Growth through the energy transition

1 Aggreko plc Annual Report and Accounts 2020 Aggreko plc Annual Report and Accounts 2020 Growth through the energy transitionStrategic report01 Growth through the energy transition02 Aggreko at a glance04 Chairman s statement05 CEO Chris Weston s view06 Meeting the challenge of the energy transition08 Our business model10 Our strategic priorities24 Group performance review30 Financial review35 Principal risks and uncertainties42 Sustainability46 Our stakeholders and section 172 statementGovernance52 Chairman s introduction54 Our Board56 2020 Board priorities and COVID-19 response58 Purpose statement & Our Culture and Values59 Ethics & Corporate Responsibility report62 Nomination Committee report64 Audit Committee report68 Remuneration Committee report93 Statutory disclosures97 Statement of Directors responsibilitiesFinancial statements98 Independent auditor s report106 Group income statement106 Group statement of comprehensive income107 Group balance sheet108 Group cash flow statement109 Reconciliation of net cash flow to movement in net debt110 Group statement of changes in

2 Equity112 Notes to the Group accounts152 Company balance sheet153 Company statement of comprehensive income154 Company statement of changes in equity155 Notes to the Company accounts159 Definition and calculation of non-GAAP measures161 Shareholder informationContentsI would like to recognise and thank everyone at Aggreko for the great job they have done in responding to the COVID-19 pandemic, adapting and continuing to serve our customers safely and reliably through these challenging times. We can, and will, emerge stronger, and we are excited about the opportunity in front of us to grow through the energy transition , while continuing to power progress for our customers wherever they are in the WestonChief Executive OfficerRevenue 1,365m2019: 1,613mPre-exceptional operating profit 136m2019: 241mPre-exceptional diluted : profit before tax 102m2019: 199mPre-exceptional return on capital employed17.

3 5%2019: per : Post-exceptional operating loss (39)m2019: 241mPost-exceptional loss before tax (73)m2019: 199mPost-exceptional diluted EPS( )p2019: items are explained in Note 7 to the Accounts 1 ROCE calculation is detailed on page 1592 Interim dividend onlyPerformance highlightsLearn more about us at through the energy transitionIn order to grow while continuing to meet our customers changing needs, we will evolve the way we do enable that, we have refreshed our strategy, with clear more on page 07 Read more on page 12 Read more on page 20 Our strategic priorities enable us to pursue these aims.

4 Read more on page 12 Read more on page 16 Read more on page 20 Read more on page 22 Customer focusCapital efficiencyTechnology investment Developing competitive configurable products Smarter use of connected systems and data analytics Integrating renewable and storage technology Being particular about the sectors we target Offering specialist solutions Being simple to do business with Being mobile and modular Getting the very maximum out of our assets Striving for the most competitive cost baseExpert people Living Always Orange Nurturing our full potential Staying safe and professional at all times1.

5 To become a net-zero business by 2050 or sooner With commitments for the next decade: Reduce diesel fuel used in customer solutions by at least 50% Reduce local air quality emissions of our solutions by 50% Achieve net-zero emissions across our business operations2. To maintain our target of delivering a mid-teens ROCEF ocusing on profitable Growth : Delivering revenue Growth of ~5 10% per year over the medium term Driving mid-term margin expansion into the high teens 3. To retain our relentless focus on capital employed: Disciplined capital investment in the range 250 350m per year supporting the transition Maintaining our focus on improving utilisation Continuous improvement in working capital performance 01 Strategic reportGovernanceFinancial statementsShareholder informationAggreko plc Annual Report and Accounts 2020 The world-leading provider of mobile modular power, temperature control and energy servicesWe are working at the forefront of a rapidly changing energy market.

6 Our focus is on solving our customers challenges to provide cost-effective, flexible and greener solutions across the at a glanceOur global reach6,008 MWaverage power on hire119 MWof hybrid projects on hire80countries6,000+ permanent employees182sales and service centres697 MWaverage temperature control on hireRevenue 693m 53% of Group revenue1. building services & construction 21% 2. Petrochemical & refining 17% 3. Utilities 13% 4. Oil & gas 11% 5. Manufacturing 7% 6. Mining 7% 7. Events 4% 8. Other 20% Key sectors % of revenuePre-exceptional operating profit 102m75% of Group operating profitPost-exceptional operating profit 77mWe provide power, heating and cooling in developed markets, focused on seven key sectors.

7 Our customer requirements tend to revolve around smaller, short-term but often complex projects, and key Solutions02 Aggreko plc Annual Report and Accounts 2020 Attractive, enduring markets targeting 5 10% mid-term revenue Growth Read more about our markets on page 06 Focus on key sectors where our specialisation differentiates us Read more about our business model on page 08 Proven technology expertise with a growing renewable and storage integration capability Read more about our technology strategy on page 16 Well positioned for profitable Growth with a clear path to mid-teens returns Read more about our capital efficiency on page 20 Progressive dividend within a balanced capital allocation framework Read more about our capital allocation

8 On page 09We power progress by delivering energy anywhereWe are united by our ambition to power progress, as the world grows more concerned with how its energy is we can lead our customers through the energy transition and help them achieve their carbon reduction targets while remaining true to our values and being Always Orange then we will power progress by delivering energy investment caseIndustrial (PSI)Comprises medium-term projects, as well as shorter-term rental contracts for industrial customers. Revenue 362m 27% of Group revenue1. Oil & gas 39%2. Mining 16% 3. building services & construction 10% 4.

9 Events 7% 5. Manufacturing 8% 6. Utilities 6% 7. Petrochemical & refining 5%8. Other 9% Key sectors % of revenueWe provide power, heating and cooling focused on seven key sectors across emerging markets for customers with generally longer-term power Solutions Pre-exceptional operating profit 18m13% of Group operating profitPost-exceptional operating loss (22)mSee page 24 for financial performanceUtility (PSU) Longer-term projects providing power to national utility * 265m 20% of Group revenuePre-exceptional operating profit 16m12% of Group operating profitPost-exceptional operating loss (94)m100% of revenue is derived from national utility customers.

10 *PSU revenue excludes pass- through fuelOur purpose03 Strategic reportGovernanceFinancial statementsShareholder informationAggreko plc Annual Report and Accounts 2020 Performance and the COVID-19 pandemicAs you look at last year s performance, you will see the impact of COVID-19, but what you will not be able to see is the valiant way in which our people responded. These results cannot do justice to the resilience of our business or the adaptability of our people, as well as the strengthening of Aggreko s foundations over the last five years. Profit before tax was down 45% on an underlying basis and our return on capital employed (ROCE) was (the calculation is on page 159).