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Group Eleven Drills Best Hole Yet at Ballywire: 39.7m of 9.5% Zn+Pb, 131 g/t Ag and 0.27% Cu, incl. 5.6m of 16.6% Zn+Pb, 370 g/t Ag and 0.86% Cu

Drill Results

Group Eleven Drills Best Hole Yet at Ballywire:

39.7m of 9.5% Zn+Pb, 131 g/t Ag and 0.27% Cu, incl.

5.6m of 16.6% Zn+Pb, 370 g/t Ag and 0.86% Cu

Vancouver, Canada, July 02, 2025 - Group Eleven Resources Corp. (TSX-V: ZNG; OTCQB: GRLVF; FRA:

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

the Zn-Pb-Ag horizon at its Ballywire discovery (“Ballywire”) at the 100%-owned PG West Project (“PG

West”), Republic of Ireland. Drilling at Ballywire’s deeper, Cu-Ag target is in progress (to be reported

in due course).

Highlights:

• 25-3552-35 (a 50m step-out to the NE from previous drilling , along the Zn -Pb-Ag horizon )

intersected:

o 53.9m of 7.9% Zn+Pb (4.7% Zn and 3.2% Pb), 99 g/t Ag and 0.20% Cu, including

o 39.7m of 9.5% Zn+Pb (5.6% Zn and 3.9% Pb), 131 g/t Ag and 0.27% Cu, including

o 18.3m of 16.1% Zn+Pb (8.9% Zn and 7.2% Pb), 233 g/t Ag and 0.42% Cu, including

o 5.6m of 16.6% Zn+Pb (8.0% Zn and 8.5% Pb), 370 g/t Ag and 0.86% Cu

o True thickness is estimated to be 90-100% of the intervals noted above and below

• Three Cu-Ag enriched zones were also intersected below the above intercept in the same hole:

o 5.5m of 3.2% Zn+Pb (0.9% Zn and 2.2% Pb), 209 g/t Ag and 0.49% Cu, including

▪ 0.9m of 2.1% Zn+Pb (1.5% Zn and 0.6% Pb), 831 g/t Ag and 2.46% Cu and

o 0.9m of 195 g/t Ag and 0.21% Cu and

o 3.5m of 7.1% Zn+Pb (3.5% Zn and 3.6% Pb), 134 g/t Ag and 0.34% Cu, including

▪ 0.9m of 3.5% Zn+Pb (0.5% Zn and 3.0% Pb), 224 g/t Ag and 0.63% Cu

• These results extend the strike length of the immediate Ballywire discovery corridor from 1,250m

to 1,300m, while demonstrating much thicker mineralization than previously encountered

• This corridor is hosted within a larger 2.6km long trend of robust mineralization pierced by drilling

at Ballywire to date, along a prospective trend of over 6km (defined by four regional gravity-high

anomalies, only one of which has been systematically drill tested to date)

• Today’s elevated Cu-Ag values further substantiate the Company’s ‘deeper Cu -Ag’ target (100-

200m below the Zn-Pb-Ag horizon), currently being drill tested (second hole in progress)

• Three rigs a re turning at Ballywire with over 4,000m of drilling completed year -to-date; Group

Eleven aims to complete 8,000-10,000m in 2025 (fully funded)

“Today’s hole represents our thickest intercept yet at the Ballywire discovery, surpassing our 29 .6

metres of 10.6% Zn+Pb, 78 g/t Ag and 0.15% Cu announced in June 2024,” stated Bart Jaworski, CEO.

“Not only does this intercept extend strike and show exceptional mineralized thickness but also

demonstrates zones of strong copper-silver values. This adds to growing evidence suggesting a deeper

Cu-Ag horizon one to two hundred metres below the main Ballywire discovery horizon. This deeper

target is currently being drilled , with one hole finished and a second started. W e look forward to

releasing these results as soon as assays are available. With three rigs turning each on excellent targets

at Ballywire and a recently announced strengthened cash position of C$4.3 million, Group Eleven is

poised to keep generating shareholder value through the drill bit for the foreseeable future.”

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Exhibit 1. Plan Drill Hole Map of Ballywire Discovery, Showing Hole 25-3552-35

Exhibit 2. Long-Section of 25-3552-35 (50m Step-Out) at Ballywire

Note: Structural interpretation above is preliminary and subject to change with further drilling and compilation

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 5 3 holes drilled and reported by Group Eleven to date, including the most

recent hole (25-3552-35) reported today (see Exhibits 1 to 3).

Drilling at Ballywire continues with three rigs. Currently, eight (8) new holes are completed (and in the

process of being logged, sampled and assayed). Six of these holes are shown in Exhibit 1, with two

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other holes near gravity-high anomaly ‘D’ (located 1.3km to the ENE). Recently strengthened financial

position provides Group Eleven flexibility to either ramp-up drilling in 2025 and/or extend its runway

for drilling well into 2026.

Assays from 25-3552-35 are summarized below (see Exhibit 3). Strong mineralization starts to occur

within the Waulsortian Limestone at 120.6m downhole and continues intermittently until 187.9m, at

which point, mineralization becomes more consistent through to near the base of the Waulsortian

Limestone at 242.9m. Below the Waulsortian Limestone, several horizons of elevated copper-silver

occur. Mineralization consists predominantly of sphalerite, galena and pyrite, with the copper-silver

bearing zones also containing chalcopyrite and suspected tennantite-tetrahedrite.

Exhibit 3. Summary of Assays from 25-3552-35 at Ballywire

Item From

(m)

To

(m)

Int

(m)

Zn

(%)

Pb

(%)

Zn+Pb

(%)

Ag

(g/t)

Cu

(%)

25-3552-35 120.58 121.49 0.91 10.85 2.90 13.75 235.0 0.03

And 148.67 149.62 0.95 16.90 4.05 20.95 69.6 0.02

And 155.22 156.15 0.93 6.16 0.67 6.83 18.5 0.01

And 163.74 177.63 13.89 3.61 0.57 4.17 9.4 0.00

Incl. 173.19 177.63 4.44 5.08 1.14 6.22 18.6 0.01

Incl. 174.98 175.91 0.93 10.20 2.72 12.92 47.1 0.02

And 187.88 241.82 53.94 4.72 3.18 7.89 99.3 0.20

Incl. 202.15 241.82 39.67 5.61 3.85 9.45 131.1 0.27

Incl. 212.55 230.81 18.26 8.89 7.18 16.06 233.1 0.42

Incl. 212.55 224.21 11.66 11.60 9.99 21.59 207.8 0.34

Incl. 221.33 226.96 5.63 8.03 8.54 16.57 370.0 0.86

Incl. 222.32 223.25 0.93 16.20 18.90 35.10 556.0 1.13

And 238.21 241.82 3.61 0.41 0.17 0.58 96.4 0.54

Incl. 240.92 241.82 0.90 0.82 0.55 1.37 223.0 1.27

And 252.32 257.80 5.48 0.94 2.22 3.16 208.8 0.49

Incl. 252.32 254.09 1.77 2.01 3.68 5.69 616.8 1.50

Incl. 252.32 253.20 0.88 1.48 0.63 2.11 831.0 2.46

And 263.23 264.15 0.92 0.01 0.08 0.09 195.0 0.21

And 268.70 272.15 3.45 3.50 3.55 7.06 133.7 0.34

Incl. 271.27 272.15 0.88 0.50 2.99 3.49 224.0 0.63

Note: True thickness of the mineralized interval in hole 25-3552-35, as a percentage of the down-hole interval, is estimated

to be 90-100%

Notes to Exhibit 4: (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 Property’ 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 key assumptions, par ameters 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

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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 resources. ‘Rathdowney Trend’ is the south -

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

Exhibit 4. Regional Map of Ballywire Discovery

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

0.55m to 1. 32m with an average (over 188 samples) of 0.92m . 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.

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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)

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 ( 15.3%) and Glencore Canada Corp. ( 15.2% interest). Additional

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

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: 604-644-9514

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

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)

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

discovery and delineation 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 typically 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 any mineral

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

www.sedar.com and readers are urged to review these materials, including the technical reports filed

with respect to the Company's mineral properties.