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RUMBLE RESOURCES LIMITED M&A Activity 2026

May 14, 2026

65736_rns_2026-05-14_a915f5ea-57e6-4948-90b1-85920268af62.pdf

M&A Activity

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RUMBLE RESOURCES LTD

ASX ANNOUNCEMENT

15 May 2026

Sale of Lamil Project to Aventine Resources

Key points

  • Rumble and AIC Mines have entered into a Tenement Sale Agreement for the sale of a 100% interest in E45/5271, the Lamil Joint Venture, to Aventine Resources Limited
  • Total consideration is cash of A$500,000, Aventine shares to a value of A$600,000 and an aggregate 1% net smelter return royalty
  • Rumble will receive A$250,000 in cash, Aventine shares to a value of A$300,000 and a 0.5% net smelter return royalty
  • Completion is conditional on satisfaction of certain conditions precedent including heritage assignment steps and ASX and IPO-related confirmations by Aventine

Peter Harold, Managing Director and CEO commented:

"Given our priorities are to (1) bring the Western Queen gold and tungsten project into production ASAP (2) optimise the Earaheedy flowsheet to produce a separate zinc concentrate and a silver rich lead concentrate ahead of completing the resource to reserve drilling and a bankable feasibility study and (3) advance the Munarra Gully and Thunderstorm Au and Cu projects, we do not have the capacity to progress some of our other projects in a timely manner.

Consequently, we have decided to divest some of our non-core exploration projects and the Lamil joint venture is the first of those divestments. The deal we have announced with Aventine is a win-win for our shareholders and the Aventine shareholders and we wish Aventine every success with their future exploration endeavours at Lamil."

Rumble Resources Limited (ASX: RTR) ("Rumble" or the "Company") provides details of the sales of its 50% interest in the Lamil joint Venture.

Details of the proposed transaction

Rumble and its joint venture partner, AIC Mines Limited (ASX: A1M) ("AIC") have agreed to sell their respective interests in Exploration Licence E45/5271 (the "Lamil Project") pursuant to a Tenement Sale Agreement between Aventine Resources Ltd ("Aventine"), Rumble and AIC.

Under the Tenement Sale Agreement, Aventine will acquire a 100% legal and beneficial interest in the Exploration Licence E45/5271 and associated geological information, in return both Rumble and AIC will each receive cash of A$250,000, Aventine shares to a value of A$300,000 (calculated using a deemed issue price equal to the Aventine IPO share price) and a 0.5% net smelter return royalty.

Completion is conditional on satisfaction of certain conditions precedent (including heritage assignment steps and ASX and IPO-related confirmations by Aventine) and is expected to occur five business days after those conditions are satisfied (or as otherwise agreed).

Rumble Resources Limited

ASX: RTR

ABN 74 148 214 260

www.rumbleresources.com.au

T: +61 8 6555 3980

E: [email protected]

Head Office

Level 1, 16 Ord St

West Perth, Western Australia 6005


RUMBLE RESOURCES LTD

About Aventine Resources Limited

Aventine is a private gold-copper exploration company focused on building a significant new discovery platform within the highly prospective Paterson Province of Western Australia, one of Australia's premier mineral districts.

Aventine is assembling a large, strategically positioned landholding in close proximity to tier one gold-copper operations, underpinned by a proven management team with a strong track record of value creation, established industry partnerships and a clear, disciplined exploration strategy designed to unlock district-scale potential.

The Company was founded on the acquisition of high-quality projects from Greatland Resources (ASX: GGP) and is actively progressing further acquisitions to expand its footprint in the Paterson Province to approximately 1,800km². Aventine's tenements are located near several of Australia's most significant gold-copper deposits, including Telfer, Havieron, Winu and Minyari Dome, and the region remains underexplored with compelling potential for new discoveries.

Benjamin Dunn, Managing Director of Aventine Resources, commented:

"We would like to thank Rumble and AIC for the opportunity to acquire the Lamil Project, which represents an excellent strategic fit within Aventine's growing Paterson Province portfolio.

Lamil complements our existing landholding and reinforces our strategy of assembling high-quality exploration ground in proximity to some of Australia's most significant gold and copper discoveries. We believe the Paterson remains one of the most prospective underexplored mineral provinces globally and we look forward to our technical team led by Allan Kneeshaw and Rod King working to unlock another Nifty-style copper or Havieron-style gold discovery."

"We also appreciate the constructive and collaborative approach taken by the Rumble and AIC teams throughout the transaction process and look forward to progressing exploration at Lamil following completion."

Subject to regulatory approvals, Aventine intends to undertake an initial public offering and seek admission to the ASX in June 2026, positioning Aventine to accelerate exploration and deliver shareholder value through systematic, discovery-driven growth.

Authorisation

This announcement is authorised for release by the Board of the Company.

-Ends-

For further information visit www.rumbleresources.com.au or contact [email protected]

Peter Harold Peter Venn Trevor Hart
Managing Director & CEO Technical Director Chief Financial Officer
Rumble Resources Limited Rumble Resources Limited Rumble Resources Limited

Rumble Resources Limited

ASX: RTR

ABN 74 148 214 260

www.rumbleresources.com.au

T: +61 8 6555 3980

E: [email protected]

Head Office

Level 1, 16 Ord St

West Perth, Western Australia 6005


RUMBLE RESOURCES LTD

About Rumble

Rumble Resources Ltd is an Australian based exploration company, listed on the ASX in July 2011. Rumble was established with the aim of adding significant value to its selected mineral exploration assets and to search for suitable mineral acquisition opportunities in Western Australia.

Rumble has a unique suite of resources projects including the Western Queen Gold and Tungsten Project which is being developed to deliver near term cash flow from the existing resources and resource growth through future exploration success. In addition, the discovery of the Earaheedy Zn-Pb-Ag Project has demonstrated the capabilities of the exploration team to find world class orebodies.

Previously Reported Information

The information in this report that references previously reported exploration results is extracted from the Company's ASX market announcements released on the date noted in the body of the text where that reference appears. The previous market announcements are available to view on the Company's website or on the ASX website (www.asx.com.au). The Company confirms that it is not aware of any new information or data that materially affects the information included in the original market announcements. The Company confirms that the form and context in which the Competent Person's findings are presented have not been materially modified from the original market announcements.

Disclaimer

This report contains certain forward-looking statements and forecasts, including possible or assumed reserves and resources, production levels and rates, costs, prices, future performance or potential growth of Rumble Resources Ltd, industry growth or other trend projections. Such statements are not a guarantee of future performance and involve unknown risks and uncertainties, as well as other factors which are beyond the control of Rumble Resources Ltd. Actual results and developments may differ materially from those expressed or implied by these forward-looking statements depending on a variety of factors. Nothing in this report should be construed as either an offer to sell or a solicitation of an offer to buy or sell securities. This document has been prepared in accordance with the requirements of Australian securities laws, which may differ from the requirements of United States and other country securities laws. Unless otherwise indicated, all ore reserve and mineral resource estimates included or incorporated by reference in this document have been, and will be, prepared in accordance with the JORC classification system of the Australasian Institute of Mining, and Metallurgy and Australian Institute of Geoscientists

Rumble Resources Limited

ASX: RTR

ABN 74 148 214 260

www.rumbleresources.com.au

T: +61 8 6555 3980

E: [email protected]

Head Office

Level 1, 16 Ord St

West Perth, Western Australia 6005