RIMFIRE PACIFIC MINING LIMITED — Capital/Financing Update 2021

Nov 15, 2021

16 November 2021

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Drill Contractors Commit To 10,500m Program

Further to Rimfire’s Corporate Presentation released to the ASX on 7 October 2021, Rimfire Pacific Mining NL (ASX Code “RIM” or the “Company”) is pleased to announce that it has secured drilling contractors to commence a fully funded drill program by the end of this month.

The 4 month drilling program will comprise over 10,500 metres of Aircore, Reverse Circulation and large diameter Auger or Caldwell drilling to test multiple gold, copper / gold, cobalt, and PGE’s (ruthenium, rhodium, palladium, osmium, iridium, and platinum) targets on the Company’s key New South Wales projects in the Lachlan Fold Belt and Broken Hill areas.

The Company looks forward to announcing the commencement of drilling and ongoing release of results to the market as they become available, within usually 6 weeks after completion of individual drilling programs for each project.

Planned Drill Programs include

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Indicative Timeline

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Suite 142, Level 1, 1 Queens Road Melbourne VIC 3004 Phone +61 (0)3 9620 5866 rimfire@rimfire.com.au rimfire.com.au

Rimfire Pacific Mining NL | ABN 59 006 911 744 | ASX: RIM

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This ASX release was authorised on behalf of the Rimfire Pacific Mining NL Board by: Craig Riley, Managing Director and CEO

For further information please contact: Greg Keane, CFO / Investor Relations, +61 3 9620 5866

ABOUT RIMFIRE

Rimfire Pacific Mining NL (ASX:RIM) is an ASX listed exploration company focused on projects in the Lachlan Fold Belt in central NSW and Broken Hill NSW. The company has a track record of successful exploration and asset monetisation through partnership agreements.

Rimfire currently has four key project areas under management in the Lachlan Fold Belt:

1. The Valley – Porphyry Copper / Gold, RIM 100%

   • ✓ Located 5km west of Kincora Copper/RareX Mordialloc porphyry copper-gold target.

   • ✓ Recently completed a drilling program to test interpreted Ordovician basement that hosts regional major discoveries such as Northparkes, Cadia and Cowal.

2. Cowal Project - Copper / Gold, RIM 100%.

   • ✓ Located to the east of Evolution’s Lake Cowal Gold mine ✓ Little exploration has occurred on these tenements that are prospective for Copper / Gold

3. Fifield Project - Gold / PGE’s ✓ Golden Plains Resources Pty Ltd (GPR) earning up to 50.1%, RIM free carried for development. ✓ Maiden JORC 2012 resource of 125Koz gold + 7.9Moz silver.

   • ✓ Recent drilling at the Transit Prospect returned 55m @ 0.94g/t gold with the final 1m intersection increasing to 9.98g/t gold.

4. Avondale Project – Cobalt, Platinum Group Elements (PGE’s) and Gold

   • ✓ GPR earning up to 75% ✓ Avondale and Kars Prospects located in the southern area of the project area and prospective for Cobalt and PGE’s respectively.

Rimfire also has a key project located at Broken Hill:

1. Green View – Cobalt, RIM 100%

   • ✓ Located 15km from Broken Hill

   • ✓ Adjacent to significant Cobalt Blue Holdings Railway Cobalt Resource

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Suite 142, Level 1, 1 Queens Road Melbourne VIC 3004 Phone +61 (0)3 9620 5866 rimfire@rimfire.com.au rimfire.com.au

Rimfire Pacific Mining NL | ABN 59 006 911 744 | ASX: RIM