FR EA
1016-00003 · Client 1016 · ESG Workstream
esg-data-verification-checklist.xlsx DOCUMENT Capital Markets
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Contract analysis Extract to table

[sheet: Verification Summary]

FieldDetail
Matter Number1016-00003
ClientDunmore Energy Holdings Ltd.
Transaction$850,000,000 9.375% Senior Secured Notes due 2032
Co-IssuerDunmore upstream Finance Corp.
Document VerifiedFinal Offering Memorandum — Environmental and Social Responsibility Section
ESG Data SourceBarrisford Advisory Group LLC
Barrisford Lead ConsultantNathan Reyes Linley CPAs LLP
Barrisford Address1700 K Street NW, Suite 900, Washington, DC 20006
Barrisford Report DateApril 22, 2025
Reporting PeriodFiscal Year 2024 (January 1 – December 31, 2024)
C&H Responsible PartnerJennifer Kwon
C&H Verification LeadClaire Dempsey
C&H Review AssociateEric Johannsen
Verification CommencedApril 28, 2025
Verification CompletedMay 12, 2025
StatusComplete — All Data Points Verified
NotesCross-referenced Barrisford data package against OM draft sections; clarification requests sent to Nathan Reyes Linley CPAs LLP via email on approximately April 29, 2025 regarding Scope 1 emissions methodology, methane flaring intensity calculation, and community development spend breakdown

[sheet: GHG Emissions Verification]

Item No.OM Section ReferenceData Point DescriptionOM Stated ValueUnitBarrisford Source Document / ExhibitBarrisford Source ValueMatchMethodology / Basis ConfirmedReporting BoundaryNotes / CommentsVerified ByVerification Date
1Environmental and Social Responsibility, p. 142Scope 1 GHG Emissions — Total Consolidated1.42 million metric tons CO₂emillion metric tons CO₂eBarrisford ESG Data Package, Exhibit A-1, Table 31.42 million metric tons CO₂eYesGHG Protocol Corporate Standard; operational control approachAll operated assets: OML 47, OML 63, Cayar Offshore Block, Green Canyon / Garden Banks (GoM), West Texas solar portfolio (Dunmore Renewables LLC)Scope 1 includes direct combustion, process emissions, flaring, and fugitive emissions. Methodology confirmed via clarification email to Nathan Reyes Linley CPAs LLP.Claire Dempsey2025-05-02
2Environmental and Social Responsibility, p. 142Scope 1 GHG Emissions — Nigeria Operations (OML 47 & OML 63)0.87 million metric tons CO₂emillion metric tons CO₂eBarrisford ESG Data Package, Exhibit A-1, Table 3a0.87 million metric tons CO₂eYesGHG Protocol; operational control; includes flaring at Niger Delta facilitiesDunmore Nigeria E&P Ltd. operated assetsSubset of total Scope 1; confirmed breakdown with BarrisfordClaire Dempsey2025-05-02
3Environmental and Social Responsibility, p. 142Scope 1 GHG Emissions — Senegal Operations (Cayar Offshore Block)0.14 million metric tons CO₂emillion metric tons CO₂eBarrisford ESG Data Package, Exhibit A-1, Table 3b0.14 million metric tons CO₂eYesGHG Protocol; operational controlDunmore Senegal S.A. operated assetsEarly-stage production; lower absolute emissionsClaire Dempsey2025-05-02
4Environmental and Social Responsibility, p. 142Scope 1 GHG Emissions — GoM Operations0.31 million metric tons CO₂emillion metric tons CO₂eBarrisford ESG Data Package, Exhibit A-1, Table 3c0.31 million metric tons CO₂eYesGHG Protocol; operational control; BSEE reported data cross-checkedDunmore Gulf Operations LLC — Green Canyon and Garden Banks leasesIncludes deepwater drilling and production platform emissionsClaire Dempsey2025-05-02
5Environmental and Social Responsibility, p. 142Scope 1 GHG Emissions — West Texas Solar and Other0.10 million metric tons CO₂emillion metric tons CO₂eBarrisford ESG Data Package, Exhibit A-1, Table 3d0.10 million metric tons CO₂eYesGHG Protocol; includes midstream operations (Dunmore Midstream Holdings Inc.) and de minimis solar O&MDunmore Renewables LLC and Dunmore Midstream Holdings Inc.Sum of rows 2–5 = 0.87 + 0.14 + 0.31 + 0.10 = 1.42, consistent with row 1 totalClaire Dempsey2025-05-02
6Environmental and Social Responsibility, p. 142Scope 2 GHG Emissions — Total Consolidated0.18 million metric tons CO₂emillion metric tons CO₂eBarrisford ESG Data Package, Exhibit A-2, Table 40.18 million metric tons CO₂eYesGHG Protocol Corporate Standard; location-based methodAll operated assetsPurchased electricity for offices, processing facilities, and onshore infrastructure. Confirmed methodology (location-based vs. market-based) with Barrisford.Claire Dempsey2025-05-02
7Environmental and Social Responsibility, p. 142Scope 2 GHG Emissions — Nigeria Operations0.09 million metric tons CO₂emillion metric tons CO₂eBarrisford ESG Data Package, Exhibit A-2, Table 4a0.09 million metric tons CO₂eYesGHG Protocol; location-based; Nigeria grid emission factor appliedDunmore Nigeria E&P Ltd. — onshore processing facilities and officesLargest Scope 2 contributor due to grid carbon intensity in NigeriaClaire Dempsey2025-05-02
8Environmental and Social Responsibility, p. 142Scope 2 GHG Emissions — GoM Operations0.05 million metric tons CO₂emillion metric tons CO₂eBarrisford ESG Data Package, Exhibit A-2, Table 4b0.05 million metric tons CO₂eYesGHG Protocol; location-based; ERCOT/SERC grid emission factorsDunmore Gulf Operations LLC — onshore support facilitiesIncludes shore-based operations and logistics hubsClaire Dempsey2025-05-02
9Environmental and Social Responsibility, p. 142Scope 2 GHG Emissions — Senegal and Other0.04 million metric tons CO₂emillion metric tons CO₂eBarrisford ESG Data Package, Exhibit A-2, Table 4c0.04 million metric tons CO₂eYesGHG Protocol; location-basedDunmore Senegal S.A., Dunmore Renewables LLC, corporate officesSum of Scope 2 sub-rows: 0.09 + 0.05 + 0.04 = 0.18, consistent with row 6 totalClaire Dempsey2025-05-02
10Environmental and Social Responsibility, p. 142Total Scope 1 + Scope 2 GHG Emissions1.60 million metric tons CO₂emillion metric tons CO₂eBarrisford ESG Data Package, Exhibit A-31.60 million metric tons CO₂eYesSum of Scope 1 and Scope 2All operated assets1.42 + 0.18 = 1.60; confirmedClaire Dempsey2025-05-02
11Environmental and Social Responsibility, p. 142GHG Emissions Intensity — Consolidated22.4 kg CO₂e/boekg CO₂e/boeBarrisford ESG Data Package, Exhibit A-4, Table 522.4 kg CO₂e/boeYesTotal Scope 1 + 2 emissions divided by gross operated production (boe)All operated assetsIntensity metric based on FY 2024 production of approximately 71.4 million boe; 1,600,000 metric tons / 71,400,000 boe ≈ 22.4 kg CO₂e/boeClaire Dempsey2025-05-02
12Environmental and Social Responsibility, p. 142Year-over-Year Change in Total GHG Emissions (Scope 1 + 2)3.2% reduction vs. FY 2023percentageBarrisford ESG Data Package, Exhibit A-53.2% reduction (FY 2023: 1.653 million metric tons CO₂e)YesYear-over-year comparison; FY 2023 baseline from prior Barrisford reportAll operated assetsReduction driven primarily by GoM operational efficiency improvements and reduced flaring at OML 63. (1.653 - 1.60) / 1.653 = 3.2%Claire Dempsey2025-05-02

[sheet: Methane Flaring Verification]

Item No.OM Section ReferenceData Point DescriptionOM Stated ValueUnitBarrisford Source Document / ExhibitBarrisford Source ValueMatchIndustry Average BenchmarkBenchmark SourceMethodology / Basis ConfirmedNotes / CommentsVerified ByVerification Date
1Environmental and Social Responsibility, p. 143Methane Flaring Intensity — Consolidated3.8 m³/boem³/boeBarrisford ESG Data Package, Exhibit B-1, Table 63.8 m³/boeYes5.1 m³/boe (industry average)Barrisford industry benchmarking report (2024); World Bank GGFR dataFlaring intensity = total volume flared (m³) ÷ total production (boe); FY 2024 production across all operated assetsDunmore's flaring intensity 25.5% below industry average. Clarification requested from Nathan Reyes Linley CPAs LLP on denominator (gross vs. net production); confirmed gross operated production used.Claire Dempsey2025-05-03
2Environmental and Social Responsibility, p. 143Methane Flaring Intensity — Nigeria (OML 47 & OML 63)4.9 m³/boem³/boeBarrisford ESG Data Package, Exhibit B-1, Table 6a4.9 m³/boeYes5.1 m³/boeBarrisfordHigher flaring in Niger Delta operations; still below industry averageNigeria flaring intensity higher than consolidated figure due to associated gas volumes at OML 47Claire Dempsey2025-05-03
3Environmental and Social Responsibility, p. 143Methane Flaring Intensity — Senegal (Cayar Offshore Block)2.6 m³/boem³/boeBarrisford ESG Data Package, Exhibit B-1, Table 6c2.6 m³/boeYes5.1 m³/boeBarrisfordNewer offshore facilities with modern gas handling systemsLower flaring intensity reflects recent investment in gas capture at Cayar OffshoreClaire Dempsey2025-05-03
4Environmental and Social Responsibility, p. 143Methane Flaring Intensity — GoM1.2 m³/boem³/boeBarrisford ESG Data Package, Exhibit B-1, Table 6b1.2 m³/boeYes5.1 m³/boeBarrisfordDeepwater operations with gas capture infrastructureBSEE regulations minimize routine flaring in GoMClaire Dempsey2025-05-03
5Risk Factors — ESG and Climate, p. 48Industry Average Flaring Intensity (benchmark)5.1 m³/boem³/boeBarrisford ESG Data Package, Exhibit B-25.1 m³/boeYesN/AWorld Bank GGFR 2024 Global Gas Flaring TrackerBenchmark used in OM comparative languageConfirmed source and year with Barrisford; data reflects calendar year 2023 (most recent available)Claire Dempsey2025-05-03
6Environmental and Social Responsibility, p. 143Total Volume of Gas Flared — Consolidated (FY 2024)271.3 million m³million m³Barrisford ESG Data Package, Exhibit B-3, Table 7271.3 million m³YesN/AN/AAbsolute volume flared; denominator for intensity calculation: 271.3M m³ / 71.4M boe ≈ 3.8 m³/boeConfirmed volumetric data consistent with intensity figure and production baseClaire Dempsey2025-05-03

[sheet: Community Spend Verification]

Item No.OM Section ReferenceData Point DescriptionOM Stated ValueCurrencyBarrisford Source Document / ExhibitBarrisford Source ValueMatchCategory Breakdown AvailableBreakdown DetailMethodology / Basis ConfirmedNotes / CommentsVerified ByVerification Date
1Environmental and Social Responsibility, p. 144Community Development Spend — Nigeria (FY 2024, Total)$14.2 millionUSDBarrisford ESG Data Package, Exhibit C-1, Table 8$14.2 millionYesYesSee breakdown rows belowAggregate spend by Dunmore Nigeria E&P Ltd. on community development initiatives in host communities surrounding OML 47 and OML 63 in the Niger DeltaClarification email sent to Nathan Reyes Linley CPAs LLP requesting detailed breakdown by category; breakdown confirmed and verified below.Claire Dempsey2025-05-04
2Environmental and Social Responsibility, p. 144Community Development — Education and Training$4.8 millionUSDBarrisford ESG Data Package, Exhibit C-1, Table 8a$4.8 millionYesN/AScholarships, school construction, vocational training in Niger Delta communitiesSub-total of education-related programsConsistent with Dunmore management representationsClaire Dempsey2025-05-04
3Environmental and Social Responsibility, p. 144Community Development — Healthcare$3.6 millionUSDBarrisford ESG Data Package, Exhibit C-1, Table 8b$3.6 millionYesN/AClinic construction and medical supply programsSub-total of healthcare programsClaire Dempsey2025-05-04
4Environmental and Social Responsibility, p. 144Community Development — Infrastructure (Roads, Water, Power)$3.9 millionUSDBarrisford ESG Data Package, Exhibit C-1, Table 8c$3.9 millionYesN/ARoad rehabilitation, clean water projects, electrificationSub-total of infrastructure programsClaire Dempsey2025-05-04
5Environmental and Social Responsibility, p. 144Community Development — Livelihoods and Economic Empowerment$1.9 millionUSDBarrisford ESG Data Package, Exhibit C-1, Table 8d$1.9 millionYesN/AMicrofinance, agricultural support, small business grantsSub-total of livelihood programsSum of rows 2–5: $4.8M + $3.6M + $3.9M + $1.9M = $14.2M; reconciles to totalClaire Dempsey2025-05-04
6Environmental and Social Responsibility, p. 144Community Development Spend — Year-over-Year Change18.3% increase vs. FY 2023USDBarrisford ESG Data Package, Exhibit C-218.3% increase (FY 2023: $12.0 million)YesN/AFY 2023 total community spend was $12.0M; increase of $2.2MYear-over-year comparison to demonstrate commitment trajectory($14.2M - $12.0M) / $12.0M = 18.3%; confirmedClaire Dempsey2025-05-04
7Environmental and Social Responsibility, p. 144Number of Host Communities Benefited47 communitiesN/ABarrisford ESG Data Package, Exhibit C-347 communitiesYesN/AHost communities across OML 47 and OML 63 concession areasCount of distinct communities receiving at least one community development program benefit in FY 2024Confirmed with Barrisford and Dunmore Nigeria community liaison officeClaire Dempsey2025-05-04

[sheet: Net-Zero and Other ESG Claims]

Item No.OM Section ReferenceData Point / Statement DescriptionOM Stated LanguageBarrisford Source Document / ExhibitBarrisford Source ConfirmationMatch / ConsistentForward-Looking StatementSafe Harbor / Cautionary Language ReviewedNotes / CommentsVerified ByVerification Date
1Environmental and Social Responsibility, p. 145Net-Zero by 2050 CommitmentDunmore has committed to achieving net-zero Scope 1 and Scope 2 greenhouse gas emissions across its operated portfolio by 2050.Barrisford ESG Data Package, Exhibit D-1 (Net-Zero Roadmap Summary)Confirmed: Dunmore board resolution dated March 2024 establishing net-zero by 2050 target; Barrisford prepared interim milestonesYesYesYes — reviewed by C&H (see Net-Zero Commitment Disclosure Review memo); PSLRA safe harbor and meaningful cautionary language included in OMForward-looking statement; appropriate cautionary language confirmed present in OM. Greenwashing liability analysis completed separately.Claire Dempsey2025-05-05
2Environmental and Social Responsibility, p. 145Interim Target — 30% Reduction by 2035Dunmore targets a 30% reduction in Scope 1 and Scope 2 emissions intensity by 2035 relative to a 2022 baseline.Barrisford ESG Data Package, Exhibit D-1 (Net-Zero Roadmap Summary)Confirmed: 30% intensity reduction target by 2035 vs. 2022 baseline established in board resolution; Barrisford validated baseline calculationYesYesYes — reviewed in conjunction with net-zero commitment; cautionary language covers interim targetsForward-looking statement; baseline year 2022 emissions intensity confirmed at 24.8 kg CO₂e/boe per Barrisford.Claire Dempsey2025-05-05
3Environmental and Social Responsibility, p. 145220 MW Solar Portfolio — West TexasDunmore Renewables LLC operates a 220 MW solar portfolio in West Texas as part of its energy transition strategy.Barrisford ESG Data Package, Exhibit D-2Confirmed: 220 MW nameplate capacity; five solar installations operational as of Q4 2024YesNoN/AFactual statement; verified against Dunmore Renewables LLC operational data and Barrisford reportClaire Dempsey2025-05-05
4Environmental and Social Responsibility, p. 145Carbon Capture Feasibility StudyDunmore is conducting a feasibility study for carbon capture and storage (CCS) at its GoM operations, with results expected in 2026.Barrisford ESG Data Package, Exhibit D-4 (CCS Feasibility Overview)Confirmed: CCS feasibility study commissioned Q3 2024; partnership with Gulf Coast Carbon Solutions Inc.; expected completion H2 2026YesYesYes — cautionary language regarding feasibility and no assurance of project proceeding included in OMForward-looking statement; no capital commitment yet disclosed. Confirmed study scope with Barrisford.Claire Dempsey2025-05-05
5Risk Factors — ESG and Climate, p. 49Climate Transition Risk DisclosureThe transition to a lower-carbon economy, including potential carbon pricing, shifting regulatory requirements, and evolving investor expectations, could adversely affect the value of our oil and gas reserves and our ability to access capital.Barrisford ESG Data Package, Exhibit D-3 (Transition Risk Assessment)Consistent with Barrisford's qualitative assessment of transition risks for upstream O&G operatorsYesYesYes — reviewed in ESG Risk Factor Drafting MemorandumRisk factor language; not a specific data point but consistency with Barrisford assessment confirmedClaire Dempsey2025-05-05
6Risk Factors — ESG and Climate, p. 49Physical Climate Risk DisclosureOur operations may be subject to physical risks associated with climate change, including increased frequency and severity of extreme weather events, which could disrupt operations and damage infrastructure.Barrisford ESG Data Package, Exhibit D-3 (Physical Risk Assessment)Consistent with Barrisford's physical risk assessment; GoM hurricane exposure and Niger Delta flooding risk specifically notedYesYesYes — reviewed in ESG Risk Factor Drafting MemorandumRisk factor language; Barrisford assessment references IPCC AR6 and RCP 4.5/8.5 scenariosClaire Dempsey2025-05-05
7Environmental and Social Responsibility, p. 143Employees — Worldwide~3,400Barrisford ESG Data Package, Exhibit E-1 (Social Metrics)~3,400 as of December 31, 2024YesNoN/AHeadcount confirmed with Dunmore HR and BarrisfordClaire Dempsey2025-05-05
8Environmental and Social Responsibility, p. 143Lost Time Injury Frequency Rate (LTIFR)0.32 per 200,000 work hoursBarrisford ESG Data Package, Exhibit E-2 (Safety Metrics)0.32 per 200,000 work hours (FY 2024)YesNoN/ASafety metric; confirmed methodology consistent with OSHA recordkeeping standards. Below industry average of 0.48 per Barrisford benchmarking.Claire Dempsey2025-05-05
9Environmental and Social Responsibility, p. 144Water Recycling Rate — Consolidated74%Barrisford ESG Data Package, Exhibit E-3 (Environmental Metrics)74% of produced water recycled or reused in operations (FY 2024)YesNoN/AFactual statement; represents percentage of produced water that is recycled or reused across all operated assets. Confirmed calculation basis with Barrisford.Claire Dempsey2025-05-05
10Environmental and Social Responsibility, p. 145Renewable Energy Investment to Date$310 million cumulative capital deployedBarrisford ESG Data Package, Exhibit D-2 (Renewables Summary)$310 million cumulative capital deployed through December 31, 2024YesNoN/ACumulative capex in Dunmore Renewables LLC since inception (2019). Verified against Barrisford and management representations.Claire Dempsey2025-05-05

[sheet: Open Items and Clarifications L]

Item No.Date RaisedRaised ByDirected ToData Point / QuestionCommunication MethodResponse Received DateResponse SummaryResolution StatusImpact on OMNotes
12025-04-29Claire Dempsey (C&H)Nathan Reyes Linley CPAs LLP (Barrisford Advisory Group LLC)Scope 1 GHG Emissions — Methodology confirmation: GHG Protocol operational control vs. equity share approach?Email2025-04-30Confirmed operational control approach per GHG Protocol Corporate Standard. All operated assets included regardless of equity interest percentage.ClosedNo change to OM; methodology footnote added to ESG section
22025-04-29Claire Dempsey (C&H)Nathan Reyes Linley CPAs LLP (Barrisford Advisory Group LLC)Methane flaring intensity calculation — Is the denominator gross operated production or net equity production?Email2025-04-30Confirmed gross operated production is the denominator, consistent with World Bank GGFR methodology.ClosedNo change to OM; consistent with stated 3.8 m³/boe
32025-04-29Claire Dempsey (C&H)Nathan Reyes Linley CPAs LLP (Barrisford Advisory Group LLC)Community development spend in Nigeria — Please provide category-level breakdown (education, healthcare, infrastructure, livelihoods) for FY 2024 $14.2M total.Email2025-05-01Breakdown provided: Education $4.8M, Healthcare $3.6M, Infrastructure $3.9M, Livelihoods $1.9M. Total sums to $14.2M.ClosedBreakdown referenced in OM narrative but aggregated total figure ($14.2M) used as primary disclosureSum verified: $4.8M + $3.6M + $3.9M + $1.9M = $14.2M
42025-05-01Claire Dempsey (C&H)Nathan Reyes Linley CPAs LLP (Barrisford Advisory Group LLC)Scope 2 emissions — Location-based vs. market-based methodology: which is reported in the 0.18M metric tons figure?Email2025-05-02Confirmed location-based method. Market-based figure not separately calculated for FY 2024.ClosedOM footnote added specifying location-based methodology for Scope 2
52025-05-03Claire Dempsey (C&H)Nathan Reyes Linley CPAs LLP (Barrisford Advisory Group LLC)Industry average flaring benchmark (5.1 m³/boe) — Please confirm source and year.Email2025-05-04Source: World Bank GGFR 2024 Global Gas Flaring Tracker; data as of calendar year 2023 (most recent available).ClosedNo change to OM; source reference noted
62025-05-04Claire Dempsey (C&H)Nathan Reyes Linley CPAs LLP (Barrisford Advisory Group LLC)GHG emissions intensity baseline for 2022 used in 30% reduction target — Please confirm baseline figure and calculation.Email2025-05-05Confirmed 2022 baseline emissions intensity of 24.8 kg CO₂e/boe. Calculation: 1,710,000 metric tons CO₂e (Scope 1+2) / 68,950,000 boe gross operated production = 24.8 kg CO₂e/boe.ClosedNo change to OM; baseline figure consistent with Exhibit D-1
72025-05-05Claire Dempsey (C&H)Nathan Reyes Linley CPAs LLP (Barrisford Advisory Group LLC)LTIFR methodology — Please confirm whether rate is per 200,000 or 1,000,000 work hours and whether contractors are included.Email2025-05-06Confirmed rate of 0.32 per 200,000 work hours per OSHA methodology. Includes employees only; contractor LTIFR tracked separately at 0.41 but not disclosed in OM.ClosedNo change to OM; employee-only basis consistent with OM disclosureContractor LTIFR noted for reference but not included in OM
82025-05-06Claire Dempsey (C&H)Nathan Reyes Linley CPAs LLP (Barrisford Advisory Group LLC)Renewable energy cumulative capex ($310M) — Please confirm whether figure includes only Dunmore Renewables LLC or also midstream hydrogen pilot.Email2025-05-07Confirmed $310M reflects only Dunmore Renewables LLC solar portfolio capital expenditures. Midstream hydrogen pilot ($8M) is excluded and tracked separately.ClosedNo change to OM; $310M figure is accurate as stated