use of numerous vectoring tactics Energy Steel believes it’s directing exploration proximal to the supply of this mineralization.

As reported on November 4, 2025, 3 holes (PML-25-021, 026a, 030) have been drilled under the intensity answer of the hot 2025 airborne VTEM survey finished via Energy Steel. Those holes have been checking out the segment between Lion and Tiger to intersect the mineralized horizon and grant drill holes for BHEM surveys.

As prior to now reported gap PML-25-026, drilled closest to Lion returned refuse important assays, pace the BHEM survey off-hole conductors have been pointing to the presence of the Lion storage. Hollow PML-25-021 intersected Lion taste mineralization (3.70m @ 1.48% CuEqRec¹) and indicated an off-hole anomaly (Determine 2) east of the Lion storage. Next drilling of this BHEM off-hole goal (PML-25-038) intersected extra Lion taste mineralization (assays pending) and BHEM surveys are these days being performed in this gap.

Essentially the most easterly gap, PML-25-030 (assays pending) didn’t intersect important vision mineralization, however the BHEM survey produced a massive, in all probability thick bodied anomaly deeper and to the east of the outlet. This BHEM panel used to be examined via gap PML-25-035 (assays pending), which intersected sulphide mineralization in ultra-mafic host rock. This higher delicate the off-hole BHEM anomalies (Determine 2) that are these days being examined with drilling.

Lion-Tiger Deep Goal – Hollow PN-24-064
Right through drilling in 2024 at the Lion storage, one gap, PN-24-064 used to be prolonged well past the Lion Zone and the outlet ended at 1046 meters. Next BHEM surveys indicated an overly massive off-hole anomaly, however the complete anomaly couldn’t be modelled because the conductor used to be under and in entrance of the tip of the outlet. This gap used to be due to this fact prolonged 300 meters (finish at 1347 meters) and resurveyed with BHEM. This has resulted within the biggest off-hole conductor to moment at the undertaking.

This conductor stretches in entrance of the mineralization and conductors advanced in holes PML-25-021, 030, 035 and 038 (Determine 1). It sits on each our latest Nisk lands and the Li-FT acquisition claims which Energy Steel personal 100% (Determine 2). The BHEM panel is on crash with the newly got ‘Hydro Lands’. It happens within the interpreted location of a wrinkle hinge which has advanced into a concern goal segment for Energy Steel to search out extra Cu-Ni mineralization.

The site of the ambiguity, its massive dimension, its proximity to subsidiary BHEM anomalies, and indications of mineralization (Holes PML-25-021, 035, and 038) are all sure supporting proof for advancing this goal. Energy Steel is these days assessing the logistically choices for drilling into this anomaly, with the extension of PML-25-021, that sits at roughly 700m intensity already, as a main candidate for extension and checking out of the BHEM panel. Energy Steel will replace this goal’s development within the coming weeks.

QAQC and Sampling

GeoVector Control Inc (“GeoVector”) is the consulting corporate retained to accomplish the latest drilling program, which incorporates core logging and sampling of the drill core.

All samples have been submitted to and analyzed at Activation Laboratories Ltd (“Actlabs”), an isolated industrial laboratory for each the pattern preparation and assaying. Actlabs is a industrial laboratory isolated of Energy Steel with little interest in the Challenge. Actlabs is an ISO 9001 and 17025 qualified and authorized laboratories. Samples submitted thru Actlabs are run thru usual preparation modes and analysed the use of RX-1 (Dried, weigh down (< 7 kg) as much as 80% passing 2 mm, riffle crack (250 g) and destroy (delicate metal) to 95% passing 105 μm) preparation modes, and the use of 1F2 (ICP-OES) and 1C-OES – 4-Acid alike general digestion + Gold-Platinum-Palladium research and 8-Peroxide ICP-OES, for ordinary and over detection prohibit research. Pegmatite samples are analyzed the use of UT7 – Li as much as 5%, Rb as much as 2% form. Actlabs additionally adopt their very own inside coarse and pulp replica research to assure correct pattern preparation and gear calibration.

GeoVector’s QAQC program contains ordinary insertion of CRM requirements, duplicates, and blanks into the pattern flow with a stringent evaluation of all effects. QAQC and information validation used to be carried out, and refuse subject matter mistakes have been noticed.

Certified Particular person

Joseph Campbell, P.Geo, VP Exploration at Energy Steel, is the certified one that has reviewed and authorized the technical disclosure contained on this information drop.

About Energy Steel Mines Inc.

Energy Steel is a Canadian exploration corporate eager about advancing the Nisk Challenge Department (Nisk–Lion–Tiger)—a towering–grade Copper–PGE, Nickel, gold and silver gadget—towards Canada’s later polymetallic mine.

On 1 February 2021, Energy Steel (later Chilean Metals) fasten an approach to earn as much as 80% of the Nisk undertaking from Crucial Components Lithium Corp. (TSX–V: CRE). Following the June 2025 acquire of 313 adjacent claims (~167 km²) from Li–FT Energy, the Corporate now controls ~212.86 km² and more or less 50 km of potential basin margins.

Energy Steel is increasing mineralization on the Nisk and Lion discovery zones, comparing the Tiger goal, and exploring the enlarged land package deal thru successive drill techniques.

Past the Nisk Challenge Department, Energy Steel not directly has an passion in important land programs in British Columbia and Chile, via its 50% proportion possession place in Chilean Metals Inc., which have been spun out from Energy Steel by means of a plan of association on February 3, 2025.

It additionally owns 100% of Energy Steel Arabia which owns 100% passion within the Jabul Baudan exploration license in The Kingdon of Saudi Arabia’s JabalSaid Belt. The trait encompasses over 200 sq. kilometres in an segment identified for its towering prospectivity for copper gold and zinc mineralization. The pocket is understood for its larger volcanic sulfide (VMS) deposits, together with the world-class Jabal Sayid mine and the promising Umm and Damad storage.

For additional knowledge, readers are inspired to touch:
Energy Steel Mines Inc.
The Canadian Challenge Construction
82 Richmond St East, Suite 202
Toronto, ON

Neither the TSX Challenge Alternate nor its Law Services and products Supplier accepts duty for the adequacy or accuracy of this drop.

Cautionary Notice Referring to Ahead-Having a look Statements

This message accommodates positive statements that can be deemed “forward-looking statements” regarding the Corporate throughout the that means of acceptable securities rules. Ahead-looking statements are statements that aren’t ancient information and are typically, however no longer all the time, known via the phrases “expects,” “plans,” “anticipates,” “believes,” “intends,” “estimates,” “projects,” “potential,” “indicates,” “opportunity,” “possible” and matching expressions, or that occasions or situations “will,” “would,” “may,” “could” or “should” happen. Even though the Corporate believes the expectancies expressed in such forward-looking statements are in line with affordable suppositions, such statements aren’t promises of age efficiency, are topic to dangers and uncertainties, and latest effects or realities might range materially from the ones within the forward-looking statements. Such subject matter dangers and uncertainties come with, however aren’t restricted to, amongst others; the timing for numerous drilling plans; the power to lift ample capital to capitaltreasury its responsibilities underneath its trait commitments in the future and behavior drilling and exploration; the timing for doable checklist on NYSE; keeping up its mineral tenures and concessions in excellent status; to discover and assemble its tasks; adjustments in financial situations or monetary markets; the inherent hazards friends with mineral exploration and mining operations; age costs of copper, nickel and alternative metals; adjustments typically financial situations; accuracy of mineral useful resource and stock estimates; the opportunity of fresh discoveries; the power of the Corporate to procure the essential allows and concurs required to discover, drill and assemble the tasks and if approved, to procure such licenses and approvals in a well timed style relative to the Corporate’s plans and industry targets for the acceptable undertaking; the overall talent of the Corporate to monetize its mineral assets; and adjustments in environmental and alternative rules or laws that may have an have an effect on at the Corporate’s operations, compliance with environmental rules and laws, dependence on key control body of workers and basic pageant within the mining trade.

SOURCE Energy Steel Mines Inc.

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