Tullow Oil plc 2011/2012 Corporate Responsibility Report - The Group

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Independent assurance report to Tullow Group Services Limited on the Tullow Oil plc 2011/2012Corporate Responsibility Report (“the Report”).Scope of assurance workWe have been engaged by the Board of Directors of TullowGroup Services Limited to perform limited assurance 1procedures on Tullow Oil plc’s (“Tullow Oil”) Group levelcompilation on the following environmental, safety, socialand social enterprise performance indicators on pages 81,82 and 83 for the financial year ending 31 December 2011:Environment CO 2and CH 4emissions (tonnes) Tonnes CO 2and CH 4/thousand tonnes hydrocarbonproduced Production emissions: CO 2and CH 4(tonnes) Drilling emissions: CO 2and CH 4(tonnes) Well test emissions: CO 2and CH 4(tonnes) Water usage (m 3 ) Oil and chemical spills (number) Oil and chemical spills (tonnes) Total waste (tonnes) Percentage of waste recycled/reused/treatedSafety Hours worked (total hours) Number of employee fatalities Number of contractor fatalities Number of third party fatalities Lost time injuries (LTIs) (total number) Lost time injury frequency rate (LTIFR) Total recordable injuries (TRI) (total number) Total recordable injury frequency rate (TRIFR) High Potential Incidents (HiPo) (total number)Social (total and by region) Number of employees Number of contractors Number of expatriates Number of locals Total workforce Number of female employees Number of female managers Number of managersSocial Enterprise Discretionary expenditure ($ ‘000)Basis of our assurance work and our assurance proceduresWe carried out limited assurance in accordance with theInternational Standards on Assurance Engagements 3000 (ISAE3000). To achieve limited assurance the ISAE 3000 requires thatwe review the processes and systems used to compile theindicators on which we provide assurance. It does not includedetailed testing of source data or the operating effectiveness ofprocesses and internal controls. This provides less assuranceand is substantially less in scope than a reasonableassurance 1 engagement.80Tullow Oil plc 2011/2012 Corporate Responsibility ReportThe evaluation criteria used for our assurance are Tullow Oil’sdefinitions and basis of reporting the indicators as describedon www.tullowoil.com/crr2011/borConsidering the risk of material error, a multi-disciplinary teamof corporate responsibility and assurance specialists plannedand performed our work to obtain all the information andexplanations we considered necessary to provide sufficientevidence to support our assurance conclusion. Our work wasplanned to mirror Tullow Oil’s own Group level compilationprocesses, tracing how data for each indicator within ourassurance scope was collected, collated and validated byGroup head office and included in the Report.Our work was based at head office and involved reviewingdata collection, collation and validation at Group level only.Our assurance conclusionBased on the scope of our work and assurance procedures weperformed, nothing has come to our attention that causes us tobelieve that the indicators compiled as described in Tullow Oil’sbasis of reporting for environmental, safety, social and socialenterprise performance indicators as above and as on pages 81,82 and 83, are materially misstated.Responsibilities of Directors and independentassurance providerThe Directors are responsible for the preparation of the Reportand statement contained within it. They are responsible fordetermining Tullow Oil’s objectives in respect of environmental,safety and social performance and for establishing andmaintaining appropriate performance management and internalcontrol systems from which the reported information is derived.Our responsibility is to independently express conclusions onreliability of management’s assertions on the selected subjectmatters as defined within the scope of work above.We performed the engagement in accordance with Deloitte’sindependence policies, which cover all of the requirements ofthe International Federation of Accountants (IFAC) Code ofEthics and in some areas are more restrictive. We confirm toTullow Group Services Limited that we have maintained ourindependence and objectivity throughout the year, including thefact that there were no events or prohibited services providedwhich could impair that independence and objectivity in theprovision of this engagement.This Report is made solely to Tullow Group Services Limited inaccordance with our letter of engagement for the purpose ofthe directors’ governance and stewardship. Our work has beenundertaken so that we might state to the Company thosematters we are required to state to them in this report and forno other purpose. To the fullest extent permitted by law, we donot accept or assume responsibility to anyone other than TullowGroup Services Limited for our work, for this report, or for theconclusions we have formed.Deloitte LLPLondon, 26 June 20121The levels of assurance engagement are defined in ISAE 3000. A reasonablelevel of assurance is similar to the audit of financial statements; a limitedlevel of assurance is similar to the review of a half year financial report.
Supplementary informationTULLOW DATA IN DETAILThese pages provide the reader with the base data found in this report and information on keycorporate policies and systems. In addition to this, the basis of reporting and GRI Content Index arepublished online at www.tullowoil.com/crr2011/bor and www.tullowoil.com/crr2011/gri respectively.4SUPPLEMENTARY INFORMATIONENVIRONMENTAL PERFORMANCEAtmospherics2011 2010 2009 2008 2007CO 2emissions (tonnes) * 1,223,983 265,437 86,543 193,109 234,462CH 4emissions (tonnes) * 7,267 1,395 24 + 214 314Tonnes CO 2/thousand tonnes hydrocarbon produced * 232 178 89 88 124Tonnes CH 4/thousand tonnes hydrocarbon produced * 1.38 0.93 0.02 + 0.10 0.17Production emissionsCO 2(tonnes) * 1,069,890 125,928 ++ 7,829 179,143 199,198CH 4(tonnes) * 7,090 1,242 14 + 171 167Drilling emissionsCO 2(tonnes) * 130,732 115,194 ++ 78,019 11,334 23,597CH 4(tonnes) * 7.35 0.09 7 + 0.80 1Well test emissionsCO 2(tonnes) * 23,362 24,315 695 2,632 11,667CH 4(tonnes) * 169 152 3 + 42 150Water usageWater usage (m 3 ) – all operational sites * 10,408,240 107,423 71,683 62,380 39,496WasteTotal waste (tonnes) * 32,707 – – – –Recycled/Reused/Treated (%) * 84.29 – – – –SpillsOil and chemical spills * 14 4 5 6 1Oil and chemical spills (tonnes) * 311 4.59 +++ 0.94 trace 1.4*Indicates data reviewed by Deloitte as part their assurance work. See page 80 for the independent assurance report.+This 2009 data has been restated using an updated conversion factor.++The 2010 figure for production and drilling CO 2emissions (tonnes) includes an estimated split in total emissions for Ghana. A new system is in placeto avoid these assumptions for 2011.+++The 2010 figure for oil and chemical spills (tonnes) excludes an unknown quantity of black and grey water spilled in Bangladesh.81www.tullowoil.com
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Tullow Oil plc 2011/2012 Corporate
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ABOUT THIS REPORTEach year, we soli
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4Chairman’s statementFor companie
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More informationPageSpecial feature
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More informationPageCode of Busines
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1OVERVIEWCOMMERCIAL QUANTITIESOF OI
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More informationPageGovernance 56Lo
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More informationPageEHS performance
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More informationPageGhana baseline
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18Stakeholder engagementBuilding a
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Area for improvementTullow’s cont
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2STAKEHOLDER PRIORITIESACCESS ANDIN
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RESPONSIBLEBUSINESSCreating shared
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MauritaniaEDPSenegalESierra Leone E
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Page 41 and 42: THE ENVIRONMENTOur activities in So
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Page 53 and 54: GOVERNANCE2011/2012 key objectives
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Page 77 and 78: “Our entrepreneurial culturelends
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Page 89 and 90: Contacts and feedbackComprehensive
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Tullow Oil plc 2011/2012 Corporate Responsibility Report - The Group

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