Empyrean Energy — Final Results

Empyrean advances Mako Gas Project toward 2027 production with US$320m capex fully contracted.

What the company is saying

Empyrean Energy frames this as a year of operational and financial progress, highlighting the Mako Gas Project's transition to full development after Final Investment Decision approval in March 2026. The company emphasizes its 8.5% entitlement to all cash payments to WNEL, including gas sales revenue, and stresses that the project is now fully funded at the joint venture level. Empyrean points to the binding Gas Sales Agreement with PT PLN Energi Primer Indonesia, government directives ensuring domestic offtake, and the issuance of letters of award covering over 80% (US$280 million) of the project's US$320 million capital costs. The narrative is confident, underlining the settlement of historical cash call arrears, successful capital raises (US$0.825 million and US$1.354 million), and renegotiated debt terms that lower near-term interest expense. Leadership changes are addressed directly: Gajendra (Gaz) Bisht is confirmed as CEO and Technical Director, while Dr Patrick Cross retired as Non-Executive Director in July 2026. The company acknowledges the unsuccessful Wilson River-1 well and ongoing portfolio review, but the tone remains optimistic about near-term regulatory approvals and future cash flow.

What the data suggests

The Mako Gas Project is advancing with binding agreements in place: a Gas Sales Agreement with PLN EPI, a farm-in by PT Nations Natuna Barat to fund 100% of development costs, and a Shareholders Agreement defining Empyrean's 8.5% economic interest. Final Investment Decision was approved in March 2026, and as of April 2026, over US$280 million (more than 80%) of the US$320 million total capex is covered by letters of award for key capital contracts. First gas is targeted for Q4 2027, with contracted sales through January 2037 covering up to 111 Bbtud. Empyrean raised US$0.825 million in April 2025 and US$1.354 million in July 2025, and has a requirement to maintain a minimum cash balance of £1.25 million until its £6.7 million Convertible Note is repaid. The Convertible Note interest rate was reduced from 20% to 5% per annum for six months, reverting to 20% from October 2026. The Wilson River-1 well in Australia was plugged and abandoned after only formation water was recovered. No work was conducted in the Sacramento Basin, California, where Empyrean holds a 25-30% interest. The company’s disclosures are specific on project milestones, funding, and capital structure, but actual cash flow from the Mako Project remains contingent on regulatory approval and project execution.

Analysis

The announcement is generally positive in tone and provides substantial evidence of progress, including signed binding agreements (GSA, farm-in, Shareholders Agreement), FID approval, and the issuance of letters of award covering over 80% of capital costs. These are concrete milestones for a capital-intensive gas project. However, the benefits to Empyrean (notably cash flow from gas sales) are long-dated, with first gas only targeted for Q4 2027—over a year from the report date. While the project is described as 'fully funded at JV level,' no detailed funding breakdown is provided, and some claims (e.g., government-backed revenues, full funding) are asserted without direct numerical evidence. The capital outlay is large (US$320 million capex), and Empyrean's recent placings are small relative to project scale. The forward-looking ratio is moderate, with most key milestones already realised, but the main financial benefits remain in the future. The narrative is somewhat inflated by language around 'fully funded' and 'government-backed contracted revenues' without full supporting detail.

Risk flags

• ●Execution risk is significant: with first gas not expected until Q4 2027, Empyrean faces at least a year of development and construction risk before revenue generation. Delays, cost overruns, or technical issues could materially impact project economics and timing.
• ●Regulatory risk remains: Empyrean's entitlement to cash payments and the farm-down transaction both require approval from Indonesia's Ministry of Energy and Mineral Resources. Any delay or failure to secure this approval would defer or jeopardize expected cash inflows.
• ●Funding and liquidity risk persists at the corporate level: while the Mako Project is described as fully funded at the JV level, Empyrean itself is reliant on maintaining a minimum cash balance of £1.25 million and has a £6.7 million Convertible Note with interest reverting to 20% per annum from October 2026, which could pressure liquidity if project milestones slip.
• ●Offtake and revenue risk: although a binding Gas Sales Agreement is in place through January 2037 for up to 111 Bbtud, the announcement does not disclose actual revenue amounts, payment security, or the enforceability of government backing, leaving some uncertainty around the ultimate cash flow profile.

Bottom line

Empyrean has achieved major milestones at the Mako Gas Project, including FID approval, full JV-level funding, and the award of over 80% of capital contracts, with US$320 million in capex committed and first gas targeted for Q4 2027. The company’s 8.5% economic interest is contractually defined, but actual cash flow is contingent on regulatory approval and successful project execution. Recent capital raises and debt renegotiation have improved near-term liquidity, but the Convertible Note's high interest rate resumes in October 2026, and Empyrean must maintain a minimum cash balance. The Wilson River-1 well was unsuccessful, and no progress was made in the Sacramento Basin. The most important takeaway is that while the Mako Project is materially de-risked at the contracting and funding level, value realisation for shareholders remains at least a year away and is exposed to regulatory and execution risks. Investors should focus on regulatory approvals and evidence of on-schedule project delivery as the next critical catalysts.

Announcement summary

(LSE:EME) Empyrean Energy PLC announced its final results for the year ended 31 March 2026. In July 2025, Conrad Asia Energy Ltd signed a binding Gas Sales Agreement for the sale and purchase of natural gas from the Mako Gas Field with PT PLN Energi Primer Indonesia. In November 2025, Conrad and its subsidiary WNEL signed an agreement with PT Nations Natuna Barat to farm into the development of the Mako Gas Field and provide financing for 100% of project development costs and associated working capital. In February 2026, Empyrean entered into binding documentation for settlement of historical cash call arrears with Conrad, and executed a Shareholders Agreement governing Empyrean's participation in the Mako Project via a Special Purpose Vehicle, entitling Empyrean to 8.5% of all cash payments to WNEL including revenue from gas sales. In March 2026, WNEL approved the Final Investment Decision for the Mako Project, transitioning it into full development. Total capital expenditure at the Mako Project to first gas is estimated at approximately US$320 million (100% basis). In April 2026, WNEL issued letters of award covering more than US$280 million of the Mako Gas Project capital contracts, constituting over 80% of the total capital costs. Empyrean completed a placing and retail offer to raise US$0.825 million (£0.661 million) in April 2025 and a placing to raise US$1.354 million (£1 million) in July 2025. In April 2026, Empyrean reached agreement with its Lender on amended key terms to the Convertible Note, including a decrease in interest from 20% per annum to 5% per annum for the period 1 April 2026 to 30 September 2026, with interest reverting to 20% per annum from 1 October 2026, and a requirement to maintain a minimum cash balance of £1.25 million until repayment.

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