| Transactions in own shares Centrica plc 19 June 2025 Centrica plc announces that it purchased on 18 June 2025 (through Goldman Sachs International) 3,363,123 Centrica plc ordinary shares of 6 14/81 pence each at a price of 167.1500 pence per share. The purchased shares will be held as treasury shares. Such purchase was effected pursuant to the first tranche of the extension of the Company's 2025 buyback programme announced on 20 February 2025 and in accordance with the non-discretionary share repurchase agreement entered into with Goldman Sachs International as announced on 08 May 2025. Since 16 June 2025, Centrica has purchased 6,701,555 ordinary shares at a cost (excluding dealing and associated costs) of £11,212,823.60. Following the above purchase, Centrica plc holds 442,890,486 ordinary shares in treasury, and has 4,893,216,728 ordinary shares in issue (excluding treasury shares). In accordance with Article 5(1)(b) of Regulation (EU) No 596/2014 (the Market Abuse Regulation)(as in force in the UK and as amended by the Market Abuse (Amendment) (EU Exit) Regulations 2019), detailed information about the individual purchases made by Goldman Sachs International is set out below. Transaction details: Centrica plc ordinary shares of 6 14/81 pence each | 