Orion Minerals Limited · ASX:ORN
Orion Minerals — Africa Down Under Conference 2026
25 slides from Orion Minerals's conference presentation, Sep 2, 2026
Slide 1: Orion to Present at Africa Down Under and Resources Rising Stars Conferences
ASX/JSE RELEASE: 2 September 2026 Orion to Present at Africa Down Under and Resources Rising Stars Conferences Orion Minerals Limited (ASX/JSE: ORN) (Orion or Company) is pleased to advise that our Managing Director and CEO, Mr Anthony Lennox, will be presenting at the Africa Down Under Conference i
Slide 2: Enquiries and Disclaimer
ENQUIRIES Investors Media JSE Sponsor Avishkar Nagaser Nicholas Read Monique Martinez Executive: Corporate Communications Read Corporate, Australia Merchantec Capital and Investor Relations T: +61 (0) 3 8080 7170 T: +61 (0) 419 929 046 T: +27 (0) 11 325 6363 E: info@orionminerals.com.au E: nicholas@
Slide 3: Orion Minerals: Moving to execution
Orion Minerals: Moving to execution Anthony Lennox, Managing Director and Chief Executive Officer September 2026 ORIONMINERALS.COM.AU ASX: ORN | JSE: ORN
Slide 4: Important Notices & Disclaimer
Important Notices & Disclaimer This presentation contains summary information about Orion by Orion Minerals Ltd, are inherently subject to Orion is not aware of any new information or data that Minerals Ltd and its subsidiaries (Orion or ) and their activities significant technical, materially affec
Slide 5: Competent Person Statement
Competent Person Statement Competent Person Statement The information in this presentation that relates to Orion’s information that materially affects the Ore Reserves The information on focusing on ‘PCZM – Near- and medium- Exploration Results is a compilation of previously released announced. term
Slide 6: What we stand for
What we stand for What we stand for OUR PURPOSE OUR VALUES Safe and responsible actions Working together We work in a way that protects We listen, communicate and people, communities, and the collaborate. Unlocking environment striving for Zero Harm. resources Acting with courage through Doing the r
Slide 7: Company snapshot
Company snapshot Company snapshot Current Share Issue Capital Structure Summary Current Significant Shareholders % Shares on issue (28 Aug‘26) 8,954M Tembo Capital (UK) 12.1 Delphi Group (EU/Germany) 9.2 Options on issue (28 Aug’26) 724M Sujajo Investments S.A (T Borman holdings) (Luxembourg & Austr
Slide 8: Two highly prospective regions within the Northern Cape base metals province
Two highly prospective regions within the Northern Cape base metals province Two highly prospective regions within the Northern Cape base metals province 3,400km2 of prime exploration and mining rights 10 9 8 7 Upington Oranjemund 1. Prieska (Cu-Zn) 6 2. Flat Mines (Cu) 3. Jacomynspan (Ni-Cu-Co-PGE)
Slide 9: Three strategic priorities
Three strategic priorities Current activity Medium term Medium to long term 11 2 3 Prieska Copper Zinc Okiep Flat Mines project Exploration Mine (PCZM) Drilling and optimisation Building a pipeline of projects Priority project: From underway in the Northern Cape base exploration to production metals
Slide 10: Strategic schedule
Strategic schedule 2026 2027 2028 2029 2030 Month 0 12 24 3 36 48 1 PCZM Uppers construction Uppers production @ 0.24 Mtpa Uppers Ore handling, plant construction & Production @ 2.4 Dewatering and shaft refurbishment Deeps resource definition and extension Mtpa 2 Okiep Optimisation DFS Construction
Slide 11: Prieska Copper Zinc Mine well positioned on the global cost curve
Prieska Copper Zinc Mine well positioned on the global cost curve Optimisation targeting second quartile for Okiep Coppr Project 500 450 All-in Sustaining Cost Curve - Copper 400 350 Optimisation 300 1st Quartile 2nd Quartile 3rd Quartile Okiep 4th Quartile 251.22 250 200 150 PCZM Ai SC(USc/lb) 94.3
Slide 12: Prieska Copper Zinc Mine: Our flagship and key priority
Prieska Copper Zinc Mine: Our flagship and key priority Page 10
Slide 13: Prieska Copper Zinc Mine
Prieska Copper Zinc Mine Prieska Copper Zinc Mine Flagship project ready for execution PCZM DFS* ▪ Total Mineral Resources: 31Mt @ 1.2% Cu and 3.6% Zn resulting in contained Cu of 370kt and contained Zn of 1.12Mt ▪ Total Probable Ore Reserves: 15.6Mt @ 1.1% Cu and 3.1% Zn resulting in contained Cu o
Slide 14: Prieska Copper Zinc Mine progressing into execution phase
Prieska Copper Zinc Mine progressing into execution phase Prieska Copper Zinc Mine progressing into execution phase Accelerating towards production PCZM development strategy • Brownfield project with DFS published in March 2025 • Two-phase project development, commencing with Uppers before transitio
Slide 15: Prieska Copper Zinc Mine – Near- and medium-term exploration
Prieska Copper Zinc Mine – Near- and medium-term exploration Medium-term plan for resource definition and target extensions SE • 22,000m of resource definition drilling • 72,000m from existing and planned development to target 1.25km extensions • T1 and T2 are current primary targets OCOD120-D1***:
Slide 16: Okiep Flat Mines Project: Drilling and optimisation underway
Okiep Flat Mines Project: Drilling and optimisation underway Okiep Flat Mines Project: Drilling and optimisation underway Page 14 Page 14
Slide 17: Okiep Flat Mines project
Okiep Flat Mines project Okiep Flat Mines project Optimisation underway Okiep Flat Mines DFS* ▪ Total Mineral Resources: 10Mt @ 1.3% Cu resulting in contained Cu of 132kt ▪ Total Probable Ore Reserves: 6.1Mt @ 1.2% Cu resulting in contained Cu of 71kt ▪ Production (life of mine): ▪ Cu concentrate: 2
Slide 18: Okiep Flat Mines project
Okiep Flat Mines project Project focus • Dewatering at Flat Mines North completed to facilitate Resource extension drilling • Drilling at Flat Mines East ongoing • Flat Mines East drilling to further assess 49.35m at 5.05% Cu* • Flat Mines South to further assess 59m at 3.14% Cu** • Optimisation to
Slide 19: Okiep Flat Mines project
Okiep Flat Mines project N FME Tailings storage facility Industrial mining complex OFMED153** 49.35m @ 5.05% Cu OFMSD080* OFMED157*** 7.88m @ 9.24% Cu 59m @ 3.14% Cu OFMED158*** 3.96m @ 4.64% Cu * Refer to ASX/JSE release 24 June 2024 ** Refer to ASX/JSE release 23 October 2024 *** Refer to ASX/JSE
Slide 20: Okiep Copper Project: Near and medium-term exploration
Okiep Copper Project: Near and medium-term exploration Okiep Copper Project: Near and medium-term exploration Deposits and prospects under current evaluation Page 18
Slide 21: Page 19
Page 19
Slide 22: BHP Xplor program
BHP Xplor program BHP Xplor program Aligned to Orion Minerals’ third strategic priority of building an exploration pipeline Selected to be part of the 2026 BHP Xplor accelerator program BOTSWANA Benefits: Rehoboth Craton • Orion received US$500,000 in equity-free funding • Provides Orion and its var
Slide 23: Why invest in Orion Minerals?
Why invest in Orion Minerals? Page 21
Slide 24: Investment rationale
Investment rationale Flagship Prieska Copper Zinc Mine: Foundation of a multi-asset copper producer PCZM flagship asset Historical benchmark Global Top-30 VMS resource, open along PCZM historical production of 430kt of Cu strike and at depth. and 1,010kt of Zn*. Okiep district produced more then 2,0
Slide 25: Contact us
Contact us Contact us Orion Minerals Limited Level 27, 120 Collins Street Melbourne, Vic, 3000 Australia Phone: +61 (0)3 8080 7170 Email: info@orionminerals.com.au Website: www.orionminerals.com.au ASX: ORN | JSE: ORN