Transaction profile Issuer Elstree 2025-2 1ST PLC Collateral type RMBS buy-to-let and owner-occupied Domicile of assets U.K. Seller West One Secured Loans Ltd. Servicer West One Secured Loans Ltd. Counterparties National Westminster Bank PLC, Citibank N.A., London Branch, and Lloyds Bank Corporate Markets PLC Capital structure Class Rating* Amount (mil. £) Credit enhancement (%) Coupon (%) Step-up coupon (%) Step-up date Legal final maturity A AAA (sf) 296.297 10.05 Compounded daily SONIA + 0.74 Compounded daily SONIA + 1.11 October 2029 October 2065 B-Dfrd AA (sf) 15.638 5.30 Compounded daily SONIA + 0.95 Compounded daily SONIA + 1.425 October 2029 October 2065 C-Dfrd AA- (sf) 8.231 2.80 Compounded daily SONIA + 1.30 Compounded daily SONIA + 1.95 October 2029 October
