Rockfire Resources PLC
09 July 2026
9 July 2026
Rockfire Resources plc
("Rockfire" or the "Company")
Update on the Marengo Goldfield in Queensland, Australia
Rockfire Resources plc (LON: ROCK), the base metal, critical mineral and precious metal exploration company, is pleased to notify the market that Eastern Resources Limited has provided an update of its exploration at the Marengo Goldfield in Queensland, Australia.
Eastern Resources Limited ("Eastern") entered into a binding farm-in agreement with Rockfire on the 29 September 2025 (the "Farm-in"), which sees Eastern sole-funding the exploration at Marengo for the next 3 years, with funding being engaged on direct expenditure on the tenement.
Highlights
· Recently collected rock samples all return anomalous to elevated levels of gold; 20 samples exceed 1.0 g/t Au, 13 exceed 5.0 g/t, with a peak grade of 12.3 g/t Au
· The results, together with historical high-grade rock chip results, confirms gold-silver rich mineralisation close to surface
· High grade gold values such as these enhance the significant potential of the shallow high-grade gold-bearing quartz veins in a district undergoing encouraging development of gold projects.
Latest high-grade rock chip results returned from the Marengo Goldfield include:
· Sample 3017021: 12.30 g/t Au, 9.2 g/t Ag
· Sample 3017027: 8.91 g/t Au, >100.0 g/t Ag
· Sample 3017036: 10.25 g/t Au, 9.9 g/t Ag
· Sample 3017049: 9.43 g/t Au, 3.5 g/t Ag
· Sample 3017053: 8.71 g/t Au, 21.0 g/t Ag
A link to the original announcement by Eastern can be found below:
https://easternresources.com.au/wp-content/uploads/2026/07/High-Grade-Rock-Chip-Results-Marengo.pdf
Principal terms of the joint venture (the "JV")
The Farm-in involves the Marengo Goldfield Project exploration permit EPM25715 in Queensland, Australia.
During the sole funding period, Eastern must keep the Tenements in good order and meet all statutory reporting, rehabilitation and expenditure obligations. This includes meeting the following expenditure on the Tenement (being for exploration and compliance activities):
• within the first 12-month period (Stage One), expend at least AUD $250,000
• within the second 12-month period (Stage Two), expend an additional amount of at least $500,000; and
• within the third 12-month period (Stage Three), expend an additional amount of at least $750,000
This results in a total expenditure of AUD$1,500,000 to the end of Stage Three.
On meeting expenditure in each Stage, Rockfire will:
• at the completion of Stage One, transfer a 20% interest in the Tenement;
• at the completion of Stage Two, transfer an additional 31% interest in the Tenement; and
• at the completion of Stage Three, transfer an additional 29% interest in the Tenement.
This results in a total of 80% transfer of interest in the Tenement once all of the expenditure has been made.
The broad outline of the JV Agreement (to be subsequently signed) allows for the following:
• Once Eastern has achieved an 80% equity in Marengo, the parties will continue to fund the project jointly on a pro-rata basis in accordance with a JV Agreement to be finalised.
• Eastern shall pay AUD$1 million to Rockfire in cash or Eastern shares at Eastern's option, upon Eastern announcing a JORC Mineral Resource Estimate (the "MRE") of at least 500,000 ounces of gold, with a minimum average grade of 2.5 grams per ton Au. If Eastern elects to issue shares, the value will be at the 30 day VWAP for such shares at the time of announcement.
For further information on the Company, please visit www.rockfireresources.com or contact the following:
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Rockfire Resources plc |
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David Price, Chief Executive Officer |
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Allenby Capital Limited (Nominated Adviser & Broker): |
Tel: +44 (0) 20 3328 5656 |
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John Depasquale / Ashur Joseph (Corporate Finance) |
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Matt Butlin / Kelly Gardiner (Sales and Corporate Broking) |
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CMC Markets UK Plc (Joint Broker) |
Tel: +44 (0)20 3003 8632 |
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Douglas Crippen |
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Oak Securities (Joint Broker) |
Tel: +44 (0) 20 3973 3678 |
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Jerry Keen / Robert Bell |
Qualified Person Statement
The information in this release that relates to Exploration Results related to Eastern Resources Limited Marengo Gold Project on 9-7-2026 is based on information prepared by Dr Simon Beams, a full-time employee of Terra Search Pty Ltd geological consultants to Eastern Resources Limited.
Dr. Beams has BSc Honours and PhD degrees in geology; he is a Member of the Australasian Institute of Mining and Metallurgy (Member #107121) and a Member of the Australian Institute of Geoscientists (Member 2689). Dr. Beams has sufficient relevant experience in respect to the style of mineralization, the type of deposit under consideration and the activity being undertaken to qualify as a Competent Person within the definition of the 2012 Edition of the Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves ("JORC Code).
Dr. Beams consents to the inclusion in the report of the matters based on this information in the form and context in which it appears.
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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