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Stonepark Zinc Project – Operations Update
Arkle Resources PLC notes that Group Eleven Resources Corp. is commencing an imminent four-hole, 2,700-meter drill program at the Stonepark Zinc Project, where Arkle holds a 22.36% interest. Arkle has elected not to fund this phase, leading to a fractional decrease in its stake to an estimated 21.38%, though it retains the option to participate in future drilling. The program includes testing beneath known mineralization for copper at the Stonepark deposit, and at the Kilteely and Bruff prospects. This drilling is part of a larger 15,500-meter program, and Arkle is prioritizing its uranium exploration in Namibia. Disclaimer*
About this update from Arkle Resources Plc
This announcement replaces RNS 7911A released at 11:28 which should have stated: "Arkle Resources PLC (LSE:ARK), the energy metals explorer with a key focus on uranium, is pleased to note the announcement today by Group Eleven Resources Corp…". There are no material changes to the announcement. 16 April 2026 Arkle Resources PLC ("Arkle" or the "Company") Stonepark Zinc Project - Operations Update Group Eleven to Mobilise a Rig at Stonepark Zinc Project Imminently for four-hole, 2,700 m Drill Programme Phase Arkle Resources PLC (LSE:ARK), the energy metals explorer with a key focus on uranium, is pleased to note the announcement today by Group Eleven Resources Corp. (TSX.V: ZNG; OTCQB: GRLVF; FRA: 3GE) ("Group Eleven"), that it is mobilising a drill rig to the Stonepark Zinc Project ("Stonepark") (Arkle: 22.36%) this week. A four-hole drill programme totalling 2,700 m is planned, comprising: one hole at the Stonepark deposit (5.1 Mt grading 11.3% combined Zn and Pb (8.7% Zn, 2.6% Pb), testing beneath known Zn-Pb mineralisation for possible Cu mineralisation; one hole at the Kilteely prospect; and two holes at or near the Bruff prospect. One hole (25-449-04) was drilled late last year at the Bruff prospect to a depth of 480 m. This hole tested the base of the Waulsortian Limestone near a suspected fault structure. A significant zone of blocky calcite was intersected from 194 m to 200 m with a brecciated lower contact, while minor disseminated pyrite was observed in the 10 m above the base of the Waulsortian Limestone at 445 m. While assays (recently received by Group Eleven) did not return anomalous grades, Group Eleven considers the hole is encouraging as it shows a geological environment prospective for Irish-type zinc mineralisation (i.e. calcite zones, brecciation and sulphides). This imminent four-hole programme is part of an expanded Stonepark drilling programme of approximately 15,500 m, as announced by Group Eleven on 12 March 2026. In prioritising current exploration capital towards the Company's Namibia uranium projects, Arkle has elected not to participate in funding this particular phase of Stonepark drilling. As a result, Arke's interest in Stonepark is estimated to decrease fractionally from 22.36% to 21.38% (subject to cost actuals after fieldwork completion). Arkle retains the option to participate financially i...
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