What Rockhopper Exploration does

Rockhopper Exploration plc is a UK-incorporated, AIM-listed (ticker: RKH) oil and gas exploration and production company founded in 2004. Its core asset is a 35% non-operated working interest in the Sea Lion field, located in the North Falkland Basin — the first commercial oil discovery made in the Falkland Islands, drilled by Rockhopper in 2010. NSAI-certified net 2P reserves stand at approximately 109.8 MMBBL with a further 211 MMBBL of 2C resources, and the company additionally holds 100% working interest in exploration licences across the South & East Falkland Basin. Partner and operator Navitas Petroleum holds the remaining 65% working interest.

Following Final Investment Decision on Sea Lion Phase 1 in December 2025, the field is being developed using FPSO-based infrastructure with a total gross project cost of approximately $2.1 billion and first oil targeted for Q1 2028. Phase 1 plateau production is designed at 55,000 bopd gross (~19,250 bopd net to Rockhopper), with subsequent phases (including a second FPSO, OSX-1, funded by an August 2026 ~$180M raise) intended to expand into the Central Development Area and beyond.

Rockhopper's revenue mechanics are those of a conventional upstream oil producer: once Sea Lion is online, crude will be sold at prevailing Brent market rates, with Rockhopper's 35% net share subject to Falkland Islands corporate income taxes, state royalties, capital recovery, and abandonment obligations. The company is currently pre-revenue, with $0 reported in FY2024 and FY2025, and funds operations through equity placings and open offers on AIM. In October 2024, Rockhopper divested its legacy Italian assets to Zodiac Energy, narrowing geographic focus to the Falklands. Cash and term deposits stood at US$179 million at end-2025, before the August 2026 financing.

Name

Rockhopper Exploration

Legal name

Rockhopper Exploration plc

Website

https://rockhopperexploration.co.uk

Company type

Public

Founded year

2004

Operating status

Operating

Headcount range

11–50 employees

Short description

Rockhopper Exploration plc is a UK-based, AIM-listed upstream oil and gas company holding a 35% non-operated working interest in the Sea Lion field in the North Falkland Basin. First oil from Sea Lion Phase 1 is targeted for Q1 2028, with peak gross production of 55,000 bopd.

Ownership category

akta.pro rank

Product category

Upstream Oil and Gas Exploration and Production

NAICS

Oil and Gas Extraction (2111), Oil and Gas Extraction (211), Support Activities for Oil and Gas Operations (213112), Crude Petroleum Extraction (21112)

SIC

Oil & Gas Field Exploration Services (1382)

akta.pro primary industry

Field Development Planning & Subsurface Reservoir Engineering (EUALAAAC)

Keywords

• Offshore oil exploration
• Upstream oil production
• Petroleum field development
• FPSO-based production
• Hydrocarbon reserves development

Headquarters

HQ city

Salisbury

HQ country

United Kingdom

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Operations, Technology or R&D, Personnel, Others, Infrastructure

Revenue model

1. Oil Production Revenue: When Sea Lion production commences (target Q1 2028), revenue will be generated from sale of crude oil produced at the field. Rockhopper holds 35% working interest with operator Navitas holding 65%. Revenue is subject to Falkland Islands corporate income taxes, state royalties, capital costs, and abandonment costs.
2. Asset Disposal: Ongoing disposal of Italian assets to Zodiac Energy Limited (pending Italian regulatory approval). SPA signed October 2024 for Rockhopper Civita Limited holding Italian assets except Ombrina Mare arbitration claims.
3. Arbitration Awards: International arbitration proceedings under Energy Charter Treaty. Previous €190m ICSID award for Ombrina Mare was annulled; new claim resubmitted September 2025.

Go-to-market motion2 records

Distribution channels1 record

Marketing channels4 records

Core offering

Rockhopper Exploration is an upstream oil and gas exploration and production company that holds a 35% non-operated working interest in the Sea Lion oil field and surrounding licenses in the North Falkland Basin, with Navitas Petroleum (65% WI) as operator. The company is developing Sea Lion in phased FPSO-based production campaigns, with Phase 1 first oil targeted for Q1 2028. It also holds 100% working interest in South & East Falkland Basin licenses and is divesting its legacy Italian assets.

Product overview

Rockhopper Exploration is an oil and gas exploration and production company with key interests in the Falkland Islands and Italy. The company operates as a non-operated partner (35% working interest) in the North Falkland Basin where it discovered the world-class Sea Lion oil field in 2010. Following Final Investment Decision in December 2025, the company is developing Sea Lion in phases using FPSO vessels, with Phase 1 targeting first oil in Q1 2028. Rockhopper also holds 100% of South & East Falkland Basin licenses and has legacy assets in Italy. The portfolio includes producing infrastructure (Aoka Mizu FPSO for Phases 1&2) and planned expansion (OSX-1 FPSO for Central Development Area), with independent audited 2P reserves of approximately 110 MMBBL net to Rockhopper.

Differentiator

Problem solved

Functional benefit

Products and services

• Sea Lion Field Development World-class oil field in the North Falkland Basin, discovered by Rockhopper in 2010. Phase 1 development sanctioned in December 2025 with first oil targeted Q1 2028. Rockhopper holds 35% working interest, Navitas Petroleum holds 65% and is operator.
• North Falkland Basin Licenses Rockhopper holds 35% working interest in multiple licenses (PL003a, PL003b, PL004a, PL004b, PL004c, PL005, PL032, PL033) in the North Falkland Basin, operated by Navitas Petroleum. Contains Sea Lion, Isobel Deep, Isobel-Elaine, Beverley, Casper South, Zebedee discoveries.
• South & East Falkland Basin Licenses Rockhopper holds 100% working interest in licenses PL011, PL012 and PL014 in the South & East Falkland Basin. Became operator in 2017 following withdrawal of Noble Energy and Edison. Licenses extended to December 2026.
• Italian Assets Legacy oil and gas interests in Italy including AC19 (15% working interest) with Aida and Dorotea gas fields, and Monte Grosso (23% working interest). An SPA for disposal of Italian assets (except Ombrina Mare claims) was signed in October 2024. Ombrina Mare arbitration award was annulled in June 2025 and new claim under ECT is being resubmitted.

Quantifiable outcome

• First oil targeted Q1 2028 from Phase 1 development (55,000 bopd gross)
• +2 more outcomes

Named customers1 record

Segments1 record

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Four partnerships are on record, tiered minor and core.

• Zodiac Energy LimitedminorStrategic or Co-development Partner · 14 October 2024Signed share purchase agreement to acquire Rockhopper Civita Limited (wholly-owned subsidiary) holding all Rockhopper Italian assets and liabilities except Ombrina Mare arbitration claims. Conditional on FIG and Italian regulatory approvals. FIG approval received; Italian approval pending as of June 2026.
• Navitas PetroleumcoreStrategic or Co-development Partner · 1 April 2022Navitas Petroleum acquired all Harbour Energy's Falkland Islands licences in April 2022, becoming 65% working interest holder and operator of Sea Lion. Rockhopper retains 35% working interest. Transaction received regulatory consents from FIG and UK Secretary of State. Navitas is a Tel Aviv-listed E&P company and Sea Lion is their largest operated development asset.
• Bluewater (FPSO Operator)coreTechnology or IntegrationBluewater operates the Aoka Mizu FPSO vessel for Sea Lion development. Served notice on FPSO and vessel left previous production location mid-2026 for refurbishment ahead of Sea Lion deployment.
• Falkland Islands GovernmentcoreStrategic or Co-development PartnerLicensing authority for North and South Falkland Basin petroleum licences. Granted extensions to licences. Approved Sea Lion development. Beneficiary of oil revenues through corporate income taxes.

Scale indicators14 records

Recent moves7 records

Expansion highlights5 records

Direct peers

• Touchstone Exploration: AIM/TSX-listed small-cap E&P focused on Trinidad onshore and offshore development. Like Rockhopper, Touchstone relies on phased development, repeated equity raises, and operator partnerships to progress from appraisal to production.
• Serica Energy: AIM-listed North Sea E&P focused on non-operated and partial-operated stakes (Bruce, Keith, Triton). Serica's experience taking non-operated working interests from larger operators closely resembles Rockhopper's 35% stake in Sea Lion alongside Navitas.
• Harbour Energy: UK-listed (LSE: HBR) upstream E&P formed from the Premier Oil / Chrysaor merger — the same Premier Oil that previously operated Sea Lion. Harbour's North Sea-focused production profile and AIM-to-main-market trajectory make it the closest large-cap comparable for Rockhopper.
• EnQuest: AIM/LSE-listed North Sea E&P with a mix of operated and non-operated interests, including recent FPSO redeployment (Kraken). Its hybrid operator/non-operator model is directly comparable to Rockhopper's post-FID Sea Lion structure.
• Tullow Oil: UK-listed (LSE: TLW) frontier-focused E&P with West African and South American offshore assets. Tullow's capital-constrained development profile and reliance on institutional recapitalisations mirror Rockhopper's pre-FID funding history.
• Challenger Energy Group: AIM-listed frontier E&P (formerly Bahamas Petroleum) that held acreage adjacent to Rockhopper's historic Falkland interests. Challenger's small-cap frontier-development model and AIM-listed funding pattern are directly comparable.
• Echo Energy: AIM-listed small-cap E&P historically focused on Argentine and Italian assets. Echo's frontier-development profile, AIM listing, and exposure to Italian regulatory risk parallel Rockhopper's pre-divestiture Italian portfolio.
• Pharos Energy: AIM/LSE-listed frontier E&P with assets in Vietnam and Egypt (formerly EnCore Oil). Pharos's small-cap, frontier-development profile and reliance on asset sales and farm-downs to fund development make it a close comparable for Rockhopper's pre-production phase.
• Cairn Energy: UK-listed exploration-led E&P with a frontier-asset focus (now predominantly Cairn India and Mediterranean). Rockhopper's chairman Simon Thomson is Cairn's former CEO, and SID Paul Mayland was its COO, making Cairn the most direct institutional and operational comparable.
• Borders & Southern Petroleum: AIM-listed pure-play Falkland Islands explorer with the Darwin discovery and other South Falkland Basin prospects. B&S provides the most direct Falklands-basin analogue to Rockhopper's North Falkland Basin acreage.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat4 records

Key risks7 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/rockhopper-exploration-plc

Revenue estimate

Valuation estimate

Number of profiles

Profiles9 records

Subsidiaries7 records

Funding overview

Funding rounds2 records

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A3 records

Investments2 records

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Rockhopper Exploration