Centrica Results Presentation Deck

Driving change in British Gas Services & Solutions • Disappointing 2021 ● performance primarily driven by: - Covid-19 - Industrial action - Supply chain issues Temporary market issues likely to continue into 2022 - Including UK labour market shortages 22 Centrica plc Preliminary Results 2021 Engineer absence rates 12% 10% 8% 6% 4% 2% 0% ● 2014 2015 2016 2017 2018 Furlough 2019 Q1 2020 Q2 2020 Q3 2020 Oct-20 Nov-20 Dec-20 Jan-21 Feb-21 Mar-21 Covid -19 Apr-21 • ~0.5m working hours lost: May-21 Jun-21 Jul-21 V Absence rates more than doubled during Covid-19 increased contractor costs to provide cover - Letting customers down Aug-21 Sep-21 Oct-21 Nov-21 Dec-21 Jan-22 Rescheduled appointments 50% 40% 30% 20% 10% 0% 1.5% 1.0% Customer complaints 0.5% 2020 0.0% 2021 Jan Feb Mar Apr May Jun centrica Jul Aug Sep Oct Nov Dec 2021 2020 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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