Centrica Results Presentation Deck

Robust financial performance in 2021 Year ended 31 December (£m) From continuing operations: Adjusted revenue Adjusted gross margin Adjusted operating costs Adjusted operating profit¹ Net finance cost Group tax charge (incl. JV tax) Group effective tax rate Adjusted earnings Adjusted EPS Adjusted EPS excluding Spirit Energy assets held for sale 2020 14,949 2,333 (1,909) 447 (215) (67) 26% 165 2.8p 2021 18,300 2,870 (1,819) 948 (187) (433) 59% 237 4.1p 2.8p 1. Includes share of profits/(losses) from JVs and associates, net of interest and taxation, of £23m in 2020 and £(103)m in 2021. 7 Centrica plc Preliminary Results 2021 A 22% 23% (5%) 112% (13%) 546% 33ppt 44% 46% centrica

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