REG — LondonStockExGroup — Transaction in Own Shares

For best results when printing this announcement, please click on link below: RNS Number: 5782V London Stock Exchange Group PLC 21 September 2026 London Stock Exchange Group plc TRANSACTIONS IN OWN SHARES 21 September 2026 London Stock Exchange Group plc (LSEG) announces that it has purchased the following number of its ordinary shares of 6(79/86) pence each on the London Stock Exchange from BNP Paribas SA (BNP Paribas) as part of its share buyback programme, as announced on 30 July 2026: Date of purchase Number of ordinary shares purchased Highest price paid per share (GBp) Lowest price paid per share (GBp) Volume weighted average price paid per share (GBp) 14 September 2026 117,180 8,624.00 8,350.00 8,533.55 15 September 2026 120,660 8,446.00 8,222.00 8,287.54 16 September 2026 122,660 8,204.00 8,086.00 8,150.28 17 September 2026 122,180 8,246.00 8,122.00 8,184.23 18 September 2026 122,100 8,248.00 8,136.00 8,198.17 LSEG intends to cancel all of the purchased shares. Following the cancellation of the repurchased shares, LSEG has 483,427,319 ordinary shares of 6(79/86).