Book size: 80000; First Pay: 2026-09-07; Registration: SEC Registered; Comments: GBP6.25bn 11yr Green cpn 4.625% at 99.221, yld 4.7167%. Stread: UKT+10.75. UKT 4 1/4% Treasury Stock 7-Mar-2036 (GB0032452392) Ref Spot @ 97.15% / 4.6092% Hedge at 97.150% (HR 109%). LEI: ECTRVYYCEF89VWYS6K36;

Reoffer: 11yr: UKT+10.75bp / 99.221 / 4.7167% Benchmark: 11yr: UKT 4.25% 7-Mar-36 @ 97.15% / 4.6092% / HR 109% Final Books: Final orderbook closed in excess of £80bn (including JLM interest of £6bn) Launched: 11yr: £6.25bn @ UKT+10.75bp - Orderbook (pre-rec) in excess of £79bn (incl. £6bn JLM) IPTs: 11yr: UKT+10.75/+11.25bp Issuer: United Kingdom LEI: ECTRVYYCEF89VWYS6K36 Rating: Aa3/AA/AA- (Moody's/S&P/Fitch) (stab, stab, stab) Format: Reg S, Registered Form, Fixed Rate Notes Size: £6.25bn Maturity: 7-Mar-37 Expected Settlement Date: 11-Mar-26 (T+1) Coupon: 4 5/8% SA, ACT/ACT, short 1st to 7-Sep-26 Benchmark: UKT 4 1/4% Treasury Stock 7-Mar-36 (GB0032452392) Ref Spot @ 97.15% / 4.6092% Hedge at 97.150% (HR 109%) Spread: UKT 4 1/4% Treasury Stock 7-Mar-36 +10.75bp Reoffer: 99.221% / 4.7167% Denoms: £0.01 Listing: FCA Official List / London Stock Exchange (Main Market) Law: English Law Docs: Issuer's Stand-Alone Documentation Target Market: UK MiFIR Eligible counterparties, Professional clients, and retail clients only (all distribution channels) MIFID II Eligible counterparties and professional clients (all distribution channels) ISIN: GB00BVP99905 Joint Leads: Barclays, BNP Paribas, Citi, HSBC (B&D/DM), J.P. Morgan, and NatWest Timing: TOE 11.35 UK, FTT immediately Use of Proceeds: Proceeds allocated towards Eligible Green Expenditures in accordance with the UK Government Green Financing Framework

Proceeds allocated towards Eligible Green Expenditures in accordance with the UK Government Green Financing Framework