Rockfire Resources: Molaoi Update

Rockfire Resources PLC

20 October 2026

 

20 October 2026

Rockfire Resources plc

("Rockfire" or the "Company")

Molaoi update - wide, strong grades intersected at HMO-021

Rockfire Resources plc (LON: ROCK), the base metal, critical mineral and precious metal exploration company, is pleased to provide the market with a drilling and operational update from Rockfire’s 100%-owned Molaoi zinc deposit in Greece.

Highlights

• Laboratory results from hole HMO-021 have been received. Multiple zinc intervals were encountered including a considerable zone of 11m width.

• 11m @ 5.0% Zn, 19g/t Ag and 8g/t Ge (7.7% ZnEq) from 238.00m downhole depth (including 1.4m @ 18.1% Zn, 70g/t Ag and 20.5g/t Ge)

• 3.1m @ 6.0% Zn, 25g/t Ag and 9.5g/t Ge from 271.86m downhole depth

• 2.0m @ 5.2% Zn, 19.2g/t Ag and 18.6g/t Ge from 310.00m downhole depth (including 0.53m @ 19% Zn, 56g/t Ag and 50g/t Ge)

• An interval within the 11m zone encountered 0.34m @ 51.1% Zn, 222g/t Ag, 35.4g/t Ge and 2.4% Pb, which equates to 72.3% ZnEq. This is the highest individual zinc grade ever encountered in laboratory analysis results from Molaoi. (Zn – US$3,732/t, Pb – US$1,902/T, Ag – US$1.80/g, Ge – US$10/g)

• A maiden JORC Inferred germanium mineral resource estimation is well underway.

• The Company has been updated on the arrival of its new drilling rig by Epiroc. The rig is now due to arrive at Piraeus Port in Athens on 13 November 2026, earlier than the 18 November 2026 arrival date announced by the Company on 16 September 2026.

• Upon its arrival in Piraeus Port, the new drilling rig will need to go through a number of standard procedures including customs clearance, transport to Molaoi, a detailed mechanical and safety inspection for certification for use in Greece and vehicle registration.

• Diamond drilling to upgrade the mineral resource from Inferred to Indicated continues, with hole HMO-022 still in progress.

• Portable XRF readings so far from hole HMO-022 include individual values of 44.6% Zn, 40% Zn and 36.8% Zn. The highest silver reading so far is 72g/t Ag at a depth of 238m downhole.

• The Company has commissioned a drone-hosted aerial magnetic survey to cover the entire licence area. The magnetics are expected to highlight geological faults to help understand any mineralisation offsets which may occur throughout the resource.

The cleanliness of the pXRF machine was established by measuring a BLANK reference material (a translucent quartz crystal) at the beginning of each day. A Certified Reference Material (CRM) specific to volcanic-hosted massive sulphide Zn-Pb-Cu-Ag-Au ore (OREAS 620) was measured for accuracy/precision of the pXRF machine with a reading taken at the beginning of each day. pXRF readings are preliminary and indicative only and are not a substitute for laboratory assays. Laboratory analysis will be undertaken.

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Drill hole location map within the Molaoi Licence.

David Price, Chief Executive Officer of Rockfire, commented:

“The interval of mineralisation drilled in hole HMO-021 is exceptional and we are very pleased to be getting such broad intervals of massive and semi-massive mineralisation. Importantly, the silver and germanium by-products are also strong, adding considerable value to any future concentrated product. Each drill hole continues to build resource tonnage and confidence in the mineralisation model.

The revised delivery date of our drilling rig into Athens is exciting and the Company is looking forward to its arrival. There will be a period of customs clearance, certification inspection, registration for use in Greece and testing of the new equipment. This is all necessary, despite a delay in drilling, using the new rig. However, the Company has committed to a further contract with our drilling contractors in Athens to ensure drilling remains continuous throughout this period.

The market will continue to be informed and updated as we advance the Molaoi Project.”

ENDS

For further information on the Company, please visit www.rockfireresources.com or contact the following:

Qualified Person Statement

The technical information in this announcement is based on information compiled by Mr David Price, the Chief Executive Officer of Rockfire Resources plc, who is a Fellow of the Australasian Institute of Mining and Metallurgy (F.AusIMM). Mr Price has sufficient experience relevant to the style of mineralisation and type of deposit under consideration and to the activity which has been undertaken to qualify as a "Qualified Person" in accordance with the AIM Rules Guidance Note for Mining and Oil & Gas Companies. Mr Price consents to the inclusion in the announcement of the matters based on their information in the form and context in which it appears.

Glossary

Notes to Editors

Rockfire Resources plc (LON: ROCK) is a gold, base metal and critical mineral exploration company, with a high-grade zinc/lead/silver/germanium deposit in Greece and a portfolio of gold/copper/silver projects in Queensland Australia.

• The Molaoi deposit in Greece has a JORC Inferred Mineral Resource of 15.0 million tonnes @ 7.26% Zn, 1.75% Pb and 39.50g/t Ag, for 1.5 million tonnes of ZnEq. metal. This resource uses a 4% low-grade cut, and equates to 1.09 million tonnes of zinc, 260,000 tonnes of lead and 19.1 million ounces of silver. Molaoi is also reported under the UNFC Code with classification E2, F2.1, G3 for Zn, Ag, and Pb, and E3.2, F3.1, G4.1 for Ge.

• The Plateau deposit in Queensland has a JORC Inferred Resource of 131,000 ounces of gold and 800,000 ounces of silver, using a 0.5g/t Au cut off. 53,000 of these ounces lie within the top 100m from surface. Plateau is subject to a farm-in by ASX-listed Sunshine Metals Ltd (ASX:SHN).

• The Marengo prospect in Queensland hosts high-grade gold, silver and copper within an historic goldfield, which is entirely under licence by Rockfire. Marengo is subject to a farm-in by ASX-listed Eastern Resources Ltd (ASX:EFE).

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