ZNG.V · 2025-10-20 12:00:00

Group Eleven Drills 25.6m of 9.2% Zn+Pb and 28 g/t Ag and Extends Deeper Cu-Ag Zone with 17.4m of 35 g/t Ag and 0.31% Cu at Ballywire Discovery

Drill Results

Group Eleven Drills 25.6m of 9.2% Zn+Pb and 28 g/t Ag and Extends

Deeper Cu-Ag Zone with 17.4m of 35 g/t Ag and 0.31% Cu

at Ballywire Discovery

Vancouver, Canada, October 20, 2025 - Group Eleven Resources Corp. (TSX-V: ZNG; OTCQB: GRLVF;

FRA: 3GE) (“Group Eleven” or the “Company”) is pleased to announce the latest three step-out drill

holes from its Ballywire discovery (“ Ballywire”) at the 100%-owned PG West Project (“PG West”),

Republic of Ireland.

Highlights:

• 25-3552-39 (50m step-out SE of 25-3552-35, hosting widest intercept to date; announced 02-Jul-

25) intersected two main zones of mineralization, including:

o Waulsortian Limestone (starting from 145.9m downhole)

o 11.4m of 4.7% Zn+Pb (3.4% Zn and 1.3% Pb) and 34 g/t Ag, including

o 5.3m of 9.2% Zn+Pb (6.9% Zn and 2.2% Pb) and 58 g/t Ag, and

o 0.6m of 52.1% Zn+Pb (43.8% Zn and 8.3% Pb) and 631 g/t Ag

o Base of Waulsortian Limestone (starting from 236.2m downhole)

o 25.6m of 9.2% Zn+Pb (6.5% Zn and 2.7% Pb) and 28 g/t Ag, including

o 5.7m of 14.9% Zn+Pb (12.3% Zn and 2.6% Pb) and 24 g/t Ag

• 25-3552-44 (approx. 100m step-out NNW of 25-3552-40, the first hole testing the ‘Deeper Cu-Ag’

target at Ballywire; announced 22-Sep-2025) intersected multiple zones of Cu-Ag mineralization:

o Base of Waulsortian Limestone (starting from 364.5m downhole)

o 14.7m of 1.7% Zn+Pb (1.5% Zn and 0.2% Pb) and 22 g/t Ag, including

o 3.4m of 5.6% Zn+Pb (5.1% Zn and 0.5% Pb) and 23 g/t Ag, including

o 1.0m of 13.1% Zn+Pb (12.4% Zn and 0.7% Pb) and 42 g/t Ag, and

o 3.8m of 51 g/t Ag and 0.14% Cu

o Deeper Cu-Ag Zone, Below the Waulsortian Limestone (starting 396.6m downhole)

o 17.4m of 35 g/t Ag and 0.31% Cu, including

o 5.1m of 91 g/t Ag and 0.22% Cu, including

o 0.4m (42cm) of 917 g/t Ag, 1.97% Cu, 0.17% Sb, and

o 7.7m of 17 g/t Ag, 0.55% Cu and 0.04% Sb, including

o 2.8m of 26 g/t Ag, 1.03% Cu and 0.06% Sb

“Today’s re sults are significant given they clearly show the presence of Cu -Ag mineralization

associated with extensive, steeply dipping ‘feeder’ faults located immediately below the Zn -Pb-Ag

horizon,” stated Bart Jaworski, CEO. “ Having both Zn-Pb-Ag and Cu -Ag zones in close proximity is a

fortuitous situation from a future mining perspective, relative to our initial hypothesis of a flat lying

Cu-Ag horizon occurring separately a couple of hundred metres below the Zn-Pb-Ag horizon. Also

important is the discovery of a second fault at the bottom of 25 -3552-44, suggesting a parallel

mineralizing system immediately to the north of the discovery which has not yet been drilled. Lastly,

we are very pleased to see one of the best intersections to date at Ballywire in step-out hole 25-3552-

39, illustrating the strength of the mineralization system. We are poised to add further shareholder

value via ongoing drill testing of the Zn-Pb-Ag horizon and associated Deeper Cu-Ag target along our

6km long prospective trend at Ballywire.”

Exhibit 1. Cross-Section Showing 25-3552-44 Testing Deeper Cu-Ag Zone at Ballywire

Note: ^ unless otherwise noted; true thickness of the mineralized intervals in holes 25-3552-44 as a percentage of the down-

hole interval, is estimated to be approx. 90%

Exhibit 2. Plan Map of Main Ballywire Discovery Corridor, Showing Holes 25-3552-39, -42, -44

Exhibit 3. Cross-Section Showing New Holes (25-3552-39 and -42)

Note: 25-3552-35 is projected approx. 50m onto the plane of the section; * massive sulphide dominated mineralization

Ballywire Drill Update

The Ballywire prospect at the Company’s 100% -owned PG West Project in Republic of Ireland,

represents the most significant mineral discovery in Ireland in over a decade. First announced in Sept-

2022, the discovery has 62 holes drilled and reported by Group Eleven to date, including the most

recent three holes (25-3552-39, -42 and -44) reported today (see Exhibits 1 to 6).

Assays from today’s drill holes are summarized below (see Exhibits 4 and 5). Mineralization consists

predominantly of sphalerite, galena and pyrite, with the Cu-Ag bearing zones also containing

chalcopyrite and suspected tennantite-tetrahedrite.

Exhibit 4. Summary of Assays from 25-3552-39 at Ballywire

Item From

(m)

Int

(m)

(%)

Zn+Pb

(%)

(g/t)

(%)

25-3552-39 145.94 157.38 11.44 3.45 1.25 4.70 34.2 -

Incl. 152.06 157.38 5.32 6.95 2.22 9.17 57.6 -

Incl. 153.84 156.42 2.58 12.49 3.79 16.29 94.7 0.02

Incl. 154.74 155.60 0.86 23.30 6.57 29.87 197.0 0.04

And 206.65 207.25 0.60 43.80 8.32 52.12 631.0 -

And 236.15 261.77 25.62 6.53 2.66 9.19 27.6 0.02

Incl. 242.84 258.90 16.06 8.73 3.67 12.40 31.0 0.02

Incl. 250.47 256.13 5.66 12.33 2.56 14.90 23.7 0.03

And 266.41 267.38 0.97 0.32 0.10 0.41 35.8 0.05

And 269.28 270.23 0.95 1.00 0.39 1.38 59.7 0.08

And 307.18 308.08 0.90 0.14 0.01 0.15 15.1 0.23

And 324.04 324.96 0.92 0.00 0.00 0.01 13.2 0.09

Note: True thickness of the mineralized interval in holes 25-3552-39, as a percentage of the down-hole interval, is estimated

to be approx. 90%, respectively; “-“ means equal to or less than 0.01% (<100 ppm Cu)

Exhibit 5. Summary of Assays from 25-3552-44 and -42 at Ballywire

Item From

(m)

Int

(m)

(%)

Zn+Pb

(%)

(g/t)

(%)

25-3552-44 364.52 379.20 14.68 1.53 0.18 1.71 21.8 0.06 -

Incl. 364.52 368.79 4.27 4.15 0.40 4.55 21.7 0.05 -

Incl. 364.52 367.92 3.40 5.13 0.50 5.63 22.8 0.04 -

Incl. 364.52 366.94 2.42 7.01 0.65 7.67 30.3 0.06 -

Incl. 364.52 365.55 1.03 12.40 0.69 13.09 42.3 0.09 -

And 374.42 378.17 3.75 1.09 0.19 1.28 51.0 0.14 -

Incl. 376.30 377.23 0.93 3.45 0.58 4.03 76.5 0.23 -

And 396.56 414.00 17.44 0.02 0.06 0.08 34.7 0.31 -

Incl. 396.56 401.65 5.09 0.03 0.17 0.19 91.2 0.22 -

Incl. 396.56 396.98 0.42 0.20 1.80 2.00 916.5 1.97 0.17

And 406.35 414.00 7.65 0.03 0.01 0.04 17.3 0.55 0.04

Incl. 408.09 413.70 5.61 0.04 0.01 0.05 21.4 0.71 0.05

Incl. 408.09 410.90 2.81 0.05 0.01 0.06 25.5 1.03 0.06

Incl. 408.09 408.40 0.31 0.13 0.01 0.13 38.0 5.51 0.02

And 582.88 590.50 7.62 - 0.01 0.01 12.9 0.41 -

Incl. 583.81 588.53 4.72 - 0.01 0.01 17.7 0.49 -

Incl. 583.81 585.70 1.89 - - 0.01 26.5 0.81 -

And 611.88 612.34 0.46 0.05 - 0.05 37.4 1.53 0.06

25-3552-42 282.33 311.05 28.72 0.81 0.16 0.97 4.1 - -

Incl. 284.10 290.60 6.50 1.70 0.44 2.14 7.5 - -

Incl. 284.10 285.91 1.81 3.16 0.78 3.95 15.5 - -

And 308.95 309.90 0.95 2.52 0.03 2.55 5.7 - -

Note: True thickness of the mineralized interval s in holes 25-3552-44 and -42 as a percentage of the down -hole interval, is

estimated to be approx. 90% and 60-80%, respectively; ‘-‘ means less than or equal to 0.01% Zn, Pb, Cu or Sb

Drilling at Ballywire continues with three rigs. Currently, eleven (11) new holes are completed or near

completed (and in the process of being logged, sampled and assayed). These are shown in Exhibit 2,

including: (i) one hole testing the ‘Deeper Cu-Ag zone’; (ii) one hole testing N of G11-3552-19; (iii) four

holes collared approx. 200m E of G11-3552-08; (iv) one hole testing approx. 780m SE of G11-3552-08;

and (v) four holes drilled along a drill fence hosting G11-468-01.

Notes to Exhibit 7: (a) Pallas Green MRE is owned by Glencore (see Glencore’s Resources and Reserves

Report dated December 31, 2024); (b) Stonepark MRE: see the ‘NI 43-101 Independent Report on the

Zinc-Lead Exploration Project at Stonepark, County Limerick, Ireland’, by Gordon, Kelly and van Lente,

with an effective date of April 26, 2018, as found on SEDAR; and (c) the historic esti mate at Denison

was reported by Westland Exploration Limited in ‘Report on Prospecting Licence 464’ by Dermot

Hughes dated May, 1988; the historic estimate at Gortdrum was reported in ‘The Geology and Genesis

of the Gortdrum Cu -Ag-Hg Orebody’ by G.M. Steed dated 1986; and the historic estimate at

Tullacondra was first reported by Munster Base Metals Ltd in ‘Report on Mallow Prop erty’ by David

Wilbur, dated December 1973; and later summarized in ‘Cu-Ag Mineralization at Tullacondra, Mallow,

Co. Cork’ by Wilbur and Carter in 1986; the above three historic estimates have not been verified as

current mineral resources; none of the ke y assumptions, parameters and methods used to prepare

the historic estimates were reported and no resource categories were used; significant data

compilation, re-drilling and data verification may be required by a Qualified Person before the historic

estimates can be verified and upgraded to be compliant with current NI 43-101 standards; a Qualified

Person has not done sufficient work to classify them as a current mineral resource and the Company

is not treating the historic estimates as current mineral res ources. ‘Rathdowney Trend’ is the south -

westerly projection of the Rathdowney Trend, hosting the historic Lisheen and Galmoy mines.

Exhibit 6. Regional Gravity Map Showing 6km Long Prospective Trend at Ballywire

Note: Of the four gravity-high anomalies above, only the ‘C’ anomaly has been systematically drilled to date

Exhibit 7. Regional Map of Ballywire Discovery and Surrounding Prospects

Qualified Person

Technical information in this news release has been approved by Professor Garth Earls , Eur Geol,

P.Geo, FSEG , geological consultant at IGS (International Geoscience Services) Limited , and

independent ‘Qualified Person’ as defined under Canadian National Instrument 43-101.

Sampling and Analytical Procedures

All core drilled at Ballywire is NQ (47.6mm) and is cut using a rock saw. Sample intervals vary between

0.13m to 1. 46m with an average (over 335 samples) of 0.9 1m. The half -core samples are bagged,

labelled and sealed at Group Eleven’s core store facility in Limerick, Ireland. Selected sample bags are

examined by the Qualified Person. Transport is via an accredited courier service and/or by Group

Eleven staff to ALS Laboratories in Loughrea Co. Galway, Ireland. Sample preparation at the ALS facility

comprises fine crushing 70% < 2mm, riffle splitter, pulverise up to 250g 85% < 75um. Analytical

procedures are 34 element four acid ICP-AES (codes ME-ICP61 and ME-OG62). Other than paying for

a professional analytical service, Group Eleven has no relationship with ALS.

Quality Assurance/Quality Control (QA/QC) Information

Group Eleven inserts certified reference materials (“CRMs” or “Standards”) as well as blank material,

to its sample stream as part of its industry -standard QA/QC programme. T he QC results have been

reviewed by the Qualified Person, who is satisfied that all the results are within acceptable

parameters. The Qualified Person has validated the sampling and chain of custody protocols used by

Group Eleven.

About Group Eleven Resources

Group Eleven Resources Corp. (TSX.V: ZNG; OTCQB: GRLVF and FRA: 3GE) is drilling the most

significant mineral discovery in the Republic of Ireland in over a decade. The Company announced the

Ballywire discovery in September 2022 , demonstrating high grades of zinc, lead, silver, copper,

germanium and locally, antimony. Key intercepts to date include:

• 10.8m of 10.0% Zn+Pb and 109 g/t Ag (G11-468-03)

• 10.1m of 8.6% Zn+Pb and 46 g/t Ag (G11-468-06)

• 10.5m of 14.7% Zn+Pb, 399 g/t Ag and 0.31% Cu (G11-468-12)

• 11.2m of 8.9% Zn+Pb and 83 g/t Ag (G11-3552-03)

• 29.6m of 10.6% Zn+Pb, 78 g/t Ag and 0.15% Cu (G11-3552-12) and

• 11.8m of 11.6% Zn+Pb, 48 g/t Ag (G11-3552-18)

• 15.6m of 11.6% Zn+Pb, 122 g/t Ag and 0.19% Cu (G11-3552-27)

• 12.0m of 1.4% Zn+Pb, 560 g/t Ag, 2.30% Cu and 0.17% Sb (25-3552-31), including

• 6.4m of 2.1% Zn+Pb, 838 g/t Ag, 3.72% Cu and 0.27% Sb (25-3552-31)

• 39.7m of 9.5% Zn+Pb, 131 g/t Ag and 0.27% Cu (25-3552-35)

• 25.6m of 9.2% Zn+Pb, 28 g/t Ag (25-3552-39)

Ballywire is located 20km from Company’s 77.64%-owned Stonepark zinc-lead deposit1, which itself is

located adjacent to Glencore’s Pallas Green zinc -lead deposit 2. The Company’s two largest

shareholders are Michael Gentile ( 14.1% interest) and Glencore Canada Corp. ( 13.9%). Additional

information about the Company is available at www.groupelevenresources.com.

1 Stonepark MRE is 5.1 million tonnes of 11.3% Zn+Pb (8.7% Zn and 2.6% Pb), Inferred (Apr -17-2018)

2 Pallas Green MRE is 45.4 million tonnes of 8.4% Zn+Pb (7.2% Zn + 1.2% Pb), Inferred (Glencore, Dec -31-2024)

ON BEHALF OF THE BOARD OF DIRECTORS

Bart Jaworski, P.Geo.

Chief Executive Officer

E: [email protected] | T: +353-85-833-2463

E: [email protected] | T: 604-781-4915

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.

Cautionary Note Regarding Forward-Looking Information

Technical and scientific information disclosed from neighbouring properties does not necessarily apply

to the current project or property being disclosed . This press release contains forward -looking

statements within the meaning of applicable securities legislation. Such statements include, without

limitation, statements regarding the future results of operations, performance and achievements of

the Company, including the timing, content, cost and results of proposed work programs, the

discovery and delinea tion of mineral deposits/resources/ reserves and geological interpretations.

Although the Company believes that such statements are reasonable, it can give no assurance that

such expectations will prove to be correct. Forward -looking statements are typical ly identified by

words such as: believe, expect, anticipate, intend, estimate, postulate and similar expressions, or are

those, which, by their nature, refer to future events. The Company cautions investors that any

forward-looking statements by the Company are not guarantees of future results or performance, and

that actual results may differ materially from those in forward looking statements as a result of various

factors, including, but not limited to, variations in the nature, quality and quantity of a ny mineral

deposits that may be located. All of the Company's public disclosure filings may be accessed via

www.sedarplus.ca and readers are urged to review these materials, including the technical reports

filed with respect to the Company's mineral properties.

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