REG - Arkle Resources PLC - Stonepark Zinc Project - Drilling Update

Arkle ResourcesAnnouncement

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RNS Number : 6177W  Arkle Resources PLC  13 March 2026

13 March 2026

Arkle Resources PLC

("Arkle" or the "Company")

Stonepark Zinc Project - Drilling Update

 

Group Eleven Intends to Drill 15,500 Metres at Stonepark - An Advanced Stage
High-Grade Deposit in Europe's Most Prospective Zinc District in Which Arkle
Holds 22.36%

 

Arkle Resources PLC (AIM: ARK), the energy metals explorer with a key focus on
uranium, is pleased to note the announcement yesterday by Group Eleven
Resources Corp. (TSX.V: ZNG; OTCQB: GRLVF; FRA: 3GE) ("Group Eleven"), that it
intends to expand drilling at the Stonepark Zinc Project ("Stonepark") from
approximately 3,000 m to approximately 15,500 m.

Group Eleven is the Operator of Stonepark in which Arkle holds a 22.36%
interest.

Arkle co-discovered the Stonepark zinc deposit in County Limerick - now
Ireland's second largest undeveloped resource - in a joint venture with Teck
Ireland. Teck Ireland's interest was acquired by Group Eleven. Group Eleven
(in which Glencore is a 13% shareholder) continues to advance the project
alongside Arkle.

Whilst Arkle's core focus in on its uranium exploration opportunity in
Namibia, zinc is a critical and strategic mineral primarily used for
galvanising steel and iron, as well as playing an increasingly important role
in energy storage and renewable energy systems among many other industrial
uses. As such, Arkle's Board considers its interest in one of Europe's most
prospective zinc projects to be an additional opportunity for significant
value creation for shareholders.

Stonepark Zinc Project

Stonepark is formed of five contiguous prospecting licences covering an area
of 148 km² and is adjacent to Glencore's Pallas Green zinc project, one of
the world's largest undeveloped zinc-lead deposits at 45.4 Mt.

Stonepark has an Inferred Mineral Resource of 5.1 Mt grading 11.3% combined
zinc and lead (8.7% Zn, 2.6% Pb) - and the deposit remains open along and
across strike. It is higher grade and shallower (190-395 m depth) than the
neighbouring Pallas Green deposit (8.4% Zn+Pb).

Ireland is ranked number one in the world for zinc discovered per square
kilometre. It is home to some of the world's largest and highest-grade zinc
deposits, including Tara (120 Mt+ mined since 1977, Europe's largest zinc
mine), Lisheen (22.3 Mt at 11.7% Zn), and Galmoy (8Mt at 12% Zn).

Six zinc mines have been permitted and operated over the past 60 years, and
every major Irish zinc discovery has been profitably mined. Majors active in
Ireland include Boliden and Glencore.

The joint venture's thesis is that the Carrickittle area within the Stonepark
project may host a "mirror image" of the mineralising system that created
Glencore's adjacent Pallas Green deposit on the opposite side of the Limerick
Volcanic Complex.

In 2022, drilling at Carrickittle West intersected the first major fault
structure directly drilled in the Limerick region - a fault with 150 m of
vertical displacement and zinc mineralisation on both sides.

Three follow-up holes were drilled on Stonepark ground in late 2024, totalling
1,372 m at depths of 350-550 m. Results released in 2025 demonstrated
proximity to strong mineralisation.

Group Eleven's recent focus has been on nearby exploration at its Ballywire
prospect (on a wholly owned Group Eleven licence, southeast of Stonepark)
indicating high-grade zinc-lead-silver mineralisation over a 2.6 km trend that
remains open in all directions.

Group Eleven plans step-out drilling around the known resource at Stonepark as
well as a follow-up drill programme on the Carrickittle West prospect (within
the Stonepark licence) and its announced intention to drill approximately
15,500 m at Stonepark is welcomed by Arkle's Board.

Group Eleven's announcement can be found here:
https://www.groupelevenresources.com/news/news/2026/index.php?content_id=207
(https://www.groupelevenresources.com/news/news/2026/index.php?content_id=207)
.

Rory Harding, Interim Chief Executive Officer, commented:

"We are pleased to see Group Eleven shifting serious focus to Stonepark with
an intention to drill around 15,500 metres.  In June 2025, Group Eleven's
Chief Executive Officer stated he regards Carrickittle West as one the best
drill targets in Ireland and so it is incredibly exciting that it has now
signalled its intention to drill approximately 15,500 metres which could add
considerable value to Arkle's interest in Stonepark."

Contacts:

 Arkle Resources

 Rory Harding, Interim CEO   +44 (0)20 3051 5348

 John Teeling, Chairman      +353 (0) 1 833 2833

 SP Angel Corporate Finance  Nominated Adviser & Joint Broker
 Matthew Johnson

                           +44 (0)20 3470 0470
 Charlie Bouverat

 Adam Cowl

 First Equity Limited        Joint Broker

 Jason Robertson             +44 (0)20 7374 2212

 Vigo Consulting             UK Media & IR
 Ben Simons                  +44 (0)20 7390 0234

 Seb Weller                  arkle.ir@vigoconsulting.com (mailto:arkle.ir@vigoconsulting.com)

 Teneo                       Ireland Media

 Luke Hogg                   +353 (0) 1 661 4055

 Molly Mooney

 

About Arkle Resources

Arkle Resources PLC (LSE:ARK) is a multi-commodity exploration company focused
on metals which are essential for the generation and storage of clean energy -
uranium, lithium and zinc. Its projects are in premier mining jurisdictions in
Namibia, Botswana and Ireland, adjacent to world-class deposits.

Founded in 2004 by John Teeling and Jim Finn, the Company co-discovered the
Stonepark zinc deposit in County Limerick - now Ireland's second largest
undeveloped resource - in joint venture with Teck Ireland. Teck's interest was
acquired by Group Eleven Resources (TSX-V: ZNG), who continue to advance the
project alongside Arkle.

In January 2026, the Company announced a transformative deal to acquire
Namibia Uranium, which has introduced four highly prospective uranium licences
contiguous to major producing and development assets in what is a world-class
uranium jurisdiction.

This acquisition, alongside the Company's existing licence portfolio and the
introduction of new management, repositions Arkle to become a leading explorer
in energy metals.

For more information visit: www.arkleresources.com
(http://www.arkleresources.com)

Follow us on social media:

www.x.com/ArkleResources (http://www.x.com/ArkleResources)

www.linkedin.com/company/arkle-resources-plc
(http://www.linkedin.com/company/arkle-resources-plc)

 

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