Gold–Copper Mineralisation Confirmed at Red Setter

Wishbone Gold PLC

16 March 2026

 

This announcement contains inside information for the purposes of Article 7 of the Market Abuse Regulation (EU) 596/2014 as it forms part of UK domestic law by virtue of the European Union (Withdrawal) Act 2018 ("MAR"), and is disclosed in accordance with the Company's obligations under Article 17 of MAR

16 March 2026

Wishbone Gold Plc

("Wishbone" or the "Company")

London AIM & Aquis: WSBN

Red Setter

Gold-Copper Mineralisation Confirmed Along 4km Diorite Trend

 9,000m Fully Funded Drill Programme Planned for 2026

Wishbone Gold Plc is pleased to provide an exploration update from its Red Setter Project in the Paterson Province of Western Australia, located 20km south-west of Greatland Gold Plc's (AIM and ASX: GGP) Telfer gold mine, and 50km east of Cyprium Metals Ltd's (ASX: CYM) Nifty copper mine (Figure 1).

Results from the Company's 2025 drilling campaign confirm the presence of gold and copper mineralisation within the Red Setter diorite trend, which extends for approximately 4 kilometres. These assay results further support the potential for the project to host a large-scale mineralised system within one of Australia's most prospective gold-copper provinces.

For 2026 the Company has designed a 25 hole drilling programme of approximately 9,000 metres to follow up on these encouraging results and to test extensions of the mineralised system. The Company is well funded for the 2026 drill programme and is actively working with its geological teams to mobilise the drilling crews to site as soon as practicable once the rainy season ends in April.  

Ed Mead, Wishbone Gold WA director, commented:

"The gold and copper assay results from the 2025 drilling programme are consistent with previous results from Red Setter and highlight the potential of the Red Setter system to host significant mineralisation along the approximately 4-kilometre strike length of the diorite intrusion.

We appreciate that publishing these results has taken longer than expected however, with a streamlined drilling approach and improved assay turnaround times planned for the 2026 programme, we expect to generate more regular exploration updates as we continue to advance the exciting Red Setter Project."

Richard Poulden, Wishbone Gold's Chairman, commented:

"Red Setter continues to demonstrate the hallmarks of a significant gold-copper system. With approximately 4 kilometres of prospective strike yet to be systematically drilled, we believe the project has the potential to host a substantial mineralised system.

The planned 9,000 metre drilling programme in 2026 will be the largest undertaken at Red Setter to date and is designed to rapidly advance our understanding of the scale and continuity of the mineralisation."

Highlights

·      Gold-copper mineralisation confirmed along ~4 km strike length of the Red Setter diorite trend.

·      Significant intercepts from the 2025 drilling programme (Figure 2 and 3) included:

·      8.36m at 1.09 g/t Au and 0.05% Cu from 305m                           (25RSDD003)

§ Including 6.13m at 1.47 g/t Au and 0.06% Cu from 305m

·      5.76m at 0.66 g/t Au and 0.4% Cu from 149m                            (25RSDD006)

·      4.05m at 0.23 g/t Au and 0.39% Cu from 126m                           (25RSDD007)

§ Including 0.6 m at 1.2 g/t Au and 2.46% Cu

·      2m at 2.3% Cu from 185m                                                         (25RSRC002)

·      Results are consistent with previous drilling, including (Figure 2 and 3):

§ 18m at 0.49g/t Au and 0.004% Cu from 308m                             (WRSDD015)

§ Including 5m at 1.2g/t Au and 0.002% Cu from 319m

§ 14m at 1.0g/t Au and 0.2% Cu from 266m, including                   (WRSDD008)

§ 7m at 2g/t Au and 0.38% Cu from 273m

§ 1m at 6.4g/t Au and 0.69% Cu from 273m

§ 25m at 0.28g/t Au and 0.11% Cu from 195m, including                (WRSDD006)

§ 1m at 5.4g/t Au and 0.26% Cu from 198m

§ 1m at 6.48g/t Au and 15 ppm Cu from 246m                              (WRSDD009)

·      Mineralisation occurs within altered zones of the Red Setter diorite intrusion and associated breccia zones, indicating a large mineralised hydrothermal system.

·      Mobile Magnetotelluric (Mobile MT) geophysics has improved understanding of the project's structural setting.

·      Focus has now returned to the main diorite trend where drilling has consistently intersected gold and copper mineralisation.

·      25 hole drill programme (9,000m) planned for 2026 targeting extensions to the mineralised trend.

Additional information from 2025 drilling programme

The 2025 drilling programme consisted of seven drillholes, including five diamond drillholes targeting the main diorite trend and two drillholes testing a Mobile MT geophysical target.

Drilling within the diorite intrusion successfully intersected multiple zones of gold and copper mineralisation, confirming the presence of a significant hydrothermal system within the intrusion and surrounding alteration halos.

Structural logging indicates that mineralisation occurs in multiple orientations associated with sulphide-bearing vein systems, with alteration intensity increasing with depth, accompanied by higher gold and copper grades.

The results confirm that the Red Setter diorite trend hosts widespread mineralisation across a strike length of approximately 4 kilometres, which remains largely untested by drilling.

2026 drilling programme details

A 25-hole drill programme totalling approximately 9,000 metres has been designed to:

·      Test extensions of known gold-copper mineralisation

·      Evaluate continuity along the 4km diorite trend

·      Improve understanding of structural controls on mineralisation

·      Target zones of strongest alteration and sulphide mineralisation

Drilling will utilise reverse circulation pre-collars followed by diamond core tails, targeting depths of up to 400 metres.

Figure 1: WSBN Red Setter Project (Red) and Exploration Tenement applications (Blue) immediately surrounding the Telfer Mine, with new access road application to Nifty Copper Mine

Figure 2: WSBN Red Setter plan view of all drilling, significant intercepts, highlighting the current area of interest and 2026 proposed drilling. Base plan is 3DM shapes generated in Leap Frog software using Copper Equivalent % (CuEq%.) (Prices USD: Cu $5.85/lb, Au $5,170/oz → factor ≈ 1.29, CuEq % ≈ Cu% + (Au ppm × 1.29)). See long section line in Figure 3.

Figure 3: WSBN Red Setter long section view of all drilling, highlighting the current area of interest and 2026 proposed drilling. 3DM shapes generated in Leap Frog software using Copper Equivalent % (CuEq%.) (Prices USD: Cu $5.85/lb, Au $5,170/oz → factor ≈ 1.29, CuEq % ≈ Cu% + (Au ppm × 1.29))

Figure 4: WSBN Red Setter compilation figure.

END

For more information on Wishbone, please visit the Company's website.

www.wishbonegold.com.

For further information, please contact:

Wishbone Gold PLC
Richard Poulden, Chairman	Tel: [phone]
Beaumont Cornish Limited
(Nominated Adviser and AQUIS Exchange Corporate Adviser)
Roland Cornish/Rosalind Hill Abrahams	Tel: [phone]
Cranborne Communications Ltd
George Hudson	Tel: [phone]

Beaumont Cornish Limited ("Beaumont Cornish") is the Company's Nominated Adviser and is authorised and regulated by the FCA. Beaumont Cornish's responsibilities as the Company's Nominated Adviser, including a responsibility to advise and guide the Company on its responsibilities under the AIM Rules for Companies and AIM Rules for Nominated Advisers, are owed solely to the London Stock Exchange. Beaumont Cornish is not acting for and will not be responsible to any other persons for providing protections afforded to customers of Beaumont Cornish nor for advising them in relation to the proposed arrangements described in this announcement or any matter referred to in it.

Competent Persons Statement

The Information in this report that relates to exploration results, mineral resources or ore reserves is based on information compiled by Mr Edward Mead, who is a Fellow of the Australasian Institute of Mining and Metallurgy. Mr Mead is a director of Wishbone Gold WA Pty Ltd and is a consultant to Wishbone Gold Plc and employed by Doraleda Pty Ltd. Mr Mead has sufficient experience which is relevant to the style of mineralisation and type of deposits under consideration and to the activity that he is undertaking to qualify as a Competent Person as defined in the 2012 edition of the `Australian Code for Reporting Exploration Results, Mineral Resources and Ore Reserves' (the JORC Code). Mr Mead consents to the inclusion of this information in the form and context in which it appears in this report.

Appendix 1: All Significant Drill Results for Red Setter

2025 Drilling

·      5m at 0.16 g/t Au from 168m                                                                  25RSRC001

o  Including 1m at 0.37 g/t Au from 168m                                       25RSRC001

·      1m at 0.13 g/t Au and 0.52 % Cu from 193m                                         25RSRC001

·      4m at 0.08 g/t Au and 0.24 % Cu from 204m                                         25RSRC001

·      9.71m at 0.06 g/t Au and 0.1 % Cu from 209.1m                                   25RSDD005

o  Including 2.9m at 0.01 g/t Au and 0.18 % from 209.1m             25RSDD005

o  Including 1.12m at 0.15 g/t Au and 0.34% Cu from 214.95m     25RSDD005

·      2m at 0.81 % Cu and 0.26 g/t Au from 102m                                         25RSRC002

·      2m at 0.29 g/t Au from 122m                                                                  25RSRC002

·      2m at 2.3 % Cu and 0.08 g/t Au from 185m                                           25RSRC002

·      4m at 0.004 g/t Au and 0.20 % Cu from 243m                                       25RSRC002

·      5m at 0.36 g/t Au from 126m                                                                  25RSRC004

·      4m @ 0.25 g/t Au from 26m                                                                   25RSRC007

·      1m at 0.56 g/t Au from 262.76m                                                             25RSDD003

·      8.36m at 1.09 g/t Au from 304.80m                                                        25RSDD003

o  Including 6.13m at 1.47 g/t Au from 304.8m                           25RSDD003

·      5.76m @ 0.66 g/t Au and 0.4% Cu from 148.84m                                         25RSDD006

·      1.43m at 0.76 % Cu and 0.15 g/t Au from 191m                                    25RSDD006

·      1.97m at 0.39 g/t Au from 269.03m                                                        25RSDD006

·      5.35m at 0.036 g/t Au and 0.23 % Cu from 115m                                  25RSDD007

·      4.05m at 0.23 g/t Au and 0.39% Cu from 125.95m                                25RSDD007

o  Including 0.6 m at 1.2 g/t Au and 2.46 % Cu

Previous Drilling

·      1m at 0.76g/t Au from 335m                                                                   WRSDD002

·      3m at 0.31g/t Au from 395 m                                                                  WRSDD003

·      2m at 1.44 g/t Au from 494m                                                                  WRSDD003

·      1m at 0.62 g/t Au from 118m                                                                  WRSDD004

·      1m at 0.78 g/t Au from 165m                                                                  WRSDD004

·      1m at 1.26 g/t Au from 317m                                                                  WRSDD004

·      21m at 0.33g/t Au and 0.11% Cu from 198m                                          WRSDD006
Including 1m at 5.4g/t Au and 0.26% Cu from 198m

·      3m at 1.98 g/t and 0.27% Cu from 395m                                                WRSDD006

·      1m at 0.7 g/t Au from 171m                                                                    WRSDD008

·      11m at 1.33g/t Au and 0.27% Cu from 269m                                          WRSDD008
Including 7m at 2g/t Au and 0.38% Cu from 273m
And 1m at 6.4g/t Au and 0.69% Cu from 273m

·      1m at 0.94 g/t Au and 0.15 % Cu from 75m                                           WRSDD009

·      1m at 0.37 g/t Au from 81m                                                                    WRSDD009

·      1m at 1.12 g/t Au from 156m                                                                  WRSDD009

·      3m at 0.82 % Cu and 0.18g/t Au from 166m                                          WRSDD009
Including 1m at 2.27 % Cu and 0.27 g/t Au from 166m

·      1m at 6.48g/t Au from 246m                                                                  WRSDD009

·      1m at 0.74 g/t Au and 0.11% Cu from 88m                                            WRSDD010

·      7m at 0.58 g/t Au from 117m                                                                  WRSDD011

Including 1m at 3.2g/t Au from 122m

·      1m at 0.88 g/t Au from 152m                                                                  WRSDD011

·      1m at 0.74 g/t Au from 327m                                                                  WRSDD013

·      1.35m at 0.26 g/t Au from 474m                                                             WRSDD014

·      2.3m at 0.24 g/t Au and 0.13 % Cu from 487.7m                                   WRSDD014

·      4m at 0.38 g/t from 535m                                                                       WRSDD014

·      1m @ 3.73 g/t Au and 0.1% Cu from 191m                                           WRSDD015

·      6m at 0.38 g/t Au from 243m                                                                  WRSDD015

·      3m at 0.51 g/t Au and 0.1% Cu from 282m                                            WRSDD015

·      18m @ 0.49g/t Au from 308m                                                                WRSDD015
Including 5m at 1.2g/t Au from 319m

·      1m at 0.68 g/t Au from 337m                                                                  WRSDD015

·      1m at 0.40 g/t Au and 0.56% Cu from 384m                                          WRSDD016

·      1m at 1.08 g/t Au from 405m                                                                  WRSDD016

 

END