ioneer Ltd

Income statement (FY ending 30 June; USD)

Sources: FY2023 20-F (FY2021–FY2023 net loss, restated US$); FY2025 20-F and TY2025 20-F (FY2023–FY2025 operating results); FY2025 annual financial statements (EPS). FY2021–FY2022 operating-loss and finance-income splits were reported in A$ in the FY2022 20-F (FY2022 net loss A$12.583M; FY2021 A$10.326M) and are not reproduced in US$. EBITDA is not reported. EBITDA ≈ operating loss plus small depreciation (H1 CY2026 D&A US$0.196M), i.e. negative throughout. Gross, operating, EBITDA and net margins and revenue CAGR are not meaningful (no revenue).

Stub periods after the year-end change (USD M):

Source: H1 CY2026 Half-Year Report: Commentary. Losses are structurally small and stable (US$6–10M a year) because nearly all project spending is capitalised to the exploration and evaluation (E&E) asset under AASB 6 until FID. The FY2021 loss of US$14.0M was the high point; it included FX losses and expensed non-core permitting. The FY2025 widening to US$9.6M reflected lower interest income (cash fell from US$35.7M to US$25.1M) and higher operating costs during the post-Sibanye restructuring of the funding plan. The H1 CY2026 run-rate (US$4.0M per six months) is consistent with an annualised loss of ~US$8M. Interest income doubled after the February 2026 raise. Inflection to profitability depends entirely on FID, construction (36 months per July 2026 guidance) and first production, currently targeted for 2029.

Balance sheet

Sources: - FY2021 equity is the restated US$ opening balance at 1 July 2021 (FY2023 annual report statement of changes in equity).

• FY2022 cash is the restated US$ "net cash" at 30 June 2022 (H1 FY2023 report); in A$, cash was A$136.6M and total assets A$309.2M (FY2022 20-F).

• FY2023–FY2025 cash comes from FY2024/FY2025 cash-flow statements; FY2024–FY2025 equity from the FY2025 20-F.

• FY2024 borrowing: US$1.2M raised in FY2024 and repaid in FY2025.

• Share counts are as disclosed for 30 Sep 2022, 1 Oct 2024 and 30 Jun 2025 respectively (nearest available dates).

Latest balance sheet (USD M):

Source: H1 CY2026 Half-Year Report. Of the cash at 30 June 2026, US$47.8M was on short-term deposit and US$11.1M was cash at bank. The company disclosed (and corrected) a cash balance of US$61.68M at 31 March 2026 (ASX quarterly correction, 30 April 2026).

Commentary. The balance sheet is essentially one capitalised asset (Rhyolite Ridge E&E of US$214.7M, about 77% of total assets) funded entirely by equity. There is no drawn debt; the DOE facility is closed but undrawn, and the only on-balance-sheet trace is the US$4.27M of capitalised establishment fees. Net cash fell steadily from FY2022 to the low point of US$17.9M at 31 December 2025. It was then rebuilt by the February 2026 US$50.4M raise (400M shares at A$0.18; costs US$2.29M). Book equity per share at 30 June 2026 was ~US$0.09.

Cash flow

Sources: FY2023 20-F (FY2021–FY2023; FY2021 investing and financing derived from the stated year-on-year changes); FY2025 annual financial statements (FY2024–FY2025). FY2025 financing included a US$4.25M payment to establish the DOE loan and US$1.2M of borrowing repayment.

Discrepancy flag: the FY2023 20-F narrative attributes FY2022's financing inflow both to "a US$61.4M placement" and to the Sibanye-Stillwater placement "of US$71.8M" (the latter text placed under the FY2023 comparison). The Sibanye US$70M strategic investment closed in October 2021, i.e. FY2022. Treat the split as unresolved.

Commentary. Cash burn peaked in FY2022–FY2024 at ~US$38–43M a year, during detailed engineering, permitting and the Sibanye-era build-out. It was cut sharply to ~US$21M in FY2025 and to an ~US$15–19M annualised rate in TY2025/H1 CY2026 as the company preserved cash pending a partner. The June-2026 Appendix 5B cites ~14.9 quarters of funding at current outflows. That runway covers pre-FID costs only. It does not cover the project equity requirement, which runs to hundreds of millions of dollars.

Ratios

Analyst calculations from the figures above. Current ratio: 8.6x at 31-Dec-2025 and 25.8x at 30-Jun-2026.

The following ratios are not meaningful for a pre-revenue issuer with no drawn debt:

• ROA and ROIC: negative, low single digits;

• net debt/EBITDA and interest coverage: EBITDA is negative and there is no debt;

• asset turnover and cash conversion cycle: there is no revenue.

Management guidance (latest)

Consensus growth expectations

No meaningful consensus revenue or EPS forecasts exist for a pre-FID developer; FNArena lists one contributing broker. Implied production-phase revenue on company assumptions is boric acid ~US$183M a year plus lithium on ~24,500 tpa LCE. Lithium price decks are not reproduced here.

Bull case

1. Funding catalyst unlocks a re-rating. A binding partner agreement, potentially Korean-led with KIND plus Hyundai Engineering, would satisfy the main DOE condition precedent and release US$968M of principal. At ~0.11x unlevered NPV, re-rating potential is large.

2. Boron as a strategic hedge. Boric acid revenue of ~US$183M a year, critical-mineral status and Army-backed downstream boron carbide reduce dependence on lithium prices. They also widen the potential partner pool to defence and industrial buyers.

3. De-risked asset. Permits have been upheld in court, engineering is ~70% complete, the reserve is 266 Mt, and AISC of US$4,628/t LCE is in the lowest quartile. Rhyolite Ridge is one of very few U.S. lithium projects ready to start construction.

Bear case

1. Chronic partnering failure. Sibanye's exit and three timeline slips suggest counterparties are resisting price and terms. Further delay would erode cash (~US$15–19M a year of burn), force more dilution (shares +47% since 2022), and risk the DOE conditions-precedent window.

2. Capex inflation versus equity capacity. The US$1,683M estimate is guided to rise. After DOE principal, the equity gap is roughly US$700M+. With a US$250M market cap, even a 40% asset sale may leave ioneer needing hundreds of millions more (one broker estimates ~US$270M).

3. Legal and commodity overhangs. The Ninth Circuit outcome (mid-2027), a possible tui chub listing and weak lithium pricing could each delay FID or impair economics. Thacker Pass is absorbing first-mover OEM and policy attention in the same state.

Catalysts and monitorables (next 12 months)

Analyst verdict

Ioneer offers an asymmetric but binary proposition. Measured by permitting, engineering and financing scaffolding, Rhyolite Ridge is among the most advanced undeveloped lithium projects in the United States:

• a federal ROD upheld in District Court in March 2026;

• an AACE Class 2 estimate with roughly 70% of engineering complete;

• a closed US$996M DOE loan;

• blue-chip offtakers in Ford, PPES and EcoPro.

Its boron co-product is a genuine structural differentiator rather than a by-product footnote. Boric acid revenue of about US$183M a year supports a net all-in sustaining cost of US$4,628/t LCE. With boron's November 2025 addition to the U.S. critical minerals list and the Army's conditional Tooele award, the asset now carries a national-security dimension that few lithium peers can claim.

The equity, however, prices in significant scepticism, and with reason. At roughly US$250M, the market capitalisation is about one-ninth of the company's unlevered NPV. That discount reflects a funding structure that remains incomplete 20 months after Sibanye-Stillwater walked away. Partnering deadlines have slipped from a four-month process to H1 2026, then mid-2026, then Q3 2026, and FID is now officially "to be determined". Capex has more than doubled since 2020 and is expected to rise again. Even full use of the DOE principal leaves an equity requirement that dwarfs the company's US$59M cash and its market value. Shareholders should therefore expect either a materially dilutive capital raise or a partner transaction that transfers a large share of project value, or both.

The key judgement is whether the Korean consortium track (KIND and Hyundai Engineering) converts into binding, DOE-compliant equity. If it does, ioneer would likely re-rate toward a construction-stage developer multiple, with first production in 2029. If it does not, by early 2027, the stock remains a cash-burning option on U.S. critical-minerals policy. It would face a Ninth Circuit ruling and possible ESA complications still ahead.

Verdict: Speculative / event-driven. The company is high quality at the asset level, but the investment case should be sized as a call option on the partnering outcome. The September 2026 quarterly report is the next decisive disclosure.

Compiled from company filings (Form 20-F FY2023–FY2025 and the TY2025 Transition Report; Form 6-K exhibits; H1 CY2026 Half-Year Financial Report dated 13 August 2026), ASX announcements, ioneer.com, and secondary reporting (Reuters via Engineering News/Mining.com, Mining Weekly, Global Mining Review, Australian Mining, Motley Fool, InvestSMART, FNArena, Yahoo Finance, Simply Wall St, Quartr). Competitor data comes from Albemarle's FY2025 10-K and results release and Lithium Americas' 2026 releases and 8-Ks. Analyst calculations are labelled as such.