Dateline Resources Limited · ASX:DTR
Dateline Resources — Investor Presentation (September 2025)
29 slides from Dateline Resources's investor presentation, September 2025
Slide 1: Proven Project, New Potential
PROVEN PROJECT, NEW POTENTIAL DATELINE Colosseum Gold-REE Project RESOURCES ASX: DTR | OTCQB: DTREF | FSE: YE1 Corporate Presentation, September 2025
Slide 2: Disclaimer
Disclaimer This presentation is an overview of Dateline Resources Limited (Dateline or the Company) and its minerals project prepared with good intention. It is not, nor does it purport to be, a prospectus or product disclosure statement under Chapter 6D or Part 7.9 of the Corporations Act 2001 (Cth
Slide 3: Scoping Study – Cautionary Statement
Scoping Study – Cautionary Statement The Scoping Study (the Study) was undertaken to assess viability of developing the Colosseum Gold Project by constructing an open cut mine ± underground mine and processing facility to produce gold doré. It is a preliminary technical and economic study of the pot
Slide 4: Investment Highlights
Investment Highlights Large Mineral Resource Tier 1 Location Fully Permitted Bankable Feasibility with Expansion Upside California’s Walker Lane Trend hosts Vested Mining Rights and approved Study Underway5 multi-million-ounce mines. Plan of Operation are in place that Due for completion early 2026
Slide 5: Mining Approvals & Strategic Endorsements
Mining Approvals & Strategic Endorsements Permits and Rights Secured US Government Support Approved Plan of Operations Executive Orders by President Donald J Trump • Endorsed by BLM, National Parks & DOI Secretary, EO 14154 – “Unleashing American Energy” confirming the right to mine and explore gold
Slide 6: Public Endorsements from President Trump & Administration Officials
Public Endorsements from President Trump & Administration Officials DOI Secretary Burgum – 9 June 2025 (Fox News) Discussion about importance of US mining and Colosseum mine https://x.com/i/status/1931810 576231006285 Donald J Trump – 5 September 2024 Donald J Trump – 27 January 2025 Address to the
Slide 7: San Bernardino County Endorsement
San Bernardino County Endorsement https://youtu.be/dv0LIQBKwLA ASX: DTR OTCQB: DTREF www.datelineresources.com.au 7
Slide 8: Strategic Context
Strategic Context There is currently only one operating REE mine in the United States, Mountain Pass, located 6 miles to the south of Colosseum. Recent transactions involving Mountain Pass/ MP Materials have highlighted the strategic value of the project: • Department of Defense - US$400M preferred
Slide 9: Mining Past to Power the Future
Mining Past to Power the Future CALIFORNIA NEVADA Mountain Pass COLOSSEUM GOLD-REE PROJECT • 100% owned project Soledad Mountain Gold Mine Castle Mountain Gold Mine • Colosseum gold mine1 produced 344koz Golden Queen Mining Equinox Gold (EQX.TSE) from 1988-1993 Open pit / Cyanide heap leach Open pit
Slide 10: Colosseum Gold Mine – Back to Life
Colosseum Gold Mine – Back to Life • Production suspended in 1993 when gold price was US$340/oz after producing 344,000 ounces1 • No further exploration until Dateline acquired the project in 2021 • Exploration by Dateline includes intersections of 70.1m @ 6.53g/t Au9 and 63.2m @ 10.28g/t Au10 • 1.1
Slide 11: Conventional Mining and Processing
Conventional Mining and Processing4 Dateline is planning simple open pit mining techniques, with up to 2Mtpa of ore delivered to the ROM pad for processing. Processing will be by standard carbon- in-pulp (CIP) method, with a 2Mtpa plant fitting within the same footprint as the late 1980’s developmen
Slide 12: Colosseum Gold Project Economics
Colosseum Gold Project Economics 4 Dateline released an updated Scoping Study in May 2025, based on a gold price assumption of US$2,900 per ounce. The current gold price is PROJECT ~27% higher, offering significant cashflow PARAMETER UNIT TOTAL* flexibility and funding repayment capacity. FINANCIALS
Slide 13: Significant Gold Upside
Significant Gold Upside Dateline has identified six 1 2 1 2 3 3 high priority gold targets at Colosseum7. Open Open pits pits The targets have coincident gravity low and resistivity low 4 4 anomalies. Two rigs drilling in September 5 5 6 6 Depth slice at 200m below topography through the 3D density
Slide 14: Significant Gold Upside
Significant Gold Upside The resistivity anomalies of four of the six targets are larger than that over the known 1.1Moz mineral resources ASX: DTR OTCQB: DTREF FSE: YE1 www.datelineresources.com.au 14
Slide 15: BFS Gold Project Enhancements
BFS Gold Project Enhancements4 Aggregate Sales Strong interest from construction companies interested in using crushed waste rock from Colosseum as aggregate for use in: • Las Vegas construction • Southern Nevada Supplemental Airport • California construction Mineral Resource Extensions The Mineral
Slide 16: Colosseum Gold – Upcoming Milestones
Colosseum Gold – Upcoming Milestones The Colosseum Gold Mine has several value enhancing catalysts over the next twelve months: Mine Optimisation Exploration Results BFS Completion Construction Re-optimising the mine Drilling has The BFS, including mine Dateline intends to design using higher gold r
Slide 17: Colosseum Rare Earths – Driving America
DATELINE Colosseum Rare Earths – Driving America RESOURCES Location Strategic Mineral Government Support Geological Link 6 miles from Mountain Rare earths are critical Federal approvals and Confirmed geological, Pass, the only operating for many advanced funding through DoD, DoE, geophysical and REE
Slide 18: Mapping & Sampling Confirms REE Fertility
Mapping & Sampling Confirms REE Fertility Rare Earth Expert, Tony Mariano Jr, commented12: “We were very surprised by the amount of fenites we were able to discover at Colosseum and the extent to which they can be traced. “The existence of the fenitised rocks in conjunction with the mantle derived t
Slide 19: Colosseum Rare Earths – Resistivity Anomaly
Colosseum Rare Earths – Resistivity Anomaly Magneto-tellurics11: Deep resistivity anomaly on 2200N down to at least 1,000m depth Prominent 2200N anomaly broad resistivity anomaly that Prominent 2200N anomaly broad resistivity anomaly shown as shows depth penetration down to at least 1,000m depth. a
Slide 20: USGS confirms Colosseum and Mountain Pass zircons are indistinguishable
USGS confirms Colosseum and Mountain Pass zircons are indistinguishable13 Zircon Geochronology and Geochemistry Insights into A Shonkinite Dyke in the Colosseum Mine Area, Southeastern Mojave Desert, Ca Geological Society of America Abstracts with Programs. Vol. 56, No. 4, 2024. doi: 10.1130/abs/202
Slide 21: Fenite mineralogy identical to Mountain Pass
Colosseum Fenite mineralogy identical to Mountain Pass12 Colosseum Mountain Pass Macrographs of fenite rock samples Same fenite samples analysed using Same fenite samples analysed using showing similar mineralogy and texture. shortwave ultraviolet light illustrating cathodoluminescence illustrating
Slide 22: Argos Strontium Project
Argos Strontium Project14 Dateline has secured 100% of the largest celestite (strontium) project in the United States. Argos is located 100km from Colosseum in San Bernardino County, California. Dateline rock chip samples up to 49.8% SrO (equivalent to 88% SrSO4). Argos distinguishes itself by combi
Slide 23: Argos Strontium – Strategic Context
Argos Strontium – Strategic Context • Argos directly supports U.S. national security and supply chain resiliency goals. • Notably, the United States has no active strontium mines or production. • Department of Defense has recently announced $192.5 million in funding to boost domestic production of c
Slide 24: Strontium in Technology
Strontium in Technology Fuel cells Electronics materials LED phosphors • LSM cathodes in solid oxide fuel cells • Strontium titanate for high-k capacitors and substrates • Strontium nitride based red phosphors • Oxygen sensors and energy tech • Piezo and dielectric ceramics in sensors • Warm white L
Slide 25: Corporate Snapshot
Corporate Snapshot ASX: DTR OTCQB: DTREF FSE: YE1 Total Ordinary Shares on Issue 3,372,583,602 Top 20 Shareholders 74.6% Cash (pro forma 22 Sept 2025) A$35.0m (US$22.8m) Market Capitalisation (at A$0.35/share)* A$1,180m (US$789m) US Shareholders, 4.4% US Shareholders, Board, Management 33.5% & Other
Slide 26: Experienced Board & Management
Experienced Board & Management Mark Johnson AO - Non-Executive Chairman Mr Johnson has worked in banking and corporate finance for over forty years. He retired as Deputy Chairman of Macquarie Bank in mid-2007 and now divides his time between work in the private and public sectors. Mr Johnson is a se
Slide 27: Quality US Partners
Quality US Partners Engineering & EPCM – Tucson, AZ Equipment Procurement – Oroville, CA Local & Planning – San Bernadino, CA Metallurgy – Golden, CO Hydrogeology – Olathe, KS Auditors – US/ Australia Drilling – Salt Lake City, UT Geotechnical & Water Management – Oroville, CA Legal – Los Angeles, C
Slide 28: Contacts
Contacts Stephen Baghdadi Managing Director Level 29, 2 Chifley Square Sydney NSW, Australia 2000 Andrew Rowell Corporate and Investor Relations Manager Ph: + 61 (0) 400 466 226 E: a.rowell@dtraux.com Colosseum Gold Mine Processing Plant – circa 1990 ASX: DTR OTCQB: DTREF FSE: YE1 www.datelineresour
Slide 29: Appendix - Endnotes
Appendix 1 - Endnotes 1. ASX Announcement 15 March 2021 – Dateline to acquire Colosseum Gold Mine in San Bernadino County, USA 2. ASX Announcement 6 June 2024 - 1.1m oz gold for updated Colosseum Resource Estimate 3. ASX Announcement 24 February 2023 - Colosseum Mining Rights Confirmed 4. ASX Announ
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