Navitas Petroleum, earlier this week, put new numbers on two important pillars of the Eco Atlantic (AIM:ECO) portfolio.
In the North Falkland Basin, licence PL001, Navitas set the first drilling target at 640 million barrels of oil on a 2U prospective resource basis, with Eco's drilling success case share estimated at roughly 225 million barrels once its acquisition of JHI Associates completes.
Meanwhile, in South Africa, Navitas updated Block 1 CBK's unrisked prospective resources to approximately 4.5 trillion cubic feet of gas and more than 3,600 million barrels of oil equivalent, based on existing seismic data.
Eco said the Falklands figure reinforced its own decision to increase exposure to PL001.
"The resource estimate released by Navitas for the first drilling target on PL001 further underlines the quality and potential of the asset and reinforces our decision to increase Eco's exposure to the licence," said Gil Holzman, the company's president.
Why it matters
As a pre-revenue explorer, resource updates like this are the key catalysts and checkpoints for the investment case.
They provide third-party assessment of the potential scale and potential value of these speculative assets, and with that comes a degree of economic feasibility.
To sharpen that point, from the junior partner, which is what Eco is, the value creation story depends entirely on the sentiments and perspectives of their senior partners (who typically foot the bill, and largely make the big capital calls). Put simply, it matters a lot whether those operators are prepared to fund the drilling that tests these otherwise academic resource estimates
This week's numbers came from Navitas, not from Eco's own technical work.
Also, at the same time, it comes as Eco gains a bigger PL001 stake (once its JHI transaction closes), and a South African gas-and-liquids resource base that's an order of magnitude larger than the block's earlier model.
Both figures sit ahead of drilling, so the planned works will either prove or disprove the value case.
Navitas highlighted that it plans a multi-target exploration well on PL001, timed against the Sea Lion Project development campaign due to begin at the start of 2027; a success case could see the target tied back to the Sea Lion platform.
This comes as Navitas and London-listed partner Rockhopper Exploration are not only advancing the development of the Sea Lion field, but also expanding the scope of the project with fresh investments into the discovery's central area.
Navitas also flagged that is sees additional prospects in PL001 that are not yet reflected in its resource reports (a hint at further upside, though that remains particularly speculative until more work is done.
About the company
Eco Atlantic is an AIM- and TSX Venture-listed exploration company built around Atlantic Margin acreage, generating value through licence acquisition, seismic appraisal, drilling and farm-outs rather than production. Its portfolio spans the Falkland Islands, South Africa, Namibia and Guyana-adjacent blocks, and its stated method is consistent across all four: acquire early-stage licences, bring in a funded partner to carry the work programme, and retain a working interest that benefits from someone else's drilling budget.
In South Africa, Eco holds a definitive farmout under which Navitas will take a 37.5% working interest in Block 1 CBK and become operator on completion, with Eco retaining 37.5% and being carried for the work programme up to a cap of US$7.5m net, repayable from Eco's share of future production.
In the Falklands, Eco's pending acquisition of JHI Associates would deliver a 35% participating interest in PL001, with Navitas holding 65% and operatorship, and a potential 17.5% working interest in the Canje Block offshore Guyana. Both structures put Navitas, not Eco, in the operator's chair and in control of the drill bit.
How it got here
Eco's record is one of a company that has tried the farm-out route repeatedly, with mixed results.
Navitas, since coming on board, has injected more impetus, and the assets apear now to be finding some sense of momentum and progress.
In terms of recent newsflow, Eco farmed down 37.5% of Block 1 CBK to Navitas for US$4m in May, a transaction Holzman described at the time as strengthening "the bond between Eco and Navitas" and propelling the company "toward a promising future in South Africa's offshore oil and gas landscape."
The same month, the Falklands leg of the story reached a legal milestone. Eco entered H2 with a run of deals that included Namibian farm-downs and Guyana negotiations alongside the South Africa and Falklands work, with Holzman saying the company was "excited about the coming months and the number of additional corporate, operational and financial catalysts that lie ahead."
Namibia contributed its own confirmation in the same period: Eco secured Namibian ministerial approval for the PEL 98 farm-out to Lamda Energy, which Holzman called "a significant milestone" in moving that transaction toward completion.
Then, most recently, Navitas's resource estimates for PL001 and Block 1 CBK were released in its quarterly report, and landed as the first hard evidence that Eco's tie-up with a motivated, well-capitalised partner appears to be generating the sort of progress that investors had long since expected from the exploration junior.
Market view
Eco shares last traded at around 47.6p, which sees the explorer's shares up some 44% for 2026 to date. At this level, the pre-revenue group has a market value of around £325 million.
And, to give the opportunity its proper context, stockbroker Panmure Liberum has a Buy that pitches a target of 217p.
Broker commentary across the small-cap exploration sector has clustered around the same themes now facing Eco; regulatory and court approvals as genuine catalysts, resource revisions ahead of drilling as a recurring pre-drill trigger, and permitting risk as the factor most likely to delay or derail projects of this kind.
Ultimately, it boils down to something straightforward: Eco and Navitas need to confirm scale and delivery with drilling in the field, and as such the AIM-quoted share will be closely watched as the drill date (in the first half of 2027) approaches.
What's ahead
Completion of the JHI acquisition remains conditional on a five-year extension of PL001 from the Falkland Islands Government, confirmation of Navitas's operatorship, JHI holding US$1m cash at completion, and final TSX-V and AIM approvals.
Eco is expected to become an indirect holder of 35% of PL001 by 30 September 2026, contingent on those approvals landing on schedule.
In South Africa, the Block 1 CBK farmout awaits approvals from the Petroleum Agency of South Africa and the TSX Venture Exchange, alongside Navitas's Section 11 application, currently under review, and receipt of the US$4.0m payment due to Eco on completion.
Elsewhere in the portfolio, the BP farm-down of Namibian licences PEL97, PEL99 and PEL100 is expected to close in Q3 2026 with a US$2.7m cash payment to Eco, and Eco and Navitas are targeting Q3 2026 completion of production-sharing agreement negotiations with the Guyana government over the Orinduik Block, in which Eco's 20% working interest would be carried up to US$11.0m net.
Navitas's own plans set the pace for the drilling phase: a multi-target exploration well on PL001 is planned subject to completing its acquisition of the licence, timed against the Sea Lion Project development campaign due to begin at the start of 2027.
The wrap
For investors in Eco Atlantic, the times of idly speculating will soon be over; and if the projects work in the field, that will be a good thing.
The explorer has a lot of big speculative resources which, if and when converted into bankable barrels
It now rests less on the number of licences it holds than on the credibility of the partner drilling them.
Navitas's resource upgrades on PL001 and Block 1 CBK give the Falklands and South Africa positions a scale the company's Namibian and Guyana farm-outs have yet to match.
Investors will be inclined to make a checklist and tick off each regulatory and operational to-do as they come and go.
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