2021 Full Year Report (including Appendix 4E) Where all good change starts Kurt Logan Instrumentation & Electrical Technician Integrated Gas Appendix 4E Appendix 4E Origin Energy Limited and its Controlled Entities Results for announcement to the market 30 June 2021 2021 2020 Total Group Revenue ($m) down 8% to 12,097 13,157 Profit for the period attributable to members of the parent entity ($m) nm1 (2,291) 83 Net tangible asset backing per ordinary security2 down 26% to $2.86 $3.86 Franked amount Amount per security Dividends per security at 30 per cent tax Final dividend determined subsequent to 30 June 2021 7.5 cents nil Previous corresponding period (30 June 2020) 10 cents nil Record date for determining entitlements to the dividend 8 September 2021 Dividend payment date 1 October 2021 1 Not meaningful. 2 The calculation of net tangible assets excludes lease related right-of-use assets of $404 million (2020: $467 million), categorised under Property Plant & Equipment on balance sheet, as these are not considered tangible in nature. Brief explanation of any of the figures reported above or other item(s) of importance not previously released to the market. Refer to the attached Directors' Report and Operating and Financial review for explanations. Discussion and Analysis of the results for the year ended 30 June 2021. Refer to the attached Directors' Report and Operating and Financial Review for commentary Contents 1 Contents About Origin 2 Where We Operate 3 Operating and Financial Review 4 Directors’ Report 42 Remuneration Report 49 Lead Auditor’s Independence Declaration 73 Financial Statements 74 Annual Reserves Report 139 Glossary and Interpretation 143 2 Origin Energy Full Year Report About Origin Leading integrated 4.3 million 5,000 energy company customer accounts employees Listed on the Australian Securities Electricity, gas, LPG and Inclusivity in the workplace; Exchange in 2000 broadband customers across leading parental support Australia and the Pacific Climate transition embedded Powering 37.5% interest in Australia in our strategy Australia Pacific LNG Australia's first approved 7,500 MW generation portfolio, Exporting to Asia; supplies science-based emissions targets including 1,400 MW owned ~30% of Australian east coast and contracted renewables gas demand and storage Supporting Driving future Exploration and Australian communities energy innovation development The Origin Energy Foundation has 20% interest in Octopus Energy, Positions in three large prospective contributed more than $32 million investing in new technology, onshore basins: the Beetaloo, over 11 years start-ups and future fuels Canning and Cooper-Eromanga Bringing good energy to everything we say and do. Where We Operate 3 Where We Operate Beetaloo BeetalooBasin Browse Basin BrowseBasin Beetaloo Basin Basin Browse Beetaloo Basin Basin Browse Basin Canning CanningBasin Basin Canning Basin Canning 637k Gladstone Basin 637k GladstoneLNG Export 178k LNG Export 178k 637k Gladstone Bowen/ LNG Export 178k Bowen/Surat 246k Cooper 637k Brisbane Gladstone Cooper Suratbasins 246k Eromanga Bowen/ Brisbane LNG Export Eromanga basins 215k Basin 178k Surat 215k 246k Basin Cooper Brisbane Eromanga basinsBowen/ 215k Basin Surat 246k Cooper 1,175k Brisbane Eromanga1,175k basins 215k Basin 350k 350k1,175k 14k 350k 14k 1,175k Sydney 14k 350k Sydney Sydney 14k Adelaide Adelaide Sydney Adelaide Melbourne Melbourne Adelaide Melbourne 566k 566k 492k Melbourne492k 566k 492k566k South East Queensland South East Queensland Hobart 492k Hobart South East QueenslandGladstone Hobart South East QueenslandGladstone Gladstone Hobart Bowen/ Gladstone BSuorwaten/ Subasinsrat Bowen/ basinsSurat basinsBowen/ Surat Exploration & production acreage Generation basins Exploration & production acreage Generation Origin/JV upstream acreage Gas Brisbane Origin/JVExplora tionups t&ream production acreage acreage GasGeneration Brisbane APLNG upstream acreage Pumped hydro APLNGOrigin/JVExplo upsrtareamtion up &acs ptrreagereamoduction acreage acreagePumpedGasGene hydrartiono Brisbane Production facility Solar (contracted) ProduAPLNGctionOrigin/JV facility upstream ups tacreamreage acreageSolar (PumpedconGastract ed)hydro Brisbane APLNG pipeline Wind (contracted) APLNGPr odupipelineAPLNGction upfacilitystream acreage Wind (SolaconPumpedrt r(acoctned)tra hycted)dro Coal APLNGProdu pipelinection facility Coal WindSola (cor (ncotranctrtaed)cted) Wind (contracted, not complete) APLNG pipeline Wind (contracted,CoalWind (co notntra complete)cted) WindCoal (contracted, not complete) LPG seaboard terminal LPG seaboaWindrd t erminal(contracted, not complete) LPG seaboard terminal Pacific countries LPG Electricity customer accounts Pacific countries LPG ElectricityLPG cus tseaboaomer accourd terminalnts Natural gas customer accounts Pacific countriesRabaul LPG NaturalEle gasctricit cusyt omecustrome accour accounts nts Rabaul Natural gas customer accounts PacificLae countries LPG Electricity customer accounts Lae Rabaul Natural gas customer accounts Port Moresby Lae Rabaul Port Moresby Honiara Lae Honiara Port Moresby Apia Honiara Apia Port Moresby Labasa Santo Rarotonga Honiara Labasa PagoApia Pago Santo Pago Pago Rarotonga Lautoka Labasa Port VilaSanto Lautoka PagoApia Pago Rarotonga Port Vila Suva LautokSua va Labasa PortSan Vilato Pago Pago Rarotonga Lautoka Suva Port Vila Suva 4 Origin Energy Full Year Report Operating and Financial Review For the full year ended 30 June 2021 This report forms part of the Directors’ Report. 1 Highlights Our purpose underpins everything we do: Getting energy right for our customers, communities and planet Getting energy right for our customers Our customers are at the heart of everything we do. We are committed Customers to providing ‘good energy’ that is reliable, affordable and sustainable. In FY2021, we: Strategic NPS • continued supporting residential and small business customers in financial distress due to impacts of the COVID-19 pandemic, including protection from disconnection and default listing; • provided relief to most of our electricity customers in New South Wales, Queensland, South Australia and Victoria, with lower electricity prices; • supported customers experiencing financial hardship, with more than 6 35,300 payment plans successfully completed through our Power On hardship program; 2 • improved our Strategic Net Promoter Score (NPS) by four points to +6 as at 30 June 2021; FY20 FY21 • successfully migrated more than 250,000 customer accounts to the Kraken platform; • delivered over $1 million in rewards to the more than 56,000 Origin Spike customers; • increased the number of green energy customers from 117,000 to 260,000 with the launch of Origin's new Origin Go product, which enables customers 35,300 to benefit from 25 per cent GreenPower and 100 per cent Green Gas at no additional cost; and Customer payment plans • APLNG continues to supply ~30 per cent of domestic east coast market. successfully completed through our Power On hardship program Getting energy right for our communities We respect the rights and interests of the communities in which we operate, Communities and consult with them to understand and manage our impact. We spent $270 million directly and indirectly with regional suppliers, or 18 per cent of our total spend, up from 14 per cent in FY2020. Our Stretch Reconciliation Action Plan (Stretch RAP) includes a commitment >$3M to increase the participation of Aboriginal and Torres Strait Islander businesses in Origin’s supply chain. In FY2021, our spend with Indigenous suppliers was Contributed to the community $10 million, exceeding our Stretch RAP target of $6.5 million and FY2020 by the Origin Energy Foundation performance of $5.3 million. We continue to work closely with the Northern Land Council to engage with and maintain the support of our Native Title holders in the Beetaloo Basin. During the year, some of our Native Title holders visited the Kyalla well site near Daly Waters during fracking operations. We also undertook sacred site Regional procurement spend clearance and avoidance surveys for future work, and participated in meetings as a % of total spend on country about our upcoming work program. Through grants, 8,400 hours of employee volunteering, and our workplace giving program, the Origin Energy Foundation contributed over $3 million to the community in FY2021. This included a $100,000 grant to the Grattan Institute to research the impacts of home-schooling, due to COVID-19, on disadvantaged students. 18% 14% For the second year running, Origin Energy was named Australia’s Best Workplace to Give Back, topping GoodCompany’s list of the Top 40 Best Workplaces to Give Back 2020. Origin and its employees donated more than $690,000 to over 250 Australia not-for-profit organisations in FY2021. FY20 FY21 Operating and Financial Review 5 Getting energy right for the planet Planet We put in place Australia's first approved science-based emissions reduction targets in 2017, committing to lowering Scope 1 and 2 emissions by 50 per cent Greenhouse gas emissions and Scope 3 emissions by 25 per cent by 2032. We aim to achieve net zero Scope 1 and 2 emissions by 2050. Work is progressing on updated emissions (equity basis, mt CO2-e) reduction targets in line with a 1.5°C pathway. 17.817.8 16.416.4 We have announced our intention to put our climate reporting to a non- binding, advisory vote of shareholders at our 2022 Annual General Meeting. During FY2021, we: • reduced our Scope 1 and 2 equity emissions by 1.4 million tonnes,