This is in line with the data protection requirements of Regulation EUR2016/279 as amended by the Data Protection, Privacy and Electronic Communications (Amendments etc) (EU Exit) Regulations 2019; the Data Protection Act 2018; and Article 110 of EUR389/2013 as amended by the Greenhouse Gas Emissions (Kyoto Protocol Registry) Regulations 2021. JI projects in UK (Paragraph 46) Note that no Article 6 (Joint Implementation) project is reported as conversion to an ERU under an Article 6 project, as this did not occur in the specified period. The United Kingdom has taken the decision not to host any domestic JI projects, clarification of which is on our registry public reports page registry.service.gov.uk/kp-reports/ Paragraph 47 a/d/f - Holding and transaction information of units Holding and transaction information is provided on a holding type level, due to more detailed information being declared confidential by EU Regulation. Holding and transaction information pursuant to paragraph 47 is provided on holding t ype level. The detailed information on transactions is considered confidential according to Article 110 of EUR389/2013 as amended by the Greenhouse Gas Emissions (Kyoto Protocol The United Kingdom is not hosting domestic JI projects as per paragraph 46 above. The United Kingdom is currently not participating in any LULUCF projects for 2022. No ERUs, CERs, AAUs and RMUs have been cancelled on the basis of activities under Article 3, paragraphs 3 and 4 to date. No ERUs, CERs, AAUs and RMUs have been cancelled following determination by the Compliance Committee that the Party is not in compliance with its commitment under Article No ERUs and CERs have been retired in 2022 for CP2. Information on Accounting of Kyoto Units 12 UK NIR 2023 (Issue 1) Ricardo Energy & Environment Page 551 No carry-over took place in 2022. Account holders authorised to hold Kyoto units in their account (Paragraph 48) The legal entity contact information required by paragraph 48 is considered confidential. This is in line with the data protection requirements of Regulation EUR2016/279 as amended by the Data Protection, Privacy and Electronic Communications (Amendments etc) (EU Exit) Regulations 2019; the Data Protection Act 2018; and Article 110 of EUR389/2013 as amended by the Greenhouse Gas Emissions (Kyoto Protocol Registry) Regulations 2021. 15/CMP.1 Annex I.E paragraph 18 The Annex to Decision 11/CMP.1 (paragraph 6), and decision 1/CMP.8, paragraph 18, ‘each Party included in Annex I shall maintain, in its national registry, a commitment period reserve which should not drop below 90 per cent of the Party’s assigned amount calculated pursuant to Article 3, paragraphs 7 and 8 of the Kyoto Protocol, or 100 per cent of eight times its most recently reviewed inventory, whichever is Therefore, the UK’s commitment period reserve is calculated 2020 Total Emissions* x Total years of the second

Information on Accounting of Kyoto Units 12 UK NIR 2023 (Issue 1) Ricardo Energy & Environment Page 552 *Emissions total is taken the 2022 submission, excluding KP is the UK’s most recently reviewed inventory submitted to fulfil reporting obligations under the Kyoto Protocol, and the final inventory to be compiled using the geographical scope of the Kyoto Protocol second commitment period. In addition, 2020 is the last year of the second commitment period of the The lower of the two numbers is that calculated as 90 per cent of the UK’s assigned amount. The UK’s Commitment Period Reserve is therefore 2,470,443,559 tonnes of CO 2 equivalent (or assigned

Information on Changes to the National System 13 UK NIR 2023 (Issue 1) Ricardo Energy & Environment Page 553 13 Information on Changes to the As of the 7th February 2023, the Department for Business, Energy & Industrial Strategy (BEIS), which served as the UK’s Single National Entity was restructured, and now the Department for Energy Security and Net Zero (DESNZ) has taken the role of the UK’s Single Nation al Entity. The teams within BEIS who implemented BEIS’ obligations as the Single National Entity, and all contracts to BEIS relating to the UK’s obligations for national GHG reporting have been transferred to DESNZ, and therefore there are no changes to th e operational delivery of the UK National System beyond the department under which it is delivered. Information on Changes to the National Registry 14 UK NIR 2023 (Issue 1) Ricardo Energy & Environment Page 554 14 Information on Changes to the The following changes to the national registry of United Kingdom of Great Britain and Northern Ireland have occurred in 2022. Note that the 2022 SIAR confirms that any previous recommendations have been implemented and included in the annual report. 15/CMP.1 annex II.E paragraph 32. (a) The Party reports no change to the name or contact during this period. 15/CMP.1 annex II.E paragraph 32. (b) The Party reports no significant change to the cooperation The UK Registry entered live service in January 2021. DESNZ is accountable for the UK Emissions Trading Scheme (UK ETS) and Kyoto Protocol (KP) on behalf of UK Government. DESNZ delivers Registry services via third -party delivery partners and provides governance in the form of legislation, polic y and Authority -level operations (including public reports). Environment Agency (EA) is responsible for the day -to-day administration of the Registry, including KYC checks, helpdesk and scheme operations (including enforcement). Trasys-Unisystems – is resp onsible for technical matters including Registry service design, development, ongoing maintenance/support and delivery of live service*. Fordway – is responsible for the integration of service delivery, including issue handling, monitoring of service level s, change/release management, and service-level reporting. Responsibility for live Registry services was transferred from BEIS (DevOps) to Trasys-Unisystems in Q1 2022. All necessary readiness documentation requested by the UNFCCC was provided in order to successfully connect to the ITL. These documents submitted in 2021 include all supporting data that was required in order to satisfy the information needed when a significant change is made to Since the registry has been operating, no significant changes have been performed during 2022 and all documentation provided in 2021 continues to be current and valid. 15/CMP.1 Annex II.E paragraph 32. (c) Change to database structure or the The Party reports there have been no changes to the database structure or capacity of the national registry in 2022. 15/CMP.1 Annex II.E paragraph 32.
(d) Change regarding conformance to The Party report there has been no change to the conformance to technical standards during 2022. 15/CMP.1 annex II.E paragraph 32. (e) Change to discrepancies procedures The Party report there has been no change to discrepancies procedures. Information on Changes to the National Registry 14 UK NIR 2023 (Issue 1) Ricardo Energy & Environment Page 555 15/CMP.1 annex II.E paragraph 32. (f) The Party reports no changes have been applied regarding security during 2022. Penetration test sessions have been performed as part of the annual foreseen security review process. These have revealed a series of issues of minor importance that have been prioritized for being 15/CMP.1 annex II.E paragraph 32. (g) Change to list of publicly available The Party reports no changes to its list of publicly available information. In 2021, the UK implemented new Registry software to accommodate a new scheme (United Kingdom Emissions Trading Scheme) and the existing Kyoto Protocol National Registry. Therefore its publicly available information is now located at URL registry.service.gov.uk/kp-reports/ The information continues to be subject to certain confidentiality clauses. This is in line with the data protection requirements of Regulation EUR2016/279 as amended by the Data Protection, Privacy and Electronic Communications (Amendments etc) (EU Exit) Regulations 2019; the Data Protection Act 2018; and Article 110 of EUR389/2013 as amended by the Greenhouse Gas Emissions (Kyoto Protocol Registry) 15/CMP.1 annex II.E paragraph 32. (h) The Party reports no change to the registry internet address during the 15/CMP.1 annex II.E paragraph 32. (i) Change regarding data integrity The Party reports no change to the data integrity measures. 15/CMP.1 Annex II.E paragraph 32. (j) The Party reports no additional changes to its test during the reporting period. As part of the Party’s reconnection to the ITL, all test results, plans and reports were submitted as part of its readiness documentation requirements provided in 2021. Information on Minimization of Adverse Impacts 15 UK NIR 2023 (Issue 1) Ricardo Energy & Environment Page 556 15 Information on minimization of All reporting of information required under Article 3, paragraph 14 for the purposes of the second commitment period of the Kyoto Protocol has now taken place. This information is available in the UK's 1990 -2020 greenhouse gas inventory, published in 2022, which will be used to assess compliance with the UK’s targets under the Doha Amendment. The 2022 NIR submission is available at The UK remains committed to action aimed at minimising the impacts from climate change, including any adverse impacts resulting from action taken to mitigate climate change. The UK's 8th N ational Communication provides a detailed overview of the UK's climate change impact and adaptation measures, financial assistance provided to developing countries to support emissions reductions, and the UK's activities in climate research and observations. The UK’s 8th National Communication is available at

UK NIR 2023 (Issue 1) Ricardo Energy & Environment Page 557 There is no additional information to include in this chapter. UK NIR 2023 (Issue 1) Ricardo Energy & Environment Page 558 References for the main chapters and the annexes are listed here and are organised by chapter and annex. References in this document refer to correct name at the time of original Baggott SL, Lelland A, Passant NP, and Watterson J (2004) Review of Carbon Emission Factors in the UK Greenhouse Gas Inventory. AEA Energy and Environment, The Gemini Building, Fermi Avenue, Didcot, Oxfordshire, OX11 0QR, UK. November 2004. AEA report number AEAT/ENV/R/2347. Report prepared for UK Defra under contract RMP/2106. BEIS (2021), Digest of United Kingdom Energy Statistics 2021, London, The Stationery Office. BEIS (2019a), National Forestry Accounting Plan of the United Kingdom. Forest Reference Level for the Period 2021-2015. BEIS Research paper Number 050/1819. IPCC (1996) Climate Change 1995 – The science of climate change. Contribution of Working Group 1 to the Second Assessment Report of the Intergovernmental Panel on Climate Change, Ed. Houghton, JT., Cambridge University Press. IPCC (1997a), IPCC Revised 1996 Guidelines for National Greenhouse Gas Inventories, Volume 1, Greenhouse Gas Inventory Reporting Instructions, IPCC WGI Technical Support Unit, Hadley Centre, Meteorological Office, Bracknell, UK. IPCC (1997b), IPCC Revised 1996 Guidelines for National Gre enhouse Gas Inventories, Volume 2, Greenhouse Gas Inventory Workbook, IPCC WGI Technical Support Unit, Hadley Centre, Meteorological Office, Bracknell, UK. IPCC (1997c), IPCC Revised 1996 Guidelines for National Greenhouse Gas Inventories, Volume 3, Greenhouse Gas Inventory Reference Manual, IPCC WGI Technical Support Unit, Hadley Centre, Meteorological Office, Bracknell, UK. IPCC (2000), Good Practice Guidance and Uncertainty Management in National Greenhouse Gas Inventories, ed. Penman, J, Kruger, D, Galbally, I, et al., IPCC National Greenhouse Gas Inventories Programme, Technical Support Programme Technical Support Unit, Institute for Global Environmental Strategies, Hayama, Kanagawa, Japan. IPCC (2001), Climate change 2001 – The scientific basis. Contribution of Working Group 1 to the Third Assessment Report of the Intergovernmental Panel on Climate Change, Cambridge IPCC (2003), Good Practice Guidance for Land Use, Land-Use Change and Forestry. Institute for Global Environmental strate gies (IGES) for the Intergovernmental Panel on Climate IPCC (2006), 2006 IPCC Guidelines for National Greenhouse Gas Inventories IPCC (2007), Climate change 2007 – The scientific basis. Contribution of Working Group 1 to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change,

UK NIR 2023 (Issue 1) Ricardo Energy & Environment Page 559 IPCC (2019). The 2019 Refinement to the 2006 IPCC Guidelines for National Gre enhouse Scarbrough, T., Tsagatakis, I., Smith, K., Wakeling, D. (Ricardo), Smith, T., O’Keeffe, E., Hauerhoff, E. (UCL Consultants, U-MAS). (2017). A Review of the NAEI Shipping Emissions Methodology. Ricardo Energy & Environment. air.defra.gov.uk/assets/documents/reports/cat07/1712140936_ED61406_NAEI_shipping_re Airtricity (2021). Gas demand, gas compositional analysis and leakage information for Northern Ireland gas provision by Airtricity in 2020. Personal communication from Airtricity, Baggott SL, Lelland A, Passant NP, and Watterson J (2004) Review of Carbon Emission Factors in the UK Greenhouse Gas Inventory. AEA Energy and Environment, The Gemini Building, Fermi Avenue, Didcot, Oxfordshire, OX11 0QR, UK. November 2004. AEA report number AEAT/ENV/R/2347. Report prepared for UK Defra under contract RMP/2106.
Barty, R (1995), Energy Policy and Analysis Unit, DTI, Personal Communication. Basemap (202 1), Speed Limit Data Basemaps for Great Britain . Bennet, S, Kershaw, S & Burrell, R, (1995), Control Measures for Methane Emissions from Coal Production, ETSU N/01/00006/REP. BEIS (2021). Written clarifi cations regarding scope of data reported in DUKES, based on PPRS. Personal communication (email), 2021. BEIS (2022a), Digest of United Kingdom Energy Statistics 2022, London, The Stationery BEIS (2022b). UK ETS data for all installations, as provided by the UK regulators to BEIS (In most cases this reference also refers to prior years’ ETS data, including those reported under BEIS (2022c). Monthly reports from PPRS, updated to cover all data from 2000 to the end of 2020. The reports covered reporting gas fields, oil fields, offshore loaders, onshore loaders, oil terminals, dry gas terminals and associated gas terminals. BEIS (2012). Clarifications on the scope of data reported within the DUKES long term trends tables, and regarding data capture mechanisms that inform DUKES fuel gas estimates, noting that the 19.7% step change (increase) in reported producers’ own use of natural gas between 2000 to 2001 was due to better data capture from PPRS data. Personal communication BEIS OPRED (202 2). EEMS data from upstream oil and gas installations, personal communication from BEIS OPRED, 2022. BP Chemicals (2015), Personal Communication, David Ingram, BP Chemicals, May 2015. BGS (2021) British Geological UK Minerals Yearbook 2020 British Steel (2021). Emissions and activity data by sub-source within integrated steelworks in 2020. Personal communication from British Steel, April 2021. UK NIR 2023 (Issue 1) Ricardo Energy & Environment Page 560 Brown, P, Wakeling, D, Pang, Y and Murrells TP (2018). “Methodology for the UK’s Road Transport Emissions Inventory”. Task 53/54 of the 2015 GHG Improvement Programme, Report by Ricardo Energy & Environment for the Department for Business, Energy & Industrial Strategy, Report ED59803130, 2018. asets/Airport_stats/Airport_data_2016_annual/Table_03_1_Aircraft_Movements.csv CAA (2019b), personal communication with Jouse Grant, records of individual air transport movements operations between UK and worldwide destinations for all reporting airports. Cadent Gas (2021). Natural gas leakage estimates and gas compositional analysis for all gas distribution infrastructure operated by Cadent Gas. P ersonal communication from Cadent Cayman Islands Government (2019), The Cayman Islands’ Compendium of Statistics 2018 Coal Authority (20 21), Production and manpower returns for 2020 annual data . Personal communication from the Coal Authority, July 2021. ConocoPhillips (2019). 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[Accessed on DRDNI (2016). Department for Regional Development, Northern Ireland Transport Statistics 2014-15. statistics-2014-2015 [Accessed on 13/01/2017]. DfT (2022a ), personal communication, Road Traffic Statistics, Department for Transport, DfT (2022b), personal communication, ANPR Statistics, Licensing Statistics team, July 2022. UK NIR 2023 (Issue 1) Ricardo Energy & Environment Page 562 IPCC (1997), IPCC Revised 1996 Guidelines for National Greenhouse Gas Inventories, Volume 3, Greenhouse Gas Inventory Reference Manual, IPCC WGI Technical Support Unit, Hadley Centre, Meteorological Office, Bracknell, UK. IPCC (2006), 2006 IPCC Guidelines for National Greenhouse Gas Inventories IPCC (2019). The 2019 Refinement to the 2006 IPCC Guidelines for National Greenhouse Isle of Man Government (2019), Isle of Man in Numbers 2018 Iron & Steel Statistics Bureau (20 21), Iron and Steel Industr y, Annual Statistics for the UK, IVL (2004) Cooper, D., Gustafsson, T., Methodology for calculating emissions from 1. Update of emission factors, IVL (Swedish Environmental Research Institute). Kershaw (2005), “Projected Methane Emissions from Abandoned Coal Mines in the UK”, White Young Green report to Defra, 2005. Lakhani (2015). Updated estimates of natural gas use in gas compressors, and in u pstream oil and gas sector were confirmed by Shyam Lakhani of DECC energy statistics, to clarify that the UK GH GI should deviate from DUKES 2015 data for these sources. Personal Leng (2021). UK ammonia production data estimates, 2020. Personal communication, Darren Leng, Environment Agency, July 2021. Livingston (2011), Personal Communication, Fiona Livingston (DECC Offshore Inspectorate) MPA (2022), UK cement clinker production, emissions, and fuel consumption data for all sites in 2020. Personal communication from Diana Casey, 2022 MMO (2022) UK Sea Fisheries Statistics 2021, Marine Management Organisation. ta/file/1107359/UK_Sea_Fisheries_Statistics_2021.pdf MoD (2022), personal communication with MoD, Whitehall, London, September 2022. Murrells et al. (2011). Murrells T, John Norris, Glen Thistlethwaite, Neil Passant, Helen Walker, Nikki Webb (2011). Definitions of Gas Oil and DERV and Allocations to Sectors in the UK Greenhouse Gas Inventory. AEA Report for DECC under Task 5 of the 2011 UK GHG Inventory Improvement Programme. AEAT/ENV/R/3234, November 2011. National Grid (2021). Natural gas le akage estimates and gas compositional analysis for all gas transmission and distribution infrastructure operated by National Grid. Personal communications from National Grid, July 2021. Netcen (2004), “Non-Road Mobile Machinery Usage, Life and Correction Factors”, Report to the Department for Transport, AEAT/ENV/R/1895, November 2004, North Sea Transition Autho rity (2022). Well Operations Notification System , Northern Gas Networks (2021). Natural gas leakage estimates and gas compositional analysis for all gas distribution infrastructure operated by NGN. Personal communication from NGN, Northern Ireland Environment Agency (202 2). Northern Ireland Pollution Inventory (NIPI). Personal communication from NIEA, July 2022. UK NIR 2023 (Issue 1) Ricardo Energy & Environment Page 563 NRW (2022), Welsh Emissions Inventory, waste interrogator data and landfill gas use data, Natural Resources Wales. Personal communication from NRW, August 2022. Off Highway Research Ltd (2000), International Database Service, March 2000 OGA (2019).
Information to outline the data management and quality checking routines for the PPRS dataset. Personal communication, meeting in Aberdeen, December 2019. ORR (20 22) Office of Rail & Road, National Rail Trends Data Portal, PRI (1995), Communication from Precision Research International. PRI (1998), Communication from Precision Research International. Samaras, Z & Zierock Resource Futures, Biodegradability of municipal solid waste (WR1003), 2012 Ricardo-AEA (2014a), GHG Inventory Use of EU ETS Data - Iron and Steel Review of UK data on emissions of GHGs from the Iron and Steel sector to utilise EU ETS data in the national inventory Ricardo-AEA (2014b), GHG Inventory Non -Energy Use of Review of UK data on emissions of GHGs from Process Feedstock and other non-energy uses of fossil fuels. Ricardo (2016). “Updated Emission and Fuel Consumption Factors for Road Transport in the UK Greenhouse Gas Inventory . 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Scottish Pollutant Release Inventory, Personal Communication from the Scottish Environment Protection Agency, July 2022 SGN (2021). Natural gas leakage estima tes and gas compositional analysis for all gas distribution infrastructure operated by SGN, personal communication from SGN, October SMMT (2022). Personal communication with Tim Bruin, Society of Motor Manufacturers and SSI Steel (2015). Emissions and activity data by sub -source within integrated steelworks in 2014. Personal communication from Darren Anderson, Sahaviriya Steel, June 2015. Tata Steel (2021). Emissions and activity data by sub -source within integrated steelworks in 2020. Personal communication from Tata Steel, August 2021. UK NIR 2023 (Issue 1) Ricardo Energy & Environment Page 564 Teletrac Navman (2021), GPS vehicle tracking data for England. Thistlethwaite et al (2022). "UK GHG Inventory Upstream Oil and Gas" Thistlethwaite G, Richmond B and Hoskin E, 2022. 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UKPIA (20 22), Refinery production & emissions data in 20 21, carbon emission factors, petroleum products data from the United Kingdom Petroleum Industry Association . Personal communication from UKPIA, August 2022. UKPIA (20 21b), United Kingdom Petroleum Industry Association, communication o n properties of UK fuels in 2020, July 2021. UK Statistics Authority (20 19). Code of Practice for Statistics. ISBN 978 -1-85774-902-1. UKSA, London, UK. content/uploads/2018/02/Code-of-Practice-for-Statistics.pdf Wales & West Utilities (2021). Natural gas leakage estimates and gas compositional analysis for all gas distribution infrastructure operated by W&W. Personal communication from WWU, Walker, H., Chris Conolly, John Norris and Tim Murrells. Greenhouse Gas Emissions from Inland Waterways and Recreational Craft in the UK. AEAT/ENV/R/3175, Task 25 of the 2010 DA / UK GHG Inventory Improvement Programme, June 2011. Williams, A. 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UK NIR 2023 (Issue 1) Ricardo Energy & Environment Page 565 Food and Rural Affairs. July 2005. AEAT/48209407. Issue 3. AEA, The Gemini Building, Fermi Avenue, Harwell, Didcot, OX11 0QR. AEA (2008), UK emissions of HFCs, PFCs and SF6. 2008 update. Report to DECC/Defra (for external release). Issue 1. December 2008. AEA/ED05478/Issue 1. AEA, The Gemini Building, Fermi Avenue, Harwell, Didcot, OX11 0QR. AEA (2008b), Implementation scoping review of the 2006 IPCC Guidelines on the UK GHG inventory. Prepared for Defra (CEOSA). October 2008 AEA (2010), UK HFC consumptio n and emissions forecasting. Report prepared for the Department for Environment, Food and Rural Affairs, 2010, AEA, Oxfordshire, UK. AEA (2013), UK Greenhouse Gas Inventory, 1990-2011 Annual Report for Submission under the Framework Convention on Climate C hange. Prepared for Department of Energy and Alexander (2019). Information on the abatement technologies and performance of UK nitric acid plant. Personal communication, Ian Alexander, Environment Agency, February 2019. Alvance British Aluminium (2022). Aluminium smelter site emissions for Lochaber production site in 2021, Personal communication August 2022. American Society of Heating, Refrigerating and Air Conditioning Engineers (ASHRAE). 1995. Standard 110-1995 – Method of Testing Performance of Laboratory Fume Hoods. ASSURE (2013), ASSURE note on UK F -Gas emissions for the Fire Protection Sector. Provided by Peter Woodman on 1st and 6th November 2013. BEIS (20 21a), Digest of United Kingdom Energy Statistics 201 9, London, The Stationery BEIS (2021b).
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K., Mühle, J., Arduini, J., Spain, G., Wisher, A., Maione, M., Schuck, T. J., Stanley, K., Reimann, S., Engel, A., Krummel, P. B., Fraser, P. J., Harth, C. M., Salameh, P. K., Weiss, R. F., Gluckman, R., Brown, P. N., Watterson, J. D., and Arnold, Evidence of a recent decline in UK emissions of hydrofluorocarbons determined by the InTEM inverse model and atmospheric measurements, Atmos. Chem. Phys., 21, 12739 –12755, 2021. UK NIR 2023 (Issue 1) Ricardo Energy & Environment Page 595 Manning et al. (2011). Manning, A. J., O'Doherty S., Jones, A. R. Simmonds, P. G. and Derwent R. G., Estimating UK methane and nitrous oxide emissions from 1990 to 2007 using an inversion modelling approach, J. Geophys. Res ., 116, D02305, Manning A.J., Ryall D.B., Derwent R.G., Simmonds P.G. and O’Doherty S., 'Estimating European emissions of ozone -depleting and greenhouse gases using observations and a modelling back-attribution technique', J. Geophysical Research 108, 4405, 2003 Nilsson et al. (2001). 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UK NIR 2023 (Issue 1) Ricardo Energy & Environment Page 596 Baggott et al. (2004). Baggott SL, Lelland A, Passant NP, and Watterson J (2004) Review of Carbon Emission Factors in the UK Greenhouse Gas Inventory. AEA Energy and BEIS (2021a), Digest of United Kingdom Energy Statistics 20 21, London, The Stationery BEIS (2021b). EU ETS data for all UK installations, as provided by the UK regulators to BEIS, personal communication, BEIS, April 2021. BEIS (2021c). Autogenerator gas consumption by refineries and other sectors, as reflected in DUKES. Personal Communication, BEIS, 2021. BEIS OPRED (2021), spreadsheet of emissions d ata from the EU ETS reporting system of site operator annual returns to BEIS OPRED for 2020. British Steel (2021). Emissions and activity data by sub-source within integrated steelworks in 2020. Personal communication from British Steel, April 2021. DECC (2010), email response to EU ETS -DUKES discrepancy issues, Personal Communication (Warren Evans), 2010 Hedmark (2015). Clarifications regarding the completeness and detail of reporting of several EU ETS installations in Scotland, for sites using the “fall -back” reporting approach. Personal communication from Asa Hedmark of SEPA, October 2015. Tata Steel (2021). Emissions and activity data by sub -source within integrated steelworks in 2020. Personal communication from Tata Steel, August 2021. UKPIA (20 21a), Refinery production & emissions data in 20 20, carbon emission factors, petroleum products data from the United Kingdom Petroleum Industry Association, Personal Communication from UKPIA, September 2021. UK NIR 2023 (Issue 1) Ricardo Energy & Environment Page 597 We are grateful for the contributions, advice and support from the following people listed in Person Technical work area and responsibility Brown, Peter Project Manager for the UK Greenhouse Gas Inventory with overall responsibility for the NIR and the CRF 96. Lead Author. Author of the key category analysis annex . Reviewed F-gas sections. Contributions to many chapters. Cardenas, Laura97 Sector expert for Agriculture; author of sections of the NIR and other reporting requirements on agriculture. Del Vento, Sabino Lead author of Chapter 7 and Annex 3.5 Karagianni, Eirini Sector expert and NIR text author for road transport and off-road MacCarthy, Joanna NAEI Contract Manager, lead author of Chapter 1. Contributions Mullen, Paddy UK Greenhouse Gas Inventory Report Manager, contribution to Passant, Neil Industry and combustion sector expert. Lead compiler and NIR author for Energy (stationary combustion), IPPU (except F- gases) and industry and waste incineration. Richmond, Ben Contributions to Annex 4 and Annex 10. Development of UK Thistlethwaite, Glen UK GHG Inventory Technical Director at Ricardo. Inventory compiler and QC of Agriculture sector. Thomson, Amanda98 Sector expert for LULUCF and KP-LULUCF. Main author of LULUCF Chapters 6 and 11, Annex 3.4 and LULUCF sections in Chapters 1 and 2. Contributor to compilation of Sector 4. Wakeling, Daniel Transport sector lead compiler and NIR text author, including road transport, off-road machinery, shipping and fishing. Willis, Daniel Author of Annex 4 and the Trends chapter 96 The UK greenhouse gas inventory is part of the UK National Atmospheric Emissions Inventory contract. The UK National Atmospheric Emissions Inventory is funded by the UK Department for Environment, Food & Rural Affairs and the Department for Business, Energy & Industrial Strategy and is contracted to a consortium led by Ricardo Energy & Environment. 98 UK Centre for Ecology & Hydrology

UK NIR 2023 (Issue 1) Ricardo Energy & Environment Page 598 Person Technical work area and responsibility Anthony, Steven99 Sector expert for Sheep and Grasslands and Senior Analyst for the Agriculture SMART inventory model. Author of sector text. Broomfield, Mark Sector expert for solid waste disposal on land. Buys, Gwen98 UKCEH project manager for the LULUCF inventory team. Data and QA/QC manager for LULUCF and KP-LULUCF sectors. Compilation of Sector 4 of the CRF. Carnell, Ed98 Agriculture sector expert, including pre-processing of June Agricultural Census data, derivation of RFT dataset and high- definition mapping of Agriculture sector estimates. Clilverd, Hannah98 LULUCF contributing author for Cpt 6 and Annex 3.4. Contributor to compilation of sector 4. Dragosits, Ulli98 Agriculture sector expert, lead for pre-processing of June Agricultural Census data, derivation of RFT dataset and for high-definition mapping of Agriculture sector estimates. Gibbs, Mark100 Compilation of rail emissions estimates and text for this sector.
Gilhespy, Sarah97 Inventory compilation for Dairy, Pig, Poultry, Other Livestock sectors. Contributions to agriculture sector NIR text. Glendining, Margaret97 Contributions to agriculture inventory compilation and text Gluckman, Ray101 Author of the section on f-gases in Cpt 4. Gorji, Sam Author of MS1, MS19, Source Categories 2A1, 2A2, 2A3, 2B2, Hampshire, Kathryn100 QA/QC of OTs and CDs inventory compilation and NIR text Henshall, Paul102 CARBINE modelling for LULUCF inventory for 4A Forestry, 4G Harvested Wood Products and KP, contributions to text for sections in Cpt chapter 6, Cpt 11 and Annex 3.4. Hobson, Melanie100 Compilation of rail emissions estimates and text for this sector Kelsall, Alex Author of MS2, MS18, Source Categories 2B6, 2C3, 2G2A, 2G2B, 2G2E, and Uncertainties Annex. King, Katie100 QA/QC of OTs and CDs inventory compilation and NIR text Lambert, Neil BEIS GHGI contract manager. NIR review and author of UK Levy, Peter98 Lead on the land-use change methodological improvement in Malcolm, Heath98 Contribution to LULUCF QA/QC. Manning, Alistair103 Verification of the UK greenhouse gas inventory (Annex 6) Matthews, Robert3 CARBINE modelling for LULUCF inventory for 4A Forestry, 4G Harvested Wood Products and KP, contributions to text sections in Cpt chapter 6, Cpt 11 and Annex 3.4 Milne, Alice97 Agriculture sector uncertainties lead. 99 ADAS Consulting

UK NIR 2023 (Issue 1) Ricardo Energy & Environment Page 599 Person Technical work area and responsibility Misselbrook, Tom97 UK Agriculture SMART inventory technical lead and project manager. Sector expert for Dairy, Pig, Poultry, Other Livestock. Contributions to agriculture inventory compilation and text. Murrells, Tim Technical Director of NAEI Programme. Transport sector Nickerson, Rachel98 Contributor to compilation of LULUCF sector 4. O'Doherty, Simon103 Verification of the UK greenhouse gas inventory (Annex 6) Pearson, Ben Database manager; compilation support. Pitt, Joe103 Verification of the UK greenhouse gas inventory (Annex 6) Quinn, Paul Author of MS 4, Source Categories 2B1 and 2C1. Raine, Beth98 Contributor to the land-use change methodological improvement Redington, Alison103 Verification of the UK greenhouse gas inventory (Annex 6) Sandars, Daniel104 Cattle Tracing System data lead analyst for the Agriculture SMART inventory and compiler for the Beef sector. Skirvin, Dave98 Agriculture SMART inventory model developer and code author. Stanley, Kieran105 Verification of the UK greenhouse gas inventory (Annex 6) Stewart, Robert Combustion expert. Szanto, Courtney100 Responsible for compilation of emission estimates for the OTs and CDs, and updating the OTs and CDs Annex tables. Thornton, Annie100 Compilation of rail emissions estimates and text for this sector. Tomlinson, Sam98 Contributor to the land-use change methodological improvement Walker, Charles Sector expert for aviation in the NAEI and author of NIR aviation Watterson, John Review of LULUCF chapters and Annex. Williams, Adrian104 Sector expert for Beef and Arable sectors in the Agriculture SMART inventory model. Author of sector text. Young, Dickon105 Verification of the UK greenhouse gas inventory (Annex 6) Young, Hannah98 Contributor to compilation of LULUCF sector 4. Black, Ross BEIS GHGI Statistics Lead Blake Lynsay Defra Head of Resources ad Waste Science Brown, Kathryn DNV QAQC technical lead Bruintjes, Rick Defra Agriculture sector lead, commissioning improvements for Esegbue, Onoriode BEIS GHGI Science Lead Forrest, Tom BEIS GHGI, Head Science Team Grainger, Mark DNV QAQC project manager Spadavecchia, Luke Review of the Agriculture chapter and annex. UK NIR 2023 (Issue 1) Ricardo Energy & Environment Page 600 Person Technical work area and responsibility Review of the draft versions of the NIR; feedback on inventory improvements; scrutiny of GHGI updates. Richardson, Joe NAEI compilation, GIS expert. Rose, Jake BEIS GHGI statistician Saxby, Jennifer BEIS GHGI international reporting and verification Waite, Christopher BEIS GHGI statistician Organisation Summary of Data Provided DESNZ Energy statistics (DUKES) including fuel activity, NCVs and GCVs; Oil and gas production; upstream oil and gas emissions (EEMS). Defra Solid waste disposal / fate statistics; Waste-water treatment activity data; Agricultural survey data, activity statistics (livestock, crops). Rail activity and emission estimates (REM); OGA Petroleum Production Reporting System data, oil and gas production per field, throughput per terminal; gas density and NCV per field Wells Operations Notification System, wellbore database on number of wells drilled and their status (e.g. suspended, abandoned). ONS PRODCOM statistics (industrial production data); Economic activity statistics (GDP, GVA); Industrial activity and emissions data (EU ETS); Industrial emissions data from IPPC/EPR regulation; Waste management and disposal statistics, including incineration data, UKPIA Refinery emissions data by source; Oil products characteristics (RVP, sulphur content) Mineral processing activity and emissions data; fuel quality data; National Grid Gas National Transmission System (NTS) operator, providing gas leakage and natural gas compositional data for the NTS. Gas Distribution Network operators, each Natural gas compositional analysis provided annually per Local Distribution Zone (LDZ); Gas leakage estimates from the UK distribution network per ISSB Iron and steel production statistics, by technology; Iron and steel fuel use, by fuel, by source; Iron and steel facility emissions by source for integrated works; Fuel quality data and other raw material parameters; Rio Tinto Alcan Aluminium production data, facility emissions data, supporting data on plant British Glass Glass production data. Facility emissions data by source, aligned to specific inventory reporting requirements for the chemicals and petrochemicals sectors. UK NIR 2023 (Issue 1) Ricardo Energy & Environment Page 601 Organisation Summary of Data Provided