Rockfire Resources Regulatory News (ROCK)

11 September 2025

Rockfire Resources plc

("Rockfire" or the "Company")

Resource Upgrade Drilling to Commence at Molaoi

Rockfire Resources plc (LON: ROCK), the base metal, critical mineral and precious metal exploration company, is pleased to confirm that diamond drilling to upgrade the resource at the company's 100%-owned Molaoi zinc deposit in Greece will commence on Monday 15th September.

· The drilling rig has arrived on site and will be positioned on the pad over the weekend in preparation for drilling on Monday 15th September

· Upgrade from JORC Inferred to Indicated category expected on completion

· Maiden germanium Inferred resource expected on completion

· 30 drill holes planned

· Hole depths vary from 200m to 450m

· Total metres expected to be drilled is approximately 10,000m

· Results for each hole will be released as they are received from the laboratory

· Drilling is expected to be continuous until at least February 2026

David Price, Chief Executive Officer of Rockfire, commented:

"It is with great pleasure that we announce the restart of drilling at Molaoi. I would like to thank shareholders for their patience throughout the permitting process."

"I would also like to thank our drilling contractors, Geotest Consulting Engineers in Athens, who have pulled out all the stops to remobilise a rig from elsewhere in Europe to be available for Molaoi by the 15th of September, as promised."

"The board and Management look forward to bringing you a flow of good news as our drilling advances."

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